Merge remote-tracking branch 'upstream/master' into port_matchings

70 files changed, 2775 insertions, 2713 deletions

diff --git a/src/battle_anim.c b/src/battle_anim.c
index 41f44a42c..0b011b0f3 100644
--- a/src/battle_anim.c
+++ b/src/battle_anim.c
@@ -2259,7 +2259,7 @@ void MoveBattlerSpriteToBG(u8 battlerId, bool8 toBG_2)
 
         RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(8)), 0x2000, DMA3_32BIT);
         RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(28)), 0x1000, DMA3_32BIT);
-        sub_80752A0(&animBg);
+        GetBattleAnimBg1Data(&animBg);
         CpuFill16(toBG_2, animBg.bgTiles, 0x1000);
         CpuFill16(toBG_2, animBg.bgTilemap, 0x800);
 
@@ -2278,13 +2278,14 @@ void MoveBattlerSpriteToBG(u8 battlerId, bool8 toBG_2)
         LoadPalette(&gPlttBufferUnfaded[0x100 + battlerId * 16], animBg.paletteId * 16, 0x20);
         CpuCopy32(&gPlttBufferUnfaded[0x100 + battlerId * 16], (void*)(BG_PLTT + animBg.paletteId * 32), 0x20);
 
-        sub_80BCEF4(1, 0, 0, GetBattlerPosition(battlerId), animBg.paletteId, animBg.bgTiles, animBg.bgTilemap, animBg.tilesOffset);
+        CopyBattlerSpriteToBg(1, 0, 0, GetBattlerPosition(battlerId), animBg.paletteId, animBg.bgTiles,
+                              animBg.bgTilemap, animBg.tilesOffset);
     }
     else
     {
         RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(12)), 0x2000, DMA3_32BIT);
         RequestDma3Fill(0, (void*)(BG_SCREEN_ADDR(30)), 0x1000, DMA3_32BIT);
-        sub_80752C8(&animBg, 2);
+        GetBattleAnimBgData(&animBg, 2);
         CpuFill16(0, animBg.bgTiles + 0x1000, 0x1000);
         CpuFill16(0, animBg.bgTilemap + 0x400, 0x800);
         SetAnimBgAttribute(2, BG_ANIM_PRIORITY, 2);
@@ -2302,7 +2303,8 @@ void MoveBattlerSpriteToBG(u8 battlerId, bool8 toBG_2)
         LoadPalette(&gPlttBufferUnfaded[0x100 + battlerId * 16], 0x90, 0x20);
         CpuCopy32(&gPlttBufferUnfaded[0x100 + battlerId * 16], (void*)(BG_PLTT + 0x120), 0x20);
 
-        sub_80BCEF4(2, 0, 0, GetBattlerPosition(battlerId), animBg.paletteId, animBg.bgTiles + 0x1000, animBg.bgTilemap + 0x400, animBg.tilesOffset);
+        CopyBattlerSpriteToBg(2, 0, 0, GetBattlerPosition(battlerId), animBg.paletteId, animBg.bgTiles + 0x1000,
+                              animBg.bgTilemap + 0x400, animBg.tilesOffset);
     }
 }
 
@@ -2326,20 +2328,20 @@ void sub_80730C0(u16 a, u16 *b, s32 c, u8 d)
     }
 }
 
-void sub_8073128(bool8 to_BG2)
+void ResetBattleAnimBg(bool8 to_BG2)
 {
     struct BattleAnimBgData animBg;
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
 
     if (!to_BG2)
     {
-        sub_8075358(1);
+        InitBattleAnimBg(1);
         gBattle_BG1_X = 0;
         gBattle_BG1_Y = 0;
     }
     else
     {
-        sub_8075358(2);
+        InitBattleAnimBg(2);
         gBattle_BG2_X = 0;
         gBattle_BG2_Y = 0;
     }
@@ -2353,7 +2355,7 @@ static void task_pA_ma0A_obj_to_bg_pal(u8 taskId)
 
     spriteId = gTasks[taskId].data[0];
     palIndex = gTasks[taskId].data[6];
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     x = gTasks[taskId].data[1] - (gSprites[spriteId].pos1.x + gSprites[spriteId].pos2.x);
     y = gTasks[taskId].data[2] - (gSprites[spriteId].pos1.y + gSprites[spriteId].pos2.y);
 
@@ -2429,13 +2431,13 @@ static void sub_807331C(u8 taskId)
 
         if (sMonAnimTaskIdArray[0] != 0xFF)
         {
-            sub_8073128(toBG_2);
+            ResetBattleAnimBg(toBG_2);
             DestroyTask(sMonAnimTaskIdArray[0]);
             sMonAnimTaskIdArray[0] = 0xFF;
         }
         if (gTasks[taskId].data[0] > 1)
         {
-            sub_8073128(toBG_2 ^ 1);
+            ResetBattleAnimBg(toBG_2 ^ 1);
             DestroyTask(sMonAnimTaskIdArray[1]);
             sMonAnimTaskIdArray[1] = 0xFF;
         }
@@ -2541,10 +2543,10 @@ static void sub_8073558(u8 taskId)
             toBG_2 = TRUE;
 
         if (IsBattlerSpriteVisible(battlerId))
-            sub_8073128(toBG_2);
+            ResetBattleAnimBg(toBG_2);
         
         if (gTasks[taskId].data[0] > 1 && IsBattlerSpriteVisible(battlerId ^ BIT_FLANK))
-            sub_8073128(toBG_2 ^ 1);
+            ResetBattleAnimBg(toBG_2 ^ 1);
 
         DestroyTask(taskId);
     }
@@ -3303,9 +3305,9 @@ static void ScriptCmd_doublebattle_2D(void)
                 gSprites[spriteId].oam.priority = 3;
 
             if (priority == 1)
-                sub_8073128(FALSE);
+                ResetBattleAnimBg(FALSE);
             else
-                sub_8073128(TRUE);
+                ResetBattleAnimBg(TRUE);
         }
     }
 }
diff --git a/src/battle_anim_effects_2.c b/src/battle_anim_effects_2.c
index ac4e9db30..dcffedb0e 100644
--- a/src/battle_anim_effects_2.c
+++ b/src/battle_anim_effects_2.c
@@ -1738,7 +1738,7 @@ void AnimCoinThrow(struct Sprite *sprite)
     sprite->data[0] = gBattleAnimArgs[4];
     sprite->data[2] = r6;
     sprite->data[4] = r7;
-    sprite->callback = sub_80756A4;
+    sprite->callback = BattleAnim_InitAndRunLinearTranslationWithDuration;
     StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
 }
 
@@ -2992,12 +2992,12 @@ void AnimTask_LoadMusicNotesPals(u8 taskId)
     for (i = 1; i < 3; i++)
         paletteNums[i] = AllocSpritePalette(ANIM_SPRITES_START - i);
 
-    gMonSpritesGfxPtr->field_17C = AllocZeroed(0x2000);
-    LZDecompressWram(gBattleAnimSpritePal_MusicNotes2, gMonSpritesGfxPtr->field_17C);
+    gMonSpritesGfxPtr->multiUseBuffer = AllocZeroed(0x2000);
+    LZDecompressWram(gBattleAnimSpritePal_MusicNotes2, gMonSpritesGfxPtr->multiUseBuffer);
     for (i = 0; i < 3; i++)
-        LoadPalette(&gMonSpritesGfxPtr->field_17C[i * 32], (u16)((paletteNums[i] << 4) + 0x100), 32);
+        LoadPalette(&gMonSpritesGfxPtr->multiUseBuffer[i * 32], (u16)((paletteNums[i] << 4) + 0x100), 32);
 
-    FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_17C);
+    FREE_AND_SET_NULL(gMonSpritesGfxPtr->multiUseBuffer);
     DestroyAnimVisualTask(taskId);
 }
 
@@ -3232,7 +3232,7 @@ void AnimTask_HeartsBackground(u8 taskId)
     gBattle_BG1_Y = 0;
     SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
     SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     AnimLoadCompressedBgTilemap(animBg.bgId, gBattleAnimBg_AttractTilemap);
     AnimLoadCompressedBgGfx(animBg.bgId, gBattleAnimBg_AttractGfx, animBg.tilesOffset);
     LoadCompressedPalette(gBattleAnimBg_AttractPal, animBg.paletteId * 16, 32);
@@ -3282,8 +3282,8 @@ static void HeartsBackground_Step(u8 taskId)
         }
         break;
     case 3:
-        sub_80752A0(&animBg);
-        sub_8075358(animBg.bgId);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(animBg.bgId);
         gTasks[taskId].data[12]++;
         break;
     case 4:
@@ -3313,7 +3313,7 @@ void AnimTask_ScaryFace(u8 taskId)
     gBattle_BG1_Y = 0;
     SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
     SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     
     if (IsContest())
         LZDecompressVram(gBattleAnimBgTilemap_ScaryFaceContest, animBg.bgTilemap);
@@ -3370,9 +3370,9 @@ static void ScaryFace_Step(u8 taskId)
         }
         break;
     case 3:
-        sub_80752A0(&animBg);
-        sub_8075358(1);
-        sub_8075358(2);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(1);
+        InitBattleAnimBg(2);
         gTasks[taskId].data[12]++;
         // fall through
     case 4:
diff --git a/src/battle_anim_effects_3.c b/src/battle_anim_effects_3.c
index 52fc64870..ab12c02b4 100644
--- a/src/battle_anim_effects_3.c
+++ b/src/battle_anim_effects_3.c
@@ -2216,7 +2216,7 @@ void AnimTask_TransformMon(u8 taskId)
         break;
     case 2:
         HandleSpeciesGfxDataChange(gBattleAnimAttacker, gBattleAnimTarget, gTasks[taskId].data[10]);
-        sub_8075300(&animBg, gBattleAnimAttacker);
+        GetBattleAnimBgDataByPriorityRank(&animBg, gBattleAnimAttacker);
         if (IsContest())
             position = 0;
         else
@@ -2287,7 +2287,7 @@ void AnimTask_MorningSunLightBeam(u8 taskId)
         if (!IsContest())
             SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 1);
 
-        sub_80752A0(&animBg);
+        GetBattleAnimBg1Data(&animBg);
         AnimLoadCompressedBgTilemap(animBg.bgId, gBattleAnim_MorningSunTilemap);
         AnimLoadCompressedBgGfx(animBg.bgId, gBattleAnim_MorningSunGfx, animBg.tilesOffset);
         LoadCompressedPalette(gBattleAnim_MorningSunPal, animBg.paletteId * 16, 32);
@@ -2348,8 +2348,8 @@ void AnimTask_MorningSunLightBeam(u8 taskId)
         }
         break;
     case 4:
-        sub_80752A0(&animBg);
-        sub_8075358(animBg.bgId);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(animBg.bgId);
         if (!IsContest())
             SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 0);
 
@@ -2467,7 +2467,7 @@ void AnimTask_DoomDesireLightBeam(u8 taskId)
         if (!IsContest())
             SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 1);
         
-        sub_80752A0(&animBg);
+        GetBattleAnimBg1Data(&animBg);
         AnimLoadCompressedBgTilemap(animBg.bgId, gBattleAnim_MorningSunTilemap);
         AnimLoadCompressedBgGfx(animBg.bgId, gBattleAnim_MorningSunGfx, animBg.tilesOffset);
         LoadCompressedPalette(gBattleAnim_MorningSunPal, animBg.paletteId * 16, 32);
@@ -2540,8 +2540,8 @@ void AnimTask_DoomDesireLightBeam(u8 taskId)
             gTasks[taskId].data[0] = 1;
         break;
     case 5:
-        sub_80752A0(&animBg);
-        sub_8075358(animBg.bgId);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(animBg.bgId);
         if (!IsContest())
             SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 0);
 
diff --git a/src/battle_anim_mons.c b/src/battle_anim_mons.c
index ee5d4017d..46f62a03c 100644
--- a/src/battle_anim_mons.c
+++ b/src/battle_anim_mons.c
@@ -19,9 +19,9 @@
 #define IS_DOUBLE_BATTLE() (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
 
 static u8 GetBattlerSpriteFinal_Y(u8 battlerId, u16 species, bool8 a3);
-static void sub_8075658(struct Sprite *sprite);
-static void sub_80757E8(struct Sprite *sprite);
-static bool8 sub_80758DC(void);
+static void PlayerThrowBall_RunLinearTranslation_ThenceSetCBtoStoredInData6(struct Sprite *sprite);
+static void SpriteCB_RunAnimFastLinearTranslation(struct Sprite *sprite);
+static bool8 Dummy_ReturnFalse(void);
 static void AnimThrowProjectile_Step(struct Sprite *sprite);
 static void sub_80760D0(u8 taskId);
 static void AnimTask_BlendMonInAndOutSetup(struct Task *task);
@@ -695,10 +695,10 @@ void SetAnimSpriteInitialXOffset(struct Sprite *sprite, s16 xOffset)
 
 void InitAnimArcTranslation(struct Sprite *sprite)
 {
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[3] = sprite->pos1.y;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_InitY = sprite->pos1.y;
     InitAnimLinearTranslation(sprite);
-    sprite->data[6] = 0x8000 / sprite->data[0];
+    sprite->data[6] = 0x8000 / sprite->sTransl_Speed;
     sprite->data[7] = 0;
 }
 
@@ -707,7 +707,7 @@ bool8 TranslateAnimHorizontalArc(struct Sprite *sprite)
     if (AnimTranslateLinear(sprite))
         return TRUE;
     sprite->data[7] += sprite->data[6];
-    sprite->pos2.y += Sin((u8)(sprite->data[7] >> 8), sprite->data[5]);
+    sprite->pos2.y += Sin((u8)(sprite->data[7] >> 8), sprite->sTransl_ArcAmpl);
     return FALSE;
 }
 
@@ -716,7 +716,7 @@ bool8 TranslateAnimVerticalArc(struct Sprite *sprite)
     if (AnimTranslateLinear(sprite))
         return TRUE;
     sprite->data[7] += sprite->data[6];
-    sprite->pos2.x += Sin((u8)(sprite->data[7] >> 8), sprite->data[5]);
+    sprite->pos2.x += Sin((u8)(sprite->data[7] >> 8), sprite->sTransl_ArcAmpl);
     return FALSE;
 }
 
@@ -801,26 +801,26 @@ bool8 IsDoubleBattle(void)
     return IS_DOUBLE_BATTLE();
 }
 
-void sub_80752A0(struct BattleAnimBgData *animBgData)
+void GetBattleAnimBg1Data(struct BattleAnimBgData *animBgData)
 {
-    animBgData->bgTiles = gUnknown_2022BB8;
-    animBgData->bgTilemap = (u16 *)gUnknown_2022BBC;
+    animBgData->bgTiles = gBattleAnimMons_BgTilesBuffer;
+    animBgData->bgTilemap = (u16 *)gBattleAnimMons_BgTilemapBuffer;
     animBgData->paletteId = 8;
     animBgData->bgId = 1;
     animBgData->tilesOffset = 0x200;
     animBgData->unused = 0;
 }
 
-void sub_80752C8(struct BattleAnimBgData *animBgData, u32 arg1)
+void GetBattleAnimBgData(struct BattleAnimBgData *animBgData, u32 bgId)
 {
-    if (arg1 == 1)
+    if (bgId == 1)
     {
-        sub_80752A0(animBgData);
+        GetBattleAnimBg1Data(animBgData);
     }
     else
     {
-        animBgData->bgTiles = gUnknown_2022BB8;
-        animBgData->bgTilemap = (u16 *)gUnknown_2022BBC;
+        animBgData->bgTiles = gBattleAnimMons_BgTilesBuffer;
+        animBgData->bgTilemap = (u16 *)gBattleAnimMons_BgTilemapBuffer;
         animBgData->paletteId = 9;
         animBgData->bgId = 2;
         animBgData->tilesOffset = 0x300;
@@ -828,10 +828,10 @@ void sub_80752C8(struct BattleAnimBgData *animBgData, u32 arg1)
     }
 }
 
-void sub_8075300(struct BattleAnimBgData *animBgData, u8 unused)
+void GetBattleAnimBgDataByPriorityRank(struct BattleAnimBgData *animBgData, u8 unused)
 {
-    animBgData->bgTiles = gUnknown_2022BB8;
-    animBgData->bgTilemap = (u16 *)gUnknown_2022BBC;
+    animBgData->bgTiles = gBattleAnimMons_BgTilesBuffer;
+    animBgData->bgTilemap = (u16 *)gBattleAnimMons_BgTilemapBuffer;
     if (GetBattlerSpriteBGPriorityRank(gBattleAnimAttacker) == 1)
     {
         animBgData->paletteId = 8;
@@ -848,11 +848,11 @@ void sub_8075300(struct BattleAnimBgData *animBgData, u8 unused)
     }
 }
 
-void sub_8075358(u32 bgId)
+void InitBattleAnimBg(u32 bgId)
 {
     struct BattleAnimBgData animBgData;
 
-    sub_80752C8(&animBgData, bgId);
+    GetBattleAnimBgData(&animBgData, bgId);
     CpuFill32(0, animBgData.bgTiles, 0x2000);
     LoadBgTiles(bgId, animBgData.bgTiles, 0x2000, animBgData.tilesOffset);
     FillBgTilemapBufferRect(bgId, 0, 0, 0, 32, 64, 17);
@@ -861,9 +861,9 @@ void sub_8075358(u32 bgId)
 
 void AnimLoadCompressedBgGfx(u32 bgId, const u32 *src, u32 tilesOffset)
 {
-    CpuFill32(0, gUnknown_2022BB8, 0x2000);
-    LZDecompressWram(src, gUnknown_2022BB8);
-    LoadBgTiles(bgId, gUnknown_2022BB8, 0x2000, tilesOffset);
+    CpuFill32(0, gBattleAnimMons_BgTilesBuffer, 0x2000);
+    LZDecompressWram(src, gBattleAnimMons_BgTilesBuffer);
+    LoadBgTiles(bgId, gBattleAnimMons_BgTilesBuffer, 0x2000, tilesOffset);
 }
 
 void InitAnimBgTilemapBuffer(u32 bgId, const void *src)
@@ -883,7 +883,7 @@ u8 GetBattleBgPaletteNum(void)
     return 2;
 }
 
-void sub_8075458(bool8 arg0)
+void ToggleBg3Mode(bool8 arg0)
 {
     if (!arg0)
     {
@@ -919,15 +919,15 @@ void InitSpriteDataForLinearTranslation(struct Sprite *sprite)
 
 void InitAnimLinearTranslation(struct Sprite *sprite)
 {
-    s32 x = sprite->data[2] - sprite->data[1];
-    s32 y = sprite->data[4] - sprite->data[3];
+    s32 x = sprite->sTransl_DestX - sprite->sTransl_InitX;
+    s32 y = sprite->sTransl_DestY - sprite->sTransl_InitY;
     bool8 movingLeft = x < 0;
     bool8 movingUp = y < 0;
     u16 xDelta = abs(x) << 8;
     u16 yDelta = abs(y) << 8;
 
-    xDelta = xDelta / sprite->data[0];
-    yDelta = yDelta / sprite->data[0];
+    xDelta = xDelta / sprite->sTransl_Speed;
+    yDelta = yDelta / sprite->sTransl_Speed;
 
     if (movingLeft)
         xDelta |= 1;
@@ -947,19 +947,19 @@ void InitAnimLinearTranslation(struct Sprite *sprite)
 
 void StartAnimLinearTranslation(struct Sprite *sprite)
 {
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[3] = sprite->pos1.y;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_InitY = sprite->pos1.y;
     InitAnimLinearTranslation(sprite);
-    sprite->callback = sub_807563C;
+    sprite->callback = RunLinearTranslation_ThenceSetCBtoStoredInData6;
     sprite->callback(sprite);
 }
 
-void sub_80755B8(struct Sprite *sprite)
+void PlayerThrowBall_StartAnimLinearTranslation(struct Sprite *sprite)
 {
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[3] = sprite->pos1.y;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_InitY = sprite->pos1.y;
     InitAnimLinearTranslation(sprite);
-    sprite->callback = sub_8075658;
+    sprite->callback = PlayerThrowBall_RunLinearTranslation_ThenceSetCBtoStoredInData6;
     sprite->callback(sprite);
 }
 
@@ -990,47 +990,47 @@ bool8 AnimTranslateLinear(struct Sprite *sprite)
     return FALSE;
 }
 
-void sub_807563C(struct Sprite *sprite)
+void RunLinearTranslation_ThenceSetCBtoStoredInData6(struct Sprite *sprite)
 {
     if (AnimTranslateLinear(sprite))
         SetCallbackToStoredInData6(sprite);
 }
 
-static void sub_8075658(struct Sprite *sprite)
+static void PlayerThrowBall_RunLinearTranslation_ThenceSetCBtoStoredInData6(struct Sprite *sprite)
 {
-    sub_801236C(sprite);
+    UpdatePlayerPosInThrowAnim(sprite);
     if (AnimTranslateLinear(sprite))
         SetCallbackToStoredInData6(sprite);
 }
 
-void sub_8075678(struct Sprite *sprite)
+void BattleAnim_InitLinearTranslationWithDuration(struct Sprite *sprite)
 {
-    s32 v1 = abs(sprite->data[2] - sprite->data[1]) << 8;
+    s32 v1 = abs(sprite->sTransl_DestX - sprite->sTransl_InitX) << 8;
 
-    sprite->data[0] = v1 / sprite->data[0];
+    sprite->sTransl_Speed = v1 / sprite->sTransl_Duration;
     InitAnimLinearTranslation(sprite);
 }
 
-void sub_80756A4(struct Sprite *sprite)
+void BattleAnim_InitAndRunLinearTranslationWithDuration(struct Sprite *sprite)
 {
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[3] = sprite->pos1.y;
-    sub_8075678(sprite);
-    sprite->callback = sub_807563C;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_InitY = sprite->pos1.y;
+    BattleAnim_InitLinearTranslationWithDuration(sprite);
+    sprite->callback = RunLinearTranslation_ThenceSetCBtoStoredInData6;
     sprite->callback(sprite);
 }
 
 static void InitAnimFastLinearTranslation(struct Sprite *sprite)
 {
-    s32 xDiff = sprite->data[2] - sprite->data[1];
-    s32 yDiff = sprite->data[4] - sprite->data[3];
+    s32 xDiff = sprite->sTransl_DestX - sprite->sTransl_InitX;
+    s32 yDiff = sprite->sTransl_DestY - sprite->sTransl_InitY;
     bool8 xSign = xDiff < 0;
     bool8 ySign = yDiff < 0;
     u16 x2 = abs(xDiff) << 4;
     u16 y2 = abs(yDiff) << 4;
 
-    x2 /= sprite->data[0];
-    y2 /= sprite->data[0];
+    x2 /= sprite->sTransl_Duration;
+    y2 /= sprite->sTransl_Duration;
     if (xSign)
         x2 |= 1;
     else
@@ -1047,10 +1047,10 @@ static void InitAnimFastLinearTranslation(struct Sprite *sprite)
 
 void InitAndRunAnimFastLinearTranslation(struct Sprite *sprite)
 {
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[3] = sprite->pos1.y;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_InitY = sprite->pos1.y;
     InitAnimFastLinearTranslation(sprite);
-    sprite->callback = sub_80757E8;
+    sprite->callback = SpriteCB_RunAnimFastLinearTranslation;
     sprite->callback(sprite);
 }
 
@@ -1080,7 +1080,7 @@ bool8 AnimFastTranslateLinear(struct Sprite *sprite)
     return FALSE;
 }
 
-static void sub_80757E8(struct Sprite *sprite)
+static void SpriteCB_RunAnimFastLinearTranslation(struct Sprite *sprite)
 {
     if (AnimFastTranslateLinear(sprite))
         SetCallbackToStoredInData6(sprite);
@@ -1099,7 +1099,7 @@ void sub_8075830(struct Sprite *sprite)
     sprite->data[1] = sprite->pos1.x;
     sprite->data[3] = sprite->pos1.y;
     InitAnimFastLinearTranslationWithSpeed(sprite);
-    sprite->callback = sub_80757E8;
+    sprite->callback = SpriteCB_RunAnimFastLinearTranslation;
     sprite->callback(sprite);
 }
 
@@ -1112,7 +1112,7 @@ void SetSpriteRotScale(u8 spriteId, s16 xScale, s16 yScale, u16 rotation)
     src.xScale = xScale;
     src.yScale = yScale;
     src.rotation = rotation;
-    if (sub_80758DC())
+    if (Dummy_ReturnFalse())
         src.xScale = -src.xScale;
     i = gSprites[spriteId].oam.matrixNum;
     ObjAffineSet(&src, &matrix, 1, 2);
@@ -1122,7 +1122,7 @@ void SetSpriteRotScale(u8 spriteId, s16 xScale, s16 yScale, u16 rotation)
     gOamMatrices[i].d = matrix.d;
 }
 
-static bool8 sub_80758DC(void)
+static bool8 Dummy_ReturnFalse(void)
 {
     return FALSE;
 }
@@ -1177,7 +1177,7 @@ void TrySetSpriteRotScale(struct Sprite *sprite, bool8 recalcCenterVector, s16 x
         src.xScale = xScale;
         src.yScale = yScale;
         src.rotation = rotation;
-        if (sub_80758DC())
+        if (Dummy_ReturnFalse())
             src.xScale = -src.xScale;
         i = sprite->oam.matrixNum;
         ObjAffineSet(&src, &matrix, 1, 2);
@@ -1869,20 +1869,20 @@ u8 sub_80768D0(u16 species, bool8 isBackpic, u8 a3, s16 x, s16 y, u8 subpriority
     u16 sheet = LoadSpriteSheet(&gUnknown_83AE084[a3]);
     u16 palette = AllocSpritePalette(gUnknown_83AE054[a3].paletteTag);
 
-    if (gMonSpritesGfxPtr != NULL && gMonSpritesGfxPtr->field_17C == NULL)
-        gMonSpritesGfxPtr->field_17C = AllocZeroed(0x2000);
+    if (gMonSpritesGfxPtr != NULL && gMonSpritesGfxPtr->multiUseBuffer == NULL)
+        gMonSpritesGfxPtr->multiUseBuffer = AllocZeroed(0x2000);
     if (!isBackpic)
     {
         LoadCompressedPalette(GetMonSpritePalFromSpeciesAndPersonality(species, trainerId, personality), (palette * 0x10) + 0x100, 0x20);
-        if (a10 == 1 || sub_804455C(5, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != 0)
+        if (a10 == 1 || ShouldIgnoreDeoxysForm(5, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != 0)
             LoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species],
-                                                gMonSpritesGfxPtr->field_17C,
+                                                gMonSpritesGfxPtr->multiUseBuffer,
                                                 species,
                                                 personality,
                                                 TRUE);
         else
             LoadSpecialPokePic(&gMonFrontPicTable[species],
-                               gMonSpritesGfxPtr->field_17C,
+                               gMonSpritesGfxPtr->multiUseBuffer,
                                species,
                                personality,
                                TRUE);
@@ -1890,21 +1890,21 @@ u8 sub_80768D0(u16 species, bool8 isBackpic, u8 a3, s16 x, s16 y, u8 subpriority
     else
     {
         LoadCompressedPalette(GetMonSpritePalFromSpeciesAndPersonality(species, trainerId, personality), (palette * 0x10) + 0x100, 0x20);
-        if (a10 == 1 || sub_804455C(5, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != 0)
+        if (a10 == 1 || ShouldIgnoreDeoxysForm(5, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != 0)
             LoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[species],
-                                                gMonSpritesGfxPtr->field_17C,
+                                                gMonSpritesGfxPtr->multiUseBuffer,
                                                 species,
                                                 personality,
                                                 FALSE);
         else
             LoadSpecialPokePic(&gMonBackPicTable[species],
-                               gMonSpritesGfxPtr->field_17C,
+                               gMonSpritesGfxPtr->multiUseBuffer,
                                species,
                                personality,
                                FALSE);
     }
-    RequestDma3Copy(gMonSpritesGfxPtr->field_17C, (void *)(OBJ_VRAM0 + (sheet * 0x20)), 0x800, 1);
-    FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_17C);
+    RequestDma3Copy(gMonSpritesGfxPtr->multiUseBuffer, (void *)(OBJ_VRAM0 + (sheet * 0x20)), 0x800, 1);
+    FREE_AND_SET_NULL(gMonSpritesGfxPtr->multiUseBuffer);
     if (!isBackpic)
         spriteId = CreateSprite(&gUnknown_83AE054[a3], x, y + gMonFrontPicCoords[species].y_offset, subpriority);
     else
diff --git a/src/battle_anim_special.c b/src/battle_anim_special.c
index a919b0371..a1cf5a491 100644
--- a/src/battle_anim_special.c
+++ b/src/battle_anim_special.c
@@ -15,7 +15,6 @@
 #include "constants/items.h"
 #include "constants/moves.h"
 #include "constants/songs.h"
-#include "constants/pokemon.h"
 
 // Defines
 #define TAG_PARTICLES_POKEBALL    55020
@@ -31,58 +30,61 @@
 #define TAG_PARTICLES_LUXURYBALL  55030
 #define TAG_PARTICLES_PREMIERBALL 55031
 
+#define TAG_HEALTHBOX_PALS_1      55049
+#define TAG_HEALTHBOX_PALS_2      55050
+
 #define HIHALF(n) (((n) & 0xFFFF0000) >> 16)
 #define LOHALF(n) ((n) & 0xFFFF)
 
 // RAM
-int sUnknown_3005424;
-u16 sUnknown_3005428;
-u16 sUnknown_300542C;
+UNUSED u32 gMonShrinkDuration;
+UNUSED u16 gMonShrinkDelta;
+UNUSED u16 gMonShrinkDistance;
 
 // Function Declarations
-static void sub_80EEDF4(u8);
-static void sub_80EF1CC(u8);
-static void sub_80EF698(u8);
-static void sub_80EF8C0(struct Sprite *);
-static void sub_80EF7EC(u8);
-static void sub_80EF864(u8);
-static void sub_80EF8F0(struct Sprite *);
-static void sub_80F0478(struct Sprite *);
-static void sub_80EF9B4(struct Sprite *);
-static void sub_80EFA0C(struct Sprite *);
-static void sub_80EFB58(struct Sprite *);
-static void sub_80EFB9C(struct Sprite *);
-static void sub_80EFF80(struct Sprite *);
-static void sub_80EFCA0(struct Sprite *);
-static void sub_80EFCEC(struct Sprite *);
-static void sub_80EFFA4(struct Sprite *);
-static void sub_80F02B0(struct Sprite *);
-static void sub_80EFFC4(struct Sprite *);
-static void sub_80F01B8(struct Sprite *);
-static void sub_80F00A4(struct Sprite *);
-static void sub_80F018C(struct Sprite *);
-static void sub_80F05B4(u8);
-static void sub_80F0278(struct Sprite *);
-static void sub_80F0378(struct Sprite *);
-static void sub_80F04B4(struct Sprite *);
+static void AnimTask_UnusedLevelUpHealthBox_Step(u8);
+static void AnimTask_FlashHealthboxOnLevelUp_Step(u8);
+static void AnimTask_ThrowBall_WaitAnimObjComplete(u8);
+static void SpriteCB_ThrowBall_Init(struct Sprite *);
+static void AnimTask_ThrowBallSpecial_PlaySfx(u8);
+static void AnimTask_ThrowBallSpecial_ResetPlayerSprite(u8);
+static void SpriteCB_ThrowBall_ArcFlight(struct Sprite *);
+static void TrainerBallBlock(struct Sprite *);
+static void SpriteCB_ThrowBall_TenFrameDelay(struct Sprite *);
+static void SpriteCB_ThrowBall_ShrinkMon(struct Sprite *);
+static void SpriteCB_ThrowBall_InitialFall(struct Sprite *);
+static void SpriteCB_ThrowBall_Bounce(struct Sprite *);
+static void SpriteCB_ThrowBall_DelayThenBreakOut(struct Sprite *);
+static void SpriteCB_ThrowBall_InitShake(struct Sprite *);
+static void SpriteCB_ThrowBall_DoShake(struct Sprite *);
+static void SpriteCB_ThrowBall_InitClick(struct Sprite *);
+static void SpriteCB_ThrowBall_BeginBreakOut(struct Sprite *);
+static void SpriteCB_ThrowBall_DoClick(struct Sprite *);
+static void CreateStarsWhenBallClicks(struct Sprite *);
+static void SpriteCB_ThrowBall_FinishClick(struct Sprite *);
+static void BattleAnimObj_SignalEnd(struct Sprite *);
+static void LoadBallParticleGfx(u8);
+static void SpriteCB_BallCaptureSuccessStar(struct Sprite *);
+static void SpriteCB_ThrowBall_RunBreakOut(struct Sprite *);
+static void TrainerBallBlock2(struct Sprite *);
 static void GhostBallDodge(struct Sprite *sprite);
-static void sub_80F0574(struct Sprite *sprite);
+static void GhostBallDodge2(struct Sprite *sprite);
 static void PokeBallOpenParticleAnimation_Step1(struct Sprite *);
 static void PokeBallOpenParticleAnimation_Step2(struct Sprite *);
 static void DestroyBallOpenAnimationParticle(struct Sprite *);
 static void FanOutBallOpenParticles_Step1(struct Sprite *);
 static void RepeatBallOpenParticleAnimation_Step1(struct Sprite *);
 static void PremierBallOpenParticleAnimation_Step1(struct Sprite *);
-static void sub_80F12E0(u8);
-static void sub_80F1370(u8);
-static void sub_80F13C0(u8);
-static void sub_80F181C(u8);
-static void sub_80F1A2C(struct Sprite *);
-static void sub_80F1A80(struct Sprite *);
-static void sub_80F19E0(u8);
-static void sub_80F1BCC(struct Sprite *);
-static void sub_80F1C04(struct Sprite *);
-static void sub_80F1C30(struct Sprite *);
+static void Task_FadeMon_ToBallColor(u8);
+static void Task_FadeMon_ToNormal(u8);
+static void Task_FadeMon_ToNormal_Step(u8);
+static void AnimTask_ShinySparkles(u8);
+static void SpriteCB_ShinySparkles_1(struct Sprite *);
+static void SpriteCB_ShinySparkles_2(struct Sprite *);
+static void AnimTask_ShinySparkles_WaitSparkles(u8);
+static void SpriteCB_SafariBaitOrRock_WaitPlayerThrow(struct Sprite *);
+static void SpriteCB_SafariBaitOrRock_ArcFlight(struct Sprite *);
+static void SpriteCB_SafariBaitOrRock_Finish(struct Sprite *);
 static void PokeBallOpenParticleAnimation(u8);
 static void GreatBallOpenParticleAnimation(u8);
 static void SafariBallOpenParticleAnimation(u8);
@@ -92,65 +94,65 @@ static void DiveBallOpenParticleAnimation(u8);
 static void RepeatBallOpenParticleAnimation(u8);
 static void TimerBallOpenParticleAnimation(u8);
 static void PremierBallOpenParticleAnimation(u8);
-static void sub_80F1B3C(struct Sprite *);
+static void SpriteCB_SafariBaitOrRock_Init(struct Sprite *);
 
 // Data
-struct BallCaptureSuccessStarData
+struct CaptureStar
 {
     s8 xOffset;
     s8 yOffset;
-    s8 unk2;
+    s8 amplitude;
 };
 
-static const struct BallCaptureSuccessStarData sBallCaptureSuccessStarData[] =
+static const struct CaptureStar sCaptureStar[] =
 {
     {
         .xOffset = 10,
         .yOffset = 2,
-        .unk2 = -3,
+        .amplitude = -3,
     },
     {
         .xOffset = 15,
         .yOffset = 0,
-        .unk2 = -4,
+        .amplitude = -4,
     },
     {
         .xOffset = -10,
         .yOffset = 2,
-        .unk2 = -4,
+        .amplitude = -4,
     },
 };
 
 const struct CompressedSpriteSheet gBallParticleSpritesheets[] =
 {
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_POKEBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_GREATBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_SAFARIBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_ULTRABALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_MASTERBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_NETBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_DIVEBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_NESTBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_REPEATBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_TIMERBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_LUXURYBALL},
-    {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_PREMIERBALL},
+    [BALL_POKE]    = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_POKEBALL},
+    [BALL_GREAT]   = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_GREATBALL},
+    [BALL_SAFARI]  = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_SAFARIBALL},
+    [BALL_ULTRA]   = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_ULTRABALL},
+    [BALL_MASTER]  = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_MASTERBALL},
+    [BALL_NET]     = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_NETBALL},
+    [BALL_DIVE]    = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_DIVEBALL},
+    [BALL_NEST]    = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_NESTBALL},
+    [BALL_REPEAT]  = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_REPEATBALL},
+    [BALL_TIMER]   = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_TIMERBALL},
+    [BALL_LUXURY]  = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_LUXURYBALL},
+    [BALL_PREMIER] = {gBattleAnimSpriteGfx_Particles, 0x100, TAG_PARTICLES_PREMIERBALL},
 };
 
 const struct CompressedSpritePalette gBallParticlePalettes[] =
 {
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_POKEBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_GREATBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_SAFARIBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_ULTRABALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_MASTERBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_NETBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_DIVEBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_NESTBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_REPEATBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_TIMERBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_LUXURYBALL},
-    {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_PREMIERBALL},
+    [BALL_POKE]    = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_POKEBALL},
+    [BALL_GREAT]   = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_GREATBALL},
+    [BALL_SAFARI]  = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_SAFARIBALL},
+    [BALL_ULTRA]   = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_ULTRABALL},
+    [BALL_MASTER]  = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_MASTERBALL},
+    [BALL_NET]     = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_NETBALL},
+    [BALL_DIVE]    = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_DIVEBALL},
+    [BALL_NEST]    = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_NESTBALL},
+    [BALL_REPEAT]  = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_REPEATBALL},
+    [BALL_TIMER]   = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_TIMERBALL},
+    [BALL_LUXURY]  = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_LUXURYBALL},
+    [BALL_PREMIER] = {gBattleAnimSpritePal_CircleImpact, TAG_PARTICLES_PREMIERBALL},
 };
 
 static const union AnimCmd sAnim_RegularBall[] =
@@ -207,39 +209,39 @@ static const union AnimCmd *const sAnims_BallParticles[] =
 
 static const u8 sBallParticleAnimNums[] =
 {
-    [BALL_POKE] = 0,
-    [BALL_GREAT] = 0,
-    [BALL_SAFARI] = 0,
-    [BALL_ULTRA] = 5,
-    [BALL_MASTER] = 1,
-    [BALL_NET] = 2,
-    [BALL_DIVE] = 2,
-    [BALL_NEST] = 3,
-    [BALL_REPEAT] = 5,
-    [BALL_TIMER] = 5,
-    [BALL_LUXURY] = 4,
+    [BALL_POKE]    = 0,
+    [BALL_GREAT]   = 0,
+    [BALL_SAFARI]  = 0,
+    [BALL_ULTRA]   = 5,
+    [BALL_MASTER]  = 1,
+    [BALL_NET]     = 2,
+    [BALL_DIVE]    = 2,
+    [BALL_NEST]    = 3,
+    [BALL_REPEAT]  = 5,
+    [BALL_TIMER]   = 5,
+    [BALL_LUXURY]  = 4,
     [BALL_PREMIER] = 4,
 };
 
 static const TaskFunc sBallParticleAnimationFuncs[] =
 {
-    PokeBallOpenParticleAnimation,
-    GreatBallOpenParticleAnimation,
-    SafariBallOpenParticleAnimation,
-    UltraBallOpenParticleAnimation,
-    MasterBallOpenParticleAnimation,
-    SafariBallOpenParticleAnimation,
-    DiveBallOpenParticleAnimation,
-    UltraBallOpenParticleAnimation,
-    RepeatBallOpenParticleAnimation,
-    TimerBallOpenParticleAnimation,
-    GreatBallOpenParticleAnimation,
-    PremierBallOpenParticleAnimation,
+    [BALL_POKE]    = PokeBallOpenParticleAnimation,
+    [BALL_GREAT]   = GreatBallOpenParticleAnimation,
+    [BALL_SAFARI]  = SafariBallOpenParticleAnimation,
+    [BALL_ULTRA]   = UltraBallOpenParticleAnimation,
+    [BALL_MASTER]  = MasterBallOpenParticleAnimation,
+    [BALL_NET]     = SafariBallOpenParticleAnimation,
+    [BALL_DIVE]    = DiveBallOpenParticleAnimation,
+    [BALL_NEST]    = UltraBallOpenParticleAnimation,
+    [BALL_REPEAT]  = RepeatBallOpenParticleAnimation,
+    [BALL_TIMER]   = TimerBallOpenParticleAnimation,
+    [BALL_LUXURY]  = GreatBallOpenParticleAnimation,
+    [BALL_PREMIER] = PremierBallOpenParticleAnimation,
 };
 
 static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
 {
-    {
+    [BALL_POKE] = {
         .tileTag = TAG_PARTICLES_POKEBALL,
         .paletteTag = TAG_PARTICLES_POKEBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -248,7 +250,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_GREAT] = {
         .tileTag = TAG_PARTICLES_GREATBALL,
         .paletteTag = TAG_PARTICLES_GREATBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -257,7 +259,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_SAFARI] = {
         .tileTag = TAG_PARTICLES_SAFARIBALL,
         .paletteTag = TAG_PARTICLES_SAFARIBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -266,7 +268,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_ULTRA] = {
         .tileTag = TAG_PARTICLES_ULTRABALL,
         .paletteTag = TAG_PARTICLES_ULTRABALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -275,7 +277,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_MASTER] = {
         .tileTag = TAG_PARTICLES_MASTERBALL,
         .paletteTag = TAG_PARTICLES_MASTERBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -284,7 +286,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_NET] = {
         .tileTag = TAG_PARTICLES_NETBALL,
         .paletteTag = TAG_PARTICLES_NETBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -293,7 +295,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_DIVE] = {
         .tileTag = TAG_PARTICLES_DIVEBALL,
         .paletteTag = TAG_PARTICLES_DIVEBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -302,7 +304,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_NEST] = {
         .tileTag = TAG_PARTICLES_NESTBALL,
         .paletteTag = TAG_PARTICLES_NESTBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -311,7 +313,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_REPEAT] = {
         .tileTag = TAG_PARTICLES_REPEATBALL,
         .paletteTag = TAG_PARTICLES_REPEATBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -320,7 +322,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_TIMER] = {
         .tileTag = TAG_PARTICLES_TIMERBALL,
         .paletteTag = TAG_PARTICLES_TIMERBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -329,7 +331,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_LUXURY] = {
         .tileTag = TAG_PARTICLES_LUXURYBALL,
         .paletteTag = TAG_PARTICLES_LUXURYBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -338,7 +340,7 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
         .affineAnims = gDummySpriteAffineAnimTable,
         .callback = SpriteCallbackDummy,
     },
-    {
+    [BALL_PREMIER] = {
         .tileTag = TAG_PARTICLES_PREMIERBALL,
         .paletteTag = TAG_PARTICLES_PREMIERBALL,
         .oam = &gOamData_AffineOff_ObjNormal_8x8,
@@ -351,17 +353,17 @@ static const struct SpriteTemplate sBallParticlesSpriteTemplates[] =
 
 static const u16 sBallOpenFadeColors[] =
 {
-    [BALL_POKE] = RGB(31, 22, 30),
-    [BALL_GREAT] = RGB(16, 23, 30),
-    [BALL_SAFARI] = RGB(23, 30, 20),
-    [BALL_ULTRA] = RGB(31, 31, 15),
-    [BALL_MASTER] = RGB(23, 20, 28),
-    [BALL_NET] = RGB(21, 31, 25),
-    [BALL_DIVE] = RGB(12, 25, 30),
-    [BALL_NEST] = RGB(30, 27, 10),
-    [BALL_REPEAT] = RGB(31, 24, 16),
-    [BALL_TIMER] = RGB(29, 30, 30),
-    [BALL_LUXURY] = RGB(31, 17, 10),
+    [BALL_POKE]    = RGB(31, 22, 30),
+    [BALL_GREAT]   = RGB(16, 23, 30),
+    [BALL_SAFARI]  = RGB(23, 30, 20),
+    [BALL_ULTRA]   = RGB(31, 31, 15),
+    [BALL_MASTER]  = RGB(23, 20, 28),
+    [BALL_NET]     = RGB(21, 31, 25),
+    [BALL_DIVE]    = RGB(12, 25, 30),
+    [BALL_NEST]    = RGB(30, 27, 10),
+    [BALL_REPEAT]  = RGB(31, 24, 16),
+    [BALL_TIMER]   = RGB(29, 30, 30),
+    [BALL_LUXURY]  = RGB(31, 17, 10),
     [BALL_PREMIER] = RGB(31, 9, 10),
 
     // Unused
@@ -383,18 +385,18 @@ const struct SpriteTemplate gSafariBaitSpriteTemplate =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_80F1B3C,
+    .callback = SpriteCB_SafariBaitOrRock_Init,
 };
 
-static const union AnimCmd sUnknown_840C204[] =
+static const union AnimCmd sSpriteAnim_SafariRock_0[] =
 {
     ANIMCMD_FRAME(64, 1),
     ANIMCMD_END,
 };
 
-static const union AnimCmd *const sSpriteAnimTable_840C20C[] =
+static const union AnimCmd *const sSpriteAnimTable_SafariRock[] =
 {
-    sUnknown_840C204,
+    sSpriteAnim_SafariRock_0,
 };
 
 const struct SpriteTemplate gSafariRockTemplate =
@@ -402,16 +404,16 @@ const struct SpriteTemplate gSafariRockTemplate =
     .tileTag = ANIM_TAG_ROCKS,
     .paletteTag = ANIM_TAG_ROCKS,
     .oam = &gOamData_AffineOff_ObjNormal_32x32,
-    .anims = sSpriteAnimTable_840C20C,
+    .anims = sSpriteAnimTable_SafariRock,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_80F1B3C,
+    .callback = SpriteCB_SafariBaitOrRock_Init,
 };
 
 // Functions
-void sub_80EEC0C(u8 taskId)
+UNUSED void AnimTask_UnusedLevelUpHealthBox(u8 taskId)
 {
-    struct BattleAnimBgData unknownStruct;
+    struct BattleAnimBgData animBgData;
     u8 healthBoxSpriteId;
     u8 battler;
     u8 spriteId1, spriteId2, spriteId3, spriteId4;
@@ -442,19 +444,19 @@ void sub_80EEC0C(u8 taskId)
     gSprites[spriteId4].oam.objMode = ST_OAM_OBJ_WINDOW;
     gSprites[spriteId3].callback = SpriteCallbackDummy;
     gSprites[spriteId4].callback = SpriteCallbackDummy;
-    sub_80752A0(&unknownStruct);
-    AnimLoadCompressedBgTilemap(unknownStruct.bgId, gUnknown_D2EC24_Tilemap);
-    AnimLoadCompressedBgGfx(unknownStruct.bgId, gUnknown_D2EC24_Gfx, unknownStruct.tilesOffset);
-    LoadCompressedPalette(gCureBubblesPal, unknownStruct.paletteId << 4, 32);
+    GetBattleAnimBg1Data(&animBgData);
+    AnimLoadCompressedBgTilemap(animBgData.bgId, gUnknown_D2EC24_Tilemap);
+    AnimLoadCompressedBgGfx(animBgData.bgId, gUnknown_D2EC24_Gfx, animBgData.tilesOffset);
+    LoadCompressedPalette(gCureBubblesPal, animBgData.paletteId << 4, 32);
     gBattle_BG1_X = -gSprites[spriteId3].pos1.x + 32;
     gBattle_BG1_Y = -gSprites[spriteId3].pos1.y - 32;
     gTasks[taskId].data[1] = 640;
     gTasks[taskId].data[0] = spriteId3;
     gTasks[taskId].data[2] = spriteId4;
-    gTasks[taskId].func = sub_80EEDF4;
+    gTasks[taskId].func = AnimTask_UnusedLevelUpHealthBox_Step;
 }
 
-static void sub_80EEDF4(u8 taskId)
+static void AnimTask_UnusedLevelUpHealthBox_Step(u8 taskId)
 {
     u8 spriteId1, spriteId2;
     u8 battler;
@@ -488,7 +490,7 @@ static void sub_80EEDF4(u8 taskId)
             SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[12], 16 - gTasks[taskId].data[12]));
             if (gTasks[taskId].data[12] == 0)
             {
-                sub_8073128(0);
+                ResetBattleAnimBg(0);
                 gBattle_WIN0H = 0;
                 gBattle_WIN0V = 0;
                 SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR | WININ_WIN1_BG_ALL | WININ_WIN1_OBJ | WININ_WIN1_CLR);
@@ -514,7 +516,7 @@ static void sub_80EEDF4(u8 taskId)
     }
 }
 
-void sub_80EEFC8(u8 *paletteId1, u8 *paletteId2, u8 battler)
+void DoLoadHealthboxPalsForLevelUp(u8 *paletteId1, u8 *paletteId2, u8 battler)
 {
     u8 healthBoxSpriteId;
     u8 spriteId1, spriteId2;
@@ -523,8 +525,8 @@ void sub_80EEFC8(u8 *paletteId1, u8 *paletteId2, u8 battler)
     healthBoxSpriteId = gHealthboxSpriteIds[battler];
     spriteId1 = gSprites[healthBoxSpriteId].oam.affineParam;
     spriteId2 = gSprites[healthBoxSpriteId].data[5];
-    *paletteId1 = AllocSpritePalette(0xD709);
-    *paletteId2 = AllocSpritePalette(0xD70A);
+    *paletteId1 = AllocSpritePalette(TAG_HEALTHBOX_PALS_1);
+    *paletteId2 = AllocSpritePalette(TAG_HEALTHBOX_PALS_2);
     offset1 = (gSprites[healthBoxSpriteId].oam.paletteNum * 16) + 0x100;
     offset2 = (gSprites[spriteId2].oam.paletteNum * 16) + 0x100;
     LoadPalette(&gPlttBufferUnfaded[offset1], *paletteId1 * 16 + 0x100, 0x20);
@@ -538,11 +540,11 @@ void AnimTask_LoadHealthboxPalsForLevelUp(u8 taskId)
 {
     u8 paletteId1, paletteId2;
     
-    sub_80EEFC8(&paletteId1, &paletteId2, gBattleAnimAttacker);
+    DoLoadHealthboxPalsForLevelUp(&paletteId1, &paletteId2, gBattleAnimAttacker);
     DestroyAnimVisualTask(taskId);
 }
 
-void sub_80EF0E0(u8 battler)
+void DoFreeHealthboxPalsForLevelUp(u8 battler)
 {
     u8 healthBoxSpriteId;
     u8 spriteId1, spriteId2;
@@ -551,10 +553,10 @@ void sub_80EF0E0(u8 battler)
     healthBoxSpriteId = gHealthboxSpriteIds[battler];
     spriteId1 = gSprites[healthBoxSpriteId].oam.affineParam;
     spriteId2 = gSprites[healthBoxSpriteId].data[5];
-    FreeSpritePaletteByTag(0xD709);
-    FreeSpritePaletteByTag(0xD70A);
-    paletteId1 = IndexOfSpritePaletteTag(0xD6FF);
-    paletteId2 = IndexOfSpritePaletteTag(0xD704);
+    FreeSpritePaletteByTag(TAG_HEALTHBOX_PALS_1);
+    FreeSpritePaletteByTag(TAG_HEALTHBOX_PALS_2);
+    paletteId1 = IndexOfSpritePaletteTag(TAG_HEALTHBOX_PAL);
+    paletteId2 = IndexOfSpritePaletteTag(TAG_HEALTHBAR_PAL);
     gSprites[healthBoxSpriteId].oam.paletteNum = paletteId1;
     gSprites[spriteId1].oam.paletteNum = paletteId1;
     gSprites[spriteId2].oam.paletteNum = paletteId2;
@@ -562,7 +564,7 @@ void sub_80EF0E0(u8 battler)
 
 void AnimTask_FreeHealthboxPalsForLevelUp(u8 taskId)
 {
-    sub_80EF0E0(gBattleAnimAttacker);
+    DoFreeHealthboxPalsForLevelUp(gBattleAnimAttacker);
     DestroyAnimVisualTask(taskId);
 }
 
@@ -570,10 +572,10 @@ void AnimTask_FlashHealthboxOnLevelUp(u8 taskId)
 {
     gTasks[taskId].data[10] = gBattleAnimArgs[0];
     gTasks[taskId].data[11] = gBattleAnimArgs[1];
-    gTasks[taskId].func = sub_80EF1CC;
+    gTasks[taskId].func = AnimTask_FlashHealthboxOnLevelUp_Step;
 }
 
-static void sub_80EF1CC(u8 taskId)
+static void AnimTask_FlashHealthboxOnLevelUp_Step(u8 taskId)
 {
     u8 paletteNum;
     int paletteOffset, colorOffset;
@@ -582,7 +584,7 @@ static void sub_80EF1CC(u8 taskId)
     if (gTasks[taskId].data[0]++ >= gTasks[taskId].data[11])
     {
         gTasks[taskId].data[0] = 0;
-        paletteNum = IndexOfSpritePaletteTag(0xD709);
+        paletteNum = IndexOfSpritePaletteTag(TAG_HEALTHBOX_PALS_1);
         colorOffset = gTasks[taskId].data[10] == 0 ? 6 : 2;
         switch (gTasks[taskId].data[1])
         {
@@ -748,13 +750,13 @@ void AnimTask_ThrowBall(u8 taskId)
     gSprites[spriteId].data[0] = 34;
     gSprites[spriteId].data[1] = GetBattlerSpriteCoord(gBattleAnimTarget, BATTLER_COORD_X);
     gSprites[spriteId].data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, BATTLER_COORD_Y) - 16;
-    gSprites[spriteId].callback = sub_80EF8C0;
+    gSprites[spriteId].callback = SpriteCB_ThrowBall_Init;
     gBattleSpritesDataPtr->animationData->field_9_x2 = gSprites[gBattlerSpriteIds[gBattleAnimTarget]].invisible;
     gTasks[taskId].data[0] = spriteId;
-    gTasks[taskId].func = sub_80EF698;
+    gTasks[taskId].func = AnimTask_ThrowBall_WaitAnimObjComplete;
 }
 
-static void sub_80EF698(u8 taskId)
+static void AnimTask_ThrowBall_WaitAnimObjComplete(u8 taskId)
 {
     u8 spriteId = gTasks[taskId].data[0];
     
@@ -789,23 +791,23 @@ void AnimTask_ThrowBallSpecial(u8 taskId)
     gSprites[spriteId].data[1] = GetBattlerSpriteCoord(gBattleAnimTarget, BATTLER_COORD_X);
     gSprites[spriteId].data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, BATTLER_COORD_Y) - 16;
     gSprites[spriteId].callback = SpriteCallbackDummy;
-    gSprites[gBattlerSpriteIds[GetBattlerAtPosition(B_POSITION_PLAYER_LEFT)]].callback = sub_8012354;
+    gSprites[gBattlerSpriteIds[GetBattlerAtPosition(B_POSITION_PLAYER_LEFT)]].callback = SpriteCB_PlayerThrowInit;
     gTasks[taskId].data[0] = spriteId;
-    gTasks[taskId].func = sub_80EF7EC;
+    gTasks[taskId].func = AnimTask_ThrowBallSpecial_PlaySfx;
 }
 
-static void sub_80EF7EC(u8 taskId)
+static void AnimTask_ThrowBallSpecial_PlaySfx(u8 taskId)
 {
     if (gSprites[gBattlerSpriteIds[GetBattlerAtPosition(B_POSITION_PLAYER_LEFT)]].animCmdIndex == 1)
     {
         PlaySE12WithPanning(SE_BALL_THROW, 0);
-        gSprites[gTasks[taskId].data[0]].callback = sub_80EF8C0;
-        CreateTask(sub_80EF864, 10);
-        gTasks[taskId].func = sub_80EF698;
+        gSprites[gTasks[taskId].data[0]].callback = SpriteCB_ThrowBall_Init;
+        CreateTask(AnimTask_ThrowBallSpecial_ResetPlayerSprite, 10);
+        gTasks[taskId].func = AnimTask_ThrowBall_WaitAnimObjComplete;
     }
 }
 
-static void sub_80EF864(u8 taskId)
+static void AnimTask_ThrowBallSpecial_ResetPlayerSprite(u8 taskId)
 {
     if (gSprites[gBattlerSpriteIds[GetBattlerAtPosition(B_POSITION_PLAYER_LEFT)]].animEnded)
     {
@@ -814,21 +816,21 @@ static void sub_80EF864(u8 taskId)
     }
 }
 
-static void sub_80EF8C0(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_Init(struct Sprite *sprite)
 {
-    u16 temp = sprite->data[1];
-    u16 temp2 = sprite->data[2];
+    u16 destX = sprite->data[1];
+    u16 destY = sprite->data[2];
     
-    sprite->data[1] = sprite->pos1.x;
-    sprite->data[2] = temp;
-    sprite->data[3] = sprite->pos1.y;
-    sprite->data[4] = temp2;
-    sprite->data[5] = -40;
+    sprite->sTransl_InitX = sprite->pos1.x;
+    sprite->sTransl_DestX = destX;
+    sprite->sTransl_InitY = sprite->pos1.y;
+    sprite->sTransl_DestY = destY;
+    sprite->sTransl_ArcAmpl = -40;
     InitAnimArcTranslation(sprite);
-    sprite->callback = sub_80EF8F0;
+    sprite->callback = SpriteCB_ThrowBall_ArcFlight;
 }
 
-static void sub_80EF8F0(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_ArcFlight(struct Sprite *sprite)
 {
     int i;
     u8 ballId;
@@ -837,7 +839,7 @@ static void sub_80EF8F0(struct Sprite *sprite)
     {
         if (gBattleSpritesDataPtr->animationData->ballThrowCaseId == BALL_TRAINER_BLOCK)
         {
-            sprite->callback = sub_80F0478;
+            sprite->callback = TrainerBallBlock;
         }
         else if (gBattleSpritesDataPtr->animationData->ballThrowCaseId == BALL_GHOST_DODGE)
         {
@@ -855,7 +857,7 @@ static void sub_80EF8F0(struct Sprite *sprite)
                 sprite->data[i] = 0;
 
             sprite->data[5] = 0;
-            sprite->callback = sub_80EF9B4;
+            sprite->callback = SpriteCB_ThrowBall_TenFrameDelay;
 
             ballId = ItemIdToBallId(gLastUsedItem);
             switch (ballId)
@@ -869,17 +871,17 @@ static void sub_80EF8F0(struct Sprite *sprite)
     }
 }
 
-static void sub_80EF9B4(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_TenFrameDelay(struct Sprite *sprite)
 {
     if (++sprite->data[5] == 10)
     {
         sprite->data[5] = CreateTask(TaskDummy, 50);
-        sprite->callback = sub_80EFA0C;
+        sprite->callback = SpriteCB_ThrowBall_ShrinkMon;
         gSprites[gBattlerSpriteIds[gBattleAnimTarget]].data[1] = 0;
     }
 }
 
-static void sub_80EFA0C(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_ShrinkMon(struct Sprite *sprite)
 {
     u8 spriteId;
     u8 taskId;
@@ -894,10 +896,10 @@ static void sub_80EFA0C(struct Sprite *sprite)
     case 0:
         PrepareBattlerSpriteForRotScale(spriteId, ST_OAM_OBJ_NORMAL);
         gTasks[taskId].data[10] = 256;
-        sUnknown_3005424 = 28;
-        sUnknown_300542C = (gSprites[spriteId].pos1.y + gSprites[spriteId].pos2.y) - (sprite->pos1.y + sprite->pos2.y);
-        sUnknown_3005428 = (u32)(sUnknown_300542C * 256) / 28;
-        gTasks[taskId].data[2] = sUnknown_3005428;
+        gMonShrinkDuration = 28;
+        gMonShrinkDistance = (gSprites[spriteId].pos1.y + gSprites[spriteId].pos2.y) - (sprite->pos1.y + sprite->pos2.y);
+        gMonShrinkDelta = (gMonShrinkDistance * 256) / gMonShrinkDuration;
+        gTasks[taskId].data[2] = gMonShrinkDelta;
         gTasks[taskId].data[0]++;
         break;
     case 1:
@@ -919,13 +921,13 @@ static void sub_80EFA0C(struct Sprite *sprite)
             DestroyTask(taskId);
             StartSpriteAnim(sprite, 2);
             sprite->data[5] = 0;
-            sprite->callback = sub_80EFB58;
+            sprite->callback = SpriteCB_ThrowBall_InitialFall;
         }
         break;
     }
 }
 
-static void sub_80EFB58(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_InitialFall(struct Sprite *sprite)
 {
     int angle;
 
@@ -937,11 +939,11 @@ static void sub_80EFB58(struct Sprite *sprite)
         angle = 0;
         sprite->pos1.y += Cos(angle, 40);
         sprite->pos2.y = -Cos(angle, sprite->data[4]);
-        sprite->callback = sub_80EFB9C;
+        sprite->callback = SpriteCB_ThrowBall_Bounce;
     }
 }
 
-static void sub_80EFB9C(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_Bounce(struct Sprite *sprite)
 {
     bool8 lastBounce;
     int bounceCount;
@@ -998,18 +1000,18 @@ static void sub_80EFB9C(struct Sprite *sprite)
         if (gBattleSpritesDataPtr->animationData->ballThrowCaseId == BALL_NO_SHAKES)
         {
             sprite->data[5] = 0;
-            sprite->callback = sub_80EFF80;
+            sprite->callback = SpriteCB_ThrowBall_DelayThenBreakOut;
         }
         else
         {
-            sprite->callback = sub_80EFCA0;
+            sprite->callback = SpriteCB_ThrowBall_InitShake;
             sprite->data[4] = 1;
             sprite->data[5] = 0;
         }
     }
 }
 
-static void sub_80EFCA0(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_InitShake(struct Sprite *sprite)
 {
     if (++sprite->data[3] == 31)
     {
@@ -1017,12 +1019,12 @@ static void sub_80EFCA0(struct Sprite *sprite)
         sprite->affineAnimPaused = TRUE;
         StartSpriteAffineAnim(sprite, 1);
         gBattleSpritesDataPtr->animationData->field_C = 0;
-        sprite->callback = sub_80EFCEC;
+        sprite->callback = SpriteCB_ThrowBall_DoShake;
         PlaySE(SE_BALL);
     }
 }
 
-static void sub_80EFCEC(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_DoShake(struct Sprite *sprite)
 {
     s8 state;
     u16 var0;
@@ -1132,13 +1134,13 @@ static void sub_80EFCEC(struct Sprite *sprite)
         if (state == gBattleSpritesDataPtr->animationData->ballThrowCaseId)
         {
             sprite->affineAnimPaused = TRUE;
-            sprite->callback = sub_80EFF80;
+            sprite->callback = SpriteCB_ThrowBall_DelayThenBreakOut;
         }
         else
         {
             if (gBattleSpritesDataPtr->animationData->ballThrowCaseId == BALL_3_SHAKES_SUCCESS && state == 3)
             {
-                sprite->callback = sub_80EFFA4;
+                sprite->callback = SpriteCB_ThrowBall_InitClick;
                 sprite->affineAnimPaused = TRUE;
             }
             else
@@ -1166,25 +1168,25 @@ static void sub_80EFCEC(struct Sprite *sprite)
     }
 }
 
-static void sub_80EFF80(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_DelayThenBreakOut(struct Sprite *sprite)
 {
     if (++sprite->data[5] == 31)
     {
         sprite->data[5] = 0;
-        sprite->callback = sub_80F02B0;
+        sprite->callback = SpriteCB_ThrowBall_BeginBreakOut;
     }
 }
 
-static void sub_80EFFA4(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_InitClick(struct Sprite *sprite)
 {
     sprite->animPaused = TRUE;
-    sprite->callback = sub_80EFFC4;
+    sprite->callback = SpriteCB_ThrowBall_DoClick;
     sprite->data[3] = 0;
     sprite->data[4] = 0;
     sprite->data[5] = 0;
 }
 
-static void sub_80EFFC4(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_DoClick(struct Sprite *sprite)
 {
     u8 *battler = &gBattleAnimTarget;
 
@@ -1193,7 +1195,7 @@ static void sub_80EFFC4(struct Sprite *sprite)
     {
         PlaySE(SE_BALL_CLICK);
         BlendPalettes(0x10000 << sprite->oam.paletteNum, 6, RGB_BLACK);
-        sub_80F01B8(sprite);
+        CreateStarsWhenBallClicks(sprite);
     }
     else if (sprite->data[4] == 60)
     {
@@ -1211,11 +1213,11 @@ static void sub_80EFFC4(struct Sprite *sprite)
         FreeOamMatrix(gSprites[gBattlerSpriteIds[*battler]].oam.matrixNum);
         DestroySprite(&gSprites[gBattlerSpriteIds[*battler]]);
         sprite->data[0] = 0;
-        sprite->callback = sub_80F00A4;
+        sprite->callback = SpriteCB_ThrowBall_FinishClick;
     }
 }
 
-static void sub_80F00A4(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_FinishClick(struct Sprite *sprite)
 {
     u8 paletteIndex;
 
@@ -1251,13 +1253,13 @@ static void sub_80F00A4(struct Sprite *sprite)
             SetGpuReg(REG_OFFSET_BLDCNT, 0);
             SetGpuReg(REG_OFFSET_BLDALPHA, 0);
             sprite->data[0] = 0;
-            sprite->callback = sub_80F018C;
+            sprite->callback = BattleAnimObj_SignalEnd;
         }
         break;
     }
 }
 
-static void sub_80F018C(struct Sprite *sprite)
+static void BattleAnimObj_SignalEnd(struct Sprite *sprite)
 {
     if (sprite->data[0] == 0)
     {
@@ -1270,7 +1272,7 @@ static void sub_80F018C(struct Sprite *sprite)
     }
 }
 
-static void sub_80F01B8(struct Sprite *sprite)
+static void CreateStarsWhenBallClicks(struct Sprite *sprite)
 {
     u32 i;
     u8 subpriority;
@@ -1285,37 +1287,37 @@ static void sub_80F01B8(struct Sprite *sprite)
         sprite->subpriority = 1;
     }
 
-    sub_80F05B4(4);
+    LoadBallParticleGfx(BALL_MASTER);
     for (i = 0; i < 3; i++)
     {
-        u8 spriteId = CreateSprite(&sBallParticlesSpriteTemplates[4], sprite->pos1.x, sprite->pos1.y, subpriority);
+        u8 spriteId = CreateSprite(&sBallParticlesSpriteTemplates[BALL_MASTER], sprite->pos1.x, sprite->pos1.y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            gSprites[spriteId].data[0] = 24;
-            gSprites[spriteId].data[2] = sprite->pos1.x + sBallCaptureSuccessStarData[i].xOffset;
-            gSprites[spriteId].data[4] = sprite->pos1.y + sBallCaptureSuccessStarData[i].yOffset;
-            gSprites[spriteId].data[5] = sBallCaptureSuccessStarData[i].unk2;
+            gSprites[spriteId].sTransl_Speed = 24;
+            gSprites[spriteId].sTransl_DestX = sprite->pos1.x + sCaptureStar[i].xOffset;
+            gSprites[spriteId].sTransl_DestY = sprite->pos1.y + sCaptureStar[i].yOffset;
+            gSprites[spriteId].sTransl_ArcAmpl = sCaptureStar[i].amplitude;
             InitAnimArcTranslation(&gSprites[spriteId]);
-            gSprites[spriteId].callback = sub_80F0278;
-            StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[4]);
+            gSprites[spriteId].callback = SpriteCB_BallCaptureSuccessStar;
+            StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[BALL_MASTER]);
         }
     }
 }
 
-static void sub_80F0278(struct Sprite *sprite)
+static void SpriteCB_BallCaptureSuccessStar(struct Sprite *sprite)
 {
     sprite->invisible = !sprite->invisible;
     if (TranslateAnimHorizontalArc(sprite))
         DestroySprite(sprite);
 }
 
-static void sub_80F02B0(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_BeginBreakOut(struct Sprite *sprite)
 {
     u8 ballId;
 
     StartSpriteAnim(sprite, 1);
     StartSpriteAffineAnim(sprite, 0);
-    sprite->callback = sub_80F0378;
+    sprite->callback = SpriteCB_ThrowBall_RunBreakOut;
     ballId = ItemIdToBallId(gLastUsedItem);
     switch (ballId)
     {
@@ -1331,7 +1333,7 @@ static void sub_80F02B0(struct Sprite *sprite)
     gSprites[gBattlerSpriteIds[gBattleAnimTarget]].data[1] = 0x1000;
 }
 
-static void sub_80F0378(struct Sprite *sprite)
+static void SpriteCB_ThrowBall_RunBreakOut(struct Sprite *sprite)
 {
     bool32 next = FALSE;
 
@@ -1354,13 +1356,13 @@ static void sub_80F0378(struct Sprite *sprite)
         gSprites[gBattlerSpriteIds[gBattleAnimTarget]].pos2.y = 0;
         gSprites[gBattlerSpriteIds[gBattleAnimTarget]].invisible = gBattleSpritesDataPtr->animationData->field_9_x2;
         sprite->data[0] = 0;
-        sprite->callback = sub_80F018C;
+        sprite->callback = BattleAnimObj_SignalEnd;
         gDoingBattleAnim = FALSE;
         UpdateOamPriorityInAllHealthboxes(1);
     }
 }
 
-static void sub_80F0478(struct Sprite *sprite)
+static void TrainerBallBlock(struct Sprite *sprite)
 {
     int i;
 
@@ -1370,10 +1372,10 @@ static void sub_80F0478(struct Sprite *sprite)
     for (i = 0; i < 6; i++)
         sprite->data[i] = 0;
 
-    sprite->callback = sub_80F04B4;
+    sprite->callback = TrainerBallBlock2;
 }
 
-static void sub_80F04B4(struct Sprite *sprite)
+static void TrainerBallBlock2(struct Sprite *sprite)
 {
     s16 var0 = sprite->data[0] + 0x800;
     s16 var1 = sprite->data[1] + 0x680;
@@ -1386,7 +1388,7 @@ static void sub_80F04B4(struct Sprite *sprite)
      || sprite->pos1.x + sprite->pos2.x < -8)
     {
         sprite->data[0] = 0;
-        sprite->callback = sub_80F018C;
+        sprite->callback = BattleAnimObj_SignalEnd;
         gDoingBattleAnim = FALSE;
         UpdateOamPriorityInAllHealthboxes(1);
     }
@@ -1405,10 +1407,10 @@ static void GhostBallDodge(struct Sprite *sprite)
     sprite->data[5] = 0x20;
     InitAnimArcTranslation(sprite);
     TranslateAnimVerticalArc(sprite);
-    sprite->callback = sub_80F0574;
+    sprite->callback = GhostBallDodge2;
 }
 
-static void sub_80F0574(struct Sprite *sprite)
+static void GhostBallDodge2(struct Sprite *sprite)
 {
     if (!TranslateAnimVerticalArc(sprite))
     {
@@ -1417,15 +1419,13 @@ static void sub_80F0574(struct Sprite *sprite)
     }
     
     sprite->data[0] = 0;
-    sprite->callback = sub_80F018C;
+    sprite->callback = BattleAnimObj_SignalEnd;
     gDoingBattleAnim = FALSE;
     UpdateOamPriorityInAllHealthboxes(1);
 }
 
-static void sub_80F05B4(u8 ballId)
+static void LoadBallParticleGfx(u8 ballId)
 {
-    u8 taskId;
-
     if (GetSpriteTileStartByTag(gBallParticleSpritesheets[ballId].tag) == 0xFFFF)
     {
         LoadCompressedSpriteSheetUsingHeap(&gBallParticleSpritesheets[ballId]);
@@ -1437,7 +1437,7 @@ u8 LaunchBallStarsTask(u8 x, u8 y, u8 priority, u8 subpriority, u8 ballId)
 {
     u8 taskId;
 
-    sub_80F05B4(ballId);
+    LoadBallParticleGfx(ballId);
     taskId = CreateTask(sBallParticleAnimationFuncs[ballId], 5);
     gTasks[taskId].data[1] = x;
     gTasks[taskId].data[2] = y;
@@ -1448,7 +1448,7 @@ u8 LaunchBallStarsTask(u8 x, u8 y, u8 priority, u8 subpriority, u8 ballId)
     return taskId;
 }
 
-void sub_80F0674(void)
+static void IncrementBattleParticleCounter(void)
 {
     if (gMain.inBattle)
         gBattleSpritesDataPtr->animationData->field_A++;
@@ -1473,7 +1473,7 @@ static void PokeBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = PokeBallOpenParticleAnimation_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1532,7 +1532,7 @@ static void TimerBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1566,7 +1566,7 @@ static void DiveBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1601,7 +1601,7 @@ static void SafariBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1636,7 +1636,7 @@ static void UltraBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1677,7 +1677,7 @@ static void GreatBallOpenParticleAnimation(u8 taskId)
             spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
             if (spriteId != MAX_SPRITES)
             {
-                sub_80F0674();
+                IncrementBattleParticleCounter();
                 StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
                 gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
                 gSprites[spriteId].oam.priority = priority;
@@ -1727,7 +1727,7 @@ static void RepeatBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = RepeatBallOpenParticleAnimation_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1771,7 +1771,7 @@ static void MasterBallOpenParticleAnimation(u8 taskId)
             spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
             if (spriteId != MAX_SPRITES)
             {
-                sub_80F0674();
+                IncrementBattleParticleCounter();
                 StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
                 gSprites[spriteId].callback = FanOutBallOpenParticles_Step1;
                 gSprites[spriteId].oam.priority = priority;
@@ -1815,7 +1815,7 @@ static void PremierBallOpenParticleAnimation(u8 taskId)
         spriteId = CreateSprite(&sBallParticlesSpriteTemplates[ballId], x, y, subpriority);
         if (spriteId != MAX_SPRITES)
         {
-            sub_80F0674();
+            IncrementBattleParticleCounter();
             StartSpriteAnim(&gSprites[spriteId], sBallParticleAnimNums[ballId]);
             gSprites[spriteId].callback = PremierBallOpenParticleAnimation_Step1;
             gSprites[spriteId].oam.priority = priority;
@@ -1875,7 +1875,7 @@ u8 LaunchBallFadeMonTask(bool8 unfadeLater, u8 battler, u32 selectedPalettes, u8
 {
     u8 taskId;
 
-    taskId = CreateTask(sub_80F12E0, 5);
+    taskId = CreateTask(Task_FadeMon_ToBallColor, 5);
     gTasks[taskId].data[15] = ballId;
     gTasks[taskId].data[3] = battler;
     gTasks[taskId].data[10] = selectedPalettes;
@@ -1891,14 +1891,14 @@ u8 LaunchBallFadeMonTask(bool8 unfadeLater, u8 battler, u32 selectedPalettes, u8
         BlendPalette(battler * 16 + 0x100, 16, 16, sBallOpenFadeColors[ballId]);
         gTasks[taskId].data[0] = 16;
         gTasks[taskId].data[1] = -1;
-        gTasks[taskId].func = sub_80F1370;
+        gTasks[taskId].func = Task_FadeMon_ToNormal;
     }
 
     BeginNormalPaletteFade(selectedPalettes, 0, 0, 16, RGB_WHITE);
     return taskId;
 }
 
-static void sub_80F12E0(u8 taskId)
+static void Task_FadeMon_ToBallColor(u8 taskId)
 {
     u8 ballId = gTasks[taskId].data[15];
 
@@ -1916,17 +1916,17 @@ static void sub_80F12E0(u8 taskId)
     }
 }
 
-static void sub_80F1370(u8 taskId)
+static void Task_FadeMon_ToNormal(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
         u32 selectedPalettes = (u16)gTasks[taskId].data[10] | ((u16)gTasks[taskId].data[11] << 16);
         BeginNormalPaletteFade(selectedPalettes, 0, 16, 0, RGB_WHITE);
-        gTasks[taskId].func = sub_80F13C0;
+        gTasks[taskId].func = Task_FadeMon_ToNormal_Step;
     }
 }
 
-static void sub_80F13C0(u8 taskId)
+static void Task_FadeMon_ToNormal_Step(u8 taskId)
 {
     u8 ballId = gTasks[taskId].data[15];
 
@@ -2046,7 +2046,7 @@ void AnimTask_TargetToEffectBattler(u8 taskId)
     DestroyAnimVisualTask(taskId);
 }
 
-void sub_80F1720(u8 battler, struct Pokemon *mon)
+void TryShinyAnimation(u8 battler, struct Pokemon *mon)
 {
     bool32 isShiny;
     u32 otId, personality;
@@ -2054,7 +2054,7 @@ void sub_80F1720(u8 battler, struct Pokemon *mon)
     u8 taskId1, taskId2;
 
     isShiny = FALSE;
-    gBattleSpritesDataPtr->healthBoxesData[battler].flag_x80 = 1;
+    gBattleSpritesDataPtr->healthBoxesData[battler].triedShinyMonAnim = TRUE;
     otId = GetMonData(mon, MON_DATA_OT_ID);
     personality = GetMonData(mon, MON_DATA_PERSONALITY);
 
@@ -2072,8 +2072,8 @@ void sub_80F1720(u8 battler, struct Pokemon *mon)
                 LoadCompressedSpritePaletteUsingHeap(&gBattleAnimPaletteTable[ANIM_TAG_GOLD_STARS - ANIM_SPRITES_START]);
             }
 
-            taskId1 = CreateTask(sub_80F181C, 10);
-            taskId2 = CreateTask(sub_80F181C, 10);
+            taskId1 = CreateTask(AnimTask_ShinySparkles, 10);
+            taskId2 = CreateTask(AnimTask_ShinySparkles, 10);
             gTasks[taskId1].data[0] = battler;
             gTasks[taskId2].data[0] = battler;
             gTasks[taskId1].data[1] = 0;
@@ -2082,10 +2082,10 @@ void sub_80F1720(u8 battler, struct Pokemon *mon)
         }
     }
 
-    gBattleSpritesDataPtr->healthBoxesData[battler].field_1_x1 = 1;
+    gBattleSpritesDataPtr->healthBoxesData[battler].finishedShinyMonAnim = 1;
 }
 
-static void sub_80F181C(u8 taskId)
+static void AnimTask_ShinySparkles(u8 taskId)
 {
     u8 battler;
     u8 x, y;
@@ -2128,11 +2128,11 @@ static void sub_80F181C(u8 taskId)
 
     if (gTasks[taskId].data[1] == FALSE)
     {
-        gSprites[spriteId].callback = sub_80F1A2C;
+        gSprites[spriteId].callback = SpriteCB_ShinySparkles_1;
     }
     else
     {
-        gSprites[spriteId].callback = sub_80F1A80;
+        gSprites[spriteId].callback = SpriteCB_ShinySparkles_2;
         gSprites[spriteId].pos2.x = -32;
         gSprites[spriteId].pos2.y = 32;
         gSprites[spriteId].invisible = TRUE;
@@ -2153,10 +2153,10 @@ static void sub_80F181C(u8 taskId)
         gTasks[taskId].data[12]++;
 
     if (gTasks[taskId].data[11] == 5)
-        gTasks[taskId].func = sub_80F19E0;
+        gTasks[taskId].func = AnimTask_ShinySparkles_WaitSparkles;
 }
 
-static void sub_80F19E0(u8 taskId)
+static void AnimTask_ShinySparkles_WaitSparkles(u8 taskId)
 {
     u8 battler;
 
@@ -2165,14 +2165,14 @@ static void sub_80F19E0(u8 taskId)
         if (gTasks[taskId].data[1] == TRUE)
         {
             battler = gTasks[taskId].data[0];
-            gBattleSpritesDataPtr->healthBoxesData[battler].field_1_x1 = 1;
+            gBattleSpritesDataPtr->healthBoxesData[battler].finishedShinyMonAnim = 1;
         }
 
         DestroyTask(taskId);
     }
 }
 
-static void sub_80F1A2C(struct Sprite *sprite)
+static void SpriteCB_ShinySparkles_1(struct Sprite *sprite)
 {
     sprite->pos2.x = Sin(sprite->data[1], 24);
     sprite->pos2.y = Cos(sprite->data[1], 24);
@@ -2185,7 +2185,7 @@ static void sub_80F1A2C(struct Sprite *sprite)
     }
 }
 
-static void sub_80F1A80(struct Sprite *sprite)
+static void SpriteCB_ShinySparkles_2(struct Sprite *sprite)
 {
     if (sprite->data[1] < 4)
     {
@@ -2207,7 +2207,7 @@ static void sub_80F1A80(struct Sprite *sprite)
 
 void AnimTask_LoadBaitGfx(u8 taskId)
 {
-    u8 paletteIndex;
+    UNUSED u8 paletteIndex;
 
     LoadCompressedSpriteSheetUsingHeap(&gBattleAnimPicTable[ANIM_TAG_SAFARI_BAIT - ANIM_SPRITES_START]);
     LoadCompressedSpritePaletteUsingHeap(&gBattleAnimPaletteTable[ANIM_TAG_SAFARI_BAIT - ANIM_SPRITES_START]);
@@ -2222,35 +2222,35 @@ void AnimTask_FreeBaitGfx(u8 taskId)
     DestroyAnimVisualTask(taskId);
 }
 
-static void sub_80F1B3C(struct Sprite *sprite)
+static void SpriteCB_SafariBaitOrRock_Init(struct Sprite *sprite)
 {
     InitSpritePosToAnimAttacker(sprite, 0);
-    sprite->data[0] = 30;
-    sprite->data[2] = GetBattlerSpriteCoord(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), BATTLER_COORD_X) + gBattleAnimArgs[2];
-    sprite->data[4] = GetBattlerSpriteCoord(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), BATTLER_COORD_Y) + gBattleAnimArgs[3];
-    sprite->data[5] = -32;
+    sprite->sTransl_Speed = 30;
+    sprite->sTransl_DestX = GetBattlerSpriteCoord(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), BATTLER_COORD_X) + gBattleAnimArgs[2];
+    sprite->sTransl_DestY = GetBattlerSpriteCoord(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), BATTLER_COORD_Y) + gBattleAnimArgs[3];
+    sprite->sTransl_ArcAmpl = -32;
     InitAnimArcTranslation(sprite);
-    gSprites[gBattlerSpriteIds[gBattleAnimAttacker]].callback = sub_8012354;
-    sprite->callback = sub_80F1BCC;
+    gSprites[gBattlerSpriteIds[gBattleAnimAttacker]].callback = SpriteCB_PlayerThrowInit;
+    sprite->callback = SpriteCB_SafariBaitOrRock_WaitPlayerThrow;
 }
 
-static void sub_80F1BCC(struct Sprite *sprite)
+static void SpriteCB_SafariBaitOrRock_WaitPlayerThrow(struct Sprite *sprite)
 {
     if (gSprites[gBattlerSpriteIds[gBattleAnimAttacker]].animCmdIndex == 1)
-        sprite->callback = sub_80F1C04;
+        sprite->callback = SpriteCB_SafariBaitOrRock_ArcFlight;
 }
 
-static void sub_80F1C04(struct Sprite *sprite)
+static void SpriteCB_SafariBaitOrRock_ArcFlight(struct Sprite *sprite)
 {
     if (TranslateAnimHorizontalArc(sprite))
     {
         sprite->data[0] = 0;
         sprite->invisible = TRUE;
-        sprite->callback = sub_80F1C30;
+        sprite->callback = SpriteCB_SafariBaitOrRock_Finish;
     }
 }
 
-static void sub_80F1C30(struct Sprite *sprite)
+static void SpriteCB_SafariBaitOrRock_Finish(struct Sprite *sprite)
 {
     if (gSprites[gBattlerSpriteIds[gBattleAnimAttacker]].animEnded)
     {
@@ -2262,7 +2262,7 @@ static void sub_80F1C30(struct Sprite *sprite)
     }
 }
 
-void sub_80F1C8C(u8 taskId)
+void AnimTask_SafariOrGhost_DecideAnimSides(u8 taskId)
 {
     switch (gBattleAnimArgs[0])
     {
@@ -2279,7 +2279,7 @@ void sub_80F1C8C(u8 taskId)
     DestroyAnimVisualTask(taskId);
 }
 
-void sub_80F1CE4(u8 taskId)
+void AnimTask_SafariGetReaction(u8 taskId)
 {
     if (gBattleCommunication[MULTISTRING_CHOOSER] > 2)
         gBattleAnimArgs[7] = 0;
diff --git a/src/battle_anim_utility_funcs.c b/src/battle_anim_utility_funcs.c
index e8042df92..ae2a4a407 100644
--- a/src/battle_anim_utility_funcs.c
+++ b/src/battle_anim_utility_funcs.c
@@ -33,9 +33,9 @@ static void sub_80BC19C(u8 taskId);
 
 static EWRAM_DATA struct AnimStatsChangeData *sAnimStatsChangeData = NULL;
 
-static const u16 gUnknown_83E7CC8[] = { RGB(31, 31, 31) };
-const u8 gUnknown_83E7CCA[] = { REG_OFFSET_BG0CNT, REG_OFFSET_BG1CNT, REG_OFFSET_BG2CNT, REG_OFFSET_BG3CNT };
-const u8 gUnknown_83E7CCE[] = { REG_OFFSET_BG0CNT, REG_OFFSET_BG1CNT, REG_OFFSET_BG2CNT, REG_OFFSET_BG3CNT };
+static const u16 sRgbWhite[] = { RGB(31, 31, 31) };
+const u8 gBattleAnimRegOffsBgCnt[] = { REG_OFFSET_BG0CNT, REG_OFFSET_BG1CNT, REG_OFFSET_BG2CNT, REG_OFFSET_BG3CNT };
+const u8 gBattleIntroRegOffsBgCnt[] = { REG_OFFSET_BG0CNT, REG_OFFSET_BG1CNT, REG_OFFSET_BG2CNT, REG_OFFSET_BG3CNT };
 
 // gBattleAnimArgs[0] is a bitfield.
 // Bits 0-10 result in the following palettes being selected:
@@ -331,12 +331,12 @@ void AnimTask_SetUpCurseBackground(u8 taskId)
         species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gBattleAnimAttacker]], MON_DATA_SPECIES);
     spriteId = GetAnimBattlerSpriteId(ANIM_ATTACKER);
     newSpriteId = sub_8076E34(gBattleAnimAttacker, spriteId, species);
-    sub_80752A0(&animBgData);
+    GetBattleAnimBg1Data(&animBgData);
     AnimLoadCompressedBgTilemap(animBgData.bgId, gFile_graphics_battle_anims_masks_curse_tilemap);
     if (IsContest())
         sub_80730C0(animBgData.paletteId, animBgData.bgTilemap, 0, 0);
     AnimLoadCompressedBgGfx(animBgData.bgId, gFile_graphics_battle_anims_masks_curse_sheet, animBgData.tilesOffset);
-    LoadPalette(gUnknown_83E7CC8, animBgData.paletteId * 16 + 1, 2);
+    LoadPalette(sRgbWhite, animBgData.paletteId * 16 + 1, 2);
     gBattle_BG1_X = -gSprites[spriteId].pos1.x + 32;
     gBattle_BG1_Y = -gSprites[spriteId].pos1.y + 32;
     gTasks[taskId].data[0] = newSpriteId;
@@ -358,7 +358,7 @@ static void sub_80BAF38(u8 taskId)
         gBattle_BG1_Y += 64;
         if (++gTasks[taskId].data[11] == 4)
         {
-            sub_8073128(0);
+            ResetBattleAnimBg(0);
             gBattle_WIN0H = 0;
             gBattle_WIN0V = 0;
             SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR
@@ -377,8 +377,8 @@ static void sub_80BAF38(u8 taskId)
             sprite = &gSprites[GetAnimBattlerSpriteId(ANIM_ATTACKER)]; // unused
             sprite = &gSprites[gTasks[taskId].data[0]];
             DestroySprite(sprite);
-            sub_80752A0(&animBgData);
-            sub_8075358(animBgData.bgId);
+            GetBattleAnimBg1Data(&animBgData);
+            InitBattleAnimBg(animBgData.bgId);
             if (gTasks[taskId].data[6] == 1)
                 ++gSprites[gBattlerSpriteIds[BATTLE_PARTNER(gBattleAnimAttacker)]].oam.priority;
             gBattle_BG1_Y = 0;
@@ -452,7 +452,7 @@ static void sub_80BB2A0(u8 taskId)
         battlerSpriteId = gBattlerSpriteIds[sAnimStatsChangeData->battler2];
         newSpriteId = sub_8076E34(sAnimStatsChangeData->battler2, battlerSpriteId, sAnimStatsChangeData->species);
     }
-    sub_80752A0(&animBgData);
+    GetBattleAnimBg1Data(&animBgData);
     if (sAnimStatsChangeData->data[0] == 0)
         AnimLoadCompressedBgTilemap(animBgData.bgId, gBattleStatMask1_Tilemap);
     else
@@ -548,7 +548,7 @@ static void sub_80BB4B8(u8 taskId)
             SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[12], 16 - gTasks[taskId].data[12]));
             if (gTasks[taskId].data[12] == 0)
             {
-                sub_8073128(0);
+                ResetBattleAnimBg(0);
                 ++gTasks[taskId].data[15];
             }
         }
@@ -663,7 +663,7 @@ void AnimTask_StartSlidingBg(u8 taskId)
 {
     u8 newTaskId;
 
-    sub_8075458(0);
+    ToggleBg3Mode(0);
     newTaskId = CreateTask(sub_80BB8A4, 5);
     if (gBattleAnimArgs[2] && GetBattlerSide(gBattleAnimAttacker) != B_SIDE_PLAYER)
     {
@@ -689,7 +689,7 @@ static void sub_80BB8A4(u8 taskId)
     {
         gBattle_BG3_X = 0;
         gBattle_BG3_Y = 0;
-        sub_8075458(1);
+        ToggleBg3Mode(1);
         DestroyTask(taskId);
     }
 }
@@ -755,7 +755,7 @@ void sub_80BBA20(u8 taskId, s32 unused, u16 arg2, u8 battler1, u8 arg4, u8 arg5,
     spriteId = sub_8076E34(battler1, gBattlerSpriteIds[battler1], species);
     if (arg4)
         newSpriteId = sub_8076E34(battler2, gBattlerSpriteIds[battler2], species);
-    sub_80752A0(&animBgData);
+    GetBattleAnimBg1Data(&animBgData);
     AnimLoadCompressedBgTilemap(animBgData.bgId, tilemap);
     if (IsContest())
         sub_80730C0(animBgData.paletteId, animBgData.bgTilemap, 0, 0);
@@ -805,7 +805,7 @@ static void sub_80BBC2C(u8 taskId)
             SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(gTasks[taskId].data[12], 16 - gTasks[taskId].data[12]));
             if (gTasks[taskId].data[12] == 0)
             {
-                sub_8073128(0);
+                ResetBattleAnimBg(0);
                 gBattle_WIN0H = 0;
                 gBattle_WIN0V = 0;
                 SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR
@@ -839,13 +839,13 @@ void AnimTask_GetBattleTerrain(u8 taskId)
 
 void AnimTask_AllocBackupPalBuffer(u8 taskId)
 {
-    gMonSpritesGfxPtr->field_17C = AllocZeroed(0x2000);
+    gMonSpritesGfxPtr->multiUseBuffer = AllocZeroed(0x2000);
     DestroyAnimVisualTask(taskId);
 }
 
 void AnimTask_FreeBackupPalBuffer(u8 taskId)
 {
-    FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_17C);
+    FREE_AND_SET_NULL(gMonSpritesGfxPtr->multiUseBuffer);
     DestroyAnimVisualTask(taskId);
 }
 
@@ -863,7 +863,7 @@ void AnimTask_CopyPalUnfadedToBackup(u8 taskId)
         paletteIndex = gBattleAnimAttacker + 16;
     else if (gBattleAnimArgs[0] == 2)
         paletteIndex = gBattleAnimTarget + 16;
-    memcpy(&gMonSpritesGfxPtr->field_17C[gBattleAnimArgs[1] * 16], &gPlttBufferUnfaded[paletteIndex * 16], 32);
+    memcpy(&gMonSpritesGfxPtr->multiUseBuffer[gBattleAnimArgs[1] * 16], &gPlttBufferUnfaded[paletteIndex * 16], 32);
     DestroyAnimVisualTask(taskId);
 }
 
@@ -881,7 +881,7 @@ void AnimTask_CopyPalUnfadedFromBackup(u8 taskId)
         paletteIndex = gBattleAnimAttacker + 16;
     else if (gBattleAnimArgs[0] == 2)
         paletteIndex = gBattleAnimTarget + 16;
-    memcpy(&gPlttBufferUnfaded[paletteIndex * 16], &gMonSpritesGfxPtr->field_17C[gBattleAnimArgs[1] * 16], 32);
+    memcpy(&gPlttBufferUnfaded[paletteIndex * 16], &gMonSpritesGfxPtr->multiUseBuffer[gBattleAnimArgs[1] * 16], 32);
     DestroyAnimVisualTask(taskId);
 }
 
diff --git a/src/battle_bg.c b/src/battle_bg.c
index e66180c4d..32d3e017a 100644
--- a/src/battle_bg.c
+++ b/src/battle_bg.c
@@ -85,7 +85,7 @@ static const struct SpriteTemplate sVsLetter_V_SpriteTemplate = {
     .oam = &gOamData_82482A0,
     .anims = gDummySpriteAnimTable,
     .affineAnims = gAffineAnimTable_82482E0,
-    .callback = nullsub_9
+    .callback = SpriteCB_VsLetterDummy
 };
 
 static const struct SpriteTemplate sVsLetter_S_SpriteTemplate = {
@@ -94,7 +94,7 @@ static const struct SpriteTemplate sVsLetter_S_SpriteTemplate = {
     .oam = &gOamData_82482A8,
     .anims = gDummySpriteAnimTable,
     .affineAnims = gAffineAnimTable_82482E0,
-    .callback = nullsub_9
+    .callback = SpriteCB_VsLetterDummy
 };
 
 static const struct CompressedSpriteSheet sVsLettersSpriteSheet = {
@@ -584,7 +584,7 @@ UNUSED void CreateUnknownDebugSprite(void)
     u8 spriteId;
 
     ResetSpriteData();
-    spriteId = CreateSprite(&gUnknown_824EFF0, 0, 0, 0);
+    spriteId = CreateSprite(&gUnknownDebugSprite, 0, 0, 0);
     gSprites[spriteId].invisible = TRUE;
     SetMainCallback2(CB2_unused);
 }
diff --git a/src/battle_controller_link_opponent.c b/src/battle_controller_link_opponent.c
index f3966e832..62e17df32 100644
--- a/src/battle_controller_link_opponent.c
+++ b/src/battle_controller_link_opponent.c
@@ -79,11 +79,11 @@ static u32 CopyLinkOpponentMonData(u8 monId, u8 *dst);
 static void SetLinkOpponentMonData(u8 monId);
 static void DoSwitchOutAnimation(void);
 static void LinkOpponentDoMoveAnimation(void);
-static void sub_803AEDC(void);
-static void sub_803C550(u8 battlerId, bool8 dontClearSubstituteBit);
-static void sub_803D564(u8 taskId);
-static void sub_803D648(struct Sprite *sprite);
-static void sub_803D790(void);
+static void SwitchIn_HandleSoundAndEnd(void);
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit);
+static void Task_StartSendOutAnim(u8 taskId);
+static void SpriteCB_FreeOpponentSprite(struct Sprite *sprite);
+static void EndDrawPartyStatusSummary(void);
 
 static void (*const sLinkOpponentBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 {
@@ -147,7 +147,7 @@ static void (*const sLinkOpponentBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 };
 
 
-static void nullsub_19(void)
+static void LinkOpponentDummy(void)
 {
 }
 
@@ -173,7 +173,7 @@ static void CompleteOnBattlerSpriteCallbackDummy(void)
         LinkOpponentBufferExecCompleted();
 }
 
-static void sub_803A70C(void)
+static void FreeTrainerSpriteAfterSlide(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
@@ -185,16 +185,16 @@ static void sub_803A70C(void)
     }
 }
 
-static void sub_803A79C(void)
+static void Intro_DelayAndEnd(void)
 {
-    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 0xFF)
+    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 0xFF)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         LinkOpponentBufferExecCompleted();
     }
 }
 
-static void sub_803A7E4(void)
+static void Intro_WaitForShinyAnimAndHealthbox(void)
 {
     bool8 var = FALSE;
 
@@ -214,15 +214,15 @@ static void sub_803A7E4(void)
     {
         if (GetBattlerPosition(gActiveBattler) == B_POSITION_OPPONENT_LEFT)
         {
-            if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 
-             || !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1)
+            if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim
+             || !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim)
                 return;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1 = 0;
-            FreeSpriteTilesByTag(0x27F9);
-            FreeSpritePaletteByTag(0x27F9);
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim = 0;
+            FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+            FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         }
         if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
         {
@@ -233,63 +233,63 @@ static void sub_803A7E4(void)
         {
             m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 256);
         }
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 3;
-        gBattlerControllerFuncs[gActiveBattler] = sub_803A79C;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 3;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_DelayAndEnd;
     }
 }
 
-static void sub_803A9CC(void)
+static void Intro_TryShinyAnimShowHealthbox(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
-            sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80)
-            sub_80F1720(gActiveBattler ^ BIT_FLANK, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
+            TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim)
+            TryShinyAnimation(gActiveBattler ^ BIT_FLANK, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
         if (gBattleTypeFlags & BATTLE_TYPE_MULTI && GetBattlerPosition(gActiveBattler) == 3)
         {
-            if (++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 1)
+            if (++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 1)
                 return;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         }
         if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                      &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler ^ BIT_FLANK);
+            StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
             SetBattlerShadowSpriteCallback(gActiveBattler ^ BIT_FLANK, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]], MON_DATA_SPECIES));
         }
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-        gBattlerControllerFuncs[gActiveBattler] = sub_803A7E4;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 0;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForShinyAnimAndHealthbox;
     }
 }
 
-static void sub_803AC14(void)
+static void TryShinyAnimAfterMonAnim(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].animEnded == TRUE
      && gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x == 0)
     {
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
         {
-            sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+            TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
         }
-        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
         {
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-            FreeSpriteTilesByTag(0x27F9);
-            FreeSpritePaletteByTag(0x27F9);
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+            FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+            FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
             LinkOpponentBufferExecCompleted();
         }
     }
@@ -306,7 +306,7 @@ static void CompleteOnHealthbarDone(void)
         LinkOpponentBufferExecCompleted();
 }
 
-static void sub_803AD20(void)
+static void HideHealthboxAfterMonFaint(void)
 {
     if (!gSprites[gBattlerSpriteIds[gActiveBattler]].inUse)
     {
@@ -315,7 +315,7 @@ static void sub_803AD20(void)
     }
 }
 
-static void sub_803AD64(void)
+static void FreeMonSpriteAfterSwitchOutAnim(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -352,17 +352,17 @@ static void DoHitAnimBlinkSpriteEffect(void)
     }
 }
 
-static void sub_803AE6C(void)
+static void SwitchIn_ShowSubstitute(void)
 {
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
         if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
-        gBattlerControllerFuncs[gActiveBattler] = sub_803AEDC;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_HandleSoundAndEnd;
     }
 }
 
-static void sub_803AEDC(void)
+static void SwitchIn_HandleSoundAndEnd(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive && !IsCryPlayingOrClearCrySongs())
     {
@@ -371,35 +371,35 @@ static void sub_803AEDC(void)
     }
 }
 
-static void sub_803AF28(void)
+static void SwitchIn_ShowHealthbox(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 0);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler], &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         CopyBattleSpriteInvisibility(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_803AE6C;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowSubstitute;
     }
 }
 
-static void sub_803AFFC(void)
+static void SwitchIn_TryShinyAnim(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive
-     && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
-        sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+     && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
+        TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
 
-    if (gSprites[gUnknown_3004FFC[gActiveBattler]].callback == SpriteCallbackDummy
+    if (gSprites[gBattleControllerData[gActiveBattler]].callback == SpriteCallbackDummy
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
     {
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-        gBattlerControllerFuncs[gActiveBattler] = sub_803AF28;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowHealthbox;
     }
 }
 
@@ -1029,38 +1029,38 @@ static void LinkOpponentHandleLoadMonSprite(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], gBattleMonForms[gActiveBattler]);
     SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-    gBattlerControllerFuncs[gActiveBattler] = sub_803AC14;
+    gBattlerControllerFuncs[gActiveBattler] = TryShinyAnimAfterMonAnim;
 }
 
 static void LinkOpponentHandleSwitchInAnim(void)
 {
     gBattlerPartyIndexes[gActiveBattler] = gBattleBufferA[gActiveBattler][1];
-    sub_803C550(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
-    gBattlerControllerFuncs[gActiveBattler] = sub_803AFFC;
+    StartSendOutAnim(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
+    gBattlerControllerFuncs[gActiveBattler] = SwitchIn_TryShinyAnim;
 }
 
-static void sub_803C550(u8 battlerId, bool8 dontClearSubstituteBit)
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit)
 {
     u16 species;
 
     ClearTemporarySpeciesSpriteData(battlerId, dontClearSubstituteBit);
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gEnemyParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     BattleLoadOpponentMonSpriteGfx(&gEnemyParty[gBattlerPartyIndexes[battlerId]], battlerId);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
                                                 GetBattlerSpriteCoord(battlerId, 2),
                                                 GetBattlerSpriteDefault_Y(battlerId),
                                                 GetBattlerSpriteSubpriority(battlerId));
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_OPPONENT_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_OPPONENT_SENDOUT);
 }
 
 static void LinkOpponentHandleReturnMonToBall(void)
@@ -1095,7 +1095,7 @@ static void DoSwitchOutAnimation(void)
         {
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_OPPONENT_MON);
-            gBattlerControllerFuncs[gActiveBattler] = sub_803AD64;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterSwitchOutAnim;
         }
         break;
     }
@@ -1135,7 +1135,7 @@ static void LinkOpponentHandleDrawTrainerPic(void)
         xPos = 176;
         if (gTrainerBattleOpponent_A == TRAINER_OPPONENT_C00)
         {
-            trainerPicId = sub_80447AC();
+            trainerPicId = GetUnionRoomTrainerPic();
         }
         else if ((gLinkPlayers[GetMultiplayerId() ^ BIT_SIDE].version & 0xFF) == VERSION_RUBY
               || (gLinkPlayers[GetMultiplayerId() ^ BIT_SIDE].version & 0xFF) == VERSION_SAPPHIRE
@@ -1167,7 +1167,7 @@ static void LinkOpponentHandleDrawTrainerPic(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum;
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum = GetSpriteTileStartByTag(gTrainerFrontPicTable[trainerPicId].tag);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.affineParam = trainerPicId;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -1184,7 +1184,7 @@ static void LinkOpponentHandleTrainerSlideBack(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCallbackDummy);
-    gBattlerControllerFuncs[gActiveBattler] = sub_803A70C;
+    gBattlerControllerFuncs[gActiveBattler] = FreeTrainerSpriteAfterSlide;
 }
 
 static void LinkOpponentHandleFaintAnimation(void)
@@ -1202,7 +1202,7 @@ static void LinkOpponentHandleFaintAnimation(void)
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             PlaySE12WithPanning(SE_FAINT, SOUND_PAN_TARGET);
             gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintOpponentMon;
-            gBattlerControllerFuncs[gActiveBattler] = sub_803AD20;
+            gBattlerControllerFuncs[gActiveBattler] = HideHealthboxAfterMonFaint;
         }
     }
 }
@@ -1229,7 +1229,7 @@ static void LinkOpponentHandlePause(void)
 
 static void LinkOpponentHandleMoveAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u16 move = gBattleBufferA[gActiveBattler][1] | (gBattleBufferA[gActiveBattler][2] << 8);
 
@@ -1271,7 +1271,7 @@ static void LinkOpponentDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(0);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -1280,7 +1280,7 @@ static void LinkOpponentDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(1);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute && multihit < 2)
             {
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
@@ -1309,7 +1309,7 @@ static void LinkOpponentHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
+    if (BattleStringShouldBeColored(*stringId))
         BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
@@ -1380,7 +1380,7 @@ static void LinkOpponentHandleExpUpdate(void)
 
 static void LinkOpponentHandleStatusIconUpdate(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 battlerId;
 
@@ -1393,7 +1393,7 @@ static void LinkOpponentHandleStatusIconUpdate(void)
 
 static void LinkOpponentHandleStatusAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         InitAndLaunchChosenStatusAnimation(gBattleBufferA[gActiveBattler][1],
                         gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8) | (gBattleBufferA[gActiveBattler][4] << 16) | (gBattleBufferA[gActiveBattler][5] << 24));
@@ -1532,16 +1532,16 @@ static void LinkOpponentHandleIntroTrainerBallThrow(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 280;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
-    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_803D648);
-    taskId = CreateTask(sub_803D564, 5);
+    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreeOpponentSprite);
+    taskId = CreateTask(Task_StartSendOutAnim, 5);
     gTasks[taskId].data[0] = gActiveBattler;
     if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
         gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-    gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-    gBattlerControllerFuncs[gActiveBattler] = nullsub_19;
+    gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 1;
+    gBattlerControllerFuncs[gActiveBattler] = LinkOpponentDummy;
 }
 
-static void sub_803D564(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     u8 savedActiveBank = gActiveBattler;
 
@@ -1549,23 +1549,23 @@ static void sub_803D564(u8 taskId)
     if (!IsDoubleBattle() || (gBattleTypeFlags & BATTLE_TYPE_MULTI))
     {
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_803C550(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
     }
     else
     {
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_803C550(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
         gActiveBattler = BATTLE_PARTNER(gActiveBattler);
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_803C550(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
         gActiveBattler = BATTLE_PARTNER(gActiveBattler);
     }
-    gBattlerControllerFuncs[gActiveBattler] = sub_803A9CC;
+    gBattlerControllerFuncs[gActiveBattler] = Intro_TryShinyAnimShowHealthbox;
     gActiveBattler = savedActiveBank;
     DestroyTask(taskId);
 }
 
-static void sub_803D648(struct Sprite *sprite)
+static void SpriteCB_FreeOpponentSprite(struct Sprite *sprite)
 {
     FreeTrainerFrontPicPaletteAndTile(sprite->oam.affineParam);
     sprite->oam.tileNum = sprite->data[5];
@@ -1585,29 +1585,29 @@ static void LinkOpponentHandleDrawPartyStatusSummary(void)
 
         if (gBattleBufferA[gActiveBattler][2])
         {
-            if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E < 2)
+            if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay < 2)
             {
-                ++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E;
+                ++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay;
                 return;
             }
             else
             {
-                gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E = 0;
+                gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay = 0;
             }
         }
         gBattlerStatusSummaryTaskId[gActiveBattler] = CreatePartyStatusSummarySprites(gActiveBattler, (struct HpAndStatus *)&gBattleBufferA[gActiveBattler][4], gBattleBufferA[gActiveBattler][1], gBattleBufferA[gActiveBattler][2]);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         if (gBattleBufferA[gActiveBattler][2])
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0x5D;
-        gBattlerControllerFuncs[gActiveBattler] = sub_803D790;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0x5D;
+        gBattlerControllerFuncs[gActiveBattler] = EndDrawPartyStatusSummary;
     }
 }
 
-static void sub_803D790(void)
+static void EndDrawPartyStatusSummary(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5++ > 0x5C)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer++ > 0x5C)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         LinkOpponentBufferExecCompleted();
     }
 }
@@ -1636,7 +1636,7 @@ static void LinkOpponentHandleSpriteInvisibility(void)
 
 static void LinkOpponentHandleBattleAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 animationId = gBattleBufferA[gActiveBattler][1];
         u16 argument = gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8);
@@ -1667,7 +1667,7 @@ static void LinkOpponentHandleCmd55(void)
     FadeOutMapMusic(5);
     BeginFastPaletteFade(3);
     LinkOpponentBufferExecCompleted();
-    gBattlerControllerFuncs[gActiveBattler] = sub_802F6A8;
+    gBattlerControllerFuncs[gActiveBattler] = SetBattleEndCallbacks;
 }
 
 static void LinkOpponentCmdEnd(void)
diff --git a/src/battle_controller_link_partner.c b/src/battle_controller_link_partner.c
index 2d95a756f..bb06e6f9a 100644
--- a/src/battle_controller_link_partner.c
+++ b/src/battle_controller_link_partner.c
@@ -73,14 +73,14 @@ static void LinkPartnerCmdEnd(void);
 
 static void LinkPartnerBufferRunCommand(void);
 static void LinkPartnerBufferExecCompleted(void);
-static void sub_80D481C(void);
+static void SwitchIn_WaitAndEnd(void);
 static u32 CopyLinkPartnerMonData(u8 monId, u8 *dst);
 static void SetLinkPartnerMonData(u8 monId);
-static void sub_80D5F40(u8 battlerId, bool8 dontClearSubstituteBit);
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit);
 static void DoSwitchOutAnimation(void);
 static void LinkPartnerDoMoveAnimation(void);
-static void sub_80D6ED0(u8 taskId);
-static void sub_80D70A0(void);
+static void Task_StartSendOutAnim(u8 taskId);
+static void EndDrawPartyStatusSummary(void);
 
 static void (*const sLinkPartnerBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 {
@@ -143,7 +143,7 @@ static void (*const sLinkPartnerBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
     LinkPartnerCmdEnd
 };
 
-static void nullsub_77(void)
+static void LinkPartnerDummy(void)
 {
 }
 
@@ -169,27 +169,27 @@ static void CompleteOnBattlerSpriteCallbackDummy(void)
         LinkPartnerBufferExecCompleted();
 }
 
-static void sub_80D42A8(void)
+static void FreeTrainerSpriteAfterSlide(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
-        nullsub_16(0);
+        BattleGfxSfxDummy3(0);
         FreeSpriteOamMatrix(&gSprites[gBattlerSpriteIds[gActiveBattler]]);
         DestroySprite(&gSprites[gBattlerSpriteIds[gActiveBattler]]);
         LinkPartnerBufferExecCompleted();
     }
 }
 
-static void sub_80D4310(void)
+static void Intro_DelayAndEnd(void)
 {
-    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 0xFF)
+    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 0xFF)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         LinkPartnerBufferExecCompleted();
     }
 }
 
-static void sub_80D4358(void)
+static void Intro_WaitForHealthbox(void)
 {
     bool32 var = FALSE;
 
@@ -207,41 +207,41 @@ static void sub_80D4358(void)
         var = FALSE;
     if (var)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 3;
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D4310;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 3;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_DelayAndEnd;
     }
 }
 
-static void sub_80D443C(void)
+static void Intro_ShowHealthbox(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
-        if (++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 != 1)
+        if (++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay != 1)
         {
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
             if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
             {
-                DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+                DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
                 UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                          &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                          HEALTHBOX_ALL);
-                sub_804BD94(gActiveBattler ^ BIT_FLANK);
+                StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
                 SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
             }
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                      &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler);
+            StartHealthboxSlideIn(gActiveBattler);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
-            gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-            gBattlerControllerFuncs[gActiveBattler] = sub_80D4358;
+            gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 0;
+            gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForHealthbox;
         }
     }
 }
 
-static void sub_80D4590(void)
+static void WaitForMonAnimAfterLoad(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].animEnded && gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x == 0)
         LinkPartnerBufferExecCompleted();
@@ -263,7 +263,7 @@ static void CompleteOnHealthbarDone(void)
     }
 }
 
-static void sub_80D4640(void)
+static void FreeMonSpriteAfterFaintAnim(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y + gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.y > DISPLAY_HEIGHT)
     {
@@ -274,7 +274,7 @@ static void sub_80D4640(void)
     }
 }
 
-static void sub_80D46A8(void)
+static void FreeMonSpriteAfterSwitchOutAnim(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -310,51 +310,51 @@ static void DoHitAnimBlinkSpriteEffect(void)
     }
 }
 
-static void sub_80D47AC(void)
+static void SwitchIn_ShowSubstitute(void)
 {
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
         if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D481C;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_WaitAndEnd;
     }
 }
 
-static void sub_80D481C(void)
+static void SwitchIn_WaitAndEnd(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         LinkPartnerBufferExecCompleted();
 }
 
-static void sub_80D484C(void)
+static void SwitchIn_ShowHealthbox(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
-        CreateTask(c3_0802FDF4, 10);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
+        CreateTask(Task_PlayerController_RestoreBgmAfterCry, 10);
         HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
         StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 0);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler], &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         CopyBattleSpriteInvisibility(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D47AC;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowSubstitute;
     }
 }
 
-static void sub_80D4944(void)
+static void SwitchIn_TryShinyAnim(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (gSprites[gUnknown_3004FFC[gActiveBattler]].callback == SpriteCallbackDummy
+        TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (gSprites[gBattleControllerData[gActiveBattler]].callback == SpriteCallbackDummy
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
     {
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D484C;
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowHealthbox;
     }
 }
 
@@ -985,7 +985,7 @@ static void LinkPartnerHandleLoadMonSprite(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], gBattleMonForms[gActiveBattler]);
-    gBattlerControllerFuncs[gActiveBattler] = sub_80D4590;
+    gBattlerControllerFuncs[gActiveBattler] = WaitForMonAnimAfterLoad;
 }
 
 static void LinkPartnerHandleSwitchInAnim(void)
@@ -993,31 +993,31 @@ static void LinkPartnerHandleSwitchInAnim(void)
     ClearTemporarySpeciesSpriteData(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
     gBattlerPartyIndexes[gActiveBattler] = gBattleBufferA[gActiveBattler][1];
     BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
-    sub_80D5F40(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
-    gBattlerControllerFuncs[gActiveBattler] = sub_80D4944;
+    StartSendOutAnim(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
+    gBattlerControllerFuncs[gActiveBattler] = SwitchIn_TryShinyAnim;
 }
 
-static void sub_80D5F40(u8 battlerId, bool8 dontClearSubstituteBit)
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit)
 {
     u16 species;
 
     ClearTemporarySpeciesSpriteData(battlerId, dontClearSubstituteBit);
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
                                                 GetBattlerSpriteCoord(battlerId, 2),
                                                 GetBattlerSpriteDefault_Y(battlerId),
                                                 GetBattlerSpriteSubpriority(battlerId));
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
 }
 
 static void LinkPartnerHandleReturnMonToBall(void)
@@ -1050,7 +1050,7 @@ static void DoSwitchOutAnimation(void)
         {
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_PLAYER_MON);
-            gBattlerControllerFuncs[gActiveBattler] = sub_80D46A8;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterSwitchOutAnim;
         }
         break;
     }
@@ -1077,7 +1077,7 @@ static void LinkPartnerHandleDrawTrainerPic(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = 240;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = -2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -1094,7 +1094,7 @@ static void LinkPartnerHandleTrainerSlideBack(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCallbackDummy);
-    gBattlerControllerFuncs[gActiveBattler] = sub_80D42A8;
+    gBattlerControllerFuncs[gActiveBattler] = FreeTrainerSpriteAfterSlide;
 }
 
 static void LinkPartnerHandleFaintAnimation(void)
@@ -1114,8 +1114,8 @@ static void LinkPartnerHandleFaintAnimation(void)
             PlaySE12WithPanning(SE_FAINT, SOUND_PAN_ATTACKER);
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[1] = 0;
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 5;
-            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8012110;
-            gBattlerControllerFuncs[gActiveBattler] = sub_80D4640;
+            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintSlideAnim;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterFaintAnim;
         }
     }
 }
@@ -1142,7 +1142,7 @@ static void LinkPartnerHandlePause(void)
 
 static void LinkPartnerHandleMoveAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u16 move = gBattleBufferA[gActiveBattler][1] | (gBattleBufferA[gActiveBattler][2] << 8);
 
@@ -1184,7 +1184,7 @@ static void LinkPartnerDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(0);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -1193,7 +1193,7 @@ static void LinkPartnerDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(1);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute && multihit < 2)
             {
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
@@ -1222,7 +1222,7 @@ static void LinkPartnerHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
+    if (BattleStringShouldBeColored(*stringId))
         BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
@@ -1293,7 +1293,7 @@ static void LinkPartnerHandleExpUpdate(void)
 
 static void LinkPartnerHandleStatusIconUpdate(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 battlerId;
 
@@ -1306,7 +1306,7 @@ static void LinkPartnerHandleStatusIconUpdate(void)
 
 static void LinkPartnerHandleStatusAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         InitAndLaunchChosenStatusAnimation(gBattleBufferA[gActiveBattler][1],
                         gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8) | (gBattleBufferA[gActiveBattler][4] << 16) | (gBattleBufferA[gActiveBattler][5] << 24));
@@ -1448,7 +1448,7 @@ static void LinkPartnerHandleIntroTrainerBallThrow(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gActiveBattler;
-    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_80335F8);
+    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreePlayerSpriteLoadMonSprite);
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 1);
     paletteNum = AllocSpritePalette(0xD6F9);
     if ((gLinkPlayers[GetBattlerMultiplayerId(gActiveBattler)].version & 0xFF) == VERSION_RUBY
@@ -1459,15 +1459,15 @@ static void LinkPartnerHandleIntroTrainerBallThrow(void)
         trainerPicId = gLinkPlayers[GetBattlerMultiplayerId(gActiveBattler)].gender + 0;
     LoadCompressedPalette(gTrainerBackPicPaletteTable[trainerPicId].data, 0x100 + paletteNum * 16, 32);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = paletteNum;
-    taskId = CreateTask(sub_80D6ED0, 5);
+    taskId = CreateTask(Task_StartSendOutAnim, 5);
     gTasks[taskId].data[0] = gActiveBattler;
     if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
         gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-    gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-    gBattlerControllerFuncs[gActiveBattler] = nullsub_77;
+    gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 1;
+    gBattlerControllerFuncs[gActiveBattler] = LinkPartnerDummy;
 }
 
-static void sub_80D6ED0(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     if (gTasks[taskId].data[1] < 24)
     {
@@ -1481,19 +1481,19 @@ static void sub_80D6ED0(u8 taskId)
         if (!IsDoubleBattle() || (gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-            sub_80D5F40(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
         }
         else
         {
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-            sub_80D5F40(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
             gActiveBattler ^= BIT_FLANK;
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
             BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
-            sub_80D5F40(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
             gActiveBattler ^= BIT_FLANK;
         }
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D443C;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_ShowHealthbox;
         gActiveBattler = savedActiveBattler;
         DestroyTask(taskId);
     }
@@ -1507,22 +1507,22 @@ static void LinkPartnerHandleDrawPartyStatusSummary(void)
     }
     else
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown = 1;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown = TRUE;
         gBattlerStatusSummaryTaskId[gActiveBattler] = CreatePartyStatusSummarySprites(gActiveBattler, (struct HpAndStatus *)&gBattleBufferA[gActiveBattler][4], gBattleBufferA[gActiveBattler][1], gBattleBufferA[gActiveBattler][2]);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
 
-        if (gBattleBufferA[gActiveBattler][2])
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0x5D;
+        if (gBattleBufferA[gActiveBattler][2]) // Skip delay on battle start
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 93;
 
-        gBattlerControllerFuncs[gActiveBattler] = sub_80D70A0;
+        gBattlerControllerFuncs[gActiveBattler] = EndDrawPartyStatusSummary;
     }
 }
 
-static void sub_80D70A0(void)
+static void EndDrawPartyStatusSummary(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5++ > 0x5C)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer++ > 92)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         LinkPartnerBufferExecCompleted();
     }
 }
@@ -1551,7 +1551,7 @@ static void LinkPartnerHandleSpriteInvisibility(void)
 
 static void LinkPartnerHandleBattleAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 animationId = gBattleBufferA[gActiveBattler][1];
         u16 argument = gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8);
@@ -1579,7 +1579,7 @@ static void LinkPartnerHandleCmd55(void)
     FadeOutMapMusic(5);
     BeginFastPaletteFade(3);
     LinkPartnerBufferExecCompleted();
-    gBattlerControllerFuncs[gActiveBattler] = sub_802F6A8;
+    gBattlerControllerFuncs[gActiveBattler] = SetBattleEndCallbacks;
 }
 
 static void LinkPartnerCmdEnd(void)
diff --git a/src/battle_controller_oak_old_man.c b/src/battle_controller_oak_old_man.c
index d6833942a..9b31e2711 100644
--- a/src/battle_controller_oak_old_man.c
+++ b/src/battle_controller_oak_old_man.c
@@ -15,6 +15,7 @@
 #include "battle_interface.h"
 #include "battle_message.h"
 #include "reshow_battle_screen.h"
+#include "battle_string_ids.h"
 #include "constants/songs.h"
 #include "constants/items.h"
 
@@ -80,21 +81,21 @@ static void OakOldManBufferRunCommand(void);
 static void OakOldManBufferExecCompleted(void);
 static void WaitForMonSelection(void);
 static void CompleteWhenChoseItem(void);
-static void sub_80E8704(void);
-static void sub_80E7CD8(void);
-static void sub_80E835C(void);
+static void PrintOakText_KeepAnEyeOnHP(void);
+static void Intro_WaitForShinyAnimAndHealthbox(void);
+static void PrintOakText_ForPetesSake(void);
 static void Task_LaunchLvlUpAnim(u8 taskId);
 static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId);
 static void CompleteOnInactiveTextPrinter2(void);
 static void Task_PrepareToGiveExpWithExpBar(u8 taskId);
-static void sub_80E804C(u8 taskId);
+static void Task_GiveExpWithExpBar(u8 taskId);
 static void Task_UpdateLvlInHealthbox(u8 taskId);
-static void sub_80E85D4(const u8 *text, u8 a1);
+static void PrintOakTextWithMainBgDarkened(const u8 *text, u8 delay);
 static u32 CopyOakOldManMonData(u8 monId, u8 *dst);
 static void SetOakOldManMonData(u8 monId);
 static void OakOldManDoMoveAnimation(void);
 static void HandleInputChooseAction(void);
-static void sub_80EB0A8(u8 taskId);
+static void Task_StartSendOutAnim(u8 taskId);
 
 static void (*const sOakOldManBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 {
@@ -157,17 +158,17 @@ static void (*const sOakOldManBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
     OakOldManCmdEnd,
 };
 
-static void nullsub_81(void)
+static void OakOldManDummy(void)
 {
 }
 
 void SetControllerToOakOrOldMan(void)
 {
     gBattlerControllerFuncs[gActiveBattler] = OakOldManBufferRunCommand;
-    gBattleStruct->field_94 = 0;
-    gBattleStruct->field_95 = 0;
-    gBattleStruct->field_96 = 0;
-    gBattleStruct->field_97 = 0;
+    gBattleStruct->simulatedInputState[0] = 0;
+    gBattleStruct->simulatedInputState[1] = 0;
+    gBattleStruct->simulatedInputState[2] = 0;
+    gBattleStruct->simulatedInputState[3] = 0;
 }
 
 static void OakOldManBufferRunCommand(void)
@@ -183,6 +184,7 @@ static void OakOldManBufferRunCommand(void)
 
 static void HandleInputChooseAction(void)
 {
+    // Like player, but specifically for Rival in Oak's Lab
     u16 itemId = gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8);
 
     DoBounceEffect(gActiveBattler, BOUNCE_HEALTHBOX, 7, 1);
@@ -274,27 +276,30 @@ static void HandleInputChooseAction(void)
     }
 }
 
-static void sub_80E7844(void)
+static void SimulateInputChooseAction(void)
 {
-    switch (gBattleStruct->field_94)
+    // Old Man
+    switch (gBattleStruct->simulatedInputState[0])
     {
     case 0:
-        gBattleStruct->field_96 = 64;
-        ++gBattleStruct->field_94;
+        gBattleStruct->simulatedInputState[2] = 64;
+        ++gBattleStruct->simulatedInputState[0];
         // fall through
     case 1:
-        if (--gBattleStruct->field_96 == 0)
+        if (--gBattleStruct->simulatedInputState[2] == 0)
         {
+            // Move cursor to BAG
             PlaySE(SE_SELECT);
             ActionSelectionDestroyCursorAt(0);
             ActionSelectionCreateCursorAt(1, 0);
-            gBattleStruct->field_96 = 64;
-            ++gBattleStruct->field_94;
+            gBattleStruct->simulatedInputState[2] = 64;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 2:
-        if (--gBattleStruct->field_96 == 0)
+        if (--gBattleStruct->simulatedInputState[2] == 0)
         {
+            // Open bag
             PlaySE(SE_SELECT);
             BtlController_EmitTwoReturnValues(1, B_ACTION_USE_ITEM, 0);
             OakOldManBufferExecCompleted();
@@ -315,7 +320,7 @@ static void CompleteOnInactiveTextPrinter(void)
         OakOldManBufferExecCompleted();
 }
 
-static void sub_80E7930(void)
+static void OakOldManSetBattleEndCallbacks(void)
 {
     if (!gPaletteFade.active)
     {
@@ -331,7 +336,7 @@ static void CompleteOnSpecialAnimDone(void)
         OakOldManBufferExecCompleted();
 }
 
-void sub_80E7988(void)
+void OakOldManHandleInputChooseMove(void)
 {
     HandleInputChooseMove();
     if (!(gBattleControllerExecFlags & gBitTable[gActiveBattler]))
@@ -345,8 +350,8 @@ static void OpenPartyMenuToChooseMon(void)
         u8 caseId;
 
         gBattlerControllerFuncs[gActiveBattler] = WaitForMonSelection;
-        caseId = gTasks[gUnknown_3004FFC[gActiveBattler]].data[0];
-        DestroyTask(gUnknown_3004FFC[gActiveBattler]);
+        caseId = gTasks[gBattleControllerData[gActiveBattler]].data[0];
+        DestroyTask(gBattleControllerData[gActiveBattler]);
         FreeAllWindowBuffers();
         OpenPartyMenuInTutorialBattle(caseId);
     }
@@ -369,7 +374,7 @@ static void OpenBagAndChooseItem(void)
     if (!gPaletteFade.active)
     {
         gBattlerControllerFuncs[gActiveBattler] = CompleteWhenChoseItem;
-        nullsub_44();
+        ReshowBattleScreenDummy();
         FreeAllWindowBuffers();
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
             CB2_BagMenuFromBattle();
@@ -382,12 +387,12 @@ static void CompleteWhenChoseItem(void)
 {
     if (gMain.callback2 == BattleMainCB2 && !gPaletteFade.active)
     {
-        if (!sub_80EB2E0(4)
+        if (!BtlCtrl_OakOldMan_TestState2Flag(FIRST_BATTLE_MSG_FLAG_HP_RESTORE)
          && gSpecialVar_ItemId == ITEM_POTION
          && gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
         {
-            sub_80EB2F4(4);
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E8704;
+            BtlCtrl_OakOldMan_SetState2Flag(FIRST_BATTLE_MSG_FLAG_HP_RESTORE);
+            gBattlerControllerFuncs[gActiveBattler] = PrintOakText_KeepAnEyeOnHP;
         }
         else
         {
@@ -397,55 +402,55 @@ static void CompleteWhenChoseItem(void)
     }
 }
 
-static void sub_80E7B4C(void)
+static void Intro_TryShinyAnimShowHealthbox(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80
+        TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
-        sub_80F1720(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
+        TryShinyAnimation(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
         if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                      &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler ^ BIT_FLANK);
+            StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
         }
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E7CD8;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 0;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForShinyAnimAndHealthbox;
     }
 }
 
-static void sub_80E7CD8(void)
+static void Intro_WaitForShinyAnimAndHealthbox(void)
 {
     bool32 r4 = FALSE;
 
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
         r4 = TRUE;
     if (r4
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1)
-    {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
-        CreateTask(c3_0802FDF4, 10);
+     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim
+     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim)
+    {
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
+        CreateTask(Task_PlayerController_RestoreBgmAfterCry, 10);
         HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E835C;
+        gBattlerControllerFuncs[gActiveBattler] = PrintOakText_ForPetesSake;
     }
 }
 
@@ -515,10 +520,10 @@ static void Task_PrepareToGiveExpWithExpBar(u8 taskId)
     expToNextLvl = gExperienceTables[gBaseStats[species].growthRate][level + 1] - currLvlExp;
     SetBattleBarStruct(battlerId, gHealthboxSpriteIds[battlerId], expToNextLvl, exp, -gainedExp);
     PlaySE(SE_EXP);
-    gTasks[taskId].func = sub_80E804C;
+    gTasks[taskId].func = Task_GiveExpWithExpBar;
 }
 
-static void sub_80E804C(u8 taskId)
+static void Task_GiveExpWithExpBar(u8 taskId)
 {
     if (gTasks[taskId].tExpTask_frames < 13)
     {
@@ -588,7 +593,7 @@ static void Task_UpdateLvlInHealthbox(u8 taskId)
     {
         u8 monIndex = gTasks[taskId].tExpTask_monId;
 
-        GetMonData(&gPlayerParty[monIndex], MON_DATA_LEVEL);  // Unused return value. 
+        GetMonData(&gPlayerParty[monIndex], MON_DATA_LEVEL);  // Unused return value.
         if (IsDoubleBattle() == TRUE && monIndex == gBattlerPartyIndexes[battlerId ^ BIT_FLANK])
             UpdateHealthboxAttribute(gHealthboxSpriteIds[battlerId ^ BIT_FLANK], &gPlayerParty[monIndex], HEALTHBOX_ALL);
         else
@@ -608,7 +613,7 @@ static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId)
     DestroyTask(taskId);
 }
 
-static void sub_80E82F4(void)
+static void FreeMonSpriteAfterFaintAnim(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y + gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.y > DISPLAY_HEIGHT)
     {
@@ -619,46 +624,46 @@ static void sub_80E82F4(void)
     }
 }
 
-static void sub_80E835C(void)
+static void PrintOakText_ForPetesSake(void)
 {
     u32 mask;
-    
-    switch (gBattleStruct->field_94)
+
+    switch (gBattleStruct->simulatedInputState[0])
     {
     case 0:
         if (!gPaletteFade.active)
         {
-            sub_80EEFC8(&gBattleStruct->field_95, &gBattleStruct->field_97, GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT));
+            DoLoadHealthboxPalsForLevelUp(&gBattleStruct->simulatedInputState[1], &gBattleStruct->simulatedInputState[3], GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT));
             BeginNormalPaletteFade(0xFFFFFF7E,
-                                   4, 
-                                   0, 
-                                   8, 
+                                   4,
+                                   0,
+                                   8,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 1:
         if (!gPaletteFade.active)
         {
-            sub_80EB30C();
-            ++gBattleStruct->field_94;
+            BtlCtrl_DrawVoiceoverMessageFrame();
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 2:
         BattleStringExpandPlaceholdersToDisplayedString(gText_ForPetesSake);
         BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-        ++gBattleStruct->field_94;
+        ++gBattleStruct->simulatedInputState[0];
         break;
     case 3:
         if (!IsTextPrinterActive(24))
         {
-            mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_97]) << 16;
+            mask = (gBitTable[gBattleStruct->simulatedInputState[1]] | gBitTable[gBattleStruct->simulatedInputState[3]]) << 16;
             BeginNormalPaletteFade(mask,
                                    4,
                                    8,
                                    0,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 4:
@@ -666,19 +671,19 @@ static void sub_80E835C(void)
         {
             BattleStringExpandPlaceholdersToDisplayedString(gText_TheTrainerThat);
             BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 5:
         if (!IsTextPrinterActive(24))
         {
-            mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_97]) << 16;
+            mask = (gBitTable[gBattleStruct->simulatedInputState[1]] | gBitTable[gBattleStruct->simulatedInputState[3]]) << 16;
             BeginNormalPaletteFade(mask,
                                    4,
                                    0,
                                    8,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 6:
@@ -686,7 +691,7 @@ static void sub_80E835C(void)
         {
             BattleStringExpandPlaceholdersToDisplayedString(gText_TryBattling);
             BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 7:
@@ -697,79 +702,80 @@ static void sub_80E835C(void)
                                    8,
                                    0,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 8:
         if (!gPaletteFade.active)
         {
-            sub_80EF0E0(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT));
-            sub_80EB524();
-            gBattleStruct->field_94 = 0;
+            DoFreeHealthboxPalsForLevelUp(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT));
+            BtlCtrl_RemoveVoiceoverMessageFrame();
+            gBattleStruct->simulatedInputState[0] = 0;
             OakOldManBufferExecCompleted();
         }
         break;
     }
 }
 
-void sub_80E8570(void)
+void PrintOakText_InflictingDamageIsKey(void)
 {
-    sub_80E85D4(gText_InflictingDamageIsKey, 1);
+    PrintOakTextWithMainBgDarkened(gText_InflictingDamageIsKey, 1);
 }
 
-static void sub_80E8584(void)
+static void PrintOakText_LoweringStats(void)
 {
-    sub_80E85D4(gText_LoweringStats, 64);
+    PrintOakTextWithMainBgDarkened(gText_LoweringStats, 64);
 }
 
-void sub_80E8598(void)
+void PrintOakText_OakNoRunningFromATrainer(void)
 {
-    sub_80E85D4(gText_OakNoRunningFromATrainer, 1);
+    PrintOakTextWithMainBgDarkened(gText_OakNoRunningFromATrainer, 1);
 }
 
-static void sub_80E85AC(void)
+static void PrintOakText_WinEarnsPrizeMoney(void)
 {
-    sub_80E85D4(gText_WinEarnsPrizeMoney, 64);
+    PrintOakTextWithMainBgDarkened(gText_WinEarnsPrizeMoney, 64);
 }
 
-void sub_80E85C0(void)
+void PrintOakText_HowDisappointing(void)
 {
-    sub_80E85D4(gText_HowDissapointing, 64);
+    PrintOakTextWithMainBgDarkened(gText_HowDissapointing, 64);
 }
 
-static void sub_80E85D4(const u8 *text, u8 a2)
+static void PrintOakTextWithMainBgDarkened(const u8 *text, u8 delay)
 {
-    switch (gBattleStruct->field_94)
+    // If delay is 0, it's treated as 256.
+    switch (gBattleStruct->simulatedInputState[0])
     {
     case 0:
         if (!IsTextPrinterActive(0))
         {
-            gBattleStruct->field_97 = a2;
-            ++gBattleStruct->field_94;
+            gBattleStruct->simulatedInputState[3] = delay;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 1:
-        if (--gBattleStruct->field_97 == 0)
+        if (--gBattleStruct->simulatedInputState[3] == 0)
         {
             BeginNormalPaletteFade(0xFFFFFF7E,
-                                   4, 
-                                   0, 
-                                   8, 
+                                   4,
+                                   0,
+                                   8,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 2:
         if (!gPaletteFade.active)
         {
-            sub_80EB30C();
-            ++gBattleStruct->field_94;
+            BtlCtrl_DrawVoiceoverMessageFrame();
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 3:
         BattleStringExpandPlaceholdersToDisplayedString(text);
         BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-        ++gBattleStruct->field_94;
+        ++gBattleStruct->simulatedInputState[0];
         break;
     case 4:
         if (!IsTextPrinterActive(24))
@@ -779,76 +785,76 @@ static void sub_80E85D4(const u8 *text, u8 a2)
                                    8,
                                    0,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 5:
         if (!gPaletteFade.active)
         {
-            sub_80EB524();
+            BtlCtrl_RemoveVoiceoverMessageFrame();
             if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
                 OakOldManBufferExecCompleted();
             else
                 OpponentBufferExecCompleted();
             gBattleCommunication[MSG_DISPLAY] = 0;
-            gBattleStruct->field_94 = 0;
+            gBattleStruct->simulatedInputState[0] = 0;
         }
         break;
     }
 }
 
-static void sub_80E8704(void)
+static void PrintOakText_KeepAnEyeOnHP(void)
 {
     u32 mask;
 
-    switch (gBattleStruct->field_94)
+    switch (gBattleStruct->simulatedInputState[0])
     {
     case 0:
         if (!gPaletteFade.active)
         {
-            sub_80EEFC8(&gBattleStruct->field_95, &gBattleStruct->field_97, gActiveBattler);
+            DoLoadHealthboxPalsForLevelUp(&gBattleStruct->simulatedInputState[1], &gBattleStruct->simulatedInputState[3], gActiveBattler);
             BeginNormalPaletteFade(0xFFFFFF7E,
-                                   4, 
-                                   0, 
-                                   8, 
+                                   4,
+                                   0,
+                                   8,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 1:
         if (!gPaletteFade.active)
         {
-            mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_97]) << 16;
+            mask = (gBitTable[gBattleStruct->simulatedInputState[1]] | gBitTable[gBattleStruct->simulatedInputState[3]]) << 16;
             BeginNormalPaletteFade(mask,
                                    4,
                                    8,
                                    0,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 2:
         if (!gPaletteFade.active)
         {
-            sub_80EB30C();
-            ++gBattleStruct->field_94;
+            BtlCtrl_DrawVoiceoverMessageFrame();
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 3:
         BattleStringExpandPlaceholdersToDisplayedString(gText_KeepAnEyeOnHP);
         BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-        ++gBattleStruct->field_94;
+        ++gBattleStruct->simulatedInputState[0];
         break;
     case 4:
         if (!IsTextPrinterActive(24))
         {
-            mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_97]) << 16;
+            mask = (gBitTable[gBattleStruct->simulatedInputState[1]] | gBitTable[gBattleStruct->simulatedInputState[3]]) << 16;
             BeginNormalPaletteFade(mask,
                                    4,
                                    0,
                                    8,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 5:
@@ -859,16 +865,16 @@ static void sub_80E8704(void)
                                    8,
                                    0,
                                    RGB_BLACK);
-            ++gBattleStruct->field_94;
+            ++gBattleStruct->simulatedInputState[0];
         }
         break;
     case 6:
         if (!gPaletteFade.active)
         {
-            sub_80EB524();
+            BtlCtrl_RemoveVoiceoverMessageFrame();
             BtlController_EmitOneReturnValue(1, gSpecialVar_ItemId);
             OakOldManBufferExecCompleted();
-            gBattleStruct->field_94 = 0;
+            gBattleStruct->simulatedInputState[0] = 0;
         }
         break;
     }
@@ -915,7 +921,7 @@ static void DoHitAnimBlinkSpriteEffect(void)
     }
 }
 
-static void sub_80E89C4(void)
+static void DoSwitchOutAnimation(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -1554,7 +1560,7 @@ static void OakOldManHandleReturnMonToBall(void)
     if (gBattleBufferA[gActiveBattler][1] == 0)
     {
         InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_PLAYER_MON);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E89C4;
+        gBattlerControllerFuncs[gActiveBattler] = DoSwitchOutAnimation;
     }
     else
     {
@@ -1569,26 +1575,26 @@ static void OakOldManHandleDrawTrainerPic(void)
 {
     if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
     {
-        DecompressTrainerBackPalette(gSaveBlock2Ptr->playerGender, gActiveBattler);
-        SetMultiuseSpriteTemplateToTrainerBack(gSaveBlock2Ptr->playerGender, GetBattlerPosition(gActiveBattler));
+        DecompressTrainerBackPalette(BACK_PIC_RED +  gSaveBlock2Ptr->playerGender, gActiveBattler);
+        SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_RED +  gSaveBlock2Ptr->playerGender, GetBattlerPosition(gActiveBattler));
         gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
                                                          80,
-                                                         (8 - gTrainerBackPicCoords[gSaveBlock2Ptr->playerGender].size) * 4 + 80,
+                                                         (8 - gTrainerBackPicCoords[BACK_PIC_RED + gSaveBlock2Ptr->playerGender].size) * 4 + 80,
                                                          30);
     }
     else
     {
-        DecompressTrainerBackPalette(5, gActiveBattler);
-        SetMultiuseSpriteTemplateToTrainerBack(5, GetBattlerPosition(gActiveBattler));
-        gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate, 
-                                                         80, 
-                                                         (8 - gTrainerBackPicCoords[5].size) * 4 + 80,
+        DecompressTrainerBackPalette(BACK_PIC_OLDMAN, gActiveBattler);
+        SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_OLDMAN, GetBattlerPosition(gActiveBattler));
+        gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
+                                                         80,
+                                                         (8 - gTrainerBackPicCoords[BACK_PIC_OLDMAN].size) * 4 + 80,
                                                          30);
     }
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = 240;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = -2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -1596,26 +1602,26 @@ static void OakOldManHandleTrainerSlide(void)
 {
     if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
     {
-        DecompressTrainerBackPalette(gSaveBlock2Ptr->playerGender, gActiveBattler);
-        SetMultiuseSpriteTemplateToTrainerBack(gSaveBlock2Ptr->playerGender, GetBattlerPosition(gActiveBattler));
+        DecompressTrainerBackPalette(BACK_PIC_RED + gSaveBlock2Ptr->playerGender, gActiveBattler);
+        SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_RED + gSaveBlock2Ptr->playerGender, GetBattlerPosition(gActiveBattler));
         gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
                                                          80,
-                                                         (8 - gTrainerBackPicCoords[gSaveBlock2Ptr->playerGender].size) * 4 + 80,
+                                                         (8 - gTrainerBackPicCoords[BACK_PIC_RED + gSaveBlock2Ptr->playerGender].size) * 4 + 80,
                                                          30);
     }
     else
     {
-        DecompressTrainerBackPalette(5, gActiveBattler);
-        SetMultiuseSpriteTemplateToTrainerBack(5, GetBattlerPosition(gActiveBattler));
-        gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate, 
-                                                         80, 
-                                                         (8 - gTrainerBackPicCoords[5].size) * 4 + 80,
+        DecompressTrainerBackPalette(BACK_PIC_OLDMAN, gActiveBattler);
+        SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_OLDMAN, GetBattlerPosition(gActiveBattler));
+        gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
+                                                         80,
+                                                         (8 - gTrainerBackPicCoords[BACK_PIC_OLDMAN].size) * 4 + 80,
                                                          30);
     }
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = -96;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = 2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy2;
 }
 
@@ -1641,8 +1647,8 @@ static void OakOldManHandleFaintAnimation(void)
             PlaySE12WithPanning(SE_FAINT, SOUND_PAN_ATTACKER);
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[1] = 0;
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 5;
-            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8012110;
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E82F4;
+            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintSlideAnim;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterFaintAnim;
         }
     }
 }
@@ -1711,7 +1717,7 @@ static void OakOldManDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(ST_OAM_AFFINE_OFF);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -1720,7 +1726,7 @@ static void OakOldManDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(ST_OAM_AFFINE_NORMAL);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 3;
@@ -1752,30 +1758,30 @@ static void OakOldManHandlePrintString(void)
     else
     {
         BufferStringBattle(*stringId);
-        if (sub_80D89B0(*stringId))
-            BattlePutTextOnWindow(gDisplayedStringBattle, 64);
+        if (BattleStringShouldBeColored(*stringId))
+            BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
         else
             BattlePutTextOnWindow(gDisplayedStringBattle, 0);
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
         {
             switch (*stringId)
             {
-            case 216:
-                if (!sub_80EB2E0(2))
+            case STRINGID_PKMNSSTATCHANGED4:
+                if (!BtlCtrl_OakOldMan_TestState2Flag(FIRST_BATTLE_MSG_FLAG_STAT_CHG))
                 {
-                    sub_80EB2F4(2);
-                    gBattlerControllerFuncs[gActiveBattler] = sub_80E8584;
+                    BtlCtrl_OakOldMan_SetState2Flag(FIRST_BATTLE_MSG_FLAG_STAT_CHG);
+                    gBattlerControllerFuncs[gActiveBattler] = PrintOakText_LoweringStats;
                     return;
                 }
                 break;
-            case 30:
-                gBattlerControllerFuncs[gActiveBattler] = sub_80E85AC;
+            case STRINGID_PLAYERGOTMONEY:
+                gBattlerControllerFuncs[gActiveBattler] = PrintOakText_WinEarnsPrizeMoney;
                 return;
-            case 383:
-                gBattlerControllerFuncs[gActiveBattler] = sub_80E85C0;
+            case STRINGID_TRAINER1WINTEXT:
+                gBattlerControllerFuncs[gActiveBattler] = PrintOakText_HowDisappointing;
                 return;
-            case 227:
-                gBattlerControllerFuncs[gActiveBattler] = sub_80E8598;
+            case STRINGID_DONTLEAVEBIRCH:
+                gBattlerControllerFuncs[gActiveBattler] = PrintOakText_OakNoRunningFromATrainer;
                 return;
             }
         }
@@ -1791,7 +1797,7 @@ static void OakOldManHandlePrintSelectionString(void)
         OakOldManBufferExecCompleted();
 }
 
-static void sub_80EA690(void)
+static void HandleChooseActionAfterDma3(void)
 {
     if (!IsDma3ManagerBusyWithBgCopy())
     {
@@ -1800,7 +1806,7 @@ static void sub_80EA690(void)
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
             gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseAction;
         else
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E7844;
+            gBattlerControllerFuncs[gActiveBattler] = SimulateInputChooseAction;
     }
 }
 
@@ -1808,7 +1814,7 @@ static void OakOldManHandleChooseAction(void)
 {
     s32 i;
 
-    gBattlerControllerFuncs[gActiveBattler] = sub_80EA690;
+    gBattlerControllerFuncs[gActiveBattler] = HandleChooseActionAfterDma3;
     BattlePutTextOnWindow(gText_EmptyString3, 0);
     BattlePutTextOnWindow(gText_BattleMenu, 2);
     for (i = 0; i < MAX_MON_MOVES; ++i)
@@ -1826,13 +1832,13 @@ static void OakOldManHandleUnknownYesNoBox(void)
     OakOldManBufferExecCompleted();
 }
 
-static void sub_80EA798(void)
+static void OakHandleChooseMove_WaitDma3(void)
 {
     if (!IsDma3ManagerBusyWithBgCopy())
     {
         gBattle_BG0_X = 0;
         gBattle_BG0_Y = 320;
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E7988;
+        gBattlerControllerFuncs[gActiveBattler] = OakOldManHandleInputChooseMove;
     }
 }
 
@@ -1841,19 +1847,19 @@ static void OakOldManHandleChooseMove(void)
     if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
     {
         InitMoveSelectionsVarsAndStrings();
-        gBattlerControllerFuncs[gActiveBattler] = sub_80EA798;
+        gBattlerControllerFuncs[gActiveBattler] = OakHandleChooseMove_WaitDma3;
     }
     else
     {
-        switch (gBattleStruct->field_95)
+        switch (gBattleStruct->simulatedInputState[1])
         {
         case 0:
             InitMoveSelectionsVarsAndStrings();
-            ++gBattleStruct->field_95;
-            gBattleStruct->field_97 = 80;
+            ++gBattleStruct->simulatedInputState[1];
+            gBattleStruct->simulatedInputState[3] = 80;
             // fall through
         case 1:
-            if (--gBattleStruct->field_97 == 0)
+            if (--gBattleStruct->simulatedInputState[3] == 0)
             {
                 PlaySE(SE_SELECT);
                 BtlController_EmitTwoReturnValues(1, 10, 0x100);
@@ -1879,10 +1885,10 @@ static void OakOldManHandleChoosePokemon(void)
 {
     s32 i;
 
-    gUnknown_3004FFC[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
-    gTasks[gUnknown_3004FFC[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
+    gBattleControllerData[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
+    gTasks[gBattleControllerData[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
     *(&gBattleStruct->battlerPreventingSwitchout) = gBattleBufferA[gActiveBattler][1] >> 4;
-    *(&gBattleStruct->field_8B) = gBattleBufferA[gActiveBattler][2];
+    *(&gBattleStruct->playerPartyIdx) = gBattleBufferA[gActiveBattler][2];
     *(&gBattleStruct->abilityPreventingSwitchout) = gBattleBufferA[gActiveBattler][3];
     for (i = 0; i < 3; ++i)
         gBattlePartyCurrentOrder[i] = gBattleBufferA[gActiveBattler][4 + i];
@@ -1906,13 +1912,13 @@ static void OakOldManHandleHealthBarUpdate(void)
     {
         u32 maxHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_MAX_HP);
         u32 curHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, curHP, hpVal);
     }
     else
     {
         u32 maxHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_MAX_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, 0, hpVal);
         UpdateHpTextInHealthbox(gHealthboxSpriteIds[gActiveBattler], 0, HP_CURRENT);
     }
@@ -1939,7 +1945,7 @@ static void OakOldManHandleExpUpdate(void)
         gTasks[taskId].tExpTask_monId = monId;
         gTasks[taskId].tExpTask_gainedExp = expPointsToGive;
         gTasks[taskId].tExpTask_battler = gActiveBattler;
-        gBattlerControllerFuncs[gActiveBattler] = nullsub_81;
+        gBattlerControllerFuncs[gActiveBattler] = OakOldManDummy;
     }
 }
 
@@ -2078,17 +2084,17 @@ static void OakOldManHandleIntroTrainerBallThrow(void)
         gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
         gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
         gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gActiveBattler;
-        StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_80335F8);
+        StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreePlayerSpriteLoadMonSprite);
         StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 1);
         paletteNum = AllocSpritePalette(0xD6F8);
-        LoadCompressedPalette(gTrainerBackPicPaletteTable[gSaveBlock2Ptr->playerGender].data, 0x100 + paletteNum * 16, 32);
+        LoadCompressedPalette(gTrainerBackPicPaletteTable[BACK_PIC_RED + gSaveBlock2Ptr->playerGender].data, 0x100 + paletteNum * 16, 32);
         gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = paletteNum;
-        taskId = CreateTask(sub_80EB0A8, 5);
+        taskId = CreateTask(Task_StartSendOutAnim, 5);
         gTasks[taskId].data[0] = gActiveBattler;
         if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
             gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-        gBattlerControllerFuncs[gActiveBattler] = nullsub_13;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 1;
+        gBattlerControllerFuncs[gActiveBattler] = PlayerDummy;
     }
     else
     {
@@ -2098,30 +2104,30 @@ static void OakOldManHandleIntroTrainerBallThrow(void)
     }
 }
 
-static void sub_80EAF34(u8 battlerId)
+static void StartSendOutAnim(u8 battlerId)
 {
     u16 species;
 
     gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies = SPECIES_NONE;
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
                                                 GetBattlerSpriteCoord(battlerId, 2),
                                                 GetBattlerSpriteDefault_Y(battlerId),
                                                 GetBattlerSpriteSubpriority(battlerId));
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
 }
 
-static void sub_80EB0A8(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     if (gTasks[taskId].data[1] < 31)
     {
@@ -2133,8 +2139,8 @@ static void sub_80EB0A8(u8 taskId)
 
         gActiveBattler = gTasks[taskId].data[0];
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_80EAF34(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E7B4C;
+        StartSendOutAnim(gActiveBattler);
+        gBattlerControllerFuncs[gActiveBattler] = Intro_TryShinyAnimShowHealthbox;
         gActiveBattler = savedActiveBattler;
         DestroyTask(taskId);
     }
@@ -2213,24 +2219,24 @@ static void OakOldManHandleCmd55(void)
     BeginFastPaletteFade(3);
     OakOldManBufferExecCompleted();
     if (!(gBattleTypeFlags & BATTLE_TYPE_IS_MASTER) && gBattleTypeFlags & BATTLE_TYPE_LINK)
-        gBattlerControllerFuncs[gActiveBattler] = sub_80E7930;
+        gBattlerControllerFuncs[gActiveBattler] = OakOldManSetBattleEndCallbacks;
 }
 
 static void OakOldManCmdEnd(void)
 {
 }
 
-bool8 sub_80EB2E0(u8 a1)
+bool8 BtlCtrl_OakOldMan_TestState2Flag(u8 mask)
 {
-    return gBattleStruct->field_96 & a1;
+    return gBattleStruct->simulatedInputState[2] & mask;
 }
 
-void sub_80EB2F4(u8 a1)
+void BtlCtrl_OakOldMan_SetState2Flag(u8 mask)
 {
-    gBattleStruct->field_96 |= a1;
+    gBattleStruct->simulatedInputState[2] |= mask;
 }
 
-void sub_80EB30C(void)
+void BtlCtrl_DrawVoiceoverMessageFrame(void)
 {
     u32 width = 0x1A;
     u32 pal = 7;
@@ -2263,7 +2269,7 @@ void sub_80EB30C(void)
     FillBgTilemapBufferRect(0, BG_TILE_V_FLIP(0x34), 0x1D, 0x13, 1,     1, pal);
 }
 
-void sub_80EB524(void)
+void BtlCtrl_RemoveVoiceoverMessageFrame(void)
 {
     u32 pal = 0;
     u32 width = 0x1A;
diff --git a/src/battle_controller_opponent.c b/src/battle_controller_opponent.c
index 29cde44df..7d34dd3d3 100644
--- a/src/battle_controller_opponent.c
+++ b/src/battle_controller_opponent.c
@@ -83,11 +83,11 @@ static u32 GetOpponentMonData(u8 monId, u8 *dst);
 static void SetOpponentMonData(u8 monId);
 static void DoSwitchOutAnimation(void);
 static void OpponentDoMoveAnimation(void);
-static void sub_80362E8(void);
-static void sub_8037A28(u8 battlerId, bool8 dontClearSubstituteBit);
-static void sub_8038DC4(u8 taskId);
-static void sub_8038D90(struct Sprite *sprite);
-static void sub_8038FBC(void);
+static void SwitchIn_HandleSoundAndEnd(void);
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit);
+static void Task_StartSendOutAnim(u8 taskId);
+static void SpriteCB_FreeOpponentSprite(struct Sprite *sprite);
+static void EndDrawPartyStatusSummary(void);
 
 static void (*const sOpponentBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 {
@@ -153,7 +153,7 @@ static void (*const sOpponentBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 // not used
 static const u8 gUnknown_8250B18[] = { 0xB0, 0xB0, 0xC8, 0x98, 0x28, 0x28, 0x28, 0x20 };
 
-static void nullsub_17(void)
+static void OpponentDummy(void)
 {
 }
 
@@ -185,7 +185,7 @@ static void CompleteOnBattlerSpriteCallbackDummy2(void)
         OpponentBufferExecCompleted();
 }
 
-static void sub_8035B58(void)
+static void FreeTrainerSpriteAfterSlide(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
@@ -197,16 +197,16 @@ static void sub_8035B58(void)
     }
 }
 
-static void sub_8035BE8(void)
+static void Intro_DelayAndEnd(void)
 {
-    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 0xFF)
+    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 0xFF)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         OpponentBufferExecCompleted();
     }
 }
 
-static void sub_8035C30(void)
+static void Intro_WaitForShinyAnimAndHealthbox(void)
 {
     bool8 var = FALSE;
 
@@ -222,68 +222,68 @@ static void sub_8035C30(void)
     }
     if (IsCryPlayingOrClearCrySongs())
         var = FALSE;
-    if (var && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1)
+    if (var && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
             m4aMPlayContinue(&gMPlayInfo_BGM);
         else
             m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 256);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 3;
-        gBattlerControllerFuncs[gActiveBattler] = sub_8035BE8;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 3;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_DelayAndEnd;
     }
 }
 
-static void sub_8035DF0(void)
+static void Intro_TryShinyAnimShowHealthbox(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
-        sub_80F1720(gActiveBattler ^ BIT_FLANK, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
+        TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
+        TryShinyAnimation(gActiveBattler ^ BIT_FLANK, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
         if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                      &gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler ^ BIT_FLANK);
+            StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
             SetBattlerShadowSpriteCallback(gActiveBattler ^ BIT_FLANK, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]], MON_DATA_SPECIES));
         }
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-        gBattlerControllerFuncs[gActiveBattler] = sub_8035C30;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = FALSE;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForShinyAnimAndHealthbox;
     }
 }
 
-static void sub_8035FE8(void)
+static void TryShinyAnimAfterMonAnim(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].animEnded == TRUE
      && gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x == 0)
     {
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
         {
-            sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+            TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
         }
-        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
         {
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-            FreeSpriteTilesByTag(0x27F9);
-            FreeSpritePaletteByTag(0x27F9);
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+            FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+            FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
             OpponentBufferExecCompleted();
         }
     }
@@ -300,10 +300,10 @@ static void CompleteOnHealthbarDone(void)
     }
     else
     {
-        if (!sub_80EB2E0(1) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
+        if (!BtlCtrl_OakOldMan_TestState2Flag(1) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
         {
-            sub_80EB2F4(1);
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E8570;
+            BtlCtrl_OakOldMan_SetState2Flag(1);
+            gBattlerControllerFuncs[gActiveBattler] = PrintOakText_InflictingDamageIsKey;
         }
         else
         {
@@ -312,7 +312,7 @@ static void CompleteOnHealthbarDone(void)
     }
 }
 
-static void sub_803612C(void)
+static void HideHealthboxAfterMonFaint(void)
 {
     if (!gSprites[gBattlerSpriteIds[gActiveBattler]].inUse)
     {
@@ -321,7 +321,7 @@ static void sub_803612C(void)
     }
 }
 
-static void sub_8036170(void)
+static void FreeMonSpriteAfterSwitchOutAnim(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -358,17 +358,17 @@ static void DoHitAnimBlinkSpriteEffect(void)
     }
 }
 
-static void sub_8036278(void)
+static void SwitchIn_ShowSubstitute(void)
 {
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
         if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
-        gBattlerControllerFuncs[gActiveBattler] = sub_80362E8;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_HandleSoundAndEnd;
     }
 }
 
-static void sub_80362E8(void)
+static void SwitchIn_HandleSoundAndEnd(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive && !IsCryPlayingOrClearCrySongs())
     {
@@ -377,33 +377,33 @@ static void sub_80362E8(void)
     }
 }
 
-static void sub_8036334(void)
+static void SwitchIn_ShowHealthbox(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 0);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler], &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         CopyBattleSpriteInvisibility(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_8036278;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowSubstitute;
     }
 }
 
-static void sub_8036408(void)
+static void SwitchIn_TryShinyAnim(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (gSprites[gUnknown_3004FFC[gActiveBattler]].callback == SpriteCallbackDummy
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
+        TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (gSprites[gBattleControllerData[gActiveBattler]].callback == SpriteCallbackDummy
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
     {
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-        gBattlerControllerFuncs[gActiveBattler] = sub_8036334;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_ShowHealthbox;
     }
 }
 
@@ -1025,8 +1025,8 @@ static void OpponentHandleLoadMonSprite(void)
     {
         DecompressGhostFrontPic(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
         y = GetGhostSpriteDefault_Y(gActiveBattler);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 1;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 1;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 1;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 1;
     }
     else
     {
@@ -1045,25 +1045,25 @@ static void OpponentHandleLoadMonSprite(void)
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], gBattleMonForms[gActiveBattler]);
     if (!(gBattleTypeFlags & BATTLE_TYPE_GHOST))
         SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-    gBattlerControllerFuncs[gActiveBattler] = sub_8035FE8;
+    gBattlerControllerFuncs[gActiveBattler] = TryShinyAnimAfterMonAnim;
 }
 
 static void OpponentHandleSwitchInAnim(void)
 {
     *(gBattleStruct->monToSwitchIntoId + gActiveBattler) = 6;
     gBattlerPartyIndexes[gActiveBattler] = gBattleBufferA[gActiveBattler][1];
-    sub_8037A28(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
-    gBattlerControllerFuncs[gActiveBattler] = sub_8036408;
+    StartSendOutAnim(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
+    gBattlerControllerFuncs[gActiveBattler] = SwitchIn_TryShinyAnim;
 }
 
-static void sub_8037A28(u8 battlerId, bool8 dontClearSubstituteBit)
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit)
 {
     u16 species;
 
     ClearTemporarySpeciesSpriteData(battlerId, dontClearSubstituteBit);
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gEnemyParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     BattleLoadOpponentMonSpriteGfx(&gEnemyParty[gBattlerPartyIndexes[battlerId]], battlerId);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
@@ -1072,12 +1072,12 @@ static void sub_8037A28(u8 battlerId, bool8 dontClearSubstituteBit)
                                                 GetBattlerSpriteSubpriority(battlerId));
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_OPPONENT_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_OPPONENT_SENDOUT);
 }
 
 static void OpponentHandleReturnMonToBall(void)
@@ -1111,7 +1111,7 @@ static void DoSwitchOutAnimation(void)
         {
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_OPPONENT_MON);
-            gBattlerControllerFuncs[gActiveBattler] = sub_8036170;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterSwitchOutAnim;
         }
         break;
     }
@@ -1143,7 +1143,7 @@ static void OpponentHandleDrawTrainerPic(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum;
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum = GetSpriteTileStartByTag(gTrainerFrontPicTable[trainerPicId].tag);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.affineParam = trainerPicId;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -1174,7 +1174,7 @@ static void OpponentHandleTrainerSlide(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum;
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum = GetSpriteTileStartByTag(gTrainerFrontPicTable[trainerPicId].tag);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.affineParam = trainerPicId;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy2;
 }
 
@@ -1186,7 +1186,7 @@ static void OpponentHandleTrainerSlideBack(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCallbackDummy);
-    gBattlerControllerFuncs[gActiveBattler] = sub_8035B58;
+    gBattlerControllerFuncs[gActiveBattler] = FreeTrainerSpriteAfterSlide;
 }
 
 static void OpponentHandleFaintAnimation(void)
@@ -1204,7 +1204,7 @@ static void OpponentHandleFaintAnimation(void)
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             PlaySE12WithPanning(SE_FAINT, SOUND_PAN_TARGET);
             gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintOpponentMon;
-            gBattlerControllerFuncs[gActiveBattler] = sub_803612C;
+            gBattlerControllerFuncs[gActiveBattler] = HideHealthboxAfterMonFaint;
         }
     }
 }
@@ -1231,7 +1231,7 @@ static void OpponentHandlePause(void)
 
 static void OpponentHandleMoveAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u16 move = gBattleBufferA[gActiveBattler][1] | (gBattleBufferA[gActiveBattler][2] << 8);
 
@@ -1273,7 +1273,7 @@ static void OpponentDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(0);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -1282,7 +1282,7 @@ static void OpponentDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(1);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute && multihit < 2)
             {
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
@@ -1311,7 +1311,7 @@ static void OpponentHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
+    if (BattleStringShouldBeColored(*stringId))
         BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
@@ -1320,10 +1320,10 @@ static void OpponentHandlePrintString(void)
         switch (*stringId)
         {
         case 0x17F:
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E85C0;
+            gBattlerControllerFuncs[gActiveBattler] = PrintOakText_HowDisappointing;
             return;
         case 0xE3:
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E8598;
+            gBattlerControllerFuncs[gActiveBattler] = PrintOakText_OakNoRunningFromATrainer;
             return;
         }
     }
@@ -1479,7 +1479,7 @@ static void OpponentHandleExpUpdate(void)
 
 static void OpponentHandleStatusIconUpdate(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 battlerId;
 
@@ -1492,7 +1492,7 @@ static void OpponentHandleStatusIconUpdate(void)
 
 static void OpponentHandleStatusAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         InitAndLaunchChosenStatusAnimation(gBattleBufferA[gActiveBattler][1],
                                            gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8) | (gBattleBufferA[gActiveBattler][4] << 16) | (gBattleBufferA[gActiveBattler][5] << 24));
@@ -1632,16 +1632,16 @@ static void OpponentHandleIntroTrainerBallThrow(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 280;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
-    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_8038D90);
-    taskId = CreateTask(sub_8038DC4, 5);
+    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreeOpponentSprite);
+    taskId = CreateTask(Task_StartSendOutAnim, 5);
     gTasks[taskId].data[0] = gActiveBattler;
     if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
         gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-    gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-    gBattlerControllerFuncs[gActiveBattler] = nullsub_17;
+    gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = TRUE;
+    gBattlerControllerFuncs[gActiveBattler] = OpponentDummy;
 }
 
-static void sub_8038D90(struct Sprite *sprite)
+static void SpriteCB_FreeOpponentSprite(struct Sprite *sprite)
 {
     FreeTrainerFrontPicPaletteAndTile(sprite->oam.affineParam);
     sprite->oam.tileNum = sprite->data[5];
@@ -1649,7 +1649,7 @@ static void sub_8038D90(struct Sprite *sprite)
     DestroySprite(sprite);
 }
 
-static void sub_8038DC4(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     u8 savedActiveBattler = gActiveBattler;
 
@@ -1657,18 +1657,18 @@ static void sub_8038DC4(u8 taskId)
     if (!IsDoubleBattle() || (gBattleTypeFlags & BATTLE_TYPE_MULTI))
     {
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_8037A28(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
     }
     else
     {
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_8037A28(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
         gActiveBattler ^= BIT_FLANK;
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_8037A28(gActiveBattler, FALSE);
+        StartSendOutAnim(gActiveBattler, FALSE);
         gActiveBattler ^= BIT_FLANK;
     }
-    gBattlerControllerFuncs[gActiveBattler] = sub_8035DF0;
+    gBattlerControllerFuncs[gActiveBattler] = Intro_TryShinyAnimShowHealthbox;
     gActiveBattler = savedActiveBattler;
     DestroyTask(taskId);
 }
@@ -1684,32 +1684,32 @@ static void OpponentHandleDrawPartyStatusSummary(void)
         gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown = 1;
         if (gBattleBufferA[gActiveBattler][2])
         {
-            if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E <= 1)
+            if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay < 2)
             {
-                ++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E;
+                ++gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay;
                 return;
             }
             else
             {
-                gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1E = 0;
+                gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].opponentDrawPartyStatusSummaryDelay = 0;
             }
         }
         gBattlerStatusSummaryTaskId[gActiveBattler] = CreatePartyStatusSummarySprites(gActiveBattler, 
                                                                                       (struct HpAndStatus *)&gBattleBufferA[gActiveBattler][4], 
                                                                                       gBattleBufferA[gActiveBattler][1], 
                                                                                       gBattleBufferA[gActiveBattler][2]);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         if (gBattleBufferA[gActiveBattler][2])
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0x5D;
-        gBattlerControllerFuncs[gActiveBattler] = sub_8038FBC;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0x5D;
+        gBattlerControllerFuncs[gActiveBattler] = EndDrawPartyStatusSummary;
     }
 }
 
-static void sub_8038FBC(void)
+static void EndDrawPartyStatusSummary(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5++ > 0x5C)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer++ > 0x5C)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         OpponentBufferExecCompleted();
     }
 }
@@ -1738,7 +1738,7 @@ static void OpponentHandleSpriteInvisibility(void)
 
 static void OpponentHandleBattleAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 animationId = gBattleBufferA[gActiveBattler][1];
         u16 argument = gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8);
diff --git a/src/battle_controller_player.c b/src/battle_controller_player.c
index db51f6e05..a162981ec 100644
--- a/src/battle_controller_player.c
+++ b/src/battle_controller_player.c
@@ -98,13 +98,13 @@ static u32 CopyPlayerMonData(u8 monId, u8 *dst);
 static void SetPlayerMonData(u8 monId);
 static void DoSwitchOutAnimation(void);
 static void PlayerDoMoveAnimation(void);
-static void task05_08033660(u8 taskId);
-static void sub_8033AC8(void);
-static void sub_802FCAC(void);
-static void sub_80300F4(u8 taskId);
-static void sub_80303A8(u8 taskId);
-static void sub_8031FF4(u8 battlerId, bool8 dontClearSubstituteBit);
-static void sub_8033830(void);
+static void Task_StartSendOutAnim(u8 taskId);
+static void PreviewDeterminativeMoveTargets(void);
+static void SwitchIn_HandleSoundAndEnd(void);
+static void Task_GiveExpWithExpBar(u8 taskId);
+static void Task_CreateLevelUpVerticalStripes(u8 taskId);
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit);
+static void EndDrawPartyStatusSummary(void);
 
 static void (*const sPlayerBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 {
@@ -172,7 +172,7 @@ static const u8 sTargetIdentities[] = { B_POSITION_PLAYER_LEFT, B_POSITION_PLAYE
 // not used
 static const u8 gUnknown_8250984[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
 
-void nullsub_13(void)
+void PlayerDummy(void)
 {
 }
 
@@ -308,7 +308,7 @@ static void HandleInputChooseAction(void)
     }
 }
 
-static void sub_802E640(void)
+UNUSED static void UnusedEndBounceEffect(void)
 {
     EndBounceEffect(gActiveBattler, BOUNCE_HEALTHBOX);
     EndBounceEffect(gActiveBattler, BOUNCE_MON);
@@ -336,7 +336,7 @@ static void HandleInputChooseTarget(void)
     if (JOY_NEW(A_BUTTON))
     {
         PlaySE(SE_SELECT);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012098;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_HideAsMoveTarget;
         BtlController_EmitTwoReturnValues(1, 10, gMoveSelectionCursor[gActiveBattler] | (gMultiUsePlayerCursor << 8));
         EndBounceEffect(gMultiUsePlayerCursor, BOUNCE_HEALTHBOX);
         PlayerBufferExecCompleted();
@@ -344,7 +344,7 @@ static void HandleInputChooseTarget(void)
     else if (JOY_NEW(B_BUTTON))
     {
         PlaySE(SE_SELECT);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012098;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_HideAsMoveTarget;
         gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseMove;
         DoBounceEffect(gActiveBattler, BOUNCE_HEALTHBOX, 7, 1);
         DoBounceEffect(gActiveBattler, BOUNCE_MON, 7, 1);
@@ -353,7 +353,7 @@ static void HandleInputChooseTarget(void)
     else if (JOY_NEW(DPAD_LEFT | DPAD_UP))
     {
         PlaySE(SE_SELECT);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012098;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_HideAsMoveTarget;
 
         do
         {
@@ -388,12 +388,12 @@ static void HandleInputChooseTarget(void)
                 i = 0;
         }
         while (i == 0);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012044;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_ShowAsMoveTarget;
     }
     else if (JOY_NEW(DPAD_RIGHT | DPAD_DOWN))
     {
         PlaySE(SE_SELECT);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012098;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_HideAsMoveTarget;
 
         do
         {
@@ -428,7 +428,7 @@ static void HandleInputChooseTarget(void)
                 i = 0;
         }
         while (i == 0);
-        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012044;
+        gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_ShowAsMoveTarget;
     }
 }
 
@@ -437,7 +437,7 @@ void HandleInputChooseMove(void)
     bool32 canSelectTarget = FALSE;
     struct ChooseMoveStruct *moveInfo = (struct ChooseMoveStruct *)(&gBattleBufferA[gActiveBattler][4]);
 
-    sub_8033AC8();
+    PreviewDeterminativeMoveTargets();
     if (JOY_NEW(A_BUTTON))
     {
         u8 moveTarget;
@@ -495,7 +495,7 @@ void HandleInputChooseMove(void)
                 gMultiUsePlayerCursor = GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT);
             else
                 gMultiUsePlayerCursor = GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT);
-            gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = sub_8012044;
+            gSprites[gBattlerSpriteIds[gMultiUsePlayerCursor]].callback = SpriteCb_ShowAsMoveTarget;
         }
     }
     else if (JOY_NEW(B_BUTTON))
@@ -577,7 +577,7 @@ void HandleInputChooseMove(void)
 }
 
 // not used
-static u32 sub_802EDDC(void)
+static u32 HandleMoveInputUnused(void)
 {
     u32 var = 0;
 
@@ -704,7 +704,7 @@ static void HandleMoveSwitching(void)
             }
         }
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E7988;
+            gBattlerControllerFuncs[gActiveBattler] = OakOldManHandleInputChooseMove;
         else
             gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseMove;
         gMoveSelectionCursor[gActiveBattler] = gMultiUsePlayerCursor;
@@ -719,7 +719,7 @@ static void HandleMoveSwitching(void)
         MoveSelectionDestroyCursorAt(gMultiUsePlayerCursor);
         MoveSelectionCreateCursorAt(gMoveSelectionCursor[gActiveBattler], 0);
         if (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE)
-            gBattlerControllerFuncs[gActiveBattler] = sub_80E7988;
+            gBattlerControllerFuncs[gActiveBattler] = OakOldManHandleInputChooseMove;
         else
             gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseMove;
         MoveSelectionDisplayPpString();
@@ -792,7 +792,7 @@ static void HandleMoveSwitching(void)
     }
 }
 
-static void sub_802F610(void)
+static void SetLinkBattleEndCallbacks(void)
 {
     if (gWirelessCommType == 0)
     {
@@ -801,7 +801,7 @@ static void sub_802F610(void)
             m4aSongNumStop(SE_LOW_HEALTH);
             gMain.inBattle = 0;
             gMain.callback1 = gPreBattleCallback1;
-            SetMainCallback2(sub_8011A1C);
+            SetMainCallback2(CB2_InitEndLinkBattle);
             FreeAllWindowBuffers();
         }
     }
@@ -810,22 +810,22 @@ static void sub_802F610(void)
         m4aSongNumStop(SE_LOW_HEALTH);
         gMain.inBattle = 0;
         gMain.callback1 = gPreBattleCallback1;
-        SetMainCallback2(sub_8011A1C);
+        SetMainCallback2(CB2_InitEndLinkBattle);
         FreeAllWindowBuffers();
     }
 }
 
-void sub_802F6A8(void)
+void SetBattleEndCallbacks(void)
 {
     if (!gPaletteFade.active)
     {
         if (gBattleTypeFlags & BATTLE_TYPE_LINK)
         {
             if (gWirelessCommType == 0)
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
             else
-                PrepareSendLinkCmd2FFE_or_RfuCmd6600();
-            gBattlerControllerFuncs[gActiveBattler] = sub_802F610;
+                SetLinkStandbyCallback();
+            gBattlerControllerFuncs[gActiveBattler] = SetLinkBattleEndCallbacks;
         }
         else
         {
@@ -849,27 +849,27 @@ static void CompleteOnBattlerSpriteCallbackDummy2(void)
         PlayerBufferExecCompleted();
 }
 
-static void sub_802F7A0(void)
+static void FreeTrainerSpriteAfterSlide(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
     {
-        nullsub_16(gSaveBlock2Ptr->playerGender);
+        BattleGfxSfxDummy3(gSaveBlock2Ptr->playerGender);
         FreeSpriteOamMatrix(&gSprites[gBattlerSpriteIds[gActiveBattler]]);
         DestroySprite(&gSprites[gBattlerSpriteIds[gActiveBattler]]);
         PlayerBufferExecCompleted();
     }
 }
 
-static void sub_802F810(void)
+static void Intro_DelayAndEnd(void)
 {
-    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 0xFF)
+    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 0xFF)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         PlayerBufferExecCompleted();
     }
 }
 
-static void sub_802F858(void)
+static void Intro_WaitForShinyAnimAndHealthbox(void)
 {
     bool8 var = FALSE;
 
@@ -885,16 +885,16 @@ static void sub_802F858(void)
             var = TRUE;
     }
     if (IsCryPlayingOrClearCrySongs())
-        var = FALSE;            
-    if (var && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1
-        && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1)
-    {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        var = FALSE;
+    if (var && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim
+        && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim)
+    {
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
             if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
                 m4aMPlayContinue(&gMPlayInfo_BGM);
             else
@@ -902,55 +902,55 @@ static void sub_802F858(void)
         HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
         if (IsDoubleBattle())
             HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]], gActiveBattler ^ BIT_FLANK);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 3;
-        gBattlerControllerFuncs[gActiveBattler] = sub_802F810;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 3;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_DelayAndEnd;
     }
 }
 
-static void sub_802FA58(void)
+static void Intro_TryShinyAnimShowHealthbox(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
-            sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80)
-            sub_80F1720(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
+            TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim)
+            TryShinyAnimation(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
         if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                      &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler ^ BIT_FLANK);
+            StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
         }
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-        gBattlerControllerFuncs[gActiveBattler] = sub_802F858;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 0;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForShinyAnimAndHealthbox;
     }
 }
 
-static void sub_802FBF4(void)
+static void SwitchIn_CleanShinyAnimShowSubstitute(void)
 {
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
-        gBattlerControllerFuncs[gActiveBattler] = sub_802FCAC;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_HandleSoundAndEnd;
     }
 }
 
-static void sub_802FCAC(void)
+static void SwitchIn_HandleSoundAndEnd(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive
      && !IsCryPlayingOrClearCrySongs())
@@ -961,26 +961,26 @@ static void sub_802FCAC(void)
     }
 }
 
-static void sub_802FD18(void)
+static void SwitchIn_TryShinyAnimShowHealthbox(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim
      && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (gSprites[gUnknown_3004FFC[gActiveBattler]].callback == SpriteCallbackDummy
+        TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (gSprites[gBattleControllerData[gActiveBattler]].callback == SpriteCallbackDummy
      && !(gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive))
     {
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         CopyBattleSpriteInvisibility(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_802FBF4;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_CleanShinyAnimShowSubstitute;
     }
 }
 
-void c3_0802FDF4(u8 taskId)
+void Task_PlayerController_RestoreBgmAfterCry(u8 taskId)
 {
     if (!IsCryPlayingOrClearCrySongs())
     {
@@ -1078,10 +1078,10 @@ static void Task_PrepareToGiveExpWithExpBar(u8 taskId)
     expToNextLvl = gExperienceTables[gBaseStats[species].growthRate][level + 1] - currLvlExp;
     SetBattleBarStruct(battlerId, gHealthboxSpriteIds[battlerId], expToNextLvl, exp, -gainedExp);
     PlaySE(SE_EXP);
-    gTasks[taskId].func = sub_80300F4;
+    gTasks[taskId].func = Task_GiveExpWithExpBar;
 }
 
-static void sub_80300F4(u8 taskId)
+static void Task_GiveExpWithExpBar(u8 taskId)
 {
     if (gTasks[taskId].tExpTask_frames < 13)
     {
@@ -1167,7 +1167,7 @@ static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId)
 
     if (IsBattlerSpriteVisible((u8)battlerId) == TRUE)
     {
-        gTasks[taskId].func = sub_80303A8;
+        gTasks[taskId].func = Task_CreateLevelUpVerticalStripes;
         gTasks[taskId].data[15] = 0;
     }
     else
@@ -1177,12 +1177,12 @@ static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId)
     }
 }
 
-static void sub_80303A8(u8 taskId)
+static void Task_CreateLevelUpVerticalStripes(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
     u8 battlerId = tExpTask_battler;
-    u16 v5 = GetBattlerSpriteBGPriorityRank(battlerId);
-    bool32 v6 = ((v5 ^ BIT_SIDE)) != B_SIDE_PLAYER;
+    u16 bgPriorityRank = GetBattlerSpriteBGPriorityRank(battlerId);
+    bool32 isOnBg2 = ((bgPriorityRank ^ 1)) != 0;
     struct Sprite *sprite = &gSprites[gBattlerSpriteIds[battlerId]];
 
     switch (data[15])
@@ -1190,7 +1190,7 @@ static void sub_80303A8(u8 taskId)
     case 0:
         if (!IsTextPrinterActive(0))
         {
-            if (!v6)
+            if (!isOnBg2)
             {
                 data[14] = gBattle_BG1_X;
                 data[13] = gBattle_BG1_Y;
@@ -1210,7 +1210,7 @@ static void sub_80303A8(u8 taskId)
     case 1:
         {
             u32 battlerIdAlt = battlerId;
-            bool32 v6Alt = v6;
+            bool32 v6Alt = isOnBg2;
 
             MoveBattlerSpriteToBG(battlerIdAlt, v6Alt);
         }
@@ -1235,14 +1235,14 @@ static void sub_80303A8(u8 taskId)
         }
         break;
     case 5:
-        sub_8073128(v6);
+        ResetBattleAnimBg(isOnBg2);
         ++data[15];
         break;
     case 4:
         ++data[15];
         break;
     case 6:
-        if (!v6)
+        if (!isOnBg2)
         {
             gBattle_BG1_X = data[14];
             gBattle_BG1_Y = data[13];
@@ -1258,7 +1258,7 @@ static void sub_80303A8(u8 taskId)
     }
 }
 
-static void sub_8030538(void)
+static void FreeMonSpriteAfterFaintAnim(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y + gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.y > DISPLAY_HEIGHT)
     {
@@ -1269,7 +1269,7 @@ static void sub_8030538(void)
     }
 }
 
-static void sub_80305A0(void)
+static void FreeMonSpriteAfterSwitchOutAnim(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -1293,8 +1293,8 @@ static void OpenPartyMenuToChooseMon(void)
         u8 caseId;
 
         gBattlerControllerFuncs[gActiveBattler] = WaitForMonSelection;
-        caseId = gTasks[gUnknown_3004FFC[gActiveBattler]].data[0];
-        DestroyTask(gUnknown_3004FFC[gActiveBattler]);
+        caseId = gTasks[gBattleControllerData[gActiveBattler]].data[0];
+        DestroyTask(gBattleControllerData[gActiveBattler]);
         FreeAllWindowBuffers();
         OpenPartyMenuInTutorialBattle(caseId);
     }
@@ -1319,7 +1319,7 @@ static void OpenBagAndChooseItem(void)
     if (!gPaletteFade.active)
     {
         gBattlerControllerFuncs[gActiveBattler] = CompleteWhenChoseItem;
-        nullsub_44();
+        ReshowBattleScreenDummy();
         FreeAllWindowBuffers();
         CB2_BagMenuFromBattle();
     }
@@ -2090,31 +2090,31 @@ static void PlayerHandleSwitchInAnim(void)
     BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
     gActionSelectionCursor[gActiveBattler] = 0;
     gMoveSelectionCursor[gActiveBattler] = 0;
-    sub_8031FF4(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
-    gBattlerControllerFuncs[gActiveBattler] = sub_802FD18;
+    StartSendOutAnim(gActiveBattler, gBattleBufferA[gActiveBattler][2]);
+    gBattlerControllerFuncs[gActiveBattler] = SwitchIn_TryShinyAnimShowHealthbox;
 }
 
-static void sub_8031FF4(u8 battlerId, bool8 dontClearSubstituteBit)
+static void StartSendOutAnim(u8 battlerId, bool8 dontClearSubstituteBit)
 {
     u16 species;
 
     ClearTemporarySpeciesSpriteData(battlerId, dontClearSubstituteBit);
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
                                                 GetBattlerSpriteCoord(battlerId, 2),
                                                 GetBattlerSpriteDefault_Y(battlerId),
                                                 GetBattlerSpriteSubpriority(battlerId));
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
 }
 
 static void PlayerHandleReturnMonToBall(void)
@@ -2147,7 +2147,7 @@ static void DoSwitchOutAnimation(void)
         {
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 0;
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_PLAYER_MON);
-            gBattlerControllerFuncs[gActiveBattler] = sub_80305A0;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterSwitchOutAnim;
         }
         break;
     }
@@ -2175,13 +2175,13 @@ static void PlayerHandleDrawTrainerPic(void)
         if ((gLinkPlayers[GetMultiplayerId()].version & 0xFF) == VERSION_RUBY
          || (gLinkPlayers[GetMultiplayerId()].version & 0xFF) == VERSION_SAPPHIRE
          || (gLinkPlayers[GetMultiplayerId()].version & 0xFF) == VERSION_EMERALD)
-            trainerPicId = gLinkPlayers[GetMultiplayerId()].gender + 2;
+            trainerPicId = gLinkPlayers[GetMultiplayerId()].gender + BACK_PIC_RS_BRENDAN;
         else
-            trainerPicId = gLinkPlayers[GetMultiplayerId()].gender + 0;
+            trainerPicId = gLinkPlayers[GetMultiplayerId()].gender + BACK_PIC_RED;
     }
     else
     {
-        trainerPicId = gSaveBlock2Ptr->playerGender + 0;
+        trainerPicId = gSaveBlock2Ptr->playerGender + BACK_PIC_RED;
     }
     DecompressTrainerBackPalette(trainerPicId, gActiveBattler);
     SetMultiuseSpriteTemplateToTrainerBack(trainerPicId, GetBattlerPosition(gActiveBattler));
@@ -2192,7 +2192,7 @@ static void PlayerHandleDrawTrainerPic(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = 240;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = -2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -2215,14 +2215,14 @@ static void PlayerHandleTrainerSlide(void)
     }
     DecompressTrainerBackPalette(trainerPicId, gActiveBattler);
     SetMultiuseSpriteTemplateToTrainerBack(trainerPicId, GetBattlerPosition(gActiveBattler));
-    gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate, 
-                                                     80, 
-                                                     (8 - gTrainerBackPicCoords[trainerPicId].size) * 4 + 80, 
+    gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
+                                                     80,
+                                                     (8 - gTrainerBackPicCoords[trainerPicId].size) * 4 + 80,
                                                      30);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = -96;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = 2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy2;
 }
 
@@ -2235,7 +2235,7 @@ static void PlayerHandleTrainerSlideBack(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCallbackDummy);
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 1);
-    gBattlerControllerFuncs[gActiveBattler] = sub_802F7A0;
+    gBattlerControllerFuncs[gActiveBattler] = FreeTrainerSpriteAfterSlide;
 }
 
 static void PlayerHandleFaintAnimation(void)
@@ -2255,8 +2255,8 @@ static void PlayerHandleFaintAnimation(void)
             PlaySE12WithPanning(SE_FAINT, SOUND_PAN_ATTACKER);
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[1] = 0;
             gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 5;
-            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8012110;
-            gBattlerControllerFuncs[gActiveBattler] = sub_8030538;
+            gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintSlideAnim;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterFaintAnim;
         }
     }
 }
@@ -2296,7 +2296,7 @@ static void PlayerHandlePause(void)
 
 static void PlayerHandleMoveAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u16 move = gBattleBufferA[gActiveBattler][1] | (gBattleBufferA[gActiveBattler][2] << 8);
 
@@ -2338,7 +2338,7 @@ static void PlayerDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(0);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -2347,7 +2347,7 @@ static void PlayerDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(1);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute && multihit < 2)
             {
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
@@ -2376,8 +2376,8 @@ static void PlayerHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
-        BattlePutTextOnWindow(gDisplayedStringBattle, 64);
+    if (BattleStringShouldBeColored(*stringId))
+        BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnInactiveTextPrinter2;
@@ -2460,10 +2460,10 @@ static void PlayerHandleChoosePokemon(void)
 {
     s32 i;
 
-    gUnknown_3004FFC[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
-    gTasks[gUnknown_3004FFC[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
+    gBattleControllerData[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
+    gTasks[gBattleControllerData[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
     *(&gBattleStruct->battlerPreventingSwitchout) = gBattleBufferA[gActiveBattler][1] >> 4;
-    *(&gBattleStruct->field_8B) = gBattleBufferA[gActiveBattler][2];
+    *(&gBattleStruct->playerPartyIdx) = gBattleBufferA[gActiveBattler][2];
     *(&gBattleStruct->abilityPreventingSwitchout) = gBattleBufferA[gActiveBattler][3];
     for (i = 0; i < 3; ++i)
         gBattlePartyCurrentOrder[i] = gBattleBufferA[gActiveBattler][4 + i];
@@ -2489,13 +2489,13 @@ static void PlayerHandleHealthBarUpdate(void)
     {
         u32 maxHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_MAX_HP);
         u32 curHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, curHP, hpVal);
     }
     else
     {
         u32 maxHP = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_MAX_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, 0, hpVal);
         UpdateHpTextInHealthbox(gHealthboxSpriteIds[gActiveBattler], 0, HP_CURRENT);
     }
@@ -2522,13 +2522,13 @@ static void PlayerHandleExpUpdate(void)
         gTasks[taskId].tExpTask_monId = monId;
         gTasks[taskId].tExpTask_gainedExp = expPointsToGive;
         gTasks[taskId].tExpTask_battler = gActiveBattler;
-        gBattlerControllerFuncs[gActiveBattler] = nullsub_13;
+        gBattlerControllerFuncs[gActiveBattler] = PlayerDummy;
     }
 }
 
 static void PlayerHandleStatusIconUpdate(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 battlerId;
 
@@ -2541,7 +2541,7 @@ static void PlayerHandleStatusIconUpdate(void)
 
 static void PlayerHandleStatusAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         InitAndLaunchChosenStatusAnimation(gBattleBufferA[gActiveBattler][1],
                                            gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8) | (gBattleBufferA[gActiveBattler][4] << 16) | (gBattleBufferA[gActiveBattler][5] << 24));
@@ -2707,22 +2707,22 @@ static void PlayerHandleIntroTrainerBallThrow(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = 50;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = -40;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_80755B8;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = PlayerThrowBall_StartAnimLinearTranslation;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gActiveBattler;
-    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_80335F8);
+    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreePlayerSpriteLoadMonSprite);
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 1);
     paletteNum = AllocSpritePalette(0xD6F8);
     LoadCompressedPalette(gTrainerBackPicPaletteTable[gSaveBlock2Ptr->playerGender].data, 0x100 + paletteNum * 16, 32);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = paletteNum;
-    taskId = CreateTask(task05_08033660, 5);
+    taskId = CreateTask(Task_StartSendOutAnim, 5);
     gTasks[taskId].data[0] = gActiveBattler;
     if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
         gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-    gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-    gBattlerControllerFuncs[gActiveBattler] = nullsub_13;
+    gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 1;
+    gBattlerControllerFuncs[gActiveBattler] = PlayerDummy;
 }
 
-void sub_80335F8(struct Sprite *sprite)
+void SpriteCB_FreePlayerSpriteLoadMonSprite(struct Sprite *sprite)
 {
     u8 battlerId = sprite->data[5];
 
@@ -2733,7 +2733,7 @@ void sub_80335F8(struct Sprite *sprite)
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], 0);
 }
 
-static void task05_08033660(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     if (gTasks[taskId].data[1] < 31)
     {
@@ -2747,19 +2747,19 @@ static void task05_08033660(u8 taskId)
         if (!IsDoubleBattle() || (gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-            sub_8031FF4(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
         }
         else
         {
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-            sub_8031FF4(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
             gActiveBattler ^= BIT_FLANK;
             gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
             BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
-            sub_8031FF4(gActiveBattler, FALSE);
+            StartSendOutAnim(gActiveBattler, FALSE);
             gActiveBattler ^= BIT_FLANK;
         }
-        gBattlerControllerFuncs[gActiveBattler] = sub_802FA58;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_TryShinyAnimShowHealthbox;
         gActiveBattler = savedActiveBattler;
         DestroyTask(taskId);
     }
@@ -2775,18 +2775,18 @@ static void PlayerHandleDrawPartyStatusSummary(void)
     {
         gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown = 1;
         gBattlerStatusSummaryTaskId[gActiveBattler] = CreatePartyStatusSummarySprites(gActiveBattler, (struct HpAndStatus *)&gBattleBufferA[gActiveBattler][4], gBattleBufferA[gActiveBattler][1], gBattleBufferA[gActiveBattler][2]);
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         if (gBattleBufferA[gActiveBattler][2] != 0)
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0x5D;
-        gBattlerControllerFuncs[gActiveBattler] = sub_8033830;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 93;
+        gBattlerControllerFuncs[gActiveBattler] = EndDrawPartyStatusSummary;
     }
 }
 
-static void sub_8033830(void)
+static void EndDrawPartyStatusSummary(void)
 {
-    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5++ > 0x5C)
+    if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer++ > 0x5C)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_5 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusDelayTimer = 0;
         PlayerBufferExecCompleted();
     }
 }
@@ -2817,7 +2817,7 @@ static void PlayerHandleSpriteInvisibility(void)
 
 static void PlayerHandleBattleAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 animationId = gBattleBufferA[gActiveBattler][1];
         u16 argument = gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8);
@@ -2871,14 +2871,14 @@ static void PlayerHandleCmd55(void)
     FadeOutMapMusic(5);
     BeginFastPaletteFade(3);
     PlayerBufferExecCompleted();
-    gBattlerControllerFuncs[gActiveBattler] = sub_802F6A8;
+    gBattlerControllerFuncs[gActiveBattler] = SetBattleEndCallbacks;
 }
 
 static void PlayerCmdEnd(void)
 {
 }
 
-static void sub_8033AC8(void)
+static void PreviewDeterminativeMoveTargets(void)
 {
     u32 bitMask = 0;
     u8 startY = 0;
diff --git a/src/battle_controller_pokedude.c b/src/battle_controller_pokedude.c
index e6af71b6c..0949463c3 100644
--- a/src/battle_controller_pokedude.c
+++ b/src/battle_controller_pokedude.c
@@ -15,18 +15,19 @@
 #include "battle_controllers.h"
 #include "battle_interface.h"
 #include "battle_message.h"
+#include "battle_string_ids.h"
 #include "reshow_battle_screen.h"
 #include "teachy_tv.h"
 #include "constants/songs.h"
 #include "constants/moves.h"
 #include "constants/pokemon.h"
 
-struct Unk_84790E8
+struct PokedudeTextScriptHeader
 {
-    u8 unk_0;
-    u8 unk_1;
-    u16 unk_2;
-    void (*unk_4)(void);
+    u8 btlcmd;
+    u8 side;
+    u16 stringid;
+    void (*callback)(void);
 };
 
 struct PokedudeBattlePartyInfo
@@ -97,471 +98,107 @@ static void PokedudeHandleResetActionMoveSelection(void);
 static void PokedudeHandleCmd55(void);
 static void PokedudeCmdEnd(void);
 
-static void sub_8159BA8(void);
-static void sub_8159D04(void);
+static void PokedudeAction_PrintVoiceoverMessage(void);
+static void PokedudeAction_PrintMessageWithHealthboxPals(void);
 static void PokedudeBufferExecCompleted(void);
-static void sub_8159824(void);
+static void PokedudeSimulateInputChooseAction(void);
 static void PokedudeBufferRunCommand(void);
-static bool8 sub_8159AB8(void);
-static void sub_8159998(void);
+static bool8 HandlePokedudeVoiceoverEtc(void);
+static void PokedudeSimulateInputChooseMove(void);
 static void WaitForMonSelection(void);
 static void CompleteWhenChoseItem(void);
-static void sub_81567B0(void);
+static void Intro_WaitForShinyAnimAndHealthbox(void);
 static void Task_LaunchLvlUpAnim(u8 taskId);
 static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId);
 static void CompleteOnInactiveTextPrinter2(void);
 static void Task_PrepareToGiveExpWithExpBar(u8 taskId);
-static void sub_8156B24(u8 taskId);
+static void Task_GiveExpWithExpBar(u8 taskId);
 static void Task_UpdateLvlInHealthbox(u8 taskId);
 static u32 CopyPokedudeMonData(u8 monId, u8 *dst);
 static void SetPokedudeMonData(u8 monId);
-static void sub_8159478(u8 battlerId);
+static void StartSendOutAnim(u8 battlerId);
 static void PokedudeDoMoveAnimation(void);
-static void sub_81595EC(u8 taskId);
+static void Task_StartSendOutAnim(u8 taskId);
 static const u8 *GetPokedudeText(void);
 
-u8 *gUnknown_3005EE0[MAX_BATTLERS_COUNT];
-
 static void (*const sPokedudeBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
-{
-    PokedudeHandleGetMonData,
-    PokedudeHandleGetRawMonData,
-    PokedudeHandleSetMonData,
-    PokedudeHandleSetRawMonData,
-    PokedudeHandleLoadMonSprite,
-    PokedudeHandleSwitchInAnim,
-    PokedudeHandleReturnMonToBall,
-    PokedudeHandleDrawTrainerPic,
-    PokedudeHandleTrainerSlide,
-    PokedudeHandleTrainerSlideBack,
-    PokedudeHandleFaintAnimation,
-    PokedudeHandlePaletteFade,
-    PokedudeHandleSuccessBallThrowAnim,
-    PokedudeHandleBallThrowAnim,
-    PokedudeHandlePause,
-    PokedudeHandleMoveAnimation,
-    PokedudeHandlePrintString,
-    PokedudeHandlePrintSelectionString,
-    PokedudeHandleChooseAction,
-    PokedudeHandleUnknownYesNoBox,
-    PokedudeHandleChooseMove,
-    PokedudeHandleChooseItem,
-    PokedudeHandleChoosePokemon,
-    PokedudeHandleCmd23,
-    PokedudeHandleHealthBarUpdate,
-    PokedudeHandleExpUpdate,
-    PokedudeHandleStatusIconUpdate,
-    PokedudeHandleStatusAnimation,
-    PokedudeHandleStatusXor,
-    PokedudeHandleDataTransfer,
-    PokedudeHandleDMA3Transfer,
-    PokedudeHandlePlayBGM,
-    PokedudeHandleCmd32,
-    PokedudeHandleTwoReturnValues,
-    PokedudeHandleChosenMonReturnValue,
-    PokedudeHandleOneReturnValue,
-    PokedudeHandleOneReturnValue_Duplicate,
-    PokedudeHandleCmd37,
-    PokedudeHandleCmd38,
-    PokedudeHandleCmd39,
-    PokedudeHandleCmd40,
-    PokedudeHandleHitAnimation,
-    PokedudeHandleCmd42,
-    PokedudeHandlePlaySE,
-    PokedudeHandlePlayFanfare,
-    PokedudeHandleFaintingCry,
-    PokedudeHandleIntroSlide,
-    PokedudeHandleIntroTrainerBallThrow,
-    PokedudeHandleDrawPartyStatusSummary,
-    PokedudeHandleHidePartyStatusSummary,
-    PokedudeHandleEndBounceEffect,
-    PokedudeHandleSpriteInvisibility,
-    PokedudeHandleBattleAnimation,
-    PokedudeHandleLinkStandbyMsg,
-    PokedudeHandleResetActionMoveSelection,
-    PokedudeHandleCmd55,
-    PokedudeCmdEnd,
-};
+    {
+        PokedudeHandleGetMonData,
+        PokedudeHandleGetRawMonData,
+        PokedudeHandleSetMonData,
+        PokedudeHandleSetRawMonData,
+        PokedudeHandleLoadMonSprite,
+        PokedudeHandleSwitchInAnim,
+        PokedudeHandleReturnMonToBall,
+        PokedudeHandleDrawTrainerPic,
+        PokedudeHandleTrainerSlide,
+        PokedudeHandleTrainerSlideBack,
+        PokedudeHandleFaintAnimation,
+        PokedudeHandlePaletteFade,
+        PokedudeHandleSuccessBallThrowAnim,
+        PokedudeHandleBallThrowAnim,
+        PokedudeHandlePause,
+        PokedudeHandleMoveAnimation,
+        PokedudeHandlePrintString,
+        PokedudeHandlePrintSelectionString,
+        PokedudeHandleChooseAction,
+        PokedudeHandleUnknownYesNoBox,
+        PokedudeHandleChooseMove,
+        PokedudeHandleChooseItem,
+        PokedudeHandleChoosePokemon,
+        PokedudeHandleCmd23,
+        PokedudeHandleHealthBarUpdate,
+        PokedudeHandleExpUpdate,
+        PokedudeHandleStatusIconUpdate,
+        PokedudeHandleStatusAnimation,
+        PokedudeHandleStatusXor,
+        PokedudeHandleDataTransfer,
+        PokedudeHandleDMA3Transfer,
+        PokedudeHandlePlayBGM,
+        PokedudeHandleCmd32,
+        PokedudeHandleTwoReturnValues,
+        PokedudeHandleChosenMonReturnValue,
+        PokedudeHandleOneReturnValue,
+        PokedudeHandleOneReturnValue_Duplicate,
+        PokedudeHandleCmd37,
+        PokedudeHandleCmd38,
+        PokedudeHandleCmd39,
+        PokedudeHandleCmd40,
+        PokedudeHandleHitAnimation,
+        PokedudeHandleCmd42,
+        PokedudeHandlePlaySE,
+        PokedudeHandlePlayFanfare,
+        PokedudeHandleFaintingCry,
+        PokedudeHandleIntroSlide,
+        PokedudeHandleIntroTrainerBallThrow,
+        PokedudeHandleDrawPartyStatusSummary,
+        PokedudeHandleHidePartyStatusSummary,
+        PokedudeHandleEndBounceEffect,
+        PokedudeHandleSpriteInvisibility,
+        PokedudeHandleBattleAnimation,
+        PokedudeHandleLinkStandbyMsg,
+        PokedudeHandleResetActionMoveSelection,
+        PokedudeHandleCmd55,
+        PokedudeCmdEnd,
+    };
 
 // not used
 static const u8 gUnknown_8479000[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
 
-static const u8 gUnknown_8479008[][8] =
-{
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-    { 4, 4, 0, 0,  0, 0, 0, 0 },
-};
-
-static const u8 gUnknown_8479018[][8] =
-{
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-    { 1, 0, 0, 0, 64, 0, 0, 0 },
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-};
-
-static const u8 gUnknown_8479030[][8] =
-{
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-    { 2, 0, 0, 0, 64, 0, 0, 0 },
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-};
+#define pdHealthboxPal1  simulatedInputState[0]
+#define pdHealthboxPal2  simulatedInputState[1]
+#define pdScriptNum      simulatedInputState[2]
+#define pdMessageNo      simulatedInputState[3]
 
-static const u8 gUnknown_8479048[][8] =
-{
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-    { 0, 0, 0, 0, 64, 0, 0, 0 },
-    { 1, 0, 0, 0, 64, 0, 0, 0 },
-};
-
-static const u8 (*const gUnknown_8479060[])[8] =
-{
-    [TTVSCR_BATTLE]   = gUnknown_8479008,
-    [TTVSCR_STATUS]   = gUnknown_8479018,
-    [TTVSCR_MATCHUPS] = gUnknown_8479030,
-    [TTVSCR_CATCHING] = gUnknown_8479048,
-};
-
-static const u8 gUnknown_8479070[][8] =
-{
-    {   2,   2, 0, 0, 64, 0, 0, 0 },
-    { 255, 255, 0, 0,  0, 0, 0, 0 },
-};
-
-static const u8 gUnknown_8479080[][8] =
-{
-    {   2,   2, 0, 0, 64, 0, 0, 0 },
-    {   2,   0, 0, 0, 64, 0, 0, 0 },
-    {   2,   0, 0, 0, 64, 0, 0, 0 },
-    { 255, 255, 0, 0,  0, 0, 0, 0 },
-};
-
-static const u8 gUnknown_84790A0[][8] =
-{
-    {   2,   0, 0, 0, 64, 0, 0, 0 },
-    {   0,   0, 0, 0, 64, 0, 0, 0 },
-    {   0,   0, 0, 0, 64, 0, 0, 0 },
-    { 255, 255, 0, 0,  0, 0, 0, 0 },
-};
-
-static const u8 gUnknown_84790C0[][8] =
-{
-    {   0,   2, 0, 0, 64, 0, 0, 0 },
-    {   2,   2, 0, 0, 64, 0, 0, 0 },
-    { 255, 255, 0, 0,  0, 0, 0, 0 },
-};
-
-static const u8 (*const gUnknown_84790D8[])[8] =
-{
-    [TTVSCR_BATTLE]   = gUnknown_8479070,
-    [TTVSCR_STATUS]   = gUnknown_8479080,
-    [TTVSCR_MATCHUPS] = gUnknown_84790A0,
-    [TTVSCR_CATCHING] = gUnknown_84790C0,
-};
-
-static const struct Unk_84790E8 gUnknown_84790E8[] =
-{
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 1,
-        .unk_2 = 4,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 0,
-        .unk_2 = 13,
-        .unk_4 = sub_8159BA8,
-    },
-};
-
-static const struct Unk_84790E8 gUnknown_8479108[] =
-{
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = NULL,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159D04,
-    },
-    {
-        .unk_0 = 21,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 1,
-        .unk_2 = 4,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 0,
-        .unk_2 = 13,
-        .unk_4 = sub_8159BA8,
-    },
-};
-
-static const struct Unk_84790E8 gUnknown_8479130[] =
-{
-    {
-        .unk_0 = 16,
-        .unk_1 = 1,
-        .unk_2 = 4,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 22,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 1,
-        .unk_2 = 4,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 20,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 0,
-        .unk_2 = 13,
-        .unk_4 = sub_8159BA8,
-    },
-};
-
-static const struct Unk_84790E8 gUnknown_8479168[] =
-{
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = NULL,
-    },
-    {
-        .unk_0 = 18,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 16,
-        .unk_1 = 1,
-        .unk_2 = 107,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 21,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-    {
-        .unk_0 = 55,
-        .unk_1 = 0,
-        .unk_2 = 0,
-        .unk_4 = sub_8159BA8,
-    },
-};
-
-static const struct Unk_84790E8 *const gUnknown_8479198[] =
-{
-    [TTVSCR_BATTLE]   = gUnknown_84790E8,
-    [TTVSCR_STATUS]   = gUnknown_8479108,
-    [TTVSCR_MATCHUPS] = gUnknown_8479130,
-    [TTVSCR_CATCHING] = gUnknown_8479168,
-};
-
-static const u8 *const sPokedudeTexts_Battle[] =
-{
-    Pokedude_Text_SpeedierBattlerGoesFirst,
-    Pokedude_Text_MyRattataFasterThanPidgey,
-    Pokedude_Text_BattlersTakeTurnsAttacking,
-    Pokedude_Text_MyRattataWonGetsEXP,
-};
-
-static const u8 *const sPokedudeTexts_Status[] =
-{
-    Pokedude_Text_UhOhRattataPoisoned,
-    Pokedude_Text_UhOhRattataPoisoned,
-    Pokedude_Text_HealStatusRightAway,
-    Pokedude_Text_UsingItemTakesTurn,
-    Pokedude_Text_YayWeManagedToWin,
-};
-
-static const u8 *const sPokedudeTexts_TypeMatchup[] =
-{
-    Pokedude_Text_WaterNotVeryEffectiveAgainstGrass,
-    Pokedude_Text_GrassEffectiveAgainstWater,
-    Pokedude_Text_LetsTryShiftingMons,
-    Pokedude_Text_ShiftingUsesTurn,
-    Pokedude_Text_ButterfreeDoubleResistsGrass,
-    Pokedude_Text_ButterfreeGoodAgainstOddish,
-    Pokedude_Text_YeahWeWon,
-};
-
-static const u8 *const sPokedudeTexts_Catching[] =
-{
-    Pokedude_Text_WeakenMonBeforeCatching,
-    Pokedude_Text_WeakenMonBeforeCatching,
-    Pokedude_Text_BestIfTargetStatused,
-    Pokedude_Text_CantDoubleUpOnStatus,
-    Pokedude_Text_LetMeThrowBall,
-    Pokedude_Text_PickBestKindOfBall,
-};
-
-static const struct PokedudeBattlePartyInfo sParties_Battle[] =
-{
-    {
-        .side = B_SIDE_PLAYER,
-        .level = 15,
-        .species = SPECIES_RATTATA,
-        .moves = { MOVE_TACKLE, MOVE_TAIL_WHIP, MOVE_HYPER_FANG, MOVE_QUICK_ATTACK },
-        .nature = NATURE_LONELY,
-        .gender = MALE,
-    },
-    {
-        .side = B_SIDE_OPPONENT,
-        .level = 18,
-        .species = SPECIES_PIDGEY,
-        .moves = { MOVE_TACKLE, MOVE_SAND_ATTACK, MOVE_GUST, MOVE_QUICK_ATTACK },
-        .nature = NATURE_NAUGHTY,
-        .gender = MALE,
-    },
-    {0xFF}
-};
-
-static const struct PokedudeBattlePartyInfo sParties_Status[] =
-{
-    {
-        .side = B_SIDE_PLAYER,
-        .level = 15,
-        .species = SPECIES_RATTATA,
-        .moves = { MOVE_TACKLE, MOVE_TAIL_WHIP, MOVE_HYPER_FANG, MOVE_QUICK_ATTACK },
-        .nature = NATURE_LONELY,
-        .gender = MALE,
-    },
-    {
-        .side = B_SIDE_OPPONENT,
-        .level = 14,
-        .species = SPECIES_ODDISH,
-        .moves = { MOVE_ABSORB, MOVE_SWEET_SCENT, MOVE_POISON_POWDER },
-        .nature = NATURE_RASH,
-        .gender = MALE,
-    },
-    {0xFF}
-};
-
-static const struct PokedudeBattlePartyInfo sParties_Matchups[] =
-{
-    {
-        .side = B_SIDE_PLAYER,
-        .level = 15,
-        .species = SPECIES_POLIWAG,
-        .moves = { MOVE_WATER_GUN, MOVE_HYPNOSIS, MOVE_BUBBLE },
-        .nature = NATURE_RASH,
-        .gender = MALE,
-    },
-    {
-        .side = B_SIDE_PLAYER,
-        .level = 15,
-        .species = SPECIES_BUTTERFREE,
-        .moves = { MOVE_CONFUSION, MOVE_POISON_POWDER, MOVE_STUN_SPORE, MOVE_SLEEP_POWDER },
-        .nature = NATURE_RASH,
-        .gender = MALE,
-    },
-    {
-        .side = B_SIDE_OPPONENT,
-        .level = 14,
-        .species = SPECIES_ODDISH,
-        .moves = { MOVE_ABSORB, MOVE_SWEET_SCENT, MOVE_POISON_POWDER },
-        .nature = NATURE_RASH,
-        .gender = MALE,
-    },
-    {0xFF}
-};
-
-static const struct PokedudeBattlePartyInfo sParties_Catching[] =
-{
-    {
-        .side = B_SIDE_PLAYER,
-        .level = 15,
-        .species = SPECIES_BUTTERFREE,
-        .moves = { MOVE_CONFUSION, MOVE_POISON_POWDER, MOVE_SLEEP_POWDER, MOVE_STUN_SPORE },
-        .nature = NATURE_RASH,
-        .gender = MALE,
-    },
-    {
-        .side = B_SIDE_OPPONENT,
-        .level = 11,
-        .species = SPECIES_JIGGLYPUFF,
-        .moves = { MOVE_SING, MOVE_DEFENSE_CURL, MOVE_POUND },
-        .nature = NATURE_CAREFUL,
-        .gender = MALE,
-    },
-    {0xFF}
-};
-
-
-static const struct PokedudeBattlePartyInfo *const sPokedudeBattlePartyPointers[] =
-{
-    [TTVSCR_BATTLE]   = sParties_Battle,
-    [TTVSCR_STATUS]   = sParties_Status,
-    [TTVSCR_MATCHUPS] = sParties_Matchups,
-    [TTVSCR_CATCHING] = sParties_Catching,
-};
-
-static void nullsub_99(void)
+static void PokedudeDummy(void)
 {
 }
 
 void SetControllerToPokedude(void)
 {
     gBattlerControllerFuncs[gActiveBattler] = PokedudeBufferRunCommand;
-    *(&gBattleStruct->field_96) = gSpecialVar_0x8004;
-    gBattleStruct->field_97 = 0;
+    *(&gBattleStruct->pdScriptNum) = gSpecialVar_0x8004;
+    gBattleStruct->pdMessageNo = 0;
 }
 
 static void PokedudeBufferRunCommand(void)
@@ -570,7 +207,7 @@ static void PokedudeBufferRunCommand(void)
     {
         if (gBattleBufferA[gActiveBattler][0] < NELEMS(sPokedudeBufferCommands))
         {
-            if (!sub_8159AB8())
+            if (!HandlePokedudeVoiceoverEtc())
                 sPokedudeBufferCommands[gBattleBufferA[gActiveBattler][0]]();
         }
         else
@@ -580,9 +217,9 @@ static void PokedudeBufferRunCommand(void)
     }
 }
 
-static void sub_8156140(void)
+static void HandleInputChooseAction(void)
 {
-    sub_8159824();
+    PokedudeSimulateInputChooseAction();
 }
 
 static void CompleteOnBattlerSpriteCallbackDummy(void)
@@ -591,21 +228,21 @@ static void CompleteOnBattlerSpriteCallbackDummy(void)
         PokedudeBufferExecCompleted();
 }
 
-static void sub_8156184(void)
+static void CompleteOnBattlerSpritePosX_0(void)
 {
     if (gSprites[gBattlerSpriteIds[gActiveBattler]].animEnded == TRUE
-     && gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x == 0)
+        && gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x == 0)
     {
-        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80)
+        if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim)
         {
-            sub_80F1720(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
+            TryShinyAnimation(gActiveBattler, &gEnemyParty[gBattlerPartyIndexes[gActiveBattler]]);
         }
-        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+        else if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
         {
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-            FreeSpriteTilesByTag(0x27F9);
-            FreeSpritePaletteByTag(0x27F9);
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+            gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+            FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+            FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
             PokedudeBufferExecCompleted();
         }
     }
@@ -617,7 +254,7 @@ static void CompleteOnInactiveTextPrinter(void)
         PokedudeBufferExecCompleted();
 }
 
-static void sub_8156254(void)
+static void Pokedude_SetBattleEndCallbacks(void)
 {
     if (!gPaletteFade.active)
     {
@@ -627,47 +264,47 @@ static void sub_8156254(void)
     }
 }
 
-static void sub_8156294(void)
+static void SwitchIn_HandleSoundAndEnd(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
-        CreateTask(c3_0802FDF4, 10);
+        CreateTask(Task_PlayerController_RestoreBgmAfterCry, 10);
         HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
         PokedudeBufferExecCompleted();
     }
 }
 
-static void sub_81562F0(void)
+static void SwitchIn_CleanShinyAnimShowSubstitute(void)
 {
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1)
+        && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
         if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
             InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156294;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_HandleSoundAndEnd;
     }
 }
 
-static void sub_81563A8(void)
+static void SwitchIn_TryShinyAnimShowHealthbox(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80
-     && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (gSprites[gUnknown_3004FFC[gActiveBattler]].callback == SpriteCallbackDummy
-     && !(gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive))
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim
+        && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
+        TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (gSprites[gBattleControllerData[gActiveBattler]].callback == SpriteCallbackDummy
+        && !(gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive))
     {
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
         CopyBattleSpriteInvisibility(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_81562F0;
+        gBattlerControllerFuncs[gActiveBattler] = SwitchIn_CleanShinyAnimShowSubstitute;
     }
 }
 
@@ -677,18 +314,18 @@ static void CompleteOnSpecialAnimDone(void)
         PokedudeBufferExecCompleted();
 }
 
-static void sub_815649C(void)
+static void Intro_DelayAndEnd(void)
 {
-    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 == 255)
+    if (--gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay == 255)
     {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_9 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].introEndDelay = 0;
         PokedudeBufferExecCompleted();
     }
 }
 
-static void sub_81564E4(void)
+static void PokedudeHandleInputChooseMove(void)
 {
-    sub_8159998();
+    PokedudeSimulateInputChooseMove();
 }
 
 static void OpenPartyMenuToChooseMon(void)
@@ -696,9 +333,9 @@ static void OpenPartyMenuToChooseMon(void)
     if (!gPaletteFade.active)
     {
         gBattlerControllerFuncs[gActiveBattler] = WaitForMonSelection;
-        DestroyTask(gUnknown_3004FFC[gActiveBattler]);
+        DestroyTask(gBattleControllerData[gActiveBattler]);
         FreeAllWindowBuffers();
-        OpenPartyMenuInBattle();
+        Pokedude_OpenPartyMenuInBattle();
     }
 }
 
@@ -721,7 +358,7 @@ static void OpenBagAndChooseItem(void)
     if (!gPaletteFade.active)
     {
         gBattlerControllerFuncs[gActiveBattler] = CompleteWhenChoseItem;
-        nullsub_44();
+        ReshowBattleScreenDummy();
         FreeAllWindowBuffers();
         switch (gSpecialVar_0x8004)
         {
@@ -746,55 +383,55 @@ static void CompleteWhenChoseItem(void)
     }
 }
 
-static void sub_8156624(void)
+static void Intro_TryShinyAnimShowHealthbox(void)
 {
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80
-     && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
-        sub_80F1720(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
-    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80
-     && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
-        sub_80F1720(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim
+        && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive)
+        TryShinyAnimation(gActiveBattler, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]]);
+    if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim
+        && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
+        TryShinyAnimation(gActiveBattler ^ BIT_FLANK, &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]]);
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].ballAnimActive && !gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].ballAnimActive)
     {
         if (IsDoubleBattle() && !(gBattleTypeFlags & BATTLE_TYPE_MULTI))
         {
-            DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler ^ BIT_FLANK]]);
+            DestroySprite(&gSprites[gBattleControllerData[gActiveBattler ^ BIT_FLANK]]);
             UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK],
                                      &gPlayerParty[gBattlerPartyIndexes[gActiveBattler ^ BIT_FLANK]],
                                      HEALTHBOX_ALL);
-            sub_804BD94(gActiveBattler ^ BIT_FLANK);
+            StartHealthboxSlideIn(gActiveBattler ^ BIT_FLANK);
             SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler ^ BIT_FLANK]);
         }
-        DestroySprite(&gSprites[gUnknown_3004FFC[gActiveBattler]]);
+        DestroySprite(&gSprites[gBattleControllerData[gActiveBattler]]);
         UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler],
                                  &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]],
                                  HEALTHBOX_ALL);
-        sub_804BD94(gActiveBattler);
+        StartHealthboxSlideIn(gActiveBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
-        gBattleSpritesDataPtr->animationData->field_9_x1 = 0;
-        gBattlerControllerFuncs[gActiveBattler] = sub_81567B0;
+        gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 0;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_WaitForShinyAnimAndHealthbox;
     }
 }
 
-static void sub_81567B0(void)
+static void Intro_WaitForShinyAnimAndHealthbox(void)
 {
     bool32 r4 = FALSE;
 
     if (gSprites[gHealthboxSpriteIds[gActiveBattler]].callback == SpriteCallbackDummy)
         r4 = TRUE;
     if (r4
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1
-     && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1)
-    {
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_1_x1 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].flag_x80 = 0;
-        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].field_1_x1 = 0;
-        FreeSpriteTilesByTag(0x27F9);
-        FreeSpritePaletteByTag(0x27F9);
-        CreateTask(c3_0802FDF4, 10);
+        && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim
+        && gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim)
+    {
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].finishedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].triedShinyMonAnim = 0;
+        gBattleSpritesDataPtr->healthBoxesData[gActiveBattler ^ BIT_FLANK].finishedShinyMonAnim = 0;
+        FreeSpriteTilesByTag(ANIM_TAG_GOLD_STARS);
+        FreeSpritePaletteByTag(ANIM_TAG_GOLD_STARS);
+        CreateTask(Task_PlayerController_RestoreBgmAfterCry, 10);
         HandleLowHpMusicChange(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_815649C;
+        gBattlerControllerFuncs[gActiveBattler] = Intro_DelayAndEnd;
     }
 }
 
@@ -829,7 +466,7 @@ static void Task_GiveExpToMon(u8 taskId)
             BtlController_EmitTwoReturnValues(1, RET_VALUE_LEVELED_UP, gainedExp);
             gActiveBattler = savedActiveBattler;
             if (IsDoubleBattle() == TRUE
-             && ((u16)monId == gBattlerPartyIndexes[battlerId] || (u16)monId == gBattlerPartyIndexes[battlerId ^ BIT_FLANK]))
+                && ((u16)monId == gBattlerPartyIndexes[battlerId] || (u16)monId == gBattlerPartyIndexes[battlerId ^ BIT_FLANK]))
                 gTasks[taskId].func = Task_LaunchLvlUpAnim;
             else
                 gTasks[taskId].func = DestroyExpTaskAndCompleteOnInactiveTextPrinter;
@@ -864,10 +501,10 @@ static void Task_PrepareToGiveExpWithExpBar(u8 taskId)
     expToNextLvl = gExperienceTables[gBaseStats[species].growthRate][level + 1] - currLvlExp;
     SetBattleBarStruct(battlerId, gHealthboxSpriteIds[battlerId], expToNextLvl, exp, -gainedExp);
     PlaySE(SE_EXP);
-    gTasks[taskId].func = sub_8156B24;
+    gTasks[taskId].func = Task_GiveExpWithExpBar;
 }
 
-static void sub_8156B24(u8 taskId)
+static void Task_GiveExpWithExpBar(u8 taskId)
 {
     if (gTasks[taskId].tExpTask_frames < 13)
     {
@@ -937,7 +574,7 @@ static void Task_UpdateLvlInHealthbox(u8 taskId)
     {
         u8 monIndex = gTasks[taskId].tExpTask_monId;
 
-        GetMonData(&gPlayerParty[monIndex], MON_DATA_LEVEL);  // Unused return value. 
+        GetMonData(&gPlayerParty[monIndex], MON_DATA_LEVEL);  // Unused return value.
         if (IsDoubleBattle() == TRUE && monIndex == gBattlerPartyIndexes[battlerId ^ BIT_FLANK])
             UpdateHealthboxAttribute(gHealthboxSpriteIds[battlerId ^ BIT_FLANK], &gPlayerParty[monIndex], HEALTHBOX_ALL);
         else
@@ -957,7 +594,7 @@ static void DestroyExpTaskAndCompleteOnInactiveTextPrinter(u8 taskId)
     DestroyTask(taskId);
 }
 
-static void sub_8156DCC(void)
+static void FreeMonSpriteAfterFaintAnim(void)
 {
     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
@@ -1020,7 +657,7 @@ static void DoHitAnimBlinkSpriteEffect(void)
     }
 }
 
-static void sub_8156F7C(void)
+static void DoSwitchOutAnimation(void)
 {
     if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
     {
@@ -1448,42 +1085,42 @@ static void SetPokedudeMonData(u8 monId)
     switch (gBattleBufferA[gActiveBattler][1])
     {
     case REQUEST_ALL_BATTLE:
-        {
-            u8 iv;
+    {
+        u8 iv;
 
-            SetMonData(mon, MON_DATA_SPECIES, &battlePokemon->species);
-            SetMonData(mon, MON_DATA_HELD_ITEM, &battlePokemon->item);
-            for (i = 0; i < MAX_MON_MOVES; ++i)
-            {
-                SetMonData(mon, MON_DATA_MOVE1 + i, &battlePokemon->moves[i]);
-                SetMonData(mon, MON_DATA_PP1 + i, &battlePokemon->pp[i]);
-            }
-            SetMonData(mon, MON_DATA_PP_BONUSES, &battlePokemon->ppBonuses);
-            SetMonData(mon, MON_DATA_FRIENDSHIP, &battlePokemon->friendship);
-            SetMonData(mon, MON_DATA_EXP, &battlePokemon->experience);
-            iv = battlePokemon->hpIV;
-            SetMonData(mon, MON_DATA_HP_IV, &iv);
-            iv = battlePokemon->attackIV;
-            SetMonData(mon, MON_DATA_ATK_IV, &iv);
-            iv = battlePokemon->defenseIV;
-            SetMonData(mon, MON_DATA_DEF_IV, &iv);
-            iv = battlePokemon->speedIV;
-            SetMonData(mon, MON_DATA_SPEED_IV, &iv);
-            iv = battlePokemon->spAttackIV;
-            SetMonData(mon, MON_DATA_SPATK_IV, &iv);
-            iv = battlePokemon->spDefenseIV;
-            SetMonData(mon, MON_DATA_SPDEF_IV, &iv);
-            SetMonData(mon, MON_DATA_PERSONALITY, &battlePokemon->personality);
-            SetMonData(mon, MON_DATA_STATUS, &battlePokemon->status1);
-            SetMonData(mon, MON_DATA_LEVEL, &battlePokemon->level);
-            SetMonData(mon, MON_DATA_HP, &battlePokemon->hp);
-            SetMonData(mon, MON_DATA_MAX_HP, &battlePokemon->maxHP);
-            SetMonData(mon, MON_DATA_ATK, &battlePokemon->attack);
-            SetMonData(mon, MON_DATA_DEF, &battlePokemon->defense);
-            SetMonData(mon, MON_DATA_SPEED, &battlePokemon->speed);
-            SetMonData(mon, MON_DATA_SPATK, &battlePokemon->spAttack);
-            SetMonData(mon, MON_DATA_SPDEF, &battlePokemon->spDefense);
+        SetMonData(mon, MON_DATA_SPECIES, &battlePokemon->species);
+        SetMonData(mon, MON_DATA_HELD_ITEM, &battlePokemon->item);
+        for (i = 0; i < MAX_MON_MOVES; ++i)
+        {
+            SetMonData(mon, MON_DATA_MOVE1 + i, &battlePokemon->moves[i]);
+            SetMonData(mon, MON_DATA_PP1 + i, &battlePokemon->pp[i]);
         }
+        SetMonData(mon, MON_DATA_PP_BONUSES, &battlePokemon->ppBonuses);
+        SetMonData(mon, MON_DATA_FRIENDSHIP, &battlePokemon->friendship);
+        SetMonData(mon, MON_DATA_EXP, &battlePokemon->experience);
+        iv = battlePokemon->hpIV;
+        SetMonData(mon, MON_DATA_HP_IV, &iv);
+        iv = battlePokemon->attackIV;
+        SetMonData(mon, MON_DATA_ATK_IV, &iv);
+        iv = battlePokemon->defenseIV;
+        SetMonData(mon, MON_DATA_DEF_IV, &iv);
+        iv = battlePokemon->speedIV;
+        SetMonData(mon, MON_DATA_SPEED_IV, &iv);
+        iv = battlePokemon->spAttackIV;
+        SetMonData(mon, MON_DATA_SPATK_IV, &iv);
+        iv = battlePokemon->spDefenseIV;
+        SetMonData(mon, MON_DATA_SPDEF_IV, &iv);
+        SetMonData(mon, MON_DATA_PERSONALITY, &battlePokemon->personality);
+        SetMonData(mon, MON_DATA_STATUS, &battlePokemon->status1);
+        SetMonData(mon, MON_DATA_LEVEL, &battlePokemon->level);
+        SetMonData(mon, MON_DATA_HP, &battlePokemon->hp);
+        SetMonData(mon, MON_DATA_MAX_HP, &battlePokemon->maxHP);
+        SetMonData(mon, MON_DATA_ATK, &battlePokemon->attack);
+        SetMonData(mon, MON_DATA_DEF, &battlePokemon->defense);
+        SetMonData(mon, MON_DATA_SPEED, &battlePokemon->speed);
+        SetMonData(mon, MON_DATA_SPATK, &battlePokemon->spAttack);
+        SetMonData(mon, MON_DATA_SPDEF, &battlePokemon->spDefense);
+    }
         break;
     case REQUEST_SPECIES_BATTLE:
         SetMonData(mon, MON_DATA_SPECIES, &gBattleBufferA[gActiveBattler][3]);
@@ -1679,7 +1316,7 @@ static void PokedudeHandleLoadMonSprite(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], gBattleMonForms[gActiveBattler]);
     SetBattlerShadowSpriteCallback(gActiveBattler, GetMonData(&gEnemyParty[gBattlerPartyIndexes[gActiveBattler]], MON_DATA_SPECIES));
-    gBattlerControllerFuncs[gActiveBattler] = sub_8156184;
+    gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpritePosX_0;
     PokedudeBufferExecCompleted();
 }
 
@@ -1690,8 +1327,8 @@ static void PokedudeHandleSwitchInAnim(void)
     BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], gActiveBattler);
     gActionSelectionCursor[gActiveBattler] = 0;
     gMoveSelectionCursor[gActiveBattler] = 0;
-    sub_8159478(gActiveBattler);
-    gBattlerControllerFuncs[gActiveBattler] = sub_81563A8;
+    StartSendOutAnim(gActiveBattler);
+    gBattlerControllerFuncs[gActiveBattler] = SwitchIn_TryShinyAnimShowHealthbox;
 }
 
 static void PokedudeHandleReturnMonToBall(void)
@@ -1699,7 +1336,7 @@ static void PokedudeHandleReturnMonToBall(void)
     if (gBattleBufferA[gActiveBattler][1] == 0)
     {
         InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_SWITCH_OUT_PLAYER_MON);
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156F7C;
+        gBattlerControllerFuncs[gActiveBattler] = DoSwitchOutAnimation;
     }
     else
     {
@@ -1714,16 +1351,16 @@ static void PokedudeHandleDrawTrainerPic(void)
 {
     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
-        DecompressTrainerBackPalette(4, gActiveBattler);
-        SetMultiuseSpriteTemplateToTrainerBack(4, GetBattlerPosition(gActiveBattler));
+        DecompressTrainerBackPalette(BACK_PIC_POKEDUDE, gActiveBattler);
+        SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_POKEDUDE, GetBattlerPosition(gActiveBattler));
         gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
-                                            80,
-                                            (8 - gTrainerBackPicCoords[4].size) * 4 + 80,
-                                            30);
+                                                         80,
+                                                         (8 - gTrainerBackPicCoords[BACK_PIC_POKEDUDE].size) * 4 + 80,
+                                                         30);
         gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = 240;
         gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = -2;
         gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
-        gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+        gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     }
     else
     {
@@ -1740,23 +1377,23 @@ static void PokedudeHandleDrawTrainerPic(void)
         gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum;
         gSprites[gBattlerSpriteIds[gActiveBattler]].oam.tileNum = GetSpriteTileStartByTag(gTrainerFrontPicTable[tranerPicid].tag);
         gSprites[gBattlerSpriteIds[gActiveBattler]].oam.affineParam = tranerPicid;
-        gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+        gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     }
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
 static void PokedudeHandleTrainerSlide(void)
 {
-    DecompressTrainerBackPalette(4, gActiveBattler);
-    SetMultiuseSpriteTemplateToTrainerBack(4, GetBattlerPosition(gActiveBattler));
-    gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate, 
-                                                     80, 
-                                                     (8 - gTrainerBackPicCoords[4].size) * 4 + 80, 
+    DecompressTrainerBackPalette(BACK_PIC_POKEDUDE, gActiveBattler);
+    SetMultiuseSpriteTemplateToTrainerBack(BACK_PIC_POKEDUDE, GetBattlerPosition(gActiveBattler));
+    gBattlerSpriteIds[gActiveBattler] = CreateSprite(&gMultiuseSpriteTemplate,
+                                                     80,
+                                                     (8 - gTrainerBackPicCoords[BACK_PIC_POKEDUDE].size) * 4 + 80,
                                                      30);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = -96;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = 2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy2;
 }
 
@@ -1784,14 +1421,14 @@ static void PokedudeHandleFaintAnimation(void)
                 PlaySE12WithPanning(SE_FAINT, SOUND_PAN_ATTACKER);
                 gSprites[gBattlerSpriteIds[gActiveBattler]].data[1] = 0;
                 gSprites[gBattlerSpriteIds[gActiveBattler]].data[2] = 5;
-                gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8012110;
+                gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintSlideAnim;
             }
             else
             {
                 PlaySE12WithPanning(SE_FAINT, SOUND_PAN_TARGET);
                 gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_FaintOpponentMon;
             }
-            gBattlerControllerFuncs[gActiveBattler] = sub_8156DCC;
+            gBattlerControllerFuncs[gActiveBattler] = FreeMonSpriteAfterFaintAnim;
         }
     }
 }
@@ -1860,7 +1497,7 @@ static void PokedudeDoMoveAnimation(void)
     case 1:
         if (!gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].specialAnimActive)
         {
-            sub_8035450(0);
+            SetBattlerSpriteAffineMode(0);
             DoMoveAnim(move);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 2;
         }
@@ -1869,7 +1506,7 @@ static void PokedudeDoMoveAnimation(void)
         gAnimScriptCallback();
         if (!gAnimScriptActive)
         {
-            sub_8035450(1);
+            SetBattlerSpriteAffineMode(1);
             if (gBattleSpritesDataPtr->battlerData[gActiveBattler].behindSubstitute)
                 InitAndLaunchSpecialAnimation(gActiveBattler, gActiveBattler, gActiveBattler, B_ANIM_MON_TO_SUBSTITUTE);
             gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].animationState = 3;
@@ -1895,8 +1532,8 @@ static void PokedudeHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
-        BattlePutTextOnWindow(gDisplayedStringBattle, 64);
+    if (BattleStringShouldBeColored(*stringId))
+        BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnInactiveTextPrinter;
@@ -1910,13 +1547,13 @@ static void PokedudeHandlePrintSelectionString(void)
         PokedudeBufferExecCompleted();
 }
 
-static void sub_8158B20(void)
+static void HandleChooseActionAfterDma3(void)
 {
     if (!IsDma3ManagerBusyWithBgCopy())
     {
         gBattle_BG0_X = 0;
         gBattle_BG0_Y = 160;
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156140;
+        gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseAction;
     }
 }
 
@@ -1926,7 +1563,7 @@ static void PokedudeHandleChooseAction(void)
 
     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
-        gBattlerControllerFuncs[gActiveBattler] = sub_8158B20;
+        gBattlerControllerFuncs[gActiveBattler] = HandleChooseActionAfterDma3;
         BattlePutTextOnWindow(gText_EmptyString3, 0);
         BattlePutTextOnWindow(gText_BattleMenu, 2);
         for (i = 0; i < MAX_MON_MOVES; ++i)
@@ -1937,7 +1574,7 @@ static void PokedudeHandleChooseAction(void)
     }
     else
     {
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156140;
+        gBattlerControllerFuncs[gActiveBattler] = HandleInputChooseAction;
     }
 }
 
@@ -1946,13 +1583,13 @@ static void PokedudeHandleUnknownYesNoBox(void)
     PokedudeBufferExecCompleted();
 }
 
-static void sub_8158C04(void)
+static void PokedudeHandleChooseMoveAfterDma3(void)
 {
     if (!IsDma3ManagerBusyWithBgCopy())
     {
         gBattle_BG0_X = 0;
         gBattle_BG0_Y = 320;
-        gBattlerControllerFuncs[gActiveBattler] = sub_81564E4;
+        gBattlerControllerFuncs[gActiveBattler] = PokedudeHandleInputChooseMove;
     }
 }
 
@@ -1961,11 +1598,11 @@ static void PokedudeHandleChooseMove(void)
     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
         InitMoveSelectionsVarsAndStrings();
-        gBattlerControllerFuncs[gActiveBattler] = sub_8158C04;
+        gBattlerControllerFuncs[gActiveBattler] = PokedudeHandleChooseMoveAfterDma3;
     }
     else
     {
-        gBattlerControllerFuncs[gActiveBattler] = sub_81564E4;
+        gBattlerControllerFuncs[gActiveBattler] = PokedudeHandleInputChooseMove;
     }
 }
 
@@ -1984,10 +1621,10 @@ static void PokedudeHandleChoosePokemon(void)
 {
     s32 i;
 
-    gUnknown_3004FFC[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
-    gTasks[gUnknown_3004FFC[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
+    gBattleControllerData[gActiveBattler] = CreateTask(TaskDummy, 0xFF);
+    gTasks[gBattleControllerData[gActiveBattler]].data[0] = gBattleBufferA[gActiveBattler][1] & 0xF;
     *(&gBattleStruct->battlerPreventingSwitchout) = gBattleBufferA[gActiveBattler][1] >> 4;
-    *(&gBattleStruct->field_8B) = gBattleBufferA[gActiveBattler][2];
+    *(&gBattleStruct->playerPartyIdx) = gBattleBufferA[gActiveBattler][2];
     *(&gBattleStruct->abilityPreventingSwitchout) = gBattleBufferA[gActiveBattler][3];
     for (i = 0; i < 3; ++i)
         gBattlePartyCurrentOrder[i] = gBattleBufferA[gActiveBattler][4 + i];
@@ -2016,13 +1653,13 @@ static void PokedudeHandleHealthBarUpdate(void)
     {
         u32 maxHP = GetMonData(mon, MON_DATA_MAX_HP);
         u32 curHP = GetMonData(mon, MON_DATA_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, curHP, hpVal);
     }
     else
     {
         u32 maxHP = GetMonData(mon, MON_DATA_MAX_HP);
-        
+
         SetBattleBarStruct(gActiveBattler, gHealthboxSpriteIds[gActiveBattler], maxHP, 0, hpVal);
         UpdateHpTextInHealthbox(gHealthboxSpriteIds[gActiveBattler], 0, HP_CURRENT);
     }
@@ -2049,13 +1686,13 @@ static void PokedudeHandleExpUpdate(void)
         gTasks[taskId].tExpTask_monId = monId;
         gTasks[taskId].tExpTask_gainedExp = expPointsToGive;
         gTasks[taskId].tExpTask_battler = gActiveBattler;
-        gBattlerControllerFuncs[gActiveBattler] = nullsub_99;
+        gBattlerControllerFuncs[gActiveBattler] = PokedudeDummy;
     }
 }
 
 static void PokedudeHandleStatusIconUpdate(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         u8 battlerId;
         struct Pokemon *mon;
@@ -2073,7 +1710,7 @@ static void PokedudeHandleStatusIconUpdate(void)
 
 static void PokedudeHandleStatusAnimation(void)
 {
-    if (!mplay_80342A4(gActiveBattler))
+    if (!IsBattleSEPlaying(gActiveBattler))
     {
         InitAndLaunchChosenStatusAnimation(gBattleBufferA[gActiveBattler][1],
                                            gBattleBufferA[gActiveBattler][2] | (gBattleBufferA[gActiveBattler][3] << 8) | (gBattleBufferA[gActiveBattler][4] << 16) | (gBattleBufferA[gActiveBattler][5] << 24));
@@ -2219,43 +1856,43 @@ static void PokedudeHandleIntroTrainerBallThrow(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[4] = gSprites[gBattlerSpriteIds[gActiveBattler]].pos1.y;
     gSprites[gBattlerSpriteIds[gActiveBattler]].callback = StartAnimLinearTranslation;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[5] = gActiveBattler;
-    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], sub_80335F8);
+    StoreSpriteCallbackInData6(&gSprites[gBattlerSpriteIds[gActiveBattler]], SpriteCB_FreePlayerSpriteLoadMonSprite);
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[gActiveBattler]], 1);
     paletteNum = AllocSpritePalette(0xD6F8);
-    LoadCompressedPalette(gTrainerBackPicPaletteTable[4].data, 0x100 + paletteNum * 16, 32);
+    LoadCompressedPalette(gTrainerBackPicPaletteTable[BACK_PIC_POKEDUDE].data, 0x100 + paletteNum * 16, 32);
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = paletteNum;
-    taskId = CreateTask(sub_81595EC, 5);
+    taskId = CreateTask(Task_StartSendOutAnim, 5);
     gTasks[taskId].data[0] = gActiveBattler;
     if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].partyStatusSummaryShown)
         gTasks[gBattlerStatusSummaryTaskId[gActiveBattler]].func = Task_HidePartyStatusSummary;
-    gBattleSpritesDataPtr->animationData->field_9_x1 = 1;
-    gBattlerControllerFuncs[gActiveBattler] = nullsub_99;
+    gBattleSpritesDataPtr->animationData->healthboxSlideInStarted = 1;
+    gBattlerControllerFuncs[gActiveBattler] = PokedudeDummy;
 }
 
-static void sub_8159478(u8 battlerId)
+static void StartSendOutAnim(u8 battlerId)
 {
     u16 species;
 
     gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies = SPECIES_NONE;
     gBattlerPartyIndexes[battlerId] = gBattleBufferA[battlerId][1];
     species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerId]], MON_DATA_SPECIES);
-    gUnknown_3004FFC[battlerId] = CreateInvisibleSpriteWithCallback(sub_8033E3C);
+    gBattleControllerData[battlerId] = CreateInvisibleSpriteWithCallback(SpriteCB_WaitForBattlerBallReleaseAnim);
     SetMultiuseSpriteTemplateToPokemon(species, GetBattlerPosition(battlerId));
     gBattlerSpriteIds[battlerId] = CreateSprite(&gMultiuseSpriteTemplate,
                                                 GetBattlerSpriteCoord(battlerId, 2),
                                                 GetBattlerSpriteDefault_Y(battlerId),
                                                 GetBattlerSpriteSubpriority(battlerId));
-    gSprites[gUnknown_3004FFC[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
+    gSprites[gBattleControllerData[battlerId]].data[1] = gBattlerSpriteIds[battlerId];
     gSprites[gBattlerSpriteIds[battlerId]].data[0] = battlerId;
     gSprites[gBattlerSpriteIds[battlerId]].data[2] = species;
     gSprites[gBattlerSpriteIds[battlerId]].oam.paletteNum = battlerId;
     StartSpriteAnim(&gSprites[gBattlerSpriteIds[battlerId]], gBattleMonForms[battlerId]);
     gSprites[gBattlerSpriteIds[battlerId]].invisible = TRUE;
     gSprites[gBattlerSpriteIds[battlerId]].callback = SpriteCallbackDummy;
-    gSprites[gUnknown_3004FFC[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
+    gSprites[gBattleControllerData[battlerId]].data[0] = DoPokeballSendOutAnimation(0, POKEBALL_PLAYER_SENDOUT);
 }
 
-static void sub_81595EC(u8 taskId)
+static void Task_StartSendOutAnim(u8 taskId)
 {
     if (gTasks[taskId].data[1] < 31)
     {
@@ -2267,8 +1904,8 @@ static void sub_81595EC(u8 taskId)
 
         gActiveBattler = gTasks[taskId].data[0];
         gBattleBufferA[gActiveBattler][1] = gBattlerPartyIndexes[gActiveBattler];
-        sub_8159478(gActiveBattler);
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156624;
+        StartSendOutAnim(gActiveBattler);
+        gBattlerControllerFuncs[gActiveBattler] = Intro_TryShinyAnimShowHealthbox;
         gActiveBattler = savedActiveBattler;
         DestroyTask(taskId);
     }
@@ -2277,7 +1914,7 @@ static void sub_81595EC(u8 taskId)
 static void PokedudeHandleDrawPartyStatusSummary(void)
 {
     if (gBattleBufferA[gActiveBattler][1] != 0
-     && GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
+        && GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
         PokedudeBufferExecCompleted();
     }
@@ -2344,31 +1981,467 @@ static void PokedudeHandleCmd55(void)
 {
     gBattleOutcome = gBattleBufferA[gActiveBattler][1];
     FadeOutMapMusic(5);
-    BeginFastPaletteFade(3);
+    BeginFastPaletteFade(FAST_FADE_OUT_TO_BLACK);
     PokedudeBufferExecCompleted();
     if (!(gBattleTypeFlags & BATTLE_TYPE_IS_MASTER) && gBattleTypeFlags & BATTLE_TYPE_LINK)
-        gBattlerControllerFuncs[gActiveBattler] = sub_8156254;
+        gBattlerControllerFuncs[gActiveBattler] = Pokedude_SetBattleEndCallbacks;
 }
 
 static void PokedudeCmdEnd(void)
 {
 }
 
-static void sub_8159824(void)
+// Script handlers
+
+struct PokedudeInputScript
+{
+    // 0-3 for selection, 4 to repeat action, 255 to repeat move
+    u8 cursorPos[MAX_BATTLERS_COUNT];
+    u8 delay[MAX_BATTLERS_COUNT];
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseAction_Battle[] =
+{
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {4, 4},
+        .delay     = {0, 0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseAction_Status[] =
+{
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {1, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseAction_Matchups[] =
+{
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {2, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseAction_Catching[] =
+{
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {0, 0},
+        .delay     = {64, 0}
+    },
+    {
+        .cursorPos = {1, 0},
+        .delay     = {64, 0}
+    },
+};
+
+static const struct PokedudeInputScript *const sInputScripts_ChooseAction[] =
+{
+    [TTVSCR_BATTLE]   = sInputScripts_ChooseAction_Battle,
+    [TTVSCR_STATUS]   = sInputScripts_ChooseAction_Status,
+    [TTVSCR_MATCHUPS] = sInputScripts_ChooseAction_Matchups,
+    [TTVSCR_CATCHING] = sInputScripts_ChooseAction_Catching,
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseMove_Battle[] =
 {
-    const u8 (*r7)[8] = gUnknown_8479060[gBattleStruct->field_96];
-    
+    {
+        .cursorPos = {  2,   2},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {255, 255},
+        .delay     = {  0,   0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseMove_Status[] =
+{
+    {
+        .cursorPos = {  2,   2},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {  2,   0},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {  2,   0},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {255, 255},
+        .delay     = {  0,   0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseMove_Matchups[] =
+{
+    {
+        .cursorPos = {  2,   0},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {  0,   0},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {  0,   0},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {255, 255},
+        .delay     = {  0,   0}
+    },
+};
+
+static const struct PokedudeInputScript sInputScripts_ChooseMove_Catching[] =
+{
+    {
+        .cursorPos = {  0,   2},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {  2,   2},
+        .delay     = { 64,   0}
+    },
+    {
+        .cursorPos = {255, 255},
+        .delay     = {  0,   0}
+    },
+};
+
+static const struct PokedudeInputScript *const sInputScripts_ChooseMove[] =
+{
+    [TTVSCR_BATTLE]   = sInputScripts_ChooseMove_Battle,
+    [TTVSCR_STATUS]   = sInputScripts_ChooseMove_Status,
+    [TTVSCR_MATCHUPS] = sInputScripts_ChooseMove_Matchups,
+    [TTVSCR_CATCHING] = sInputScripts_ChooseMove_Catching,
+};
+
+static const struct PokedudeTextScriptHeader sPokedudeTextScripts_Battle[] =
+{
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_OPPONENT,
+        .stringid = STRINGID_USEDMOVE,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_PLAYER,
+        .stringid = STRINGID_PKMNGAINEDEXP,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+};
+
+static const struct PokedudeTextScriptHeader sPokedudeTextScripts_Status[] =
+{
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = NULL,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintMessageWithHealthboxPals,
+    },
+    {
+        .btlcmd = CONTROLLER_OPENBAG,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_OPPONENT,
+        .stringid = STRINGID_USEDMOVE,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_PLAYER,
+        .stringid = STRINGID_PKMNGAINEDEXP,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+};
+
+static const struct PokedudeTextScriptHeader sPokedudeTextScripts_Matchups[] =
+{
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_OPPONENT,
+        .stringid = STRINGID_USEDMOVE,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEPOKEMON,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_OPPONENT,
+        .stringid = STRINGID_USEDMOVE,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEMOVE,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_PLAYER,
+        .stringid = STRINGID_PKMNGAINEDEXP,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+};
+
+static const struct PokedudeTextScriptHeader sPokedudeTextScripts_Catching[] =
+{
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = NULL,
+    },
+    {
+        .btlcmd = CONTROLLER_CHOOSEACTION,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_PRINTSTRING,
+        .side = B_SIDE_OPPONENT,
+        .stringid = STRINGID_PKMNFASTASLEEP,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_OPENBAG,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+    {
+        .btlcmd = CONTROLLER_55,
+        .side = B_SIDE_PLAYER,
+        .callback = PokedudeAction_PrintVoiceoverMessage,
+    },
+};
+
+static const struct PokedudeTextScriptHeader *const sPokedudeTextScripts[] =
+{
+    [TTVSCR_BATTLE]   = sPokedudeTextScripts_Battle,
+    [TTVSCR_STATUS]   = sPokedudeTextScripts_Status,
+    [TTVSCR_MATCHUPS] = sPokedudeTextScripts_Matchups,
+    [TTVSCR_CATCHING] = sPokedudeTextScripts_Catching,
+};
+
+static const u8 *const sPokedudeTexts_Battle[] =
+{
+    Pokedude_Text_SpeedierBattlerGoesFirst,
+    Pokedude_Text_MyRattataFasterThanPidgey,
+    Pokedude_Text_BattlersTakeTurnsAttacking,
+    Pokedude_Text_MyRattataWonGetsEXP,
+};
+
+static const u8 *const sPokedudeTexts_Status[] =
+{
+    Pokedude_Text_UhOhRattataPoisoned,
+    Pokedude_Text_UhOhRattataPoisoned,
+    Pokedude_Text_HealStatusRightAway,
+    Pokedude_Text_UsingItemTakesTurn,
+    Pokedude_Text_YayWeManagedToWin,
+};
+
+static const u8 *const sPokedudeTexts_TypeMatchup[] =
+{
+    Pokedude_Text_WaterNotVeryEffectiveAgainstGrass,
+    Pokedude_Text_GrassEffectiveAgainstWater,
+    Pokedude_Text_LetsTryShiftingMons,
+    Pokedude_Text_ShiftingUsesTurn,
+    Pokedude_Text_ButterfreeDoubleResistsGrass,
+    Pokedude_Text_ButterfreeGoodAgainstOddish,
+    Pokedude_Text_YeahWeWon,
+};
+
+static const u8 *const sPokedudeTexts_Catching[] =
+{
+    Pokedude_Text_WeakenMonBeforeCatching,
+    Pokedude_Text_WeakenMonBeforeCatching,
+    Pokedude_Text_BestIfTargetStatused,
+    Pokedude_Text_CantDoubleUpOnStatus,
+    Pokedude_Text_LetMeThrowBall,
+    Pokedude_Text_PickBestKindOfBall,
+};
+
+static const struct PokedudeBattlePartyInfo sParties_Battle[] =
+{
+    {
+        .side = B_SIDE_PLAYER,
+        .level = 15,
+        .species = SPECIES_RATTATA,
+        .moves = { MOVE_TACKLE, MOVE_TAIL_WHIP, MOVE_HYPER_FANG, MOVE_QUICK_ATTACK },
+        .nature = NATURE_LONELY,
+        .gender = MALE,
+    },
+    {
+        .side = B_SIDE_OPPONENT,
+        .level = 18,
+        .species = SPECIES_PIDGEY,
+        .moves = { MOVE_TACKLE, MOVE_SAND_ATTACK, MOVE_GUST, MOVE_QUICK_ATTACK },
+        .nature = NATURE_NAUGHTY,
+        .gender = MALE,
+    },
+    {0xFF}
+};
+
+static const struct PokedudeBattlePartyInfo sParties_Status[] =
+{
+    {
+        .side = B_SIDE_PLAYER,
+        .level = 15,
+        .species = SPECIES_RATTATA,
+        .moves = { MOVE_TACKLE, MOVE_TAIL_WHIP, MOVE_HYPER_FANG, MOVE_QUICK_ATTACK },
+        .nature = NATURE_LONELY,
+        .gender = MALE,
+    },
+    {
+        .side = B_SIDE_OPPONENT,
+        .level = 14,
+        .species = SPECIES_ODDISH,
+        .moves = { MOVE_ABSORB, MOVE_SWEET_SCENT, MOVE_POISON_POWDER },
+        .nature = NATURE_RASH,
+        .gender = MALE,
+    },
+    {0xFF}
+};
+
+static const struct PokedudeBattlePartyInfo sParties_Matchups[] =
+{
+    {
+        .side = B_SIDE_PLAYER,
+        .level = 15,
+        .species = SPECIES_POLIWAG,
+        .moves = { MOVE_WATER_GUN, MOVE_HYPNOSIS, MOVE_BUBBLE },
+        .nature = NATURE_RASH,
+        .gender = MALE,
+    },
+    {
+        .side = B_SIDE_PLAYER,
+        .level = 15,
+        .species = SPECIES_BUTTERFREE,
+        .moves = { MOVE_CONFUSION, MOVE_POISON_POWDER, MOVE_STUN_SPORE, MOVE_SLEEP_POWDER },
+        .nature = NATURE_RASH,
+        .gender = MALE,
+    },
+    {
+        .side = B_SIDE_OPPONENT,
+        .level = 14,
+        .species = SPECIES_ODDISH,
+        .moves = { MOVE_ABSORB, MOVE_SWEET_SCENT, MOVE_POISON_POWDER },
+        .nature = NATURE_RASH,
+        .gender = MALE,
+    },
+    {0xFF}
+};
+
+static const struct PokedudeBattlePartyInfo sParties_Catching[] =
+{
+    {
+        .side = B_SIDE_PLAYER,
+        .level = 15,
+        .species = SPECIES_BUTTERFREE,
+        .moves = { MOVE_CONFUSION, MOVE_POISON_POWDER, MOVE_SLEEP_POWDER, MOVE_STUN_SPORE },
+        .nature = NATURE_RASH,
+        .gender = MALE,
+    },
+    {
+        .side = B_SIDE_OPPONENT,
+        .level = 11,
+        .species = SPECIES_JIGGLYPUFF,
+        .moves = { MOVE_SING, MOVE_DEFENSE_CURL, MOVE_POUND },
+        .nature = NATURE_CAREFUL,
+        .gender = MALE,
+    },
+    {0xFF}
+};
+
+
+static const struct PokedudeBattlePartyInfo *const sPokedudeBattlePartyPointers[] =
+{
+    [TTVSCR_BATTLE]   = sParties_Battle,
+    [TTVSCR_STATUS]   = sParties_Status,
+    [TTVSCR_MATCHUPS] = sParties_Matchups,
+    [TTVSCR_CATCHING] = sParties_Catching,
+};
+
+struct PokedudeBattlerState *gPokedudeBattlerStates[MAX_BATTLERS_COUNT];
+
+static void PokedudeSimulateInputChooseAction(void)
+{
+    const struct PokedudeInputScript *script_p = sInputScripts_ChooseAction[gBattleStruct->pdScriptNum];
+
     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
     {
         DoBounceEffect(gActiveBattler, BOUNCE_HEALTHBOX, 7, 1);
         DoBounceEffect(gActiveBattler, BOUNCE_MON, 7, 1);
     }
-    if (*(r7[gUnknown_3005EE0[gActiveBattler][0]] + gActiveBattler + 4) == gUnknown_3005EE0[gActiveBattler][2])
+    if (script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].delay[gActiveBattler] == gPokedudeBattlerStates[gActiveBattler]->timer)
     {
         if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
             PlaySE(SE_SELECT);
-        gUnknown_3005EE0[gActiveBattler][2] = 0;
-        switch (r7[gUnknown_3005EE0[gActiveBattler][0]][gActiveBattler])
+        gPokedudeBattlerStates[gActiveBattler]->timer = 0;
+        switch (script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].cursorPos[gActiveBattler])
         {
         case 0:
             BtlController_EmitTwoReturnValues(1, B_ACTION_USE_MOVE, 0);
@@ -2384,169 +2457,169 @@ static void sub_8159824(void)
             break;
         }
         PokedudeBufferExecCompleted();
-        ++gUnknown_3005EE0[gActiveBattler][0];
-        if (r7[gUnknown_3005EE0[gActiveBattler][0]][gActiveBattler] == 4)
-            gUnknown_3005EE0[gActiveBattler][0] = 0;
+        ++gPokedudeBattlerStates[gActiveBattler]->action_idx;
+        if (script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].cursorPos[gActiveBattler] == 4)
+            gPokedudeBattlerStates[gActiveBattler]->action_idx = 0;
     }
     else
     {
-        if (gActionSelectionCursor[gActiveBattler] != r7[gUnknown_3005EE0[gActiveBattler][0]][gActiveBattler]
-         && r7[gUnknown_3005EE0[gActiveBattler][0]][gActiveBattler + 4] / 2 == gUnknown_3005EE0[gActiveBattler][2])
+        if (gActionSelectionCursor[gActiveBattler] != script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].cursorPos[gActiveBattler]
+            && script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].delay[gActiveBattler] / 2 == gPokedudeBattlerStates[gActiveBattler]->timer)
         {
             PlaySE(SE_SELECT);
             ActionSelectionDestroyCursorAt(gActionSelectionCursor[gActiveBattler]);
-            gActionSelectionCursor[gActiveBattler] = r7[gUnknown_3005EE0[gActiveBattler][0]][gActiveBattler];
+            gActionSelectionCursor[gActiveBattler] = script_p[gPokedudeBattlerStates[gActiveBattler]->action_idx].cursorPos[gActiveBattler];
             ActionSelectionCreateCursorAt(gActionSelectionCursor[gActiveBattler], 0);
         }
-        ++gUnknown_3005EE0[gActiveBattler][2];
+        ++gPokedudeBattlerStates[gActiveBattler]->timer;
     }
 }
 
-static void sub_8159998(void)
+static void PokedudeSimulateInputChooseMove(void)
 {
-    const u8 (*r7)[8] = gUnknown_84790D8[gBattleStruct->field_96];
+    const struct PokedudeInputScript *script_p = sInputScripts_ChooseMove[gBattleStruct->pdScriptNum];
 
-    if (*(r7[gUnknown_3005EE0[gActiveBattler][1]] + gActiveBattler + 4) == gUnknown_3005EE0[gActiveBattler][2])
+    if (script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].delay[gActiveBattler] == gPokedudeBattlerStates[gActiveBattler]->timer)
     {
         if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
             PlaySE(SE_SELECT);
-        gUnknown_3005EE0[gActiveBattler][2] = 0;
+        gPokedudeBattlerStates[gActiveBattler]->timer = 0;
         BtlController_EmitTwoReturnValues(1,
                                           B_ACTION_EXEC_SCRIPT,
-                                          r7[gUnknown_3005EE0[gActiveBattler][1]][gActiveBattler] | ((gActiveBattler ^ BIT_SIDE) << 8));
+                                          script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].cursorPos[gActiveBattler] | ((gActiveBattler ^ BIT_SIDE) << 8));
         PokedudeBufferExecCompleted();
-        ++gUnknown_3005EE0[gActiveBattler][1];
-        if (r7[gUnknown_3005EE0[gActiveBattler][1]][gActiveBattler] == 255)
-            gUnknown_3005EE0[gActiveBattler][1] = 0;
+        ++gPokedudeBattlerStates[gActiveBattler]->move_idx;
+        if (script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].cursorPos[gActiveBattler] == 255)
+            gPokedudeBattlerStates[gActiveBattler]->move_idx = 0;
     }
     else
     {
-        if (r7[gUnknown_3005EE0[gActiveBattler][1]][gActiveBattler] != gMoveSelectionCursor[gActiveBattler]
-         && r7[gUnknown_3005EE0[gActiveBattler][1]][gActiveBattler + 4]  / 2 == gUnknown_3005EE0[gActiveBattler][2])
+        if (script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].cursorPos[gActiveBattler] != gMoveSelectionCursor[gActiveBattler]
+            && script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].delay[gActiveBattler] / 2 == gPokedudeBattlerStates[gActiveBattler]->timer)
         {
             PlaySE(SE_SELECT);
             MoveSelectionDestroyCursorAt(gMoveSelectionCursor[gActiveBattler]);
-            gMoveSelectionCursor[gActiveBattler] = r7[gUnknown_3005EE0[gActiveBattler][1]][gActiveBattler];
+            gMoveSelectionCursor[gActiveBattler] = script_p[gPokedudeBattlerStates[gActiveBattler]->move_idx].cursorPos[gActiveBattler];
             MoveSelectionCreateCursorAt(gMoveSelectionCursor[gActiveBattler], 0);
         }
-        ++gUnknown_3005EE0[gActiveBattler][2];
+        ++gPokedudeBattlerStates[gActiveBattler]->timer;
     }
 }
 
-static bool8 sub_8159AB8(void)
+static bool8 HandlePokedudeVoiceoverEtc(void)
 {
-    const struct Unk_84790E8 *r6 = gUnknown_8479198[gBattleStruct->field_96];
-    const u16 * r12 = (const u16 *)&gBattleBufferA[gActiveBattler][2];
+    const struct PokedudeTextScriptHeader *header_p = sPokedudeTextScripts[gBattleStruct->pdScriptNum];
+    const u16 * bstringid_p = (const u16 *)&gBattleBufferA[gActiveBattler][2];
 
-    if (gBattleBufferA[gActiveBattler][0] != r6[gBattleStruct->field_97].unk_0)
+    if (gBattleBufferA[gActiveBattler][0] != header_p[gBattleStruct->pdMessageNo].btlcmd)
         return FALSE;
-    if (gActiveBattler != r6[gBattleStruct->field_97].unk_1)
+    if (gActiveBattler != header_p[gBattleStruct->pdMessageNo].side)
         return FALSE;
-    if (gBattleBufferA[gActiveBattler][0] == 16 && r6[gBattleStruct->field_97].unk_2 != *r12)
+    if (gBattleBufferA[gActiveBattler][0] == CONTROLLER_PRINTSTRING && header_p[gBattleStruct->pdMessageNo].stringid != *bstringid_p)
         return FALSE;
-    if (r6[gBattleStruct->field_97].unk_4 == NULL)
+    if (header_p[gBattleStruct->pdMessageNo].callback == NULL)
     {
-        gBattleStruct->field_97++;
+        gBattleStruct->pdMessageNo++;
         return FALSE;
     }
-    gBattlerControllerFuncs[gActiveBattler] = r6[gBattleStruct->field_97].unk_4;
-    gUnknown_3005EE0[gActiveBattler][2] = 0;
-    gUnknown_3005EE0[gActiveBattler][3] = r6[gBattleStruct->field_97].unk_2;
-    gBattleStruct->field_97++;
+    gBattlerControllerFuncs[gActiveBattler] = header_p[gBattleStruct->pdMessageNo].callback;
+    gPokedudeBattlerStates[gActiveBattler]->timer = 0;
+    gPokedudeBattlerStates[gActiveBattler]->msg_idx = header_p[gBattleStruct->pdMessageNo].stringid;
+    gBattleStruct->pdMessageNo++;
     return TRUE;
 }
 
-static void sub_8159B78(void)
+static void ReturnFromPokedudeAction(void)
 {
-    gUnknown_3005EE0[gActiveBattler][2] = 0;
+    gPokedudeBattlerStates[gActiveBattler]->timer = 0;
     gBattlerControllerFuncs[gActiveBattler] = PokedudeBufferRunCommand;
 }
 
-static void sub_8159BA8(void)
+static void PokedudeAction_PrintVoiceoverMessage(void)
 {
-    switch (gUnknown_3005EE0[gActiveBattler][2])
+    switch (gPokedudeBattlerStates[gActiveBattler]->timer)
     {
     case 0:
         if (!gPaletteFade.active)
         {
             BeginNormalPaletteFade(0xFFFFFF7F, 4, 0, 8, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 1:
         if (!gPaletteFade.active)
         {
-            gUnknown_3005EE0[gActiveBattler][4] = gBattle_BG0_Y;
-            sub_80EB30C();
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            gPokedudeBattlerStates[gActiveBattler]->saved_bg0y = gBattle_BG0_Y;
+            BtlCtrl_DrawVoiceoverMessageFrame();
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 2:
         gBattle_BG0_Y = 0;
         BattleStringExpandPlaceholdersToDisplayedString(GetPokedudeText());
         BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-        ++gUnknown_3005EE0[gActiveBattler][2];
+        ++gPokedudeBattlerStates[gActiveBattler]->timer;
         break;
     case 3:
         if (!IsTextPrinterActive(24) && JOY_NEW(A_BUTTON))
         {
             PlaySE(SE_SELECT);
             BeginNormalPaletteFade(0xFFFFFF7F, 4, 8, 0, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 4:
         if (!gPaletteFade.active)
         {
-            if (gUnknown_3005EE0[gActiveBattler][3] == 13)
+            if (gPokedudeBattlerStates[gActiveBattler]->msg_idx == STRINGID_PKMNGAINEDEXP)
             {
                 BattleStopLowHpSound();
                 PlayBGM(MUS_VICTORY_WILD);
             }
-            gBattle_BG0_Y = gUnknown_3005EE0[gActiveBattler][4];
-            sub_80EB524();
-            sub_8159B78();
+            gBattle_BG0_Y = gPokedudeBattlerStates[gActiveBattler]->saved_bg0y;
+            BtlCtrl_RemoveVoiceoverMessageFrame();
+            ReturnFromPokedudeAction();
         }
         break;
     }
 }
 
-static void sub_8159D04(void)
+static void PokedudeAction_PrintMessageWithHealthboxPals(void)
 {
-    switch (gUnknown_3005EE0[gActiveBattler][2])
+    switch (gPokedudeBattlerStates[gActiveBattler]->timer)
     {
     case 0:
         if (!gPaletteFade.active)
         {
-            sub_80EEFC8(&gBattleStruct->field_95,
-                        &gBattleStruct->field_94,
-                        GetBattlerAtPosition(B_POSITION_PLAYER_LEFT));
+            DoLoadHealthboxPalsForLevelUp(&gBattleStruct->pdHealthboxPal2,
+                                          &gBattleStruct->pdHealthboxPal1,
+                                          GetBattlerAtPosition(B_POSITION_PLAYER_LEFT));
             BeginNormalPaletteFade(0xFFFFFF7F, 4, 0, 8, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 1:
         if (!gPaletteFade.active)
         {
-            u32 mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_94]) << 16;
+            u32 mask = (gBitTable[gBattleStruct->pdHealthboxPal2] | gBitTable[gBattleStruct->pdHealthboxPal1]) << 16;
 
             ++mask; // It's possible that this is influenced by other functions, as
-            --mask; // this also striked in battle_controller_oak_old_man.c but was naturally fixed. 
+            --mask; // this also striked in battle_controller_oak_old_man.c but was naturally fixed.
             BeginNormalPaletteFade(mask, 4, 8, 0, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 2:
         if (!gPaletteFade.active)
         {
-            sub_80EB30C();
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            BtlCtrl_DrawVoiceoverMessageFrame();
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 3:
         BattleStringExpandPlaceholdersToDisplayedString(GetPokedudeText());
         BattlePutTextOnWindow(gDisplayedStringBattle, 24);
-        ++gUnknown_3005EE0[gActiveBattler][2];
+        ++gPokedudeBattlerStates[gActiveBattler]->timer;
         break;
     case 4:
         if (!IsTextPrinterActive(24) && JOY_NEW(A_BUTTON))
@@ -2554,31 +2627,31 @@ static void sub_8159D04(void)
             u32 mask;
 
             PlaySE(SE_SELECT);
-            mask = (gBitTable[gBattleStruct->field_95] | gBitTable[gBattleStruct->field_94]) << 16;
+            mask = (gBitTable[gBattleStruct->pdHealthboxPal2] | gBitTable[gBattleStruct->pdHealthboxPal1]) << 16;
             ++mask;
             --mask;
             BeginNormalPaletteFade(mask, 4, 0, 8, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 5:
         if (!gPaletteFade.active)
         {
             BeginNormalPaletteFade(0xFFFFFF7F, 4, 8, 0, RGB_BLACK);
-            ++gUnknown_3005EE0[gActiveBattler][2];
+            ++gPokedudeBattlerStates[gActiveBattler]->timer;
         }
         break;
     case 6:
         if (!gPaletteFade.active)
         {
-            if (gUnknown_3005EE0[gActiveBattler][3] == 13)
+            if (gPokedudeBattlerStates[gActiveBattler]->msg_idx == STRINGID_PKMNGAINEDEXP)
             {
                 BattleStopLowHpSound();
                 PlayBGM(MUS_VICTORY_WILD);
             }
-            sub_80EF0E0(GetBattlerAtPosition(B_POSITION_PLAYER_LEFT));
-            sub_80EB524();
-            sub_8159B78();
+            DoFreeHealthboxPalsForLevelUp(GetBattlerAtPosition(B_POSITION_PLAYER_LEFT));
+            BtlCtrl_RemoveVoiceoverMessageFrame();
+            ReturnFromPokedudeAction();
         }
         break;
     }
@@ -2586,17 +2659,17 @@ static void sub_8159D04(void)
 
 static const u8 *GetPokedudeText(void)
 {
-    switch (gBattleStruct->field_96)
+    switch (gBattleStruct->pdScriptNum)
     {
     case TTVSCR_BATTLE:
     default:
-        return sPokedudeTexts_Battle[gBattleStruct->field_97 - 1];
+        return sPokedudeTexts_Battle[gBattleStruct->pdMessageNo - 1];
     case TTVSCR_STATUS:
-        return sPokedudeTexts_Status[gBattleStruct->field_97 - 1];
+        return sPokedudeTexts_Status[gBattleStruct->pdMessageNo - 1];
     case TTVSCR_MATCHUPS:
-        return sPokedudeTexts_TypeMatchup[gBattleStruct->field_97 - 1];
+        return sPokedudeTexts_TypeMatchup[gBattleStruct->pdMessageNo - 1];
     case TTVSCR_CATCHING:
-        return sPokedudeTexts_Catching[gBattleStruct->field_97 - 1];
+        return sPokedudeTexts_Catching[gBattleStruct->pdMessageNo - 1];
     }
 }
 
diff --git a/src/battle_controller_safari.c b/src/battle_controller_safari.c
index b09661675..de67bf9bc 100644
--- a/src/battle_controller_safari.c
+++ b/src/battle_controller_safari.c
@@ -139,7 +139,7 @@ static void (*const sSafariBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 };
 
 // not used
-static void SpriteCB_Null4(struct Sprite *sprite)
+static void SafariDummy(void)
 {
 }
 
@@ -242,7 +242,7 @@ static void CompleteOnHealthboxSpriteCallbackDummy(void)
         SafariBufferExecCompleted();
 }
 
-static void sub_80DD7B0(void)
+static void Safari_SetBattleEndCallbacks(void)
 {
     if (!gPaletteFade.active)
     {
@@ -348,7 +348,7 @@ static void SafariHandleDrawTrainerPic(void)
     gSprites[gBattlerSpriteIds[gActiveBattler]].oam.paletteNum = gActiveBattler;
     gSprites[gBattlerSpriteIds[gActiveBattler]].pos2.x = 240;
     gSprites[gBattlerSpriteIds[gActiveBattler]].data[0] = -2;
-    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = sub_8033EEC;
+    gSprites[gBattlerSpriteIds[gActiveBattler]].callback = SpriteCB_TrainerSlideIn;
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnBattlerSpriteCallbackDummy;
 }
 
@@ -408,7 +408,7 @@ static void SafariHandlePrintString(void)
     gBattle_BG0_Y = 0;
     stringId = (u16 *)(&gBattleBufferA[gActiveBattler][2]);
     BufferStringBattle(*stringId);
-    if (sub_80D89B0(*stringId))
+    if (BattleStringShouldBeColored(*stringId))
         BattlePutTextOnWindow(gDisplayedStringBattle, 0x40);
     else
         BattlePutTextOnWindow(gDisplayedStringBattle, 0);
@@ -608,7 +608,7 @@ static void SafariHandleIntroSlide(void)
 static void SafariHandleIntroTrainerBallThrow(void)
 {
     UpdateHealthboxAttribute(gHealthboxSpriteIds[gActiveBattler], &gPlayerParty[gBattlerPartyIndexes[gActiveBattler]], HEALTHBOX_SAFARI_ALL_TEXT);
-    sub_804BD94(gActiveBattler);
+    StartHealthboxSlideIn(gActiveBattler);
     SetHealthboxSpriteVisible(gHealthboxSpriteIds[gActiveBattler]);
     gBattlerControllerFuncs[gActiveBattler] = CompleteOnHealthboxSpriteCallbackDummy;
 }
@@ -661,7 +661,7 @@ static void SafariHandleCmd55(void)
     BeginFastPaletteFade(3);
     SafariBufferExecCompleted();
     if ((gBattleTypeFlags & BATTLE_TYPE_LINK) && !(gBattleTypeFlags & BATTLE_TYPE_IS_MASTER))
-        gBattlerControllerFuncs[gActiveBattler] = sub_80DD7B0;
+        gBattlerControllerFuncs[gActiveBattler] = Safari_SetBattleEndCallbacks;
 }
 
 static void SafariCmdEnd(void)
diff --git a/src/battle_controllers.c b/src/battle_controllers.c
index 583a64eaa..a0495ac15 100644
--- a/src/battle_controllers.c
+++ b/src/battle_controllers.c
@@ -45,10 +45,10 @@ void SetUpBattleVars(void)
 {
     s32 i;
 
-    gBattleMainFunc = nullsub_12;
+    gBattleMainFunc = BattleDummy;
     for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
     {
-        gBattlerControllerFuncs[i] = nullsub_13;
+        gBattlerControllerFuncs[i] = PlayerDummy;
         gBattlerPositions[i] = 0xFF;
         gActionSelectionCursor[i] = 0;
         gMoveSelectionCursor[i] = 0;
@@ -62,7 +62,7 @@ void SetUpBattleVars(void)
     gUnknown_2023DDC = 0;
 }
 
-void sub_800D30C(void)
+void InitBtlControllers(void)
 {
     s32 i;
 
@@ -481,7 +481,7 @@ static void Task_HandleSendLinkBuffersData(u8 taskId)
     }
 }
 
-void sub_800DD28(void)
+void TryReceiveLinkBattleData(void)
 {
     u8 i;
     s32 j;
@@ -748,7 +748,7 @@ void BtlController_EmitPrintString(u8 bufferId, u16 stringID)
     stringInfo->lastItem = gLastUsedItem;
     stringInfo->lastAbility = gLastUsedAbility;
     stringInfo->scrActive = gBattleScripting.battler;
-    stringInfo->unk1605E = gBattleStruct->field_52;
+    stringInfo->bakScriptPartyIdx = gBattleStruct->scriptPartyIdx;
     stringInfo->hpScale = gBattleStruct->hpScale;
     stringInfo->itemEffectBattler = gPotentialItemEffectBattler;
     stringInfo->moveType = gBattleMoves[gCurrentMove].type;
@@ -778,7 +778,7 @@ void BtlController_EmitPrintSelectionString(u8 bufferId, u16 stringID)
     stringInfo->lastItem = gLastUsedItem;
     stringInfo->lastAbility = gLastUsedAbility;
     stringInfo->scrActive = gBattleScripting.battler;
-    stringInfo->unk1605E = gBattleStruct->field_52;
+    stringInfo->bakScriptPartyIdx = gBattleStruct->scriptPartyIdx;
     for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
         stringInfo->abilities[i] = gBattleMons[i].ability;
     for (i = 0; i < TEXT_BUFF_ARRAY_COUNT; ++i)
@@ -1097,13 +1097,13 @@ void BtlController_EmitIntroTrainerBallThrow(u8 bufferId)
     PrepareBufferDataTransfer(bufferId, sBattleBuffersTransferData, 4);
 }
 
-void BtlController_EmitDrawPartyStatusSummary(u8 bufferId, struct HpAndStatus* hpAndStatus, u8 arg2)
+void BtlController_EmitDrawPartyStatusSummary(u8 bufferId, struct HpAndStatus* hpAndStatus, u8 param)
 {
     s32 i;
 
     sBattleBuffersTransferData[0] = CONTROLLER_DRAWPARTYSTATUSSUMMARY;
-    sBattleBuffersTransferData[1] = arg2 & 0x7F;
-    sBattleBuffersTransferData[2] = (arg2 & 0x80) >> 7;
+    sBattleBuffersTransferData[1] = param & 0x7F;
+    sBattleBuffersTransferData[2] = (param & 0x80) >> 7;
     sBattleBuffersTransferData[3] = CONTROLLER_DRAWPARTYSTATUSSUMMARY;
     for (i = 0; i < (s32)(sizeof(struct HpAndStatus) * PARTY_SIZE); ++i)
         sBattleBuffersTransferData[4 + i] = *(i + (u8 *)(hpAndStatus));
diff --git a/src/battle_gfx_sfx_util.c b/src/battle_gfx_sfx_util.c
index 4340703e3..d0025de01 100644
--- a/src/battle_gfx_sfx_util.c
+++ b/src/battle_gfx_sfx_util.c
@@ -128,7 +128,7 @@ void FreeBattleSpritesData(void)
     }
 }
 
-void sub_8033E3C(struct Sprite *sprite)
+void SpriteCB_WaitForBattlerBallReleaseAnim(struct Sprite *sprite)
 {
     u8 spriteId = sprite->data[1];
 
@@ -140,14 +140,14 @@ void sub_8033E3C(struct Sprite *sprite)
         gSprites[spriteId].animPaused = 0;
     else if (gSprites[spriteId].animEnded)
     {
-        gSprites[spriteId].callback = sub_8012100;
+        gSprites[spriteId].callback = SpriteCB_SetToDummy3;
         StartSpriteAffineAnim(&gSprites[spriteId], 0);
         sprite->callback = SpriteCallbackDummy;
     }
 }
 
 // not used
-static void sub_8033EB0(struct Sprite *sprite, bool8 arg1)
+UNUSED static void UnusedDoBattleSpriteAffineAnim(struct Sprite *sprite, bool8 arg1)
 {
     sprite->animPaused = 1;
     sprite->callback = SpriteCallbackDummy;
@@ -158,7 +158,7 @@ static void sub_8033EB0(struct Sprite *sprite, bool8 arg1)
     AnimateSprite(sprite);
 }
 
-void sub_8033EEC(struct Sprite *sprite)
+void SpriteCB_TrainerSlideIn(struct Sprite *sprite)
 {
     if (!(gIntroSlideFlags & 1))
     {
@@ -290,21 +290,24 @@ bool8 IsMoveWithoutAnimation(u16 moveId, u8 animationTurn)
     return FALSE;
 }
 
-bool8 mplay_80342A4(u8 battlerId)
+bool8 IsBattleSEPlaying(u8 battlerId)
 {
     u8 zero = 0;
 
     if (IsSEPlaying())
     {
-        ++gBattleSpritesDataPtr->healthBoxesData[battlerId].field_8;
-        if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].field_8 < 30)
+        ++gBattleSpritesDataPtr->healthBoxesData[battlerId].soundTimer;
+        // UB: Uses gActiveBattler instead of battlerId.
+        // In practice, this is never a problem, as this routine
+        // is only ever passed gActiveBattler.
+        if (gBattleSpritesDataPtr->healthBoxesData[gActiveBattler].soundTimer < 30)
             return TRUE;
         m4aMPlayStop(&gMPlayInfo_SE1);
         m4aMPlayStop(&gMPlayInfo_SE2);
     }
     if (zero == 0)
     {
-        gBattleSpritesDataPtr->healthBoxesData[battlerId].field_8 = 0;
+        gBattleSpritesDataPtr->healthBoxesData[battlerId].soundTimer = 0;
         return FALSE;
     }
     else
@@ -384,7 +387,7 @@ void BattleLoadPlayerMonSpriteGfx(struct Pokemon *mon, u8 battlerId)
     }
     otId = GetMonData(mon, MON_DATA_OT_ID);
     position = GetBattlerPosition(battlerId);
-    if (sub_804455C(1, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != SPECIES_NONE)
+    if (ShouldIgnoreDeoxysForm(1, battlerId) == TRUE || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != SPECIES_NONE)
         HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[species],
                                                   gMonSpritesGfxPtr->sprites[position],
                                                   species, currentPersonality);
@@ -449,7 +452,7 @@ void DecompressTrainerBackPalette(u16 index, u8 palette)
     LoadCompressedPalette(gTrainerBackPicPaletteTable[index].data, (palette + 16) * 16, 0x20);
 }
 
-void nullsub_16(u8 a1)
+void BattleGfxSfxDummy3(u8 a1)
 {
 }
 
@@ -864,7 +867,7 @@ void HandleBattleLowHpMusicChange(void)
     }
 }
 
-void sub_8035450(u8 affineMode)
+void SetBattlerSpriteAffineMode(u8 affineMode)
 {
     s32 i;
 
@@ -950,9 +953,12 @@ void HideBattlerShadowSprite(u8 battlerId)
     gSprites[gBattleSpritesDataPtr->healthBoxesData[battlerId].shadowSpriteId].callback = SpriteCB_SetInvisible;
 }
 
-void sub_80357C8(void)
+// Low-level function that sets specific interface tiles' palettes,
+// overwriting any pixel with value 0.
+void BattleInterfaceSetWindowPals(void)
 {
-    u16 *vramPtr = (u16 *)(VRAM + 0x240);
+    // 9 tiles at 0x06000240
+    u16 *vramPtr = (u16 *)(BG_VRAM + 0x240);
     s32 i;
     s32 j;
 
@@ -970,7 +976,9 @@ void sub_80357C8(void)
                 *vramPtr |= 0x000F;
         }
     }
-    vramPtr = (u16 *)(VRAM + 0x600);
+
+    // 18 tiles at 0x06000600
+    vramPtr = (u16 *)(BG_VRAM + 0x600);
     for (i = 0; i < 18; ++i)
     {
         for (j = 0; j < 16; ++vramPtr, ++j)
@@ -1005,15 +1013,15 @@ void AllocateMonSpritesGfx(void)
     for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
     {
         gMonSpritesGfxPtr->sprites[i] = gMonSpritesGfxPtr->firstDecompressed + (i * 0x2000);
-        *(gMonSpritesGfxPtr->templates + i) = gUnknown_825DEF0[i];
+        *(gMonSpritesGfxPtr->templates + i) = gSpriteTemplates_Battlers[i];
 
         for (j = 0; j < 4; ++j)
         {
-            gMonSpritesGfxPtr->field_74[i][j].data = gMonSpritesGfxPtr->sprites[i] + (j * 0x800);
-            gMonSpritesGfxPtr->field_74[i][j].size = 0x800;
+            gMonSpritesGfxPtr->images[i][j].data = gMonSpritesGfxPtr->sprites[i] + (j * 0x800);
+            gMonSpritesGfxPtr->images[i][j].size = 0x800;
         }
 
-        gMonSpritesGfxPtr->templates[i].images = gMonSpritesGfxPtr->field_74[i];
+        gMonSpritesGfxPtr->templates[i].images = gMonSpritesGfxPtr->images[i];
     }
     gMonSpritesGfxPtr->barFontGfx = AllocZeroed(0x1000);
 }
@@ -1022,8 +1030,8 @@ void FreeMonSpritesGfx(void)
 {
     if (gMonSpritesGfxPtr == NULL)
         return;
-    if (gMonSpritesGfxPtr->field_17C != NULL)
-        FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_17C);
+    if (gMonSpritesGfxPtr->multiUseBuffer != NULL)
+        FREE_AND_SET_NULL(gMonSpritesGfxPtr->multiUseBuffer);
     if (gMonSpritesGfxPtr->field_178 != NULL)
         FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_178);
     FREE_AND_SET_NULL(gMonSpritesGfxPtr->barFontGfx);
diff --git a/src/battle_interface.c b/src/battle_interface.c
index 9212cae14..3744c34eb 100644
--- a/src/battle_interface.c
+++ b/src/battle_interface.c
@@ -1044,17 +1044,17 @@ void SwapHpBarsWithHpText(void)
 #define tIsBattleStart          data[10]
 #define tData15                 data[15]
 
-u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo, u8 arg2, bool8 isBattleStart)
+u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo, bool8 isSwitchingMons, bool8 isBattleStart)
 {
     bool8 isOpponent;
-    s8 sp14;
+    s8 nValidMons;
     s16 bar_X, bar_Y, bar_pos2_X, bar_data0;
     s32 i;
     u8 summaryBarSpriteId;
     u8 ballIconSpritesIds[PARTY_SIZE];
     u8 taskId;
 
-    if (!arg2 || GetBattlerPosition(battlerId) != B_POSITION_OPPONENT_RIGHT)
+    if (!isSwitchingMons || GetBattlerPosition(battlerId) != B_POSITION_OPPONENT_RIGHT)
     {
         if (GetBattlerSide(battlerId) == B_SIDE_PLAYER)
         {
@@ -1067,7 +1067,7 @@ u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo,
         {
             isOpponent = TRUE;
 
-            if (!arg2 || !IsDoubleBattle())
+            if (!isSwitchingMons || !IsDoubleBattle())
                 bar_X = 104, bar_Y = 40;
             else
                 bar_X = 104, bar_Y = 16;
@@ -1084,10 +1084,10 @@ u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo,
         bar_data0 = 5;
     }
 
-    for (i = 0, sp14 = 0; i < PARTY_SIZE; i++)
+    for (i = 0, nValidMons = 0; i < PARTY_SIZE; i++)
     {
         if (partyInfo[i].hp != 0xFFFF)
-            sp14++;
+            nValidMons++;
     }
 
     LoadCompressedSpriteSheetUsingHeap(&sStatusSummaryBarSpriteSheets[isOpponent]);
@@ -1163,7 +1163,7 @@ u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo,
             }
             else
             {
-                if (i >= sp14) // empty slot or an egg
+                if (i >= nValidMons) // empty slot or an egg
                 {
                     gSprites[ballIconSpritesIds[i]].oam.tileNum += 1;
                     gSprites[ballIconSpritesIds[i]].data[7] = 1;
@@ -1202,7 +1202,7 @@ u8 CreatePartyStatusSummarySprites(u8 battlerId, struct HpAndStatus *partyInfo,
             else
             {
                 ballIconSpritesIds[5 - i] += 0;
-                if (i >= sp14) // empty slot or an egg
+                if (i >= nValidMons) // empty slot or an egg
                 {
                     gSprites[ballIconSpritesIds[5 - i]].oam.tileNum += 1;
                     gSprites[ballIconSpritesIds[5 - i]].data[7] = 1;
diff --git a/src/battle_intro.c b/src/battle_intro.c
index 04c7072d9..9b1391fab 100644
--- a/src/battle_intro.c
+++ b/src/battle_intro.c
@@ -9,8 +9,8 @@
 
 static EWRAM_DATA u16 sBgCnt = 0;
 
-extern const u8 gUnknown_83E7CCA[];
-extern const u8 gUnknown_83E7CCE[];
+extern const u8 gBattleAnimRegOffsBgCnt[];
+extern const u8 gBattleIntroRegOffsBgCnt[];
 
 static void BattleIntroSlide1(u8 taskId);
 static void BattleIntroSlide2(u8 taskId);
@@ -35,7 +35,7 @@ void SetAnimBgAttribute(u8 bgId, u8 attributeId, u8 value)
 {
     if (bgId < 4)
     {
-        sBgCnt = GetGpuReg(gUnknown_83E7CCA[bgId]);
+        sBgCnt = GetGpuReg(gBattleAnimRegOffsBgCnt[bgId]);
         switch (attributeId)
         {
         case BG_ANIM_SCREEN_SIZE:
@@ -60,7 +60,7 @@ void SetAnimBgAttribute(u8 bgId, u8 attributeId, u8 value)
             ((struct BgCnt *)&sBgCnt)->screenBaseBlock = value;
             break;
         }
-        SetGpuReg(gUnknown_83E7CCA[bgId], sBgCnt);
+        SetGpuReg(gBattleAnimRegOffsBgCnt[bgId], sBgCnt);
     }
 }
 
@@ -70,7 +70,7 @@ s32 GetAnimBgAttribute(u8 bgId, u8 attributeId)
 
     if (bgId < 4)
     {
-        bgCnt = GetGpuReg(gUnknown_83E7CCE[bgId]);
+        bgCnt = GetGpuReg(gBattleIntroRegOffsBgCnt[bgId]);
         switch (attributeId)
         {
         case BG_ANIM_SCREEN_SIZE:
@@ -422,9 +422,9 @@ static void BattleIntroSlideLink(u8 taskId)
         {
             ++gTasks[taskId].data[0];
             gSprites[gBattleStruct->linkBattleVsSpriteId_V].oam.objMode = ST_OAM_OBJ_WINDOW;
-            gSprites[gBattleStruct->linkBattleVsSpriteId_V].callback = sub_801182C;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_V].callback = SpriteCB_VsLetterInit;
             gSprites[gBattleStruct->linkBattleVsSpriteId_S].oam.objMode = ST_OAM_OBJ_WINDOW;
-            gSprites[gBattleStruct->linkBattleVsSpriteId_S].callback = sub_801182C;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].callback = SpriteCB_VsLetterInit;
             SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR);
             SetGpuReg(REG_OFFSET_WINOUT, WINOUT_WINOBJ_BG_ALL | WINOUT_WINOBJ_OBJ | WINOUT_WINOBJ_CLR | WINOUT_WIN01_BG1 | WINOUT_WIN01_BG2);
         }
@@ -465,18 +465,18 @@ static void BattleIntroSlideLink(u8 taskId)
     }
 }
 
-void sub_80BCEF4(s32 bgId, u8 arg1, u8 arg2, u8 battlerPosition, u8 arg4, u8 *arg5, u16 *arg6, u16 tilesOffset)
+void CopyBattlerSpriteToBg(s32 bgId, u8 x, u8 y, u8 battlerPosition, u8 palno, u8 *tilesDest, u16 *tilemapDest, u16 tilesOffset)
 {
     s32 i, j;
     u8 battler = GetBattlerAtPosition(battlerPosition);
     s32 offset = tilesOffset;
 
-    CpuCopy16(gMonSpritesGfxPtr->sprites[battlerPosition] + BG_SCREEN_SIZE * gBattleMonForms[battler], arg5, BG_SCREEN_SIZE);
-    LoadBgTiles(bgId, arg5, 0x1000, tilesOffset);
-    for (i = arg2; i < arg2 + 8; ++i)
-        for (j = arg1; j < arg1 + 8; ++j)
-            arg6[i * 32 + j] = offset++ | (arg4 << 12);
-    LoadBgTilemap(bgId, arg6, BG_SCREEN_SIZE, 0);
+    CpuCopy16(gMonSpritesGfxPtr->sprites[battlerPosition] + BG_SCREEN_SIZE * gBattleMonForms[battler], tilesDest, BG_SCREEN_SIZE);
+    LoadBgTiles(bgId, tilesDest, 0x1000, tilesOffset);
+    for (i = y; i < y + 8; ++i)
+        for (j = x; j < x + 8; ++j)
+            tilemapDest[i * 32 + j] = offset++ | (palno << 12);
+    LoadBgTilemap(bgId, tilemapDest, BG_SCREEN_SIZE, 0);
 }
 
 // not used
diff --git a/src/battle_main.c b/src/battle_main.c
index 08bf6e345..d7f43ce75 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -44,7 +44,7 @@
 #include "constants/songs.h"
 #include "constants/trainer_classes.h"
 
-static void sub_80111EC(struct Sprite *sprite);
+static void SpriteCB_UnusedDebugSprite(struct Sprite *sprite);
 static void HandleAction_UseMove(void);
 static void HandleAction_Switch(void);
 static void HandleAction_UseItem(void);
@@ -72,18 +72,18 @@ static void CB2_HandleStartBattle(void);
 static void TryCorrectShedinjaLanguage(struct Pokemon *mon);
 static void BattleMainCB1(void);
 static void CB2_QuitPokedudeBattle(void);
-static void sub_80111FC(struct Sprite *sprite);
-static void sub_8011B94(void);
-static void sub_8011BB0(void);
+static void SpriteCB_UnusedDebugSprite_Step(struct Sprite *sprite);
+static void CB2_EndLinkBattle(void);
+static void EndLinkBattleInSteps(void);
 static void SpriteCB_MoveWildMonToRight(struct Sprite *sprite);
 static void SpriteCB_WildMonShowHealthbox(struct Sprite *sprite);
-static void sub_8011E3C(struct Sprite *sprite);
+static void SpriteCB_Unused_8011E28_Step(struct Sprite *sprite);
 static void SpriteCB_AnimFaintOpponent(struct Sprite *sprite);
-static void sub_8012060(struct Sprite *sprite);
+static void SpriteCb_BlinkVisible(struct Sprite *sprite);
 static void oac_poke_ally_(struct Sprite *sprite);
 static void SpriteCallbackDummy3(struct Sprite *sprite);
 static void SpriteCB_BounceEffect(struct Sprite *sprite);
-static void sub_8012398(struct Sprite *sprite);
+static void SpriteCB_PlayerThrowUpdate(struct Sprite *sprite);
 static void BattleStartClearSetData(void);
 static void BattleIntroGetMonsData(void);
 static void TurnValuesCleanUp(bool8 var0);
@@ -129,10 +129,10 @@ static EWRAM_DATA u32 gUnknown_2022AE8[25] = {0};
 EWRAM_DATA u32 gBattleTypeFlags = 0;
 EWRAM_DATA u8 gBattleTerrain = 0;
 EWRAM_DATA u32 gUnknown_2022B54 = 0;
-EWRAM_DATA struct UnknownPokemonStruct4 gMultiPartnerParty[3] = {0};
-EWRAM_DATA u8 *gUnknown_2022BB8 = NULL;
-EWRAM_DATA u8 *gUnknown_2022BBC = NULL;
-EWRAM_DATA u16 *gUnknown_2022BC0 = NULL;
+EWRAM_DATA struct MultiBattlePokemonTx gMultiPartnerParty[3] = {0};
+EWRAM_DATA u8 *gBattleAnimMons_BgTilesBuffer = NULL;
+EWRAM_DATA u8 *gBattleAnimMons_BgTilemapBuffer = NULL;
+static EWRAM_DATA u16 *sUnknownDebugSpriteDataBuffer = NULL;
 EWRAM_DATA u8 gBattleBufferA[MAX_BATTLERS_COUNT][0x200] = {0};
 EWRAM_DATA u8 gBattleBufferB[MAX_BATTLERS_COUNT][0x200] = {0};
 EWRAM_DATA u8 gActiveBattler = 0;
@@ -224,14 +224,14 @@ void (*gBattlerControllerFuncs[MAX_BATTLERS_COUNT])(void);
 u8 gHealthboxSpriteIds[MAX_BATTLERS_COUNT];
 u8 gMultiUsePlayerCursor;
 u8 gNumberOfMovesToChoose;
-u8 gUnknown_3004FFC[MAX_BATTLERS_COUNT];
+u8 gBattleControllerData[MAX_BATTLERS_COUNT];
 
 static const struct ScanlineEffectParams sIntroScanlineParams16Bit =
 {
     &REG_BG3HOFS, SCANLINE_EFFECT_DMACNT_16BIT, 1
 };
 
-const struct SpriteTemplate gUnknown_824EFF0 =
+const struct SpriteTemplate gUnknownDebugSprite =
 {
     .tileTag = 0,
     .paletteTag = 0,
@@ -239,12 +239,12 @@ const struct SpriteTemplate gUnknown_824EFF0 =
     .anims = gDummySpriteAnimTable,
     .images = NULL,
     .affineAnims = gDummySpriteAffineAnimTable,
-    .callback = sub_80111EC,
+    .callback = SpriteCB_UnusedDebugSprite,
 };
 
 static const u8 sText_ShedinjaJpnName[] = _("ヌケニン"); // Nukenin
 
-const struct OamData gOamData_824F010 =
+const struct OamData gOamData_BattlerOpponent =
 {
     .y = 0,
     .affineMode = ST_OAM_AFFINE_NORMAL,
@@ -259,7 +259,7 @@ const struct OamData gOamData_824F010 =
     .affineParam = 0,
 };
 
-const struct OamData gOamData_824F018 =
+const struct OamData gOamData_BattlerPlayer =
 {
     .y = 0,
     .affineMode = ST_OAM_AFFINE_NORMAL,
@@ -282,7 +282,7 @@ static const union AnimCmd gUnknown_824F020[] =
 };
 
 // not used
-static const union AnimCmd *const gUnknown_824F028[] = 
+static const union AnimCmd *const gUnknown_824F028[] =
 {
     gUnknown_824F020,
 };
@@ -301,7 +301,7 @@ static const union AffineAnimCmd *const gUnknown_824F044[] =
     gUnknown_824F02C,
 };
 
-static const s8 gUnknown_824F048[] = { -32, -16, -16, -32, -32, 0, 0, 0 };
+static const s8 sPlayerThrowXTranslation[] = { -32, -16, -16, -32, -32, 0, 0, 0 };
 
 // format: attacking type, defending type, damage multiplier
 // the multiplier is a (decimal) fixed-point number:
@@ -705,41 +705,50 @@ static void CB2_InitBattleInternal(void)
     gBattleCommunication[MULTIUSE_STATE] = 0;
 }
 
-static void sub_800FFEC(void)
+#define BUFFER_PARTY_VS_SCREEN_STATUS(party, flags, i)              \
+    for ((i) = 0; (i) < PARTY_SIZE; (i)++)                          \
+    {                                                               \
+        u16 species = GetMonData(&(party)[(i)], MON_DATA_SPECIES2); \
+        u16 hp = GetMonData(&(party)[(i)], MON_DATA_HP);            \
+        u32 status = GetMonData(&(party)[(i)], MON_DATA_STATUS);    \
+                                                                    \
+        if (species == SPECIES_NONE)                                \
+            continue;                                               \
+                                                                    \
+        /* Is healthy mon? */                                       \
+        if (species != SPECIES_EGG && hp != 0 && status == 0)       \
+            (flags) |= 1 << (i) * 2;                                \
+                                                                    \
+        if (species == SPECIES_NONE) /* Redundant */                \
+            continue;                                               \
+                                                                    \
+        /* Is Egg or statused? */                                   \
+        if (hp != 0 && (species == SPECIES_EGG || status != 0))     \
+            (flags) |= 2 << (i) * 2;                                \
+                                                                    \
+        if (species == SPECIES_NONE) /* Redundant */                \
+            continue;                                               \
+                                                                    \
+        /* Is fainted? */                                           \
+        if (species != SPECIES_EGG && hp == 0)                      \
+            (flags) |= 3 << (i) * 2;                                \
+    }
+
+static void BufferPartyVsScreenHealth_AtStart(void)
 {
-    u16 r6 = 0;
-    u16 species = SPECIES_NONE;
-    u16 hp = 0;
-    u32 status = 0;
+    u16 flags = 0;
     s32 i;
 
-    for (i = 0; i < PARTY_SIZE; ++i)
-    {
-        species = GetMonData(&gPlayerParty[i], MON_DATA_SPECIES2);
-        hp = GetMonData(&gPlayerParty[i], MON_DATA_HP);
-        status = GetMonData(&gPlayerParty[i], MON_DATA_STATUS);
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp != 0 && status == 0)
-            r6 |= 1 << i * 2;
-        if (species == SPECIES_NONE)
-            continue;
-        if (hp != 0 && (species == SPECIES_EGG || status != 0))
-            r6 |= 2 << i * 2;
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp == 0)
-            r6 |= 3 << i * 2;
-    }
-    gBattleStruct->field_186 = r6;
-    *(&gBattleStruct->field_187) = r6 >> 8;
+    BUFFER_PARTY_VS_SCREEN_STATUS(gPlayerParty, flags, i);
+    gBattleStruct->multiBuffer.linkPartnerHeader.vsScreenHealthFlagsLo = flags;
+    *(&gBattleStruct->multiBuffer.linkPartnerHeader.vsScreenHealthFlagsHi) = flags >> 8;
 }
 
 static void SetPlayerBerryDataInBattleStruct(void)
 {
     s32 i;
     struct BattleStruct *battleStruct = gBattleStruct;
-    struct BattleEnigmaBerry *battleBerry = &battleStruct->battleEnigmaBerry;
+    struct BattleEnigmaBerry *battleBerry = &battleStruct->multiBuffer.linkPartnerHeader.battleEnigmaBerry;
 
     if (IsEnigmaBerryValid() == TRUE)
     {
@@ -859,44 +868,47 @@ static void SetAllPlayersBerryData(void)
     }
 }
 
-static void sub_8010414(u8 arg0, u8 arg1)
+static void LinkBattleComputeBattleTypeFlags(u8 numPlayers, u8 multiPlayerId)
 {
-    u8 var = 0;
+    u8 found = 0;
 
-    if (gBlockRecvBuffer[0][0] == 256)
+    // If player 1 is playing the minimum version, player 1 is master.
+    if (gBlockRecvBuffer[0][0] == 0x100)
     {
-        if (arg1 == 0)
+        if (multiPlayerId == 0)
             gBattleTypeFlags |= BATTLE_TYPE_IS_MASTER | BATTLE_TYPE_TRAINER;
         else
             gBattleTypeFlags |= BATTLE_TYPE_TRAINER;
-        ++var;
+        ++found;
     }
-    if (var == 0)
+    if (found == 0)
     {
+        // If multiple different versions are being used, player 1 is master.
         s32 i;
 
-        for (i = 0; i < arg0; ++i)
+        for (i = 0; i < numPlayers; ++i)
             if (gBlockRecvBuffer[0][0] != gBlockRecvBuffer[i][0])
                 break;
-        if (i == arg0)
+        if (i == numPlayers)
         {
-            if (arg1 == 0)
+            if (multiPlayerId == 0)
                 gBattleTypeFlags |= BATTLE_TYPE_IS_MASTER | BATTLE_TYPE_TRAINER;
             else
                 gBattleTypeFlags |= BATTLE_TYPE_TRAINER;
-            ++var;
+            ++found;
         }
-        if (var == 0)
+        if (found == 0)
         {
-            for (i = 0; i < arg0; ++i)
+            // Lowest index player with the highest game version is master.
+            for (i = 0; i < numPlayers; ++i)
             {
-                if (gBlockRecvBuffer[i][0] == 0x201)
-                    if (i != arg1 && i < arg1)
+                if (gBlockRecvBuffer[i][0] == 0x201 && i != multiPlayerId)
+                    if (i < multiPlayerId)
                         break;
-                if (gBlockRecvBuffer[i][0] > 0x201 && i != arg1)
+                if (gBlockRecvBuffer[i][0] > 0x201 && i != multiPlayerId)
                     break;
             }
-            if (i == arg0)
+            if (i == numPlayers)
                 gBattleTypeFlags |= BATTLE_TYPE_IS_MASTER | BATTLE_TYPE_TRAINER;
             else
                 gBattleTypeFlags |= BATTLE_TYPE_TRAINER;
@@ -924,7 +936,7 @@ static void CB2_HandleStartBattle(void)
             ShowBg(1);
             ShowBg(2);
             ShowBg(3);
-            sub_80357C8();
+            BattleInterfaceSetWindowPals();
             gBattleCommunication[MULTIUSE_STATE] = 1;
         }
         if (gWirelessCommType)
@@ -937,11 +949,12 @@ static void CB2_HandleStartBattle(void)
             {
                 if (IsLinkTaskFinished())
                 {
-                    *(&gBattleStruct->field_184) = 1;
-                    *(&gBattleStruct->field_185) = 2;
-                    sub_800FFEC();
+                    // 0x201
+                    *(&gBattleStruct->multiBuffer.linkPartnerHeader.versionSignatureLo) = 1;
+                    *(&gBattleStruct->multiBuffer.linkPartnerHeader.versionSignatureHi) = 2;
+                    BufferPartyVsScreenHealth_AtStart();
                     SetPlayerBerryDataInBattleStruct();
-                    SendBlock(bitmask_all_link_players_but_self(), &gBattleStruct->field_184, 32);
+                    SendBlock(bitmask_all_link_players_but_self(), &gBattleStruct->multiBuffer.linkPartnerHeader, sizeof(gBattleStruct->multiBuffer.linkPartnerHeader));
                     gBattleCommunication[MULTIUSE_STATE] = 2;
                 }
                 if (gWirelessCommType != 0)
@@ -961,13 +974,13 @@ static void CB2_HandleStartBattle(void)
             u8 taskId;
 
             ResetBlockReceivedFlags();
-            sub_8010414(2, playerMultiplayerId);
+            LinkBattleComputeBattleTypeFlags(2, playerMultiplayerId);
             SetAllPlayersBerryData();
             taskId = CreateTask(InitLinkBattleVsScreen, 0);
             gTasks[taskId].data[1] = 270;
             gTasks[taskId].data[2] = 90;
             gTasks[taskId].data[5] = 0;
-            gTasks[taskId].data[3] = gBattleStruct->field_186 | (gBattleStruct->field_187 << 8);
+            gTasks[taskId].data[3] = gBattleStruct->multiBuffer.linkPartnerHeader.vsScreenHealthFlagsLo | (gBattleStruct->multiBuffer.linkPartnerHeader.vsScreenHealthFlagsHi << 8);
             gTasks[taskId].data[4] = gBlockRecvBuffer[enemyMultiplayerId][1];
             SetDeoxysStats();
             ++gBattleCommunication[MULTIUSE_STATE];
@@ -1025,7 +1038,7 @@ static void CB2_HandleStartBattle(void)
         }
         break;
     case 15:
-        sub_800D30C();
+        InitBtlControllers();
         ++gBattleCommunication[MULTIUSE_STATE];
         gBattleCommunication[SPRITES_INIT_STATE1] = 0;
         gBattleCommunication[SPRITES_INIT_STATE2] = 0;
@@ -1056,7 +1069,7 @@ static void CB2_HandleStartBattle(void)
     }
 }
 
-static void sub_80108C4(void)
+static void PrepareOwnMultiPartnerBuffer(void)
 {
     s32 i, j;
     u8 *nick, *cur;
@@ -1083,7 +1096,7 @@ static void sub_80108C4(void)
             cur[j] = EOS;
         }
     }
-    memcpy(&gBattleStruct->field_184, gMultiPartnerParty, sizeof(gMultiPartnerParty));
+    memcpy(gBattleStruct->multiBuffer.multiBattleMons, gMultiPartnerParty, sizeof(gMultiPartnerParty));
 }
 
 static void CB2_PreInitMultiBattle(void)
@@ -1107,8 +1120,8 @@ static void CB2_PreInitMultiBattle(void)
     case 0:
         if (gReceivedRemoteLinkPlayers && IsLinkTaskFinished())
         {
-            sub_80108C4();
-            SendBlock(bitmask_all_link_players_but_self(), &gBattleStruct->field_184, sizeof(gMultiPartnerParty));
+            PrepareOwnMultiPartnerBuffer();
+            SendBlock(bitmask_all_link_players_but_self(), gBattleStruct->multiBuffer.multiBattleMons, sizeof(gBattleStruct->multiBuffer.multiBattleMons));
             ++gBattleCommunication[MULTIUSE_STATE];
         }
         break;
@@ -1136,9 +1149,9 @@ static void CB2_PreInitMultiBattle(void)
         {
             ++gBattleCommunication[MULTIUSE_STATE];
             if (gWirelessCommType)
-                PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+                SetLinkStandbyCallback();
             else
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
         }
         break;
     case 3:
@@ -1181,7 +1194,7 @@ static void CB2_HandleStartMultiBattle(void)
             ShowBg(1);
             ShowBg(2);
             ShowBg(3);
-            sub_80357C8();
+            BattleInterfaceSetWindowPals();
             gBattleCommunication[MULTIUSE_STATE] = 1;
         }
         if (gWirelessCommType)
@@ -1192,11 +1205,12 @@ static void CB2_HandleStartMultiBattle(void)
         {
             if (IsLinkTaskFinished())
             {
-                *(&gBattleStruct->field_184) = 1;
-                *(&gBattleStruct->field_185) = 2;
-                sub_800FFEC();
+                // 0x201
+                *(&gBattleStruct->multiBuffer.linkPartnerHeader.versionSignatureLo) = 1;
+                *(&gBattleStruct->multiBuffer.linkPartnerHeader.versionSignatureHi) = 2;
+                BufferPartyVsScreenHealth_AtStart();
                 SetPlayerBerryDataInBattleStruct();
-                SendBlock(bitmask_all_link_players_but_self(), &gBattleStruct->field_184, 32);
+                SendBlock(bitmask_all_link_players_but_self(), &gBattleStruct->multiBuffer.linkPartnerHeader, sizeof(gBattleStruct->multiBuffer.linkPartnerHeader));
                 ++gBattleCommunication[MULTIUSE_STATE];
             }
             if (gWirelessCommType)
@@ -1207,7 +1221,7 @@ static void CB2_HandleStartMultiBattle(void)
         if ((GetBlockReceivedStatus() & 0xF) == 0xF)
         {
             ResetBlockReceivedFlags();
-            sub_8010414(4, playerMultiplayerId);
+            LinkBattleComputeBattleTypeFlags(4, playerMultiplayerId);
             SetAllPlayersBerryData();
             SetDeoxysStats();
             memcpy(gDecompressionBuffer, gPlayerParty, sizeof(struct Pokemon) * 3);
@@ -1383,7 +1397,7 @@ static void CB2_HandleStartMultiBattle(void)
         }
         break;
     case 11:
-        sub_800D30C();
+        InitBtlControllers();
         ++gBattleCommunication[MULTIUSE_STATE];
         gBattleCommunication[SPRITES_INIT_STATE1] = 0;
         gBattleCommunication[SPRITES_INIT_STATE2] = 0;
@@ -1450,18 +1464,18 @@ static void CB2_QuitPokedudeBattle(void)
     }
 }
 
-static void sub_80111EC(struct Sprite *sprite)
+static void SpriteCB_UnusedDebugSprite(struct Sprite *sprite)
 {
     sprite->data[0] = 0;
-    sprite->callback = sub_80111FC;
+    sprite->callback = SpriteCB_UnusedDebugSprite_Step;
 }
 
-static void sub_80111FC(struct Sprite *sprite)
+static void SpriteCB_UnusedDebugSprite_Step(struct Sprite *sprite)
 {
     switch (sprite->data[0])
     {
     case 0:
-        gUnknown_2022BC0 = AllocZeroed(0x1000);
+        sUnknownDebugSpriteDataBuffer = AllocZeroed(0x1000);
         ++sprite->data[0];
         sprite->data[1] = 0;
         sprite->data[2] = 0x281;
@@ -1478,8 +1492,8 @@ static void sub_80111FC(struct Sprite *sprite)
             r0 = sprite->data[2] - sprite->data[3] * 32;
             for (i = 0; i <= 29; i += 2)
             {
-                *(&gUnknown_2022BC0[r2] + i) = 0x3D;
-                *(&gUnknown_2022BC0[r0] + i) = 0x3D;
+                *(&sUnknownDebugSpriteDataBuffer[r2] + i) = 0x3D;
+                *(&sUnknownDebugSpriteDataBuffer[r0] + i) = 0x3D;
             }
             if (++sprite->data[3] == 21)
             {
@@ -1491,10 +1505,10 @@ static void sub_80111FC(struct Sprite *sprite)
     case 2:
         if (--sprite->data[1] == 20)
         {
-            if (gUnknown_2022BC0 != NULL)
+            if (sUnknownDebugSpriteDataBuffer != NULL)
             {
-                memset(gUnknown_2022BC0, 0, 0x1000);
-                FREE_AND_SET_NULL(gUnknown_2022BC0);
+                memset(sUnknownDebugSpriteDataBuffer, 0, 0x1000);
+                FREE_AND_SET_NULL(sUnknownDebugSpriteDataBuffer);
             }
             SetMainCallback2(CB2_InitBattle);
         }
@@ -1508,7 +1522,7 @@ static u8 CreateNPCTrainerParty(struct Pokemon *party, u16 trainerNum)
     u32 personalityValue;
     u8 fixedIV;
     s32 i, j;
-    
+
     if (trainerNum == TRAINER_SECRET_BASE)
         return 0;
     if (gBattleTypeFlags & BATTLE_TYPE_TRAINER
@@ -1593,7 +1607,7 @@ static u8 CreateNPCTrainerParty(struct Pokemon *party, u16 trainerNum)
 }
 
 // not used
-static void sub_80116CC(void)
+UNUSED static void unused_80116CC(void)
 {
     if (REG_VCOUNT < 0xA0 && REG_VCOUNT >= 0x6F)
         REG_BG0CNT = BGCNT_PRIORITY(0) | BGCNT_CHARBASE(0) | BGCNT_SCREENBASE(24) | BGCNT_16COLOR | BGCNT_TXT256x512;
@@ -1601,7 +1615,7 @@ static void sub_80116CC(void)
 
 void VBlankCB_Battle(void)
 {
-    // Change gRngSeed every vblank. 
+    // Change gRngSeed every vblank.
     Random();
     SetGpuReg(REG_OFFSET_BG0HOFS, gBattle_BG0_X);
     SetGpuReg(REG_OFFSET_BG0VOFS, gBattle_BG0_Y);
@@ -1621,11 +1635,11 @@ void VBlankCB_Battle(void)
     ScanlineEffect_InitHBlankDmaTransfer();
 }
 
-void nullsub_9(struct Sprite *sprite)
+void SpriteCB_VsLetterDummy(struct Sprite *sprite)
 {
 }
 
-static void sub_80117BC(struct Sprite *sprite)
+static void SpriteCB_VsLetter(struct Sprite *sprite)
 {
     if (sprite->data[0] != 0)
         sprite->pos1.x = sprite->data[1] + ((sprite->data[2] & 0xFF00) >> 8);
@@ -1641,14 +1655,14 @@ static void sub_80117BC(struct Sprite *sprite)
     }
 }
 
-void sub_801182C(struct Sprite *sprite)
+void SpriteCB_VsLetterInit(struct Sprite *sprite)
 {
     StartSpriteAffineAnim(sprite, 1);
-    sprite->callback = sub_80117BC;
+    sprite->callback = SpriteCB_VsLetter;
     PlaySE(SE_MUGSHOT);
 }
 
-static void sub_801184C(u8 taskId)
+static void BufferPartyVsScreenHealth_AtEnd(u8 taskId)
 {
     struct Pokemon *party1 = NULL;
     struct Pokemon *party2 = NULL;
@@ -1678,52 +1692,14 @@ static void sub_801184C(u8 taskId)
         party2 = gEnemyParty;
     }
     r7 = 0;
-    for (i = 0; i < PARTY_SIZE; ++i)
-    {
-        u16 species = GetMonData(&party1[i], MON_DATA_SPECIES2);
-        u16 hp = GetMonData(&party1[i], MON_DATA_HP);
-        u32 status = GetMonData(&party1[i], MON_DATA_STATUS);
-
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp != 0 && status == 0)
-            r7 |= 1 << i * 2;
-
-        if (species == SPECIES_NONE)
-            continue;
-        if (hp != 0 && (species == SPECIES_EGG || status != 0))
-            r7 |= 2 << i * 2;
-
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp == 0)
-            r7 |= 3 << i * 2;
-    }
+    BUFFER_PARTY_VS_SCREEN_STATUS(party1, r7, i);
     gTasks[taskId].data[3] = r7;
     r7 = 0;
-    for (i = 0; i < PARTY_SIZE; ++i)
-    {
-        u16 species = GetMonData(&party2[i], MON_DATA_SPECIES2);
-        u16 hp = GetMonData(&party2[i], MON_DATA_HP);
-        u32 status = GetMonData(&party2[i], MON_DATA_STATUS);
-
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp != 0 && status == 0)
-            r7 |= 1 << i * 2;
-        if (species == SPECIES_NONE)
-            continue;
-        if (hp != 0 && (species == SPECIES_EGG || status != 0))
-            r7 |= 2 << i * 2;
-        if (species == SPECIES_NONE)
-            continue;
-        if (species != SPECIES_EGG && hp == 0)
-            r7 |= 3 << i * 2;
-    }
+    BUFFER_PARTY_VS_SCREEN_STATUS(party2, r7, i);
     gTasks[taskId].data[4] = r7;
 }
 
-void sub_8011A1C(void)
+void CB2_InitEndLinkBattle(void)
 {
     s32 i;
     u8 taskId;
@@ -1773,21 +1749,21 @@ void sub_8011A1C(void)
     gTasks[taskId].data[1] = 270;
     gTasks[taskId].data[2] = 90;
     gTasks[taskId].data[5] = 1;
-    sub_801184C(taskId);
-    SetMainCallback2(sub_8011B94);
+    BufferPartyVsScreenHealth_AtEnd(taskId);
+    SetMainCallback2(CB2_EndLinkBattle);
     gBattleCommunication[MULTIUSE_STATE] = 0;
 }
 
-static void sub_8011B94(void)
+static void CB2_EndLinkBattle(void)
 {
-    sub_8011BB0();
+    EndLinkBattleInSteps();
     AnimateSprites();
     BuildOamBuffer();
     UpdatePaletteFade();
     RunTasks();
 }
 
-static void sub_8011BB0(void)
+static void EndLinkBattleInSteps(void)
 {
     s32 i;
 
@@ -1868,7 +1844,7 @@ static void TryCorrectShedinjaLanguage(struct Pokemon *mon)
 #define sBattler            data[0]
 #define sSpeciesId          data[2]
 
-void SpriteCB_WildMon(struct Sprite *sprite)
+void SpriteCB_EnemyMon(struct Sprite *sprite)
 {
     sprite->callback = SpriteCB_MoveWildMonToRight;
     StartSpriteAnimIfDifferent(sprite, 0);
@@ -1892,7 +1868,7 @@ static void SpriteCB_WildMonShowHealthbox(struct Sprite *sprite)
 {
     if (sprite->animEnded)
     {
-        sub_804BD94(sprite->sBattler);
+        StartHealthboxSlideIn(sprite->sBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[sprite->sBattler]);
         sprite->callback = SpriteCallbackDummy2;
         StartSpriteAnimIfDifferent(sprite, 0);
@@ -1905,15 +1881,15 @@ void SpriteCallbackDummy2(struct Sprite *sprite)
 }
 
 // not used
-static void sub_8011E28(struct Sprite *sprite)
+UNUSED static void SpriteCB_Unused_8011E28(struct Sprite *sprite)
 {
     sprite->data[3] = 6;
     sprite->data[4] = 1;
-    sprite->callback = sub_8011E3C;
+    sprite->callback = SpriteCB_Unused_8011E28_Step;
 }
 
 // not used
-static void sub_8011E3C(struct Sprite *sprite)
+static void SpriteCB_Unused_8011E28_Step(struct Sprite *sprite)
 {
     --sprite->data[4];
     if (sprite->data[4] == 0)
@@ -1994,14 +1970,14 @@ static void SpriteCB_AnimFaintOpponent(struct Sprite *sprite)
     }
 }
 
-void sub_8012044(struct Sprite *sprite)
+void SpriteCb_ShowAsMoveTarget(struct Sprite *sprite)
 {
     sprite->data[3] = 8;
     sprite->data[4] = sprite->invisible;
-    sprite->callback = sub_8012060;
+    sprite->callback = SpriteCb_BlinkVisible;
 }
 
-static void sub_8012060(struct Sprite *sprite)
+static void SpriteCb_BlinkVisible(struct Sprite *sprite)
 {
     --sprite->data[3];
     if (sprite->data[3] == 0)
@@ -2011,14 +1987,14 @@ static void sub_8012060(struct Sprite *sprite)
     }
 }
 
-void sub_8012098(struct Sprite *sprite)
+void SpriteCb_HideAsMoveTarget(struct Sprite *sprite)
 {
     sprite->invisible = sprite->data[4];
     sprite->data[4] = FALSE;
     sprite->callback = SpriteCallbackDummy2;
 }
 
-void sub_80120C4(struct Sprite *sprite)
+void SpriteCB_AllyMon(struct Sprite *sprite)
 {
     sprite->callback = oac_poke_ally_;
 }
@@ -2036,7 +2012,7 @@ static void oac_poke_ally_(struct Sprite *sprite)
     }
 }
 
-void sub_8012100(struct Sprite *sprite)
+void SpriteCB_SetToDummy3(struct Sprite *sprite)
 {
     sprite->callback = SpriteCallbackDummy3;
 }
@@ -2045,7 +2021,7 @@ static void SpriteCallbackDummy3(struct Sprite *sprite)
 {
 }
 
-void sub_8012110(struct Sprite *sprite)
+void SpriteCB_FaintSlideAnim(struct Sprite *sprite)
 {
     if (!(gIntroSlideFlags & 1))
     {
@@ -2139,26 +2115,26 @@ static void SpriteCB_BounceEffect(struct Sprite *sprite)
     sprite->sSinIndex = (sprite->sSinIndex + sprite->sDelta) & 0xFF;
 }
 
-void sub_8012354(struct Sprite *sprite)
+void SpriteCB_PlayerThrowInit(struct Sprite *sprite)
 {
     StartSpriteAnim(sprite, 1);
-    sprite->callback = sub_8012398;
+    sprite->callback = SpriteCB_PlayerThrowUpdate;
 }
 
-void sub_801236C(struct Sprite *sprite)
+void UpdatePlayerPosInThrowAnim(struct Sprite *sprite)
 {
     if (sprite->animDelayCounter == 0)
-        sprite->centerToCornerVecX = gUnknown_824F048[sprite->animCmdIndex];
+        sprite->centerToCornerVecX = sPlayerThrowXTranslation[sprite->animCmdIndex];
 }
 
-static void sub_8012398(struct Sprite *sprite)
+static void SpriteCB_PlayerThrowUpdate(struct Sprite *sprite)
 {
-    sub_801236C(sprite);
+    UpdatePlayerPosInThrowAnim(sprite);
     if (sprite->animEnded)
         sprite->callback = SpriteCallbackDummy3;
 }
 
-void nullsub_12(void)
+void BattleDummy(void)
 {
 }
 
@@ -2622,8 +2598,8 @@ static void BattleIntroDrawPartySummaryScreens(void)
         else
         {
             // The struct gets set here, but nothing is ever done with it since
-            // wild battles don't show the party summary. 
-            // Still, there's no point in having dead code. 
+            // wild battles don't show the party summary.
+            // Still, there's no point in having dead code.
             for (i = 0; i < PARTY_SIZE; ++i)
             {
                 if (GetMonData(&gPlayerParty[i], MON_DATA_SPECIES2) == SPECIES_NONE
@@ -2715,7 +2691,7 @@ static void BattleIntroRecordMonsToDex(void)
 }
 
 // not used
-static void sub_80136C4(void)
+static void Unused_AutoProgressToIntro(void)
 {
     if (!gBattleControllerExecFlags)
         gBattleMainFunc = BattleIntroPrintPlayerSendsOut;
@@ -2758,7 +2734,7 @@ static void BattleIntroPlayerSendsOutMonAnimation(void)
 }
 
 // not used
-static void sub_80137D0(void)
+static void Unused_AutoProgressToSwitchInAnims(void)
 {
     if (!gBattleControllerExecFlags)
     {
@@ -2832,7 +2808,7 @@ static void TryDoEventsBeforeFirstTurn(void)
         }
         TurnValuesCleanUp(FALSE);
         SpecialStatusesClear();
-        *(&gBattleStruct->field_91) = gAbsentBattlerFlags;
+        *(&gBattleStruct->absentBattlerFlags) = gAbsentBattlerFlags;
         gBattleMainFunc = HandleTurnActionSelectionState;
         ResetSentPokesToOpponentValue();
         for (i = 0; i < BATTLE_COMMUNICATION_ENTRIES_COUNT; ++i)
@@ -2919,7 +2895,7 @@ void BattleTurnPassed(void)
     }
     for (i = 0; i < MAX_BATTLERS_COUNT; ++i)
         *(gBattleStruct->monToSwitchIntoId + i) = PARTY_SIZE;
-    *(&gBattleStruct->field_91) = gAbsentBattlerFlags;
+    *(&gBattleStruct->absentBattlerFlags) = gAbsentBattlerFlags;
     gBattleMainFunc = HandleTurnActionSelectionState;
     gRandomTurnNumber = Random();
 }
@@ -2983,13 +2959,13 @@ u8 IsRunningFromBattleImpossible(void)
     return BATTLE_RUN_SUCCESS;
 }
 
-void sub_8013F6C(u8 battler)
+void UpdatePartyOwnerOnSwitch_NonMulti(u8 battler)
 {
     s32 i;
     u8 r4, r1;
 
     for (i = 0; i < 3; ++i)
-        gBattlePartyCurrentOrder[i] = *(battler * 3 + i + (u8 *)(gBattleStruct->field_60));
+        gBattlePartyCurrentOrder[i] = *(battler * 3 + i + (u8 *)(gBattleStruct->battlerPartyOrders));
     r4 = GetPartyIdFromBattlePartyId(gBattlerPartyIndexes[battler]);
     r1 = GetPartyIdFromBattlePartyId(*(gBattleStruct->monToSwitchIntoId + battler));
     SwitchPartyMonSlots(r4, r1);
@@ -2997,14 +2973,14 @@ void sub_8013F6C(u8 battler)
     {
         for (i = 0; i < 3; ++i)
         {
-            *(battler * 3 + i + (u8 *)(gBattleStruct->field_60)) = gBattlePartyCurrentOrder[i];
-            *(BATTLE_PARTNER(battler) * 3 + i + (u8 *)(gBattleStruct->field_60)) = gBattlePartyCurrentOrder[i];
+            *(battler * 3 + i + (u8 *)(gBattleStruct->battlerPartyOrders)) = gBattlePartyCurrentOrder[i];
+            *(BATTLE_PARTNER(battler) * 3 + i + (u8 *)(gBattleStruct->battlerPartyOrders)) = gBattlePartyCurrentOrder[i];
         }
     }
     else
     {
         for (i = 0; i < 3; ++i)
-            *(battler * 3 + i + (u8 *)(gBattleStruct->field_60)) = gBattlePartyCurrentOrder[i];
+            *(battler * 3 + i + (u8 *)(gBattleStruct->battlerPartyOrders)) = gBattlePartyCurrentOrder[i];
     }
 }
 
@@ -3034,10 +3010,10 @@ static void HandleTurnActionSelectionState(void)
             *(gBattleStruct->monToSwitchIntoId + gActiveBattler) = PARTY_SIZE;
             if (gBattleTypeFlags & BATTLE_TYPE_MULTI
              || (position & BIT_FLANK) == B_FLANK_LEFT
-             || gBattleStruct->field_91 & gBitTable[GetBattlerAtPosition(BATTLE_PARTNER(position))]
+             || gBattleStruct->absentBattlerFlags & gBitTable[GetBattlerAtPosition(BATTLE_PARTNER(position))]
              || gBattleCommunication[GetBattlerAtPosition(BATTLE_PARTNER(position))] == STATE_WAIT_ACTION_CONFIRMED)
             {
-                if (gBattleStruct->field_91 & gBitTable[gActiveBattler])
+                if (gBattleStruct->absentBattlerFlags & gBitTable[gActiveBattler])
                 {
                     gChosenActionByBattler[gActiveBattler] = B_ACTION_NOTHING_FAINTED;
                     if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
@@ -3114,15 +3090,15 @@ static void HandleTurnActionSelectionState(void)
                     }
                     else
                     {
-                        BtlController_EmitChooseItem(0, gBattleStruct->field_60[gActiveBattler]);
+                        BtlController_EmitChooseItem(0, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                         MarkBattlerForControllerExec(gActiveBattler);
                     }
                     break;
                 case B_ACTION_SWITCH:
-                    *(gBattleStruct->field_58 + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
+                    *(gBattleStruct->battlerPartyIndexes + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
                     if (gBattleMons[gActiveBattler].status2 & (STATUS2_WRAPPED | STATUS2_ESCAPE_PREVENTION) || gStatuses3[gActiveBattler] & STATUS3_ROOTED)
                     {
-                        BtlController_EmitChoosePokemon(0, PARTY_ACTION_CANT_SWITCH, 6, ABILITY_NONE, gBattleStruct->field_60[gActiveBattler]);
+                        BtlController_EmitChoosePokemon(0, PARTY_ACTION_CANT_SWITCH, 6, ABILITY_NONE, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                     }
                     else if ((i = ABILITY_ON_OPPOSING_FIELD(gActiveBattler, ABILITY_SHADOW_TAG))
                           || ((i = ABILITY_ON_OPPOSING_FIELD(gActiveBattler, ABILITY_ARENA_TRAP))
@@ -3131,16 +3107,16 @@ static void HandleTurnActionSelectionState(void)
                           || ((i = AbilityBattleEffects(ABILITYEFFECT_CHECK_FIELD_EXCEPT_BATTLER, gActiveBattler, ABILITY_MAGNET_PULL, 0, 0))
                               && IS_BATTLER_OF_TYPE(gActiveBattler, TYPE_STEEL)))
                     {
-                        BtlController_EmitChoosePokemon(0, ((i - 1) << 4) | PARTY_ACTION_ABILITY_PREVENTS, 6, gLastUsedAbility, gBattleStruct->field_60[gActiveBattler]);
+                        BtlController_EmitChoosePokemon(0, ((i - 1) << 4) | PARTY_ACTION_ABILITY_PREVENTS, 6, gLastUsedAbility, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                     }
                     else
                     {
                         if (gActiveBattler == 2 && gChosenActionByBattler[0] == B_ACTION_SWITCH)
-                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, *(gBattleStruct->monToSwitchIntoId + 0), ABILITY_NONE, gBattleStruct->field_60[gActiveBattler]);
+                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, *(gBattleStruct->monToSwitchIntoId + 0), ABILITY_NONE, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                         else if (gActiveBattler == 3 && gChosenActionByBattler[1] == B_ACTION_SWITCH)
-                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, *(gBattleStruct->monToSwitchIntoId + 1), ABILITY_NONE, gBattleStruct->field_60[gActiveBattler]);
+                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, *(gBattleStruct->monToSwitchIntoId + 1), ABILITY_NONE, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                         else
-                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, 6, ABILITY_NONE, gBattleStruct->field_60[gActiveBattler]);
+                            BtlController_EmitChoosePokemon(0, PARTY_ACTION_CHOOSE_MON, 6, ABILITY_NONE, gBattleStruct->battlerPartyOrders[gActiveBattler]);
                     }
                     MarkBattlerForControllerExec(gActiveBattler);
                     break;
@@ -3238,12 +3214,12 @@ static void HandleTurnActionSelectionState(void)
                         *(gBattleStruct->monToSwitchIntoId + gActiveBattler) = gBattleBufferB[gActiveBattler][1];
                         if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
                         {
-                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 0) &= 0xF;
-                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0);
-                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 1) = gBattleBufferB[gActiveBattler][3];
-                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 0) &= (0xF0);
-                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0) >> 4;
-                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 2) = gBattleBufferB[gActiveBattler][3];
+                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) &= 0xF;
+                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0);
+                            *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 1) = gBattleBufferB[gActiveBattler][3];
+                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) &= (0xF0);
+                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0) >> 4;
+                            *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 2) = gBattleBufferB[gActiveBattler][3];
                         }
                         ++gBattleCommunication[gActiveBattler];
                     }
@@ -3277,7 +3253,7 @@ static void HandleTurnActionSelectionState(void)
             {
                 if (((gBattleTypeFlags & (BATTLE_TYPE_MULTI | BATTLE_TYPE_DOUBLE)) != BATTLE_TYPE_DOUBLE)
                  || (position & BIT_FLANK) != B_FLANK_LEFT
-                 || (*(&gBattleStruct->field_91) & gBitTable[GetBattlerAtPosition(position ^ BIT_FLANK)]))
+                 || (*(&gBattleStruct->absentBattlerFlags) & gBitTable[GetBattlerAtPosition(position ^ BIT_FLANK)]))
                     BtlController_EmitLinkStandbyMsg(0, 0);
                 else
                     BtlController_EmitLinkStandbyMsg(0, 1);
@@ -3815,7 +3791,7 @@ static void TryEvolvePokemon(void)
 
                 levelUpBits &= ~(gBitTable[i]);
                 gLeveledUpInBattle = levelUpBits;
-                species = GetEvolutionTargetSpecies(&gPlayerParty[i], 0, levelUpBits);
+                species = GetEvolutionTargetSpecies(&gPlayerParty[i], EVO_MODE_NORMAL, levelUpBits);
                 if (species != SPECIES_NONE)
                 {
                     gBattleMainFunc = WaitForEvoSceneToFinish;
@@ -3888,7 +3864,7 @@ static void HandleAction_UseMove(void)
     u8 var = 4;
 
     gBattlerAttacker = gBattlerByTurnOrder[gCurrentTurnActionNumber];
-    if (*(&gBattleStruct->field_91) & gBitTable[gBattlerAttacker])
+    if (*(&gBattleStruct->absentBattlerFlags) & gBitTable[gBattlerAttacker])
     {
         gCurrentActionFuncId = B_ACTION_FINISHED;
         return;
@@ -4061,7 +4037,7 @@ static void HandleAction_Switch(void)
     gBattle_BG0_Y = 0;
     gActionSelectionCursor[gBattlerAttacker] = 0;
     gMoveSelectionCursor[gBattlerAttacker] = 0;
-    PREPARE_MON_NICK_BUFFER(gBattleTextBuff1, gBattlerAttacker, *(gBattleStruct->field_58 + gBattlerAttacker));
+    PREPARE_MON_NICK_BUFFER(gBattleTextBuff1, gBattlerAttacker, *(gBattleStruct->battlerPartyIndexes + gBattlerAttacker));
     gBattleScripting.battler = gBattlerAttacker;
     gBattlescriptCurrInstr = BattleScript_ActionSwitch;
     gCurrentActionFuncId = B_ACTION_EXEC_SCRIPT;
diff --git a/src/battle_message.c b/src/battle_message.c
index 68f75ffa1..20b7f9c75 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -1469,7 +1469,7 @@ void BufferStringBattle(u16 stringId)
     gLastUsedItem = sBattleMsgDataPtr->lastItem;
     gLastUsedAbility = sBattleMsgDataPtr->lastAbility;
     gBattleScripting.battler = sBattleMsgDataPtr->scrActive;
-    *(&gBattleStruct->field_52) = sBattleMsgDataPtr->unk1605E;
+    *(&gBattleStruct->scriptPartyIdx) = sBattleMsgDataPtr->bakScriptPartyIdx;
     *(&gBattleStruct->hpScale) = sBattleMsgDataPtr->hpScale;
     gPotentialItemEffectBattler = sBattleMsgDataPtr->itemEffectBattler;
     *(&gBattleStruct->stringMoveType) = sBattleMsgDataPtr->moveType;
@@ -1983,7 +1983,7 @@ u32 BattleStringExpandPlaceholders(const u8 *src, u8 *dst)
                 if (gTrainerBattleOpponent_A == SECRET_BASE_OPPONENT)
                     toCpy = gTrainerClassNames[GetSecretBaseTrainerNameIndex()];
                 else if (gTrainerBattleOpponent_A == TRAINER_OPPONENT_C00)
-                    toCpy = gTrainerClassNames[sub_80447F0()];
+                    toCpy = gTrainerClassNames[GetUnionRoomTrainerClass()];
                 else if (gBattleTypeFlags & BATTLE_TYPE_BATTLE_TOWER)
                     toCpy = gTrainerClassNames[GetBattleTowerTrainerClassNameId()];
                 else if (gBattleTypeFlags & BATTLE_TYPE_TRAINER_TOWER)
@@ -2079,7 +2079,7 @@ u32 BattleStringExpandPlaceholders(const u8 *src, u8 *dst)
                 toCpy = gStringVar4;
                 break;
             case B_TXT_26: // ?
-                HANDLE_NICKNAME_STRING_CASE(gBattleScripting.battler, *(&gBattleStruct->field_52))
+                HANDLE_NICKNAME_STRING_CASE(gBattleScripting.battler, *(&gBattleStruct->scriptPartyIdx))
                 break;
             case B_TXT_PC_CREATOR_NAME: // lanette pc
                 if (FlagGet(FLAG_SYS_NOT_SOMEONES_PC))
@@ -2379,6 +2379,9 @@ static const struct BattleWindowText sTextOnWindowsInfo_Normal[] = {
 
 const u8 gUnknown_83FEC90[] = {0x04, 0x05, 0x02, 0x02};
 
+// windowId: Upper 2 bits are text flags
+//   x40: Use NPC context-defined font
+//   x80: Inhibit window clear
 void BattlePutTextOnWindow(const u8 *text, u8 windowId) {
     bool32 copyToVram;
     struct TextPrinterTemplate printerTemplate;
@@ -2457,7 +2460,7 @@ void BattlePutTextOnWindow(const u8 *text, u8 windowId) {
     }
 }
 
-bool8 sub_80D89B0(u16 stringId)
+bool8 BattleStringShouldBeColored(u16 stringId)
 {
     if (stringId == STRINGID_TRAINER1LOSETEXT || stringId == STRINGID_TRAINER2CLASS || stringId == STRINGID_TRAINER1WINTEXT || stringId == STRINGID_TRAINER2NAME)
         return TRUE;
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 90ee8e561..35328d6c1 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -1040,11 +1040,11 @@ static void atk01_accuracycheck(void)
     u16 move = T2_READ_16(gBattlescriptCurrInstr + 5);
 
     if ((gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE
-        && !sub_80EB2E0(1)
+        && !BtlCtrl_OakOldMan_TestState2Flag(1)
         && gBattleMoves[move].power != 0
         && GetBattlerSide(gBattlerAttacker) == B_SIDE_PLAYER)
      || (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE
-        && !sub_80EB2E0(2)
+        && !BtlCtrl_OakOldMan_TestState2Flag(2)
         && gBattleMoves[move].power == 0
         && GetBattlerSide(gBattlerAttacker) == B_SIDE_PLAYER)
      || (gBattleTypeFlags & BATTLE_TYPE_POKEDUDE))
@@ -1213,7 +1213,7 @@ static void atk04_critcalc(void)
      && !(gStatuses3[gBattlerAttacker] & STATUS3_CANT_SCORE_A_CRIT)
      && !(gBattleTypeFlags & BATTLE_TYPE_OLD_MAN_TUTORIAL)
      && !(Random() % sCriticalHitChance[critChance])
-     && (!(gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE) || sub_80EB2E0(1))
+     && (!(gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE) || BtlCtrl_OakOldMan_TestState2Flag(1))
      && !(gBattleTypeFlags & BATTLE_TYPE_POKEDUDE))
         gCritMultiplier = 2;
     else
@@ -4146,7 +4146,7 @@ static void atk49_moveend(void)
                 gLastPrintedMoves[gBattlerAttacker] = gChosenMove;
             }
             if (!(gAbsentBattlerFlags & gBitTable[gBattlerAttacker])
-             && !(gBattleStruct->field_91 & gBitTable[gBattlerAttacker])
+             && !(gBattleStruct->absentBattlerFlags & gBitTable[gBattlerAttacker])
              && gBattleMoves[originallyUsedMove].effect != EFFECT_BATON_PASS)
             {
                 if (gHitMarker & HITMARKER_OBEYS)
@@ -4184,7 +4184,7 @@ static void atk49_moveend(void)
             break;
         case ATK49_MIRROR_MOVE: // mirror move
             if (!(gAbsentBattlerFlags & gBitTable[gBattlerAttacker])
-             && !(gBattleStruct->field_91 & gBitTable[gBattlerAttacker])
+             && !(gBattleStruct->absentBattlerFlags & gBitTable[gBattlerAttacker])
              && gBattleMoves[originallyUsedMove].flags & FLAG_MIRROR_MOVE_AFFECTED
              && gHitMarker & HITMARKER_OBEYS
              && gBattlerAttacker != gBattlerTarget
@@ -4491,8 +4491,8 @@ static void atk4F_jumpifcantswitch(void)
 
 static void sub_8024398(u8 arg0)
 {
-    *(gBattleStruct->field_58 + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
-    BtlController_EmitChoosePokemon(0, PARTY_ACTION_SEND_OUT, arg0, 0, gBattleStruct->field_60[gActiveBattler]);
+    *(gBattleStruct->battlerPartyIndexes + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
+    BtlController_EmitChoosePokemon(0, PARTY_ACTION_SEND_OUT, arg0, 0, gBattleStruct->battlerPartyOrders[gActiveBattler]);
     MarkBattlerForControllerExec(gActiveBattler);
 }
 
@@ -4745,8 +4745,8 @@ static void atk50_openpartyscreen(void)
         else
         {
             gActiveBattler = battlerId;
-            *(gBattleStruct->field_58 + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
-            BtlController_EmitChoosePokemon(0, hitmarkerFaintBits, *(gBattleStruct->monToSwitchIntoId + (gActiveBattler ^ 2)), 0, gBattleStruct->field_60[gActiveBattler]);
+            *(gBattleStruct->battlerPartyIndexes + gActiveBattler) = gBattlerPartyIndexes[gActiveBattler];
+            BtlController_EmitChoosePokemon(0, hitmarkerFaintBits, *(gBattleStruct->monToSwitchIntoId + (gActiveBattler ^ 2)), 0, gBattleStruct->battlerPartyOrders[gActiveBattler]);
             MarkBattlerForControllerExec(gActiveBattler);
             gBattlescriptCurrInstr += 6;
             if (GetBattlerPosition(gActiveBattler) == B_POSITION_PLAYER_LEFT && gBattleResults.playerSwitchesCounter < 0xFF)
@@ -4791,7 +4791,7 @@ static void atk51_switchhandleorder(void)
             break;
         case 1:
             if (!(gBattleTypeFlags & BATTLE_TYPE_MULTI))
-                sub_8013F6C(gActiveBattler);
+                UpdatePartyOwnerOnSwitch_NonMulti(gActiveBattler);
             break;
         case 2:
             gBattleCommunication[0] = gBattleBufferB[gActiveBattler][1];
@@ -4799,16 +4799,16 @@ static void atk51_switchhandleorder(void)
 
             if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
             {
-                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 0) &= 0xF;
-                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0);
-                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->field_60) + 1) = gBattleBufferB[gActiveBattler][3];
-                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 0) &= (0xF0);
-                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0) >> 4;
-                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->field_60) + 2) = gBattleBufferB[gActiveBattler][3];
+                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) &= 0xF;
+                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0);
+                *(gActiveBattler * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 1) = gBattleBufferB[gActiveBattler][3];
+                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) &= (0xF0);
+                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 0) |= (gBattleBufferB[gActiveBattler][2] & 0xF0) >> 4;
+                *((gActiveBattler ^ BIT_FLANK) * 3 + (u8 *)(gBattleStruct->battlerPartyOrders) + 2) = gBattleBufferB[gActiveBattler][3];
             }
             else
             {
-                sub_8013F6C(gActiveBattler);
+                UpdatePartyOwnerOnSwitch_NonMulti(gActiveBattler);
             }
             PREPARE_SPECIES_BUFFER(gBattleTextBuff1, gBattleMons[gBattlerAttacker].species)
             PREPARE_MON_NICK_BUFFER(gBattleTextBuff2, gActiveBattler, gBattleBufferB[gActiveBattler][1])
@@ -4823,7 +4823,7 @@ static void atk52_switchineffects(void)
     s32 i;
 
     gActiveBattler = GetBattlerForBattleScript(gBattlescriptCurrInstr[1]);
-    sub_80174B8(gActiveBattler);
+    UpdateSentPokesToOpponentValue(gActiveBattler);
     gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
     gSpecialStatuses[gActiveBattler].flag40 = 0;
     if (!(gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_SPIKES_DAMAGED)
@@ -6601,7 +6601,7 @@ static bool8 TryDoForceSwitchOut(void)
 {
     if (gBattleMons[gBattlerAttacker].level >= gBattleMons[gBattlerTarget].level)
     {
-        *(gBattleStruct->field_58 + gBattlerTarget) = gBattlerPartyIndexes[gBattlerTarget];
+        *(gBattleStruct->battlerPartyIndexes + gBattlerTarget) = gBattlerPartyIndexes[gBattlerTarget];
     }
     else
     {
@@ -6612,7 +6612,7 @@ static bool8 TryDoForceSwitchOut(void)
             gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 1);
             return FALSE;
         }
-        *(gBattleStruct->field_58 + gBattlerTarget) = gBattlerPartyIndexes[gBattlerTarget];
+        *(gBattleStruct->battlerPartyIndexes + gBattlerTarget) = gBattlerPartyIndexes[gBattlerTarget];
     }
     gBattlescriptCurrInstr = BattleScript_SuccessForceOut;
     return TRUE;
@@ -6704,7 +6704,7 @@ static void atk8F_forcerandomswitch(void)
             }
             *(gBattleStruct->monToSwitchIntoId + gBattlerTarget) = i;
             if (!IsMultiBattle())
-                sub_8013F6C(gBattlerTarget);
+                UpdatePartyOwnerOnSwitch_NonMulti(gBattlerTarget);
             SwitchPartyOrderLinkMulti(gBattlerTarget, i, 0);
             SwitchPartyOrderLinkMulti(gBattlerTarget ^ 2, i, 1);
         }
@@ -8742,7 +8742,7 @@ static void atkE2_switchoutabilities(void)
     {
     case ABILITY_NATURAL_CURE:
         gBattleMons[gActiveBattler].status1 = 0;
-        BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, gBitTable[*(gBattleStruct->field_58 + gActiveBattler)], 4, &gBattleMons[gActiveBattler].status1);
+        BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, gBitTable[*(gBattleStruct->battlerPartyIndexes + gActiveBattler)], 4, &gBattleMons[gActiveBattler].status1);
         MarkBattlerForControllerExec(gActiveBattler);
         break;
     }
diff --git a/src/battle_setup.c b/src/battle_setup.c
index 058573aaf..62df9965d 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -76,18 +76,18 @@ static EWRAM_DATA u16 sRivalBattleFlags = 0;
 
 static const u8 sBattleTransitionTable_Wild[][2] =
 {
-    B_TRANSITION_SLICED_SCREEN, B_TRANSITION_WHITEFADE_IN_STRIPES,
-    B_TRANSITION_CLOCKWISE_BLACKFADE, B_TRANSITION_GRID_SQUARES,
-    B_TRANSITION_BLUR, B_TRANSITION_GRID_SQUARES,
-    B_TRANSITION_BLACK_WAVE_TO_RIGHT, B_TRANSITION_FULLSCREEN_WAVE,
+    { B_TRANSITION_SLICED_SCREEN,        B_TRANSITION_WHITEFADE_IN_STRIPES },
+    { B_TRANSITION_CLOCKWISE_BLACKFADE,  B_TRANSITION_GRID_SQUARES         },
+    { B_TRANSITION_BLUR,                 B_TRANSITION_GRID_SQUARES         },
+    { B_TRANSITION_BLACK_WAVE_TO_RIGHT,  B_TRANSITION_FULLSCREEN_WAVE      },
 };
 
 static const u8 sBattleTransitionTable_Trainer[][2] =
 {
-    B_TRANSITION_SLIDING_POKEBALLS, B_TRANSITION_BLACK_DOODLES,
-    B_TRANSITION_HORIZONTAL_CORRUGATE, B_TRANSITION_BIG_POKEBALL,
-    B_TRANSITION_BLUR, B_TRANSITION_GRID_SQUARES,
-    B_TRANSITION_DISTORTED_WAVE, B_TRANSITION_FULLSCREEN_WAVE,
+    { B_TRANSITION_SLIDING_POKEBALLS,    B_TRANSITION_BLACK_DOODLES        },
+    { B_TRANSITION_HORIZONTAL_CORRUGATE, B_TRANSITION_BIG_POKEBALL         },
+    { B_TRANSITION_BLUR,                 B_TRANSITION_GRID_SQUARES         },
+    { B_TRANSITION_DISTORTED_WAVE,       B_TRANSITION_FULLSCREEN_WAVE      },
 };
 
 static const struct TrainerBattleParameter sOrdinaryBattleParams[] =
@@ -646,9 +646,9 @@ u8 BattleSetup_GetBattleTowerBattleTransition(void)
     u8 playerLevel = GetSumOfPlayerPartyLevel(1);
 
     if (enemyLevel < playerLevel)
-        return 4;
+        return B_TRANSITION_SLIDING_POKEBALLS;
     else
-        return 3;
+        return B_TRANSITION_BIG_POKEBALL;
 }
 
 static u32 TrainerBattleLoadArg32(const u8 *ptr)
@@ -904,14 +904,14 @@ static void CB2_EndTrainerBattle(void)
             }
             SetMainCallback2(CB2_ReturnToFieldContinueScriptPlayMapMusic);
             SetBattledTrainerFlag();
-            sub_81139BC();
+            QuestLogEvents_HandleEndTrainerBattle();
         }
         else
         {
             gSpecialVar_Result = FALSE;
             SetMainCallback2(CB2_ReturnToFieldContinueScriptPlayMapMusic);
             SetBattledTrainerFlag();
-            sub_81139BC();
+            QuestLogEvents_HandleEndTrainerBattle();
         }
 
     }
@@ -929,7 +929,7 @@ static void CB2_EndTrainerBattle(void)
         {
             SetMainCallback2(CB2_ReturnToFieldContinueScriptPlayMapMusic);
             SetBattledTrainerFlag();
-            sub_81139BC();
+            QuestLogEvents_HandleEndTrainerBattle();
         }
     }
 }
diff --git a/src/battle_tower.c b/src/battle_tower.c
index 04f3019b1..4c6934781 100644
--- a/src/battle_tower.c
+++ b/src/battle_tower.c
@@ -1124,7 +1124,8 @@ static void SetPlayerBattleTowerRecord(void)
         playerRecord->greeting[i] = gSaveBlock1Ptr->easyChatBattleStart[i];
 
     for (i = 0; i < 3; i++)
-        sub_803E23C(&gPlayerParty[gSaveBlock2Ptr->battleTower.selectedPartyMons[i] - 1], &playerRecord->party[i]);
+        ConvertPokemonToBattleTowerPokemon(&gPlayerParty[gSaveBlock2Ptr->battleTower.selectedPartyMons[i] - 1],
+                                           &playerRecord->party[i]);
 
     SetBattleTowerRecordChecksum(&gSaveBlock2Ptr->battleTower.playerRecord);
     SaveCurrentWinStreak();
@@ -1320,7 +1321,7 @@ static void Debug_FillEReaderTrainerWithPlayerData(void)
     }
 
     for (i = 0; i < 3; i++)
-        sub_803E23C(&gPlayerParty[i], &ereaderTrainer->party[i]);
+        ConvertPokemonToBattleTowerPokemon(&gPlayerParty[i], &ereaderTrainer->party[i]);
 
     SetEReaderTrainerChecksum(ereaderTrainer);
 }
diff --git a/src/battle_transition.c b/src/battle_transition.c
index 7fc2d4255..7d117f50f 100644
--- a/src/battle_transition.c
+++ b/src/battle_transition.c
@@ -213,24 +213,24 @@ static const TaskFunc sBT_Phase1Tasks[] =
 
 static const TaskFunc sBT_Phase2Tasks[] =
 {
-    BT_Phase2Blur,
-    BT_Phase2DistortedWave,
-    BT_Phase2HorizontalCorrugate,
-    BT_Phase2BigPokeball,
-    BT_Phase2SlidingPokeballs,
-    BT_Phase2ClockwiseBlackFade,
-    BT_Phase2FullScreenWave,
-    BT_Phase2BlackWaveToRight,
-    BT_Phase2SlicedScreen,
-    BT_Phase2WhiteFadeInStripes,
-    BT_Phase2GridSquares,
-    BT_Phase2BlackDoodles,
-    BT_Phase2StartLoreleiMugshot,
-    BT_Phase2StartBrunoMugshot,
-    BT_Phase2StartAgathaMugshot,
-    BT_Phase2StartLanceMugshot,
-    BT_Phase2StartBlueMugshot,
-    BT_Phase2AntiClockwiseSpiral,
+    [B_TRANSITION_BLUR]                  = BT_Phase2Blur,
+    [B_TRANSITION_DISTORTED_WAVE]        = BT_Phase2DistortedWave,
+    [B_TRANSITION_HORIZONTAL_CORRUGATE]  = BT_Phase2HorizontalCorrugate,
+    [B_TRANSITION_BIG_POKEBALL]          = BT_Phase2BigPokeball,
+    [B_TRANSITION_SLIDING_POKEBALLS]     = BT_Phase2SlidingPokeballs,
+    [B_TRANSITION_CLOCKWISE_BLACKFADE]   = BT_Phase2ClockwiseBlackFade,
+    [B_TRANSITION_FULLSCREEN_WAVE]       = BT_Phase2FullScreenWave,
+    [B_TRANSITION_BLACK_WAVE_TO_RIGHT]   = BT_Phase2BlackWaveToRight,
+    [B_TRANSITION_SLICED_SCREEN]         = BT_Phase2SlicedScreen,
+    [B_TRANSITION_WHITEFADE_IN_STRIPES]  = BT_Phase2WhiteFadeInStripes,
+    [B_TRANSITION_GRID_SQUARES]          = BT_Phase2GridSquares,
+    [B_TRANSITION_BLACK_DOODLES]         = BT_Phase2BlackDoodles,
+    [B_TRANSITION_LORELEI]               = BT_Phase2StartLoreleiMugshot,
+    [B_TRANSITION_BRUNO]                 = BT_Phase2StartBrunoMugshot,
+    [B_TRANSITION_AGATHA]                = BT_Phase2StartAgathaMugshot,
+    [B_TRANSITION_LANCE]                 = BT_Phase2StartLanceMugshot,
+    [B_TRANSITION_BLUE]                  = BT_Phase2StartBlueMugshot,
+    [B_TRANSITION_ANTI_CLOCKWISE_SPIRAL] = BT_Phase2AntiClockwiseSpiral,
 };
 
 static const TransitionStateFunc sBT_MainPhases[] =
@@ -1487,174 +1487,176 @@ static void VBCB_BT_Phase2BlackWaveToRight(void)
 #undef tOffset
 #undef tTheta
 
+// Unused
+
 static void BT_Phase2AntiClockwiseSpiral(u8 taskId)
 {
     while (sBT_Phase2AntiClockwiseSpiralFuncs[gTasks[taskId].tState](&gTasks[taskId]));
 }
 
-static void sub_80D1F64(s16 a1, s16 a2, u8 a3)
+static void BT_AntiClockwiseSpiral_DoUpdateFrame(s16 initRadius, s16 deltaAngleMax, u8 offsetMaybe)
 {
     u8 theta = 0;
-    s16 i, r0, r8;
-    s16 res1, res2, res3, res4;
+    s16 i, amplitude1, amplitude2;
+    s16 y1, x1, y2, x2;
 
     for (i = 320; i < 960; ++i)
         gScanlineEffectRegBuffers[1][i] = 120;
 
-    for (i = 0; i < (a2 * 16); ++i, ++theta)
+    for (i = 0; i < (deltaAngleMax * 16); ++i, ++theta)
     {
-        r0 = a1 + (theta >> 3);
+        amplitude1 = initRadius + (theta >> 3);
         if ((theta >> 3) != ((theta + 1) >> 3))
         {
-            r8 = r0 + 1;
+            amplitude2 = amplitude1 + 1;
         }
         else
         {
-            r8 = r0;
+            amplitude2 = amplitude1;
         }
 
-        res1 = 80 - Sin(theta, r0);
-        res2 = Cos(theta, r0) + 120;
-        res3 = 80 - Sin(theta + 1, r8);
-        res4 = Cos(theta + 1, r8) + 120;
+        y1 = 80 - Sin(theta, amplitude1);
+        x1 = Cos(theta, amplitude1) + 120;
+        y2 = 80 - Sin(theta + 1, amplitude2);
+        x2 = Cos(theta + 1, amplitude2) + 120;
 
-        if (res1 < 0 && res3 < 0)
+        if (y1 < 0 && y2 < 0)
             continue;
-        if (res1 > 159 && res3 > 159)
+        if (y1 > 159 && y2 > 159)
             continue;
 
-        if (res1 < 0)
-            res1 = 0;
-        if (res1 > 159)
-            res1 = 159;
-        if (res2 < 0)
-            res2 = 0;
-        if (res2 > 255)
-            res2 = 255;
-        if (res3 < 0)
-            res3 = 0;
-        if (res3 > 159)
-            res3 = 159;
-        if (res4 < 0)
-            res4 = 0;
-        if (res4 > 255)
-            res4 = 255;
-
-        res3 -= res1;
+        if (y1 < 0)
+            y1 = 0;
+        if (y1 > 159)
+            y1 = 159;
+        if (x1 < 0)
+            x1 = 0;
+        if (x1 > 255)
+            x1 = 255;
+        if (y2 < 0)
+            y2 = 0;
+        if (y2 > 159)
+            y2 = 159;
+        if (x2 < 0)
+            x2 = 0;
+        if (x2 > 255)
+            x2 = 255;
+
+        y2 -= y1;
 
         if (theta >= 64 && theta < 192)
         {
-            gScanlineEffectRegBuffers[1][res1 + 320] = res2;
+            gScanlineEffectRegBuffers[1][y1 + 320] = x1;
 
-            if (res3 == 0)
+            if (y2 == 0)
                 continue;
 
-            res4 -= res2;
-            if (res4 < -1 && res2 > 1)
-                --res2;
-            else if (res4 > 1 && res2 < 255)
-                ++res2;
+            x2 -= x1;
+            if (x2 < -1 && x1 > 1)
+                --x1;
+            else if (x2 > 1 && x1 < 255)
+                ++x1;
 
-            if (res3 < 0)
-                for (; res3 < 0; res3++)
-                    gScanlineEffectRegBuffers[1][res1 + res3 + 320] = res2;
+            if (y2 < 0)
+                for (; y2 < 0; y2++)
+                    gScanlineEffectRegBuffers[1][y1 + y2 + 320] = x1;
             else
-                for (; res3 > 0; res3--)
-                    gScanlineEffectRegBuffers[1][res1 + res3 + 320] = res2;
+                for (; y2 > 0; y2--)
+                    gScanlineEffectRegBuffers[1][y1 + y2 + 320] = x1;
         }
         else
         {
-            gScanlineEffectRegBuffers[1][res1 + 480] = res2;
+            gScanlineEffectRegBuffers[1][y1 + 480] = x1;
 
-            if (res3 == 0)
+            if (y2 == 0)
                 continue;
 
-            res4 -= res2;
-            if (res4 < -1 && res2 > 1)
-                --res2;
-            else if (res4 > 1 && res2 < 255)
-                ++res2;
+            x2 -= x1;
+            if (x2 < -1 && x1 > 1)
+                --x1;
+            else if (x2 > 1 && x1 < 255)
+                ++x1;
 
-            if (res3 < 0)
-                for (; res3 < 0; res3++)
-                    gScanlineEffectRegBuffers[1][res1 + res3 + 480] = res2;
+            if (y2 < 0)
+                for (; y2 < 0; y2++)
+                    gScanlineEffectRegBuffers[1][y1 + y2 + 480] = x1;
             else
-                for (; res3 > 0; res3--)
-                    gScanlineEffectRegBuffers[1][res1 + res3 + 480] = res2;
+                for (; y2 > 0; y2--)
+                    gScanlineEffectRegBuffers[1][y1 + y2 + 480] = x1;
         }
     }
 
-    if (a3 == 0 || a2 % 4 == 0)
+    if (offsetMaybe == 0 || deltaAngleMax % 4 == 0)
     {
         for (i = 0; i < 160; i++)
         {
-            gScanlineEffectRegBuffers[1][i * 2 + a3] = gScanlineEffectRegBuffers[1][i + 320] << 8 | gScanlineEffectRegBuffers[1][i + 480];
+            gScanlineEffectRegBuffers[1][i * 2 + offsetMaybe] = gScanlineEffectRegBuffers[1][i + 320] << 8 | gScanlineEffectRegBuffers[1][i + 480];
         }
         return;
     }
 
-    res1 = Sin(a2 * 16, a1 + (a2 << 1));
+    y1 = Sin(deltaAngleMax * 16, initRadius + (deltaAngleMax << 1));
 
-    switch (a2 / 4)
+    switch (deltaAngleMax / 4)
     {
     case 0:
-        if (res1 > 80)
-            res1 = 80;
-        for (i = res1; i > 0; i--)
+        if (y1 > 80)
+            y1 = 80;
+        for (i = y1; i > 0; i--)
         {
-            sTransitionStructPtr->data[2] = res2 = ((i * gUnknown_83FA444[a2]) >> 8) + 120;
-            if (res2 < 0 || res2 > 255)
+            sTransitionStructPtr->data[2] = x1 = ((i * gUnknown_83FA444[deltaAngleMax]) >> 8) + 120;
+            if (x1 < 0 || x1 > 255)
                 continue;
             sTransitionStructPtr->bg123HOfs = 400 - i;
             sTransitionStructPtr->data[10] = gScanlineEffectRegBuffers[1][400 - i];
-            if (gScanlineEffectRegBuffers[1][560 - i] < res2)
+            if (gScanlineEffectRegBuffers[1][560 - i] < x1)
                 gScanlineEffectRegBuffers[1][560 - i] = 120;
-            else if (gScanlineEffectRegBuffers[1][400 - i] < res2)
-                gScanlineEffectRegBuffers[1][400 - i] = res2;
+            else if (gScanlineEffectRegBuffers[1][400 - i] < x1)
+                gScanlineEffectRegBuffers[1][400 - i] = x1;
         }
         break;
     case 1:
-        if (res1 > 80)
-            res1 = 80;
-        for (i = res1; i > 0; i--)
+        if (y1 > 80)
+            y1 = 80;
+        for (i = y1; i > 0; i--)
         {
-            sTransitionStructPtr->data[2] = res2 = ((i * gUnknown_83FA444[a2]) >> 8) + 120;
-            if (res2 < 0 || res2 > 255)
+            sTransitionStructPtr->data[2] = x1 = ((i * gUnknown_83FA444[deltaAngleMax]) >> 8) + 120;
+            if (x1 < 0 || x1 > 255)
                 continue;
             sTransitionStructPtr->bg123HOfs = 400 - i;
             sTransitionStructPtr->data[10] = gScanlineEffectRegBuffers[1][400 - i];
-            if (gScanlineEffectRegBuffers[1][400 - i] < res2)
-                gScanlineEffectRegBuffers[1][400 - i] = res2;
+            if (gScanlineEffectRegBuffers[1][400 - i] < x1)
+                gScanlineEffectRegBuffers[1][400 - i] = x1;
         }
         break;
     case 2:
-        if (res1 < -79)
-            res1 = -79;
-        for (i = res1; i <= 0; i++)
+        if (y1 < -79)
+            y1 = -79;
+        for (i = y1; i <= 0; i++)
         {
-            sTransitionStructPtr->data[2] = res2 = ((i * gUnknown_83FA444[a2]) >> 8) + 120;
-            if (res2 < 0 || res2 > 255)
+            sTransitionStructPtr->data[2] = x1 = ((i * gUnknown_83FA444[deltaAngleMax]) >> 8) + 120;
+            if (x1 < 0 || x1 > 255)
                 continue;
             sTransitionStructPtr->bg123HOfs = 560 - i;
             sTransitionStructPtr->data[10] = gScanlineEffectRegBuffers[1][560 - i];
-            if (gScanlineEffectRegBuffers[1][400 - i] >= res2)
+            if (gScanlineEffectRegBuffers[1][400 - i] >= x1)
                 gScanlineEffectRegBuffers[1][400 - i] = 120;
-            else if (gScanlineEffectRegBuffers[1][560 - i] > res2)
-                gScanlineEffectRegBuffers[1][560 - i] = res2;
+            else if (gScanlineEffectRegBuffers[1][560 - i] > x1)
+                gScanlineEffectRegBuffers[1][560 - i] = x1;
         }
         break;
     case 3:
-        if (res1 < -79)
-            res1 = -79;
-        for (i = res1; i <= 0; i++)
+        if (y1 < -79)
+            y1 = -79;
+        for (i = y1; i <= 0; i++)
         {
-            sTransitionStructPtr->data[2] = res2 = ((i * gUnknown_83FA444[a2]) >> 8) + 120;
-            if (res2 < 0 || res2 > 255)
+            sTransitionStructPtr->data[2] = x1 = ((i * gUnknown_83FA444[deltaAngleMax]) >> 8) + 120;
+            if (x1 < 0 || x1 > 255)
                 continue;
             sTransitionStructPtr->bg123HOfs = 560 - i;
             sTransitionStructPtr->data[10] = gScanlineEffectRegBuffers[1][560 - i];
-            if (gScanlineEffectRegBuffers[1][560 - i] > res2)
-                gScanlineEffectRegBuffers[1][560 - i] = res2;
+            if (gScanlineEffectRegBuffers[1][560 - i] > x1)
+                gScanlineEffectRegBuffers[1][560 - i] = x1;
         }
         break;
     default:
@@ -1663,7 +1665,7 @@ static void sub_80D1F64(s16 a1, s16 a2, u8 a3)
 
     for (i = 0; i < 160; i++)
     {
-        gScanlineEffectRegBuffers[1][i * 2 + a3] = (gScanlineEffectRegBuffers[1][i + 320] << 8) | gScanlineEffectRegBuffers[1][i + 480];
+        gScanlineEffectRegBuffers[1][i * 2 + offsetMaybe] = (gScanlineEffectRegBuffers[1][i + 320] << 8) | gScanlineEffectRegBuffers[1][i + 480];
     }
 }
 
@@ -1677,8 +1679,8 @@ static bool8 BT_Phase2AntiClockwiseSpiral_Init(struct Task *task)
     sTransitionStructPtr->win0V = WIN_RANGE(0x30, 0x70);
     sTransitionStructPtr->win1V = WIN_RANGE(0x10, 0x90);
     sTransitionStructPtr->counter = 0;
-    sub_80D1F64(0, 0, FALSE);
-    sub_80D1F64(0, 0, TRUE);
+    BT_AntiClockwiseSpiral_DoUpdateFrame(0, 0, 0);
+    BT_AntiClockwiseSpiral_DoUpdateFrame(0, 0, 1);
     DmaCopy16(3, gScanlineEffectRegBuffers[1], gScanlineEffectRegBuffers[0], 640);
     SetVBlankCallback(VBCB_BT_Phase2AntiClockwiseBlackFade);
     ++task->tState;
@@ -1689,30 +1691,30 @@ static bool8 BT_Phase2AntiClockwiseSpiral_Init(struct Task *task)
 
 static bool8 BT_Phase2AntiClockwiseSpiral_Update(struct Task *task)
 {
-    s16 v0, v1;
+    s16 win_top, win_bottom;
 
-    sub_80D1F64(task->data[2], task->data[1], TRUE);
+    BT_AntiClockwiseSpiral_DoUpdateFrame(task->data[2], task->data[1], 1);
     sTransitionStructPtr->vblankDma |= TRUE;
     if (++task->data[1] == 17)
     {
-        sub_80D1F64(task->data[2], 16, FALSE);
-        v0 = 48 - task->data[2];
-        if (v0 < 0)
-            v0 = 0;
-        v1 = task->data[2] + 112;
-        if (v1 > 255)
-            v1 = 255;
-        sTransitionStructPtr->win0V = v0 | v1;
+        BT_AntiClockwiseSpiral_DoUpdateFrame(task->data[2], 16, 0);
+        win_top = 48 - task->data[2];
+        if (win_top < 0)
+            win_top = 0;
+        win_bottom = task->data[2] + 112;
+        if (win_bottom > 255)
+            win_bottom = 255;
+        sTransitionStructPtr->win0V = win_top | win_bottom; // UB: win_top should be shifted
         task->data[2] += 32;
         task->data[1] = 0;
-        sub_80D1F64(task->data[2], 0, TRUE);
-        v0 = 48 - task->data[2];
-        if (v0 < 0)
-            v0 = 0;
-        v1 = task->data[2] + 112;
-        if (v1 > 255)
-            v1 = 255;
-        sTransitionStructPtr->win1V = v0 | v1;
+        BT_AntiClockwiseSpiral_DoUpdateFrame(task->data[2], 0, 1);
+        win_top = 48 - task->data[2];
+        if (win_top < 0)
+            win_top = 0;
+        win_bottom = task->data[2] + 112;
+        if (win_bottom > 255)
+            win_bottom = 255;
+        sTransitionStructPtr->win1V = win_top | win_bottom; // UB: win_top should be shifted
         sTransitionStructPtr->vblankDma |= TRUE;
         if (task->data[2] > 159)
         {
@@ -2684,7 +2686,7 @@ static bool8 BT_Phase1_FadeIn(struct Task *task)
 static void BT_InitCtrlBlk(void)
 {
     memset(sTransitionStructPtr, 0, sizeof(*sTransitionStructPtr));
-    sub_805A658(&sTransitionStructPtr->bg123HOfs, &sTransitionStructPtr->bg123VOfs);
+    FieldCameraGetPixelOffsetAtGround(&sTransitionStructPtr->bg123HOfs, &sTransitionStructPtr->bg123VOfs);
 }
 
 static void BT_VBSyncOamAndPltt(void)
diff --git a/src/battle_util.c b/src/battle_util.c
index 27d90b0d4..b3cd5a53c 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -247,7 +247,7 @@ void sub_8017434(u8 battler)
     }
 }
 
-void sub_80174B8(u8 battler)
+void UpdateSentPokesToOpponentValue(u8 battler)
 {
     if (GetBattlerSide(battler) == B_SIDE_OPPONENT)
     {
diff --git a/src/battle_util2.c b/src/battle_util2.c
index 6de4941cb..b1036ef0b 100644
--- a/src/battle_util2.c
+++ b/src/battle_util2.c
@@ -15,7 +15,7 @@ void AllocateBattleResources(void)
         s32 i;
 
         for (i = 0; i < 4; ++i)
-            gUnknown_3005EE0[i] = AllocZeroed(8);
+            gPokedudeBattlerStates[i] = AllocZeroed(sizeof(struct PokedudeBattlerState));
     }
     gBattleStruct = AllocZeroed(sizeof(*gBattleStruct));
     gBattleResources = AllocZeroed(sizeof(*gBattleResources));
@@ -29,10 +29,10 @@ void AllocateBattleResources(void)
     gBattleResources->AI_ScriptsStack = AllocZeroed(sizeof(*gBattleResources->AI_ScriptsStack));
     gLinkBattleSendBuffer = AllocZeroed(BATTLE_BUFFER_LINK_SIZE);
     gLinkBattleRecvBuffer = AllocZeroed(BATTLE_BUFFER_LINK_SIZE);
-    gUnknown_2022BB8 = AllocZeroed(0x2000);
-    gUnknown_2022BBC = AllocZeroed(0x1000);
-    SetBgTilemapBuffer(1, gUnknown_2022BBC);
-    SetBgTilemapBuffer(2, gUnknown_2022BBC);
+    gBattleAnimMons_BgTilesBuffer = AllocZeroed(0x2000);
+    gBattleAnimMons_BgTilemapBuffer = AllocZeroed(0x1000);
+    SetBgTilemapBuffer(1, gBattleAnimMons_BgTilemapBuffer);
+    SetBgTilemapBuffer(2, gBattleAnimMons_BgTilemapBuffer);
 }
 
 void FreeBattleResources(void)
@@ -45,7 +45,7 @@ void FreeBattleResources(void)
 
         for (i = 0; i < 4; ++i)
         {
-            FREE_AND_SET_NULL(gUnknown_3005EE0[i]);
+            FREE_AND_SET_NULL(gPokedudeBattlerStates[i]);
         }
     }
     if (gBattleResources != NULL)
@@ -62,8 +62,8 @@ void FreeBattleResources(void)
         FREE_AND_SET_NULL(gBattleResources);
         FREE_AND_SET_NULL(gLinkBattleSendBuffer);
         FREE_AND_SET_NULL(gLinkBattleRecvBuffer);
-        FREE_AND_SET_NULL(gUnknown_2022BB8);
-        FREE_AND_SET_NULL(gUnknown_2022BBC);
+        FREE_AND_SET_NULL(gBattleAnimMons_BgTilesBuffer);
+        FREE_AND_SET_NULL(gBattleAnimMons_BgTilemapBuffer);
     }
 }
 
diff --git a/src/bug.c b/src/bug.c
index 6e6b8f400..896fbcbf6 100644
--- a/src/bug.c
+++ b/src/bug.c
@@ -264,7 +264,7 @@ static void AnimTranslateWebThread(struct Sprite *sprite)
     {
         SetAverageBattlerPositions(gBattleAnimTarget, 1, &sprite->data[2], &sprite->data[4]);
     }
-    sub_8075678(sprite);
+    BattleAnim_InitLinearTranslationWithDuration(sprite);
     sprite->data[5] = gBattleAnimArgs[3];
     sprite->callback = sub_80B41C0;
 }
diff --git a/src/cable_club.c b/src/cable_club.c
index 7054eb417..039dea19c 100644
--- a/src/cable_club.c
+++ b/src/cable_club.c
@@ -301,7 +301,7 @@ static void Task_LinkupSlave_2(u8 taskId)
         {
             if (*res == 3 || *res == 4)
             {
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
                 HideFieldMessageBox();
                 gTasks[taskId].func = Task_Linkup_7;
             }
@@ -346,13 +346,13 @@ static void Task_LinkupMaster_6(u8 taskId)
             if (AnyConnectedPartnersPlayingRS() == TRUE)
                 CloseLink();
             else
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
             HideFieldMessageBox();
             gTasks[taskId].func = Task_Linkup_7;
         }
         else if (gSpecialVar_Result == 3)
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             HideFieldMessageBox();
             gTasks[taskId].func = Task_Linkup_7;
         }
@@ -410,7 +410,7 @@ static void Task_Linkup_6a(u8 taskId)
         }
         else
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             gTasks[taskId].func = Task_Linkup_7;
         }
     }
@@ -599,7 +599,7 @@ static void Task_StartWiredCableClubBattle(u8 taskId)
             task->data[0]++;
         break;
     case 3:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         task->data[0]++;
         break;
     case 4:
@@ -671,7 +671,7 @@ static void Task_StartWirelessCableClubBattle(u8 taskId)
             data[0] = 5;
         break;
     case 5:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         data[0] = 6;
         break;
     case 6:
@@ -711,7 +711,7 @@ static void sub_8081624(void)
     switch (gMain.state)
     {
     case 0:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         gMain.state++;
         break;
     case 1:
@@ -838,7 +838,7 @@ static void Task_StartWiredCableClubTrade(u8 taskId)
         gSelectedTradeMonPositions[0] = 0;
         gSelectedTradeMonPositions[1] = 0;
         m4aMPlayAllStop();
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         task->data[0]++;
         break;
     case 3:
@@ -870,7 +870,7 @@ static void Task_StartWirelessCableClubTrade(u8 taskId)
         gSelectedTradeMonPositions[0] = 0;
         gSelectedTradeMonPositions[1] = 0;
         m4aMPlayAllStop();
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         data[0]++;
         break;
     case 3:
@@ -959,6 +959,6 @@ static void sub_8081AE4(u8 taskId)
 
 static void sub_8081B08(u8 taskId)
 {
-    Link_TryStartSend5FFF();
+    SetCloseLinkCallback();
     gTasks[taskId].func = sub_8081AE4;
 }
diff --git a/src/dark.c b/src/dark.c
index 86523f2f1..142366fea 100644
--- a/src/dark.c
+++ b/src/dark.c
@@ -409,7 +409,7 @@ void AnimTask_MoveAttackerMementoShadow(u8 taskId)
     task->data[3] = GetBattlerSpriteBGPriorityRank(gBattleAnimAttacker);
     if (task->data[3] == 1)
     {
-        sub_80752A0(&animBg);
+        GetBattleAnimBg1Data(&animBg);
         task->data[10] = gBattle_BG1_Y;
         SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT2_ALL | BLDCNT_EFFECT_BLEND | BLDCNT_TGT1_BG1);
         FillPalette(0, animBg.paletteId * 16, 32);
@@ -540,7 +540,7 @@ void AnimTask_MoveTargetMementoShadow(u8 taskId)
     case 1:
         if (task->data[3] == 1)
         {
-            sub_80752A0(&animBg);
+            GetBattleAnimBg1Data(&animBg);
             task->data[10] = gBattle_BG1_Y;
             FillPalette(0, animBg.paletteId * 16, 32);
         }
@@ -742,9 +742,9 @@ void sub_80B8664(u8 taskId)
 {
     bool8 toBG2 = GetBattlerSpriteBGPriorityRank(gBattleAnimAttacker) ^ 1 ? TRUE : FALSE;
     
-    sub_8073128(toBG2);
+    ResetBattleAnimBg(toBG2);
     if (IsBattlerSpriteVisible(BATTLE_PARTNER(gBattleAnimAttacker)))
-        sub_8073128(toBG2 ^ 1);
+        ResetBattleAnimBg(toBG2 ^ 1);
     DestroyAnimVisualTask(taskId);
 }
 
@@ -800,7 +800,7 @@ void AnimTask_MetallicShine(u8 taskId)
         species = GetMonData(&gPlayerParty[gBattlerPartyIndexes[gBattleAnimAttacker]], MON_DATA_SPECIES);
     spriteId = GetAnimBattlerSpriteId(ANIM_ATTACKER);
     newSpriteId = sub_8076E34(gBattleAnimAttacker, spriteId, species);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     AnimLoadCompressedBgTilemap(animBg.bgId, gMetalShineTilemap);
     AnimLoadCompressedBgGfx(animBg.bgId, gMetalShineGfx, animBg.tilesOffset);
     LoadCompressedPalette(gMetalShinePalette, animBg.paletteId * 16, 32);
@@ -839,8 +839,8 @@ static void sub_80B8920(u8 taskId)
             if (gTasks[taskId].data[1] == 0)
                 SetGreyscaleOrOriginalPalette(paletteNum, 1);
             DestroySprite(&gSprites[gTasks[taskId].data[0]]);
-            sub_80752A0(&animBg);
-            sub_8075358(animBg.bgId);
+            GetBattleAnimBg1Data(&animBg);
+            InitBattleAnimBg(animBg.bgId);
             if (gTasks[taskId].data[6] == 1)
                 gSprites[gBattlerSpriteIds[BATTLE_PARTNER(gBattleAnimAttacker)]].oam.priority++;
         }
diff --git a/src/data.c b/src/data.c
index 6b4e113af..3f6a340eb 100644
--- a/src/data.c
+++ b/src/data.c
@@ -8,7 +8,7 @@
 #include "constants/battle_ai.h"
 #include "constants/trainer_classes.h"
 
-const struct SpriteFrameImage gUnknown_8234698[] =
+const struct SpriteFrameImage gSpriteImages_BattlerPlayerLeft[] =
 {
     gHeap + 0x8000, 0x800,
     gHeap + 0x8800, 0x800,
@@ -16,7 +16,7 @@ const struct SpriteFrameImage gUnknown_8234698[] =
     gHeap + 0x9800, 0x800,
 };
 
-const struct SpriteFrameImage gUnknown_82346B8[] =
+const struct SpriteFrameImage gSpriteImages_BattlerOpponentLeft[] =
 {
     gHeap + 0xA000, 0x800,
     gHeap + 0xA800, 0x800,
@@ -24,7 +24,7 @@ const struct SpriteFrameImage gUnknown_82346B8[] =
     gHeap + 0xB800, 0x800,
 };
 
-const struct SpriteFrameImage gUnknown_82346D8[] =
+const struct SpriteFrameImage gSpriteImages_BattlerPlayerRight[] =
 {
     gHeap + 0xC000, 0x800,
     gHeap + 0xC800, 0x800,
@@ -32,7 +32,7 @@ const struct SpriteFrameImage gUnknown_82346D8[] =
     gHeap + 0xD800, 0x800,
 };
 
-const struct SpriteFrameImage gUnknown_82346F8[] =
+const struct SpriteFrameImage gSpriteImages_BattlerOpponentRight[] =
 {
     gHeap + 0xE000, 0x800,
     gHeap + 0xE800, 0x800,
@@ -168,7 +168,7 @@ static const union AffineAnimCmd gSpriteAffineAnim_82348B0[] =
     AFFINEANIMCMD_END,
 };
 
-const union AffineAnimCmd *const gSpriteAffineAnimTable_82348C8[] =
+const union AffineAnimCmd *const gSpriteAffineAnimTable_BattlerPlayer[] =
 {
     gSpriteAffineAnim_82347F8,
     gSpriteAffineAnim_8234818,
@@ -208,7 +208,7 @@ static const union AffineAnimCmd gSpriteAffineAnim_8234934[] =
     AFFINEANIMCMD_END,
 };
 
-const union AffineAnimCmd *const gSpriteAffineAnimTable_8234944[] =
+const union AffineAnimCmd *const gSpriteAffineAnimTable_BattlerOpponent[] =
 {
     gSpriteAffineAnim_82347F8,
     gSpriteAffineAnim_8234818,
diff --git a/src/data/party_menu.h b/src/data/party_menu.h
index 2ada2b5f4..e8151b810 100644
--- a/src/data/party_menu.h
+++ b/src/data/party_menu.h
@@ -526,7 +526,7 @@ static const struct WindowTemplate sLevelUpStatsWindowTemplate =
     .baseBlock = 0x2BF,
 };
 
-static const struct WindowTemplate gUnknown_845A170 =
+static const struct WindowTemplate sWindowTemplate_FirstBattleOakVoiceover =
 {
     .bg = 2,
     .tilemapLeft = 2,
diff --git a/src/daycare.c b/src/daycare.c
index 14c41355b..bbd0d89a6 100644
--- a/src/daycare.c
+++ b/src/daycare.c
@@ -790,7 +790,7 @@ static void InheritIVs(struct Pokemon *egg, struct DayCare *daycare)
     u8 i;
     u8 selectedIvs[INHERITED_IV_COUNT];
     u8 availableIVs[NUM_STATS];
-    u8 whichParent[ARRAY_COUNT(selectedIvs)];
+    u8 whichParent[NELEMS(selectedIvs)];
     u8 iv;
 
     // Initialize a list of IV indices.
@@ -800,7 +800,7 @@ static void InheritIVs(struct Pokemon *egg, struct DayCare *daycare)
     }
 
     // Select the 3 IVs that will be inherited.
-    for (i = 0; i < ARRAY_COUNT(selectedIvs); i++)
+    for (i = 0; i < NELEMS(selectedIvs); i++)
     {
         // Randomly pick an IV from the available list and stop from being chosen again.
         selectedIvs[i] = availableIVs[Random() % (NUM_STATS - i)];
@@ -808,13 +808,13 @@ static void InheritIVs(struct Pokemon *egg, struct DayCare *daycare)
     }
 
     // Determine which parent each of the selected IVs should inherit from.
-    for (i = 0; i < ARRAY_COUNT(selectedIvs); i++)
+    for (i = 0; i < NELEMS(selectedIvs); i++)
     {
         whichParent[i] = Random() % DAYCARE_MON_COUNT;
     }
 
     // Set each of inherited IVs on the egg mon.
-    for (i = 0; i < ARRAY_COUNT(selectedIvs); i++)
+    for (i = 0; i < NELEMS(selectedIvs); i++)
     {
         switch (selectedIvs[i])
         {
@@ -858,7 +858,7 @@ static u8 GetEggMoves(struct Pokemon *pokemon, u16 *eggMoves)
     numEggMoves = 0;
     eggMoveIdx = 0;
     species = GetMonData(pokemon, MON_DATA_SPECIES);
-    for (i = 0; i < ARRAY_COUNT(gEggMoves) - 1; i++)
+    for (i = 0; i < NELEMS(gEggMoves) - 1; i++)
     {
         if (gEggMoves[i] == species + EGG_MOVES_SPECIES_OFFSET)
         {
@@ -1787,7 +1787,7 @@ static void CB2_EggHatch_0(void)
 
         ResetTempTileDataBuffers();
         ResetBgsAndClearDma3BusyFlags(0);
-        InitBgsFromTemplates(0, sBgTemplates_EggHatch, ARRAY_COUNT(sBgTemplates_EggHatch));
+        InitBgsFromTemplates(0, sBgTemplates_EggHatch, NELEMS(sBgTemplates_EggHatch));
 
         ChangeBgX(1, 0, 0);
         ChangeBgY(1, 0, 0);
diff --git a/src/dodrio_berry_picking.c b/src/dodrio_berry_picking.c
index f9ea77003..35562bde7 100644
--- a/src/dodrio_berry_picking.c
+++ b/src/dodrio_berry_picking.c
@@ -804,7 +804,7 @@ static void sub_8151488(void)
     switch (gUnknown_203F3E0->unk10)
     {
     case 0:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         sub_81549D4(7);
         gUnknown_203F3E0->unk10++;
         break;
diff --git a/src/dodrio_berry_picking_2.c b/src/dodrio_berry_picking_2.c
index 5bd531edc..ff44a70de 100644
--- a/src/dodrio_berry_picking_2.c
+++ b/src/dodrio_berry_picking_2.c
@@ -1567,7 +1567,7 @@ static void sub_8155EA0(void)
     DmaClear16(3, (void *)PLTT, PLTT_SIZE);
     SetGpuReg(REG_OFFSET_DISPCNT, 0);
     ResetBgsAndClearDma3BusyFlags(FALSE);
-    InitBgsFromTemplates(0, sUnknown_847565C, ARRAY_COUNT(sUnknown_847565C));
+    InitBgsFromTemplates(0, sUnknown_847565C, NELEMS(sUnknown_847565C));
     ChangeBgX(0, 0, 0);
     ChangeBgY(0, 0, 0);
     ChangeBgX(1, 0, 0);
diff --git a/src/easy_chat.c b/src/easy_chat.c
index bf617a854..4360dc72e 100644
--- a/src/easy_chat.c
+++ b/src/easy_chat.c
@@ -704,7 +704,7 @@ static bool8 UnlockedECMonOrMove(u16 wordIndex, u8 groupId)
 static bool32 EC_IsDeoxys(u16 species)
 {
     u32 i;
-    for (i = 0; i < ARRAY_COUNT(sDeoxysValue); i++)
+    for (i = 0; i < NELEMS(sDeoxysValue); i++)
     {
         if (sDeoxysValue[i] == species)
             return TRUE;
diff --git a/src/fame_checker.c b/src/fame_checker.c
index 48e5cf00a..ea6e63be9 100644
--- a/src/fame_checker.c
+++ b/src/fame_checker.c
@@ -450,7 +450,7 @@ static void MainCB2_LoadFameChecker(void)
             sBg1TilemapBuffer = AllocZeroed(0x1000);
             sBg2TilemapBuffer = AllocZeroed(0x800);
             ResetBgsAndClearDma3BusyFlags(0);
-            InitBgsFromTemplates(0, sUIBgTemplates, ARRAY_COUNT(sUIBgTemplates));
+            InitBgsFromTemplates(0, sUIBgTemplates, NELEMS(sUIBgTemplates));
             SetBgTilemapBuffer(3, sBg3TilemapBuffer);
             SetBgTilemapBuffer(2, sBg2TilemapBuffer);
             SetBgTilemapBuffer(1, sBg1TilemapBuffer);
diff --git a/src/field_camera.c b/src/field_camera.c
index f383b2a27..37133d68f 100644
--- a/src/field_camera.c
+++ b/src/field_camera.c
@@ -84,10 +84,10 @@ void FieldUpdateBgTilemapScroll(void)
     SetGpuReg(REG_OFFSET_BG3VOFS, r4);
 }
 
-void sub_805A658(s16 *a, s16 *b)
+void FieldCameraGetPixelOffsetAtGround(s16 *hofs_p, s16 *vofs_p)
 {
-    *a = sFieldCameraOffset.xPixelOffset + sHorizontalCameraPan;
-    *b = sFieldCameraOffset.yPixelOffset + sVerticalCameraPan + 8;
+    *hofs_p = sFieldCameraOffset.xPixelOffset + sHorizontalCameraPan;
+    *vofs_p = sFieldCameraOffset.yPixelOffset + sVerticalCameraPan + 8;
 }
 
 void DrawWholeMapView(void)
diff --git a/src/field_fadetransition.c b/src/field_fadetransition.c
index 93bc8133d..a21833729 100644
--- a/src/field_fadetransition.c
+++ b/src/field_fadetransition.c
@@ -207,7 +207,7 @@ static void sub_807DDF0(u8 taskId)
     switch (task->data[0])
     {
     case 0:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         task->data[0]++;
         break;
     case 1:
@@ -663,7 +663,7 @@ static void Task_ReturnFromLinkRoomWarp(u8 taskId)
     case 1:
         if (!WaitWarpFadeOutScreen() && BGMusicStopped())
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             data[0]++;
         }
         break;
diff --git a/src/fighting.c b/src/fighting.c
index ab477cd43..a7dd18ce8 100644
--- a/src/fighting.c
+++ b/src/fighting.c
@@ -788,7 +788,7 @@ static void sub_80B111C(struct Sprite *sprite)
         sprite->data[4] = GetBattlerSpriteCoord(sprite->data[7], 3);
         InitAnimLinearTranslation(sprite);
         StoreSpriteCallbackInData6(sprite, DestroySpriteAndMatrix);
-        sprite->callback = sub_807563C;
+        sprite->callback = RunLinearTranslation_ThenceSetCBtoStoredInData6;
     }
 }
 
@@ -874,7 +874,7 @@ static void AnimSuperpowerFireball(struct Sprite *sprite)
     sprite->data[4] = GetBattlerSpriteCoord(battler, 3);
     InitAnimLinearTranslation(sprite);
     StoreSpriteCallbackInData6(sprite, DestroyAnimSprite);
-    sprite->callback = sub_807563C;
+    sprite->callback = RunLinearTranslation_ThenceSetCBtoStoredInData6;
 }
 
 static void sub_80B13D4(struct Sprite *sprite)
@@ -940,7 +940,7 @@ void AnimTask_MoveSkyUppercutBg(u8 taskId)
     switch (task->data[0])
     {
     case 0:
-        sub_8075458(0);
+        ToggleBg3Mode(0);
         task->data[8] = gBattleAnimArgs[0];
         ++task->data[0];
         break;
@@ -965,7 +965,7 @@ void AnimTask_MoveSkyUppercutBg(u8 taskId)
     {
         gBattle_BG3_X = 0;
         gBattle_BG3_Y = 0;
-        sub_8075458(1);
+        ToggleBg3Mode(1);
         DestroyAnimVisualTask(taskId);
     }
 }
diff --git a/src/fire.c b/src/fire.c
index 7833620d4..3a3e6be9b 100644
--- a/src/fire.c
+++ b/src/fire.c
@@ -1016,7 +1016,7 @@ static void AnimWillOWispOrb(struct Sprite *sprite)
             sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
             sprite->data[3] = sprite->pos1.y;
             sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
-            sub_8075678(sprite);
+            BattleAnim_InitLinearTranslationWithDuration(sprite);
             sprite->callback = sub_80AD690;
         }
         break;
@@ -1160,7 +1160,7 @@ void AnimTask_BlendBackground(u8 taskId)
 {
     struct BattleAnimBgData animBg;
 
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     BlendPalette(animBg.paletteId * 16, 16, gBattleAnimArgs[0], gBattleAnimArgs[1]);
     DestroyAnimVisualTask(taskId);
 }
diff --git a/src/ghost.c b/src/ghost.c
index 4aab8409f..0efcc28d4 100644
--- a/src/ghost.c
+++ b/src/ghost.c
@@ -226,7 +226,7 @@ static void AnimConfuseRayBallBounce(struct Sprite *sprite)
     sprite->data[2] = GetBattlerSpriteCoord(gBattleAnimTarget, 2);
     sprite->data[3] = sprite->pos1.y;
     sprite->data[4] = GetBattlerSpriteCoord(gBattleAnimTarget, 3);
-    sub_8075678(sprite);
+    BattleAnim_InitLinearTranslationWithDuration(sprite);
     sprite->callback = sub_80B52D0;
     sprite->data[6] = 16;
     SetGpuReg(REG_OFFSET_BLDCNT, (BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_ALL));
@@ -1314,18 +1314,18 @@ static void sub_80B6BE4(u8 taskId)
         gBattle_BG2_Y = 0;
         SetGpuReg(REG_OFFSET_BG2HOFS, gBattle_BG2_X);
         SetGpuReg(REG_OFFSET_BG2VOFS, gBattle_BG2_Y);
-        sub_80752C8(&animBgData, 2);
+        GetBattleAnimBgData(&animBgData, 2);
         AnimLoadCompressedBgGfx(animBgData.bgId, gBattleAnim_ScaryFaceGfx, animBgData.tilesOffset);
         LoadCompressedPalette(gBattleAnim_ScaryFacePal, 16 * animBgData.paletteId, 0x20);
         break;
     case 3:
-        sub_80752C8(&animBgData, 2);
-        gMonSpritesGfxPtr->field_17C = AllocZeroed(0x2000);
-        LZDecompressWram(gBattleAnimBgTilemap_ScaryFacePlayer, gMonSpritesGfxPtr->field_17C);
-        sub_80730C0(animBgData.paletteId, gMonSpritesGfxPtr->field_17C, 256, 0);
-        CopyToBgTilemapBufferRect_ChangePalette(animBgData.bgId, gMonSpritesGfxPtr->field_17C, 0, 0, 0x20, 0x20, 0x11);
+        GetBattleAnimBgData(&animBgData, 2);
+        gMonSpritesGfxPtr->multiUseBuffer = AllocZeroed(0x2000);
+        LZDecompressWram(gBattleAnimBgTilemap_ScaryFacePlayer, gMonSpritesGfxPtr->multiUseBuffer);
+        sub_80730C0(animBgData.paletteId, gMonSpritesGfxPtr->multiUseBuffer, 256, 0);
+        CopyToBgTilemapBufferRect_ChangePalette(animBgData.bgId, gMonSpritesGfxPtr->multiUseBuffer, 0, 0, 0x20, 0x20, 0x11);
         CopyBgTilemapBufferToVram(2);
-        FREE_AND_SET_NULL(gMonSpritesGfxPtr->field_17C);
+        FREE_AND_SET_NULL(gMonSpritesGfxPtr->multiUseBuffer);
         break;
     case 4:
         ++task->data[1];
@@ -1417,7 +1417,7 @@ static void sub_80B6FC4(u8 taskId)
         SetAnimBgAttribute(2, BG_ANIM_PRIORITY, 2);
         break;
     case 3:
-        sub_8075358(2);
+        InitBattleAnimBg(2);
         FillPalette(0, 0x90, 0x20);
         SetAnimBgAttribute(2, BG_ANIM_CHAR_BASE_BLOCK, 0);
         task->data[1] = 12;
diff --git a/src/ice.c b/src/ice.c
index 6a77675e2..ed0c93430 100644
--- a/src/ice.c
+++ b/src/ice.c
@@ -941,7 +941,7 @@ void AnimTask_Haze1(u8 taskId)
     gBattle_BG1_Y = 0;
     SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
     SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     LoadBgTiles(animBg.bgId, gWeatherFogHorizontalTiles, 0x800, animBg.tilesOffset);
     AnimLoadCompressedBgTilemap(animBg.bgId, gBattleAnimFogTilemap);
     LoadPalette(&gUnknown_83C2CE0, animBg.paletteId * 16, 32);
@@ -992,9 +992,9 @@ static void AnimTask_Haze2(u8 taskId)
         }
         break;
     case 3:
-        sub_80752A0(&animBg);
-        sub_8075358(1);
-        sub_8075358(2);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(1);
+        InitBattleAnimBg(2);
         ++gTasks[taskId].data[12];
         // fall through
     case 4:
@@ -1039,7 +1039,7 @@ void AnimTask_LoadMistTiles(u8 taskId)
     gBattle_BG1_Y = 0;
     SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
     SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     LoadBgTiles(animBg.bgId, gWeatherFogHorizontalTiles, 0x800, animBg.tilesOffset);
     AnimLoadCompressedBgTilemap(animBg.bgId, gBattleAnimFogTilemap);
     LoadPalette(&gUnknown_83C2CE0, animBg.paletteId * 16, 32);
@@ -1087,9 +1087,9 @@ static void AnimTask_OverlayFogTiles(u8 taskId)
         }
         break;
     case 3:
-        sub_80752A0(&animBg);
-        sub_8075358(1);
-        sub_8075358(2);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(1);
+        InitBattleAnimBg(2);
         ++gTasks[taskId].data[12];
         // fall through
     case 4:
@@ -1230,7 +1230,7 @@ static void MovePoisonGasCloud(struct Sprite *sprite)
                 sprite->data[2] = -0x10;
             ++sprite->data[7];
             sprite->pos2.x = sprite->pos2.y = 0;
-            sub_8075678(sprite);
+            BattleAnim_InitLinearTranslationWithDuration(sprite);
         }
         break;
     case 2:
diff --git a/src/item_menu.c b/src/item_menu.c
index 676ce6759..3abecc1f5 100644
--- a/src/item_menu.c
+++ b/src/item_menu.c
@@ -2351,7 +2351,7 @@ static void Task_Bag_TeachyTvStatus(u8 taskId)
             DestroyListMenuTask(data[0], NULL, NULL);
             RestorePlayerBag();
             gItemUseCB = ItemUseCB_MedicineStep;
-            ItemMenu_SetExitCallback(ChooseMonForInBattleItem);
+            ItemMenu_SetExitCallback(Pokedude_ChooseMonForInBattleItem);
             gTasks[taskId].func = Task_Pokedude_FadeFromBag;
             return;
         }
diff --git a/src/item_use.c b/src/item_use.c
index 9c434acdb..585d44273 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -793,12 +793,12 @@ static void ItemUse_SwitchToPartyMenuInBattle(u8 taskId)
 {
     if (GetPocketByItemId(gSpecialVar_ItemId) == POCKET_BERRY_POUCH)
     {
-        BerryPouch_SetExitCallback(sub_81279E0);
+        BerryPouch_SetExitCallback(EnterPartyFromItemMenuInBattle);
         BerryPouch_StartFadeToExitCallback(taskId);
     }
     else
     {
-        ItemMenu_SetExitCallback(sub_81279E0);
+        ItemMenu_SetExitCallback(EnterPartyFromItemMenuInBattle);
         ItemMenu_StartFadeToExitCallback(taskId);
     }
 }
diff --git a/src/link.c b/src/link.c
index eac984b47..4a0f8561f 100644
--- a/src/link.c
+++ b/src/link.c
@@ -461,7 +461,7 @@ void LinkTestProcessKeyInput(void)
     }
     if (JOY_NEW(SELECT_BUTTON))
     {
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
     }
     if (gLinkTestDebugValuesEnabled)
     {
@@ -1322,7 +1322,7 @@ void Link_StartSend5FFFwithParam(u16 a0)
     }
 }
 
-void Link_TryStartSend5FFF(void)
+void SetCloseLinkCallback(void)
 {
     if (gWirelessCommType == 1)
     {
@@ -1377,7 +1377,7 @@ static void LinkCB_WaitAckCommand5FFF(void)
     }
 }
 
-void PrepareSendLinkCmd2FFE_or_RfuCmd6600(void)
+void SetLinkStandbyCallback(void)
 {
     if (gWirelessCommType == 1)
     {
diff --git a/src/load_save.c b/src/load_save.c
index f17d31f37..499c93916 100644
--- a/src/load_save.c
+++ b/src/load_save.c
@@ -70,7 +70,7 @@ void SetSaveBlocksPointers(void)
     struct SaveBlock1** sav1_LocalVar = &gSaveBlock1Ptr;
     void *oldSave = (void *)gSaveBlock1Ptr;
 
-    offset = (Random()) & (SAVEBLOCK_MOVE_RANGE - 4);
+    offset = (Random()) & ((SAVEBLOCK_MOVE_RANGE - 1) & ~3);
 
     gSaveBlock2Ptr = (void*)(&gSaveBlock2) + offset;
     *sav1_LocalVar = (void*)(&gSaveBlock1) + offset;
diff --git a/src/main.c b/src/main.c
index 1573a2c5b..2f039c23b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -67,9 +67,15 @@ IntrFunc gIntrTable[INTR_COUNT];
 bool8 gLinkVSyncDisabled;
 u32 IntrMain_Buffer[0x200];
 u8 gPcmDmaCounter;
-u8 gUnknown_3003578;
-u8 gUnknown_3003D80;
-u8 gUnknown_3003D84;
+
+// These variables are not defined in RS or Emerald, and are never read.
+// They were likely used to debug the audio engine and VCount interrupt.
+// Define NDEBUG in include/config.h to remove these variables.
+#ifndef NDEBUG
+u8 sVcountAfterSound;
+u8 sVcountAtIntr;
+u8 sVcountBeforeSound;
+#endif
 
 static IntrFunc * const sTimerIntrFunc = gIntrTable + 0x7;
 
@@ -369,11 +375,15 @@ static void VBlankIntr(void)
 
     gPcmDmaCounter = gSoundInfo.pcmDmaCounter;
 
-    gUnknown_3003D84 = REG_VCOUNT;
+#ifndef NDEBUG
+    sVcountBeforeSound = REG_VCOUNT;
+#endif
     m4aSoundMain();
-    gUnknown_3003578 = REG_VCOUNT;
+#ifndef NDEBUG
+    sVcountAfterSound = REG_VCOUNT;
+#endif
 
-    sub_800DD28();
+    TryReceiveLinkBattleData();
     Random();
     UpdateWirelessStatusIndicatorSprite();
 
@@ -398,7 +408,9 @@ static void HBlankIntr(void)
 
 static void VCountIntr(void)
 {
-    gUnknown_3003D80 = REG_VCOUNT;
+#ifndef NDEBUG
+    sVcountAtIntr = REG_VCOUNT;
+#endif
     m4aSoundVSync();
     INTR_CHECK |= INTR_FLAG_VCOUNT;
     gMain.intrCheck |= INTR_FLAG_VCOUNT;
diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
index 1a36fd6f6..2c455b57a 100644
--- a/src/mystery_gift_menu.c
+++ b/src/mystery_gift_menu.c
@@ -375,7 +375,7 @@ bool32 HandleMysteryGiftOrEReaderSetup(s32 mg_or_ereader)
         ScanlineEffect_Stop();
         ResetBgsAndClearDma3BusyFlags(1);
 
-        InitBgsFromTemplates(0, sBGTemplates, ARRAY_COUNT(sBGTemplates));
+        InitBgsFromTemplates(0, sBGTemplates, NELEMS(sBGTemplates));
         ChangeBgX(0, 0, 0);
         ChangeBgY(0, 0, 0);
         ChangeBgX(1, 0, 0);
diff --git a/src/party_menu.c b/src/party_menu.c
index b01e62a03..1acbc04ea 100644
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -353,23 +353,23 @@ static void SlideMultiPartyMenuBoxSpritesOneStep(u8 taskId);
 static void Task_MultiPartnerPartySlideIn(u8 taskId);
 static bool8 CB2_FadeFromPartyMenu(void);
 static void Task_PartyMenuWaitForFade(u8 taskId);
-static void sub_8120C6C(u8 taskId);
-static void sub_8120CA8(u8 taskId);
-static void sub_8120CD8(u8 taskId);
-static void sub_8120D08(u8 taskId);
-static void sub_8120D40(u8 taskId);
-static void sub_8120D7C(u8 taskId);
-static void sub_8120DAC(u8 taskId);
-static void sub_8120DE0(u8 taskId);
-static void sub_8120E1C(u8 taskId);
-static void sub_8120E58(u8 taskId);
-static void sub_8120EE0(u8 taskId);
-static void sub_8120FF0(u8 taskId);
-static bool8 sub_8120F78(u8 taskId);
-static void sub_8120FB0(void);
-static void sub_8122084(u8 windowId, const u8 *str);
-static u8 sub_81220D4(void);
-static void sub_8122110(u8 windowId);
+static void Task_FirstBattleEnterParty_DarkenScreen(u8 taskId);
+static void Task_FirstBattleEnterParty_WaitDarken(u8 taskId);
+static void Task_FirstBattleEnterParty_CreatePrinter(u8 taskId);
+static void Task_FirstBattleEnterParty_RunPrinterMsg1(u8 taskId);
+static void Task_FirstBattleEnterParty_LightenFirstMonIcon(u8 taskId);
+static void Task_FirstBattleEnterParty_WaitLightenFirstMonIcon(u8 taskId);
+static void Task_FirstBattleEnterParty_StartPrintMsg2(u8 taskId);
+static void Task_FirstBattleEnterParty_RunPrinterMsg2(u8 taskId);
+static void Task_FirstBattleEnterParty_FadeNormal(u8 taskId);
+static void Task_FirstBattleEnterParty_WaitFadeNormal(u8 taskId);
+static void Task_PartyMenu_PokedudeStep(u8 taskId);
+static void Task_PartyMenuFromBag_PokedudeStep(u8 taskId);
+static bool8 PartyMenuPokedudeIsCancelled(u8 taskId);
+static void PartyMenuHandlePokedudeCancel(void);
+static void PartyMenu_Oak_PrintText(u8 windowId, const u8 *str);
+static u8 FirstBattleEnterParty_CreateWindowAndMsg1Printer(void);
+static void FirstBattleEnterParty_DestroyVoiceoverWindow(u8 windowId);
 static void SetSwitchedPartyOrderQuestLogEvent(void);
 static void SetUsedFieldMoveQuestLogEvent(struct Pokemon *mon, u8 fieldMove);
 static void sub_8124DE0(void);
@@ -855,7 +855,7 @@ static bool8 DisplayPartyPokemonDataForMoveTutorOrEvolutionItem(u8 slot)
             DisplayPartyPokemonDataToTeachMove(slot, item, 0);
             break;
         case 2: // Evolution stone
-            if (!GetMonData(currentPokemon, MON_DATA_IS_EGG) && GetEvolutionTargetSpecies(currentPokemon, 3, item) != SPECIES_NONE)
+            if (!GetMonData(currentPokemon, MON_DATA_IS_EGG) && GetEvolutionTargetSpecies(currentPokemon, EVO_MODE_ITEM_CHECK, item) != SPECIES_NONE)
                 return FALSE;
             DisplayPartyPokemonDescriptionData(slot, PARTYBOX_DESC_NO_USE);
             break;
@@ -1955,76 +1955,78 @@ static bool8 CanLearnTutorMove(u16 species, u8 tutor)
     }
 }
 
-static void sub_8120C3C(u8 taskId)
+// Tutorial battle messages
+
+static void Task_FirstBattleEnterParty_WaitFadeIn(u8 taskId)
 {
     if (!gPaletteFade.active)
-        gTasks[taskId].func = sub_8120C6C;
+        gTasks[taskId].func = Task_FirstBattleEnterParty_DarkenScreen;
 }
 
-static void sub_8120C6C(u8 taskId)
+static void Task_FirstBattleEnterParty_DarkenScreen(u8 taskId)
 {
     BeginNormalPaletteFade(0xFFFF1FFF, 4, 0, 6, RGB_BLACK);
-    gTasks[taskId].func = sub_8120CA8;
+    gTasks[taskId].func = Task_FirstBattleEnterParty_WaitDarken;
 }
 
-static void sub_8120CA8(u8 taskId)
+static void Task_FirstBattleEnterParty_WaitDarken(u8 taskId)
 {
     if (!gPaletteFade.active)
-        gTasks[taskId].func = sub_8120CD8;
+        gTasks[taskId].func = Task_FirstBattleEnterParty_CreatePrinter;
 }
 
-static void sub_8120CD8(u8 taskId)
+static void Task_FirstBattleEnterParty_CreatePrinter(u8 taskId)
 {
-    gTasks[taskId].data[0] = sub_81220D4();
-    gTasks[taskId].func = sub_8120D08;
+    gTasks[taskId].data[0] = FirstBattleEnterParty_CreateWindowAndMsg1Printer();
+    gTasks[taskId].func = Task_FirstBattleEnterParty_RunPrinterMsg1;
 }
 
-static void sub_8120D08(u8 taskId)
+static void Task_FirstBattleEnterParty_RunPrinterMsg1(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
     if (RunTextPrinters_CheckActive((u8)data[0]) != TRUE)
-        gTasks[taskId].func = sub_8120D40;
+        gTasks[taskId].func = Task_FirstBattleEnterParty_LightenFirstMonIcon;
 }
 
-static void sub_8120D40(u8 taskId)
+static void Task_FirstBattleEnterParty_LightenFirstMonIcon(u8 taskId)
 {
     BeginNormalPaletteFade(0xFFFF0008, 4, 6, 0, RGB_BLACK);
-    gTasks[taskId].func = sub_8120D7C;
+    gTasks[taskId].func = Task_FirstBattleEnterParty_WaitLightenFirstMonIcon;
 }
 
-static void sub_8120D7C(u8 taskId)
+static void Task_FirstBattleEnterParty_WaitLightenFirstMonIcon(u8 taskId)
 {
     if (!gPaletteFade.active)
-        gTasks[taskId].func = sub_8120DAC;
+        gTasks[taskId].func = Task_FirstBattleEnterParty_StartPrintMsg2;
 }
 
-static void sub_8120DAC(u8 taskId)
+static void Task_FirstBattleEnterParty_StartPrintMsg2(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
-    sub_8122084(data[0], gUnknown_8417494);
-    gTasks[taskId].func = sub_8120DE0;
+    PartyMenu_Oak_PrintText(data[0], gText_OakThisIsListOfPokemon);
+    gTasks[taskId].func = Task_FirstBattleEnterParty_RunPrinterMsg2;
 }
 
-static void sub_8120DE0(u8 taskId)
+static void Task_FirstBattleEnterParty_RunPrinterMsg2(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
     if (RunTextPrinters_CheckActive((u8)data[0]) != TRUE)
     {
-        sub_8122110((u8)data[0]);
-        gTasks[taskId].func = sub_8120E1C;
+        FirstBattleEnterParty_DestroyVoiceoverWindow((u8)data[0]);
+        gTasks[taskId].func = Task_FirstBattleEnterParty_FadeNormal;
     }
 }
 
-static void sub_8120E1C(u8 taskId)
+static void Task_FirstBattleEnterParty_FadeNormal(u8 taskId)
 {
     BeginNormalPaletteFade(0x0000FFF7, 4, 6, 0, RGB_BLACK);
-    gTasks[taskId].func = sub_8120E58;
+    gTasks[taskId].func = Task_FirstBattleEnterParty_WaitFadeNormal;
 }
 
-static void sub_8120E58(u8 taskId)
+static void Task_FirstBattleEnterParty_WaitFadeNormal(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
@@ -2038,24 +2040,25 @@ static void sub_8120E58(u8 taskId)
     }
 }
 
-static void sub_8120EBC(u8 taskId)
+// Pokedude switches Pokemon
+static void Task_PartyMenu_Pokedude(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
     data[0] = 0;
-    gTasks[taskId].func = sub_8120EE0;
+    gTasks[taskId].func = Task_PartyMenu_PokedudeStep;
 }
 
-static void sub_8120EE0(u8 taskId)
+static void Task_PartyMenu_PokedudeStep(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
-    if (!gPaletteFade.active && sub_8120F78(taskId) != TRUE)
+    if (!gPaletteFade.active && PartyMenuPokedudeIsCancelled(taskId) != TRUE)
     {
         switch (data[0])
         {
         case 80:
-            UpdateCurrentPartySelection(&gPartyMenu.slotId, 2);
+            UpdateCurrentPartySelection(&gPartyMenu.slotId, MENU_DIR_RIGHT);
             break;
         case 160:
             PlaySE(SE_SELECT);
@@ -2070,18 +2073,18 @@ static void sub_8120EE0(u8 taskId)
     }
 }
 
-static bool8 sub_8120F78(u8 taskId)
+static bool8 PartyMenuPokedudeIsCancelled(u8 taskId)
 {
     if (JOY_NEW(B_BUTTON))
     {
-        sPartyMenuInternal->exitCallback = sub_8120FB0;
+        sPartyMenuInternal->exitCallback = PartyMenuHandlePokedudeCancel;
         Task_ClosePartyMenu(taskId);
         return TRUE;
     }
     return FALSE;
 }
 
-static void sub_8120FB0(void)
+static void PartyMenuHandlePokedudeCancel(void)
 {
     FreeRestoreBattleData();
     LoadPlayerParty();
@@ -2089,19 +2092,20 @@ static void sub_8120FB0(void)
     SetMainCallback2(CB2_ReturnToTeachyTV);
 }
 
-static void sub_8120FCC(u8 taskId)
+// Pokedude uses item on his own Pokemon
+static void Task_PartyMenuFromBag_Pokedude(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
     data[0] = 0;
-    gTasks[taskId].func = sub_8120FF0;
+    gTasks[taskId].func = Task_PartyMenuFromBag_PokedudeStep;
 }
 
-static void sub_8120FF0(u8 taskId)
+static void Task_PartyMenuFromBag_PokedudeStep(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
 
-    if (!gPaletteFade.active && sub_8120F78(taskId) != TRUE)
+    if (!gPaletteFade.active && PartyMenuPokedudeIsCancelled(taskId) != TRUE)
     {
         if (data[0] != 80)
         {
@@ -2612,24 +2616,24 @@ static void RemoveLevelUpStatsWindow(void)
     PartyMenuRemoveWindow(&sPartyMenuInternal->windowId[0]);
 }
 
-static void sub_8122084(u8 windowId, const u8 *str)
+static void PartyMenu_Oak_PrintText(u8 windowId, const u8 *str)
 {
     StringExpandPlaceholders(gStringVar4, str);
     gTextFlags.canABSpeedUpPrint = TRUE;
-    AddTextPrinterParameterized2(windowId, 4, gStringVar4, GetTextSpeedSetting(), 0, 2, 1, 3);
+    AddTextPrinterParameterized2(windowId, 4, gStringVar4, GetTextSpeedSetting(), NULL, 2, 1, 3);
 }
 
-static bool8 sub_81220D4(void)
+static bool8 FirstBattleEnterParty_CreateWindowAndMsg1Printer(void)
 {
-    u8 windowId = AddWindow(&gUnknown_845A170);
+    u8 windowId = AddWindow(&sWindowTemplate_FirstBattleOakVoiceover);
 
     TextWindow_LoadResourcesStdFrame0(windowId, 0x4F, 0xE0);
     DrawDialogFrameWithCustomTileAndPalette(windowId, 1, 0x4F, 0xE);
-    sub_8122084(windowId, gUnknown_8417457);
+    PartyMenu_Oak_PrintText(windowId, gText_OakImportantToGetToKnowPokemonThroughly);
     return windowId;
 }
 
-static void sub_8122110(u8 windowId)
+static void FirstBattleEnterParty_DestroyVoiceoverWindow(u8 windowId)
 {
     ClearWindowTilemap(windowId);
     ClearDialogWindowAndFrameToTransparent(windowId, FALSE);
@@ -5193,7 +5197,7 @@ static void Task_TryLearningNextMove(u8 taskId)
 static void PartyMenuTryEvolution(u8 taskId)
 {
     struct Pokemon *mon = &gPlayerParty[gPartyMenu.slotId];
-    u16 targetSpecies = GetEvolutionTargetSpecies(mon, 0, 0);
+    u16 targetSpecies = GetEvolutionTargetSpecies(mon, EVO_MODE_NORMAL, 0);
 
     if (targetSpecies != SPECIES_NONE)
     {
@@ -5349,7 +5353,7 @@ static void sub_8126BD4(void)
 static bool8 MonCanEvolve(void)
 {
     if (!IsNationalPokedexEnabled()
-     && GetEvolutionTargetSpecies(&gPlayerParty[gPartyMenu.slotId], 2, gSpecialVar_ItemId) > KANTO_DEX_COUNT)
+     && GetEvolutionTargetSpecies(&gPlayerParty[gPartyMenu.slotId], EVO_MODE_ITEM_USE, gSpecialVar_ItemId) > KANTO_DEX_COUNT)
         return FALSE;
     else
         return TRUE;
@@ -5858,16 +5862,16 @@ static u8 GetPartyLayoutFromBattleType(void)
 
 void OpenPartyMenuInTutorialBattle(u8 partyAction)
 {
-    if (!sub_80EB2E0(8) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
+    if (!BtlCtrl_OakOldMan_TestState2Flag(FIRST_BATTLE_MSG_FLAG_PARTY_MENU) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
     {
         InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE,
                       GetPartyLayoutFromBattleType(),
                       partyAction,
                       FALSE,
                       PARTY_MSG_NONE,
-                      sub_8120C3C,
+                      Task_FirstBattleEnterParty_WaitFadeIn,
                       SetCB2ToReshowScreenAfterMenu);
-        sub_80EB2F4(8);
+        BtlCtrl_OakOldMan_SetState2Flag(FIRST_BATTLE_MSG_FLAG_PARTY_MENU);
     }
     else
     {
@@ -5879,36 +5883,36 @@ void OpenPartyMenuInTutorialBattle(u8 partyAction)
                       Task_HandleChooseMonInput,
                       SetCB2ToReshowScreenAfterMenu);
     }
-    nullsub_44();
+    ReshowBattleScreenDummy();
     UpdatePartyToBattleOrder();
 }
 
-void OpenPartyMenuInBattle(void)
+void Pokedude_OpenPartyMenuInBattle(void)
 {
-    InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE, GetPartyLayoutFromBattleType(), PARTY_ACTION_CHOOSE_MON, FALSE, PARTY_MSG_CHOOSE_MON, sub_8120EBC, SetCB2ToReshowScreenAfterMenu);
-    nullsub_44();
+    InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE, GetPartyLayoutFromBattleType(), PARTY_ACTION_CHOOSE_MON, FALSE, PARTY_MSG_CHOOSE_MON, Task_PartyMenu_Pokedude, SetCB2ToReshowScreenAfterMenu);
+    ReshowBattleScreenDummy();
     UpdatePartyToBattleOrder();
 }
 
-void ChooseMonForInBattleItem(void)
+void Pokedude_ChooseMonForInBattleItem(void)
 {
-    InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE, GetPartyLayoutFromBattleType(), PARTY_ACTION_REUSABLE_ITEM, FALSE, PARTY_MSG_USE_ON_WHICH_MON, sub_8120FCC, CB2_BagMenuFromBattle);
-    nullsub_44();
+    InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE, GetPartyLayoutFromBattleType(), PARTY_ACTION_REUSABLE_ITEM, FALSE, PARTY_MSG_USE_ON_WHICH_MON, Task_PartyMenuFromBag_Pokedude, CB2_BagMenuFromBattle);
+    ReshowBattleScreenDummy();
     UpdatePartyToBattleOrder();
 }
 
-void sub_81279E0(void)
+void EnterPartyFromItemMenuInBattle(void)
 {
-    if (!sub_80EB2E0(8) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
+    if (!BtlCtrl_OakOldMan_TestState2Flag(FIRST_BATTLE_MSG_FLAG_PARTY_MENU) && (gBattleTypeFlags & BATTLE_TYPE_FIRST_BATTLE))
     {
         InitPartyMenu(PARTY_MENU_TYPE_IN_BATTLE,
                       GetPartyLayoutFromBattleType(),
                       PARTY_ACTION_USE_ITEM,
                       FALSE,
                       PARTY_MSG_NONE,
-                      sub_8120C3C,
+                      Task_FirstBattleEnterParty_WaitFadeIn,
                       CB2_BagMenuFromBattle);
-        sub_80EB2F4(8);
+        BtlCtrl_OakOldMan_SetState2Flag(FIRST_BATTLE_MSG_FLAG_PARTY_MENU);
     }
     else
     {
@@ -5926,7 +5930,7 @@ void sub_81279E0(void)
                       Task_HandleChooseMonInput,
                       callback);
     }
-    nullsub_44();
+    ReshowBattleScreenDummy();
     UpdatePartyToBattleOrder();
 }
 
@@ -5973,7 +5977,7 @@ static bool8 TrySwitchInPokemon(void)
         StringExpandPlaceholders(gStringVar4, gText_EggCantBattle);
         return FALSE;
     }
-    if (GetPartyIdFromBattleSlot(slot) == gBattleStruct->field_8B)
+    if (GetPartyIdFromBattleSlot(slot) == gBattleStruct->playerPartyIdx)
     {
         GetMonNickname(&gPlayerParty[slot], gStringVar1);
         StringExpandPlaceholders(gStringVar4, gText_PkmnAlreadySelected);
@@ -6061,7 +6065,7 @@ static void BufferBattlePartyOrder(u8 *partyBattleOrder, u8 flankId)
 
 void BufferBattlePartyCurrentOrderBySide(u8 battlerId, u8 flankId)
 {
-    BufferBattlePartyOrderBySide(gBattleStruct->field_60[battlerId], flankId, battlerId);
+    BufferBattlePartyOrderBySide(gBattleStruct->battlerPartyOrders[battlerId], flankId, battlerId);
 }
 
 // when GetBattlerSide(battlerId) == B_SIDE_PLAYER, this function is identical the one above
@@ -6139,7 +6143,7 @@ void SwitchPartyOrderLinkMulti(u8 battlerId, u8 slot, u8 slot2)
 
     if (IsMultiBattle())
     {
-        partyBattleOrder = gBattleStruct->field_60[battlerId];
+        partyBattleOrder = gBattleStruct->battlerPartyOrders[battlerId];
         for (i = j = 0; i < 3; ++j, ++i)
         {
             partyIds[j] = partyBattleOrder[i] >> 4;
diff --git a/src/pokeball.c b/src/pokeball.c
index 69bab3e90..ba44a2771 100644
--- a/src/pokeball.c
+++ b/src/pokeball.c
@@ -775,7 +775,7 @@ static void SpriteCB_ReleaseMonFromBall(struct Sprite *sprite)
 
         species = GetMonData(mon, MON_DATA_SPECIES);
         if ((battlerId == GetBattlerAtPosition(B_POSITION_PLAYER_LEFT) || battlerId == GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT))
-         && IsDoubleBattle() && gBattleSpritesDataPtr->animationData->field_9_x1)
+         && IsDoubleBattle() && gBattleSpritesDataPtr->animationData->healthboxSlideInStarted)
         {
             if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
             {
@@ -788,7 +788,7 @@ static void SpriteCB_ReleaseMonFromBall(struct Sprite *sprite)
             }
         }
 
-        if (!IsDoubleBattle() || !gBattleSpritesDataPtr->animationData->field_9_x1)
+        if (!IsDoubleBattle() || !gBattleSpritesDataPtr->animationData->healthboxSlideInStarted)
             wantedCryCase = 0;
         else if (battlerId == GetBattlerAtPosition(B_POSITION_PLAYER_LEFT) || battlerId == GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT))
             wantedCryCase = 1;
@@ -949,7 +949,7 @@ static void SpriteCB_PlayerMonSendOut_2(struct Sprite *sprite)
             sprite->sBattler = sprite->oam.affineParam & 0xFF;
             sprite->data[0] = 0;
 
-            if (IsDoubleBattle() && gBattleSpritesDataPtr->animationData->field_9_x1
+            if (IsDoubleBattle() && gBattleSpritesDataPtr->animationData->healthboxSlideInStarted
              && sprite->sBattler == GetBattlerAtPosition(B_POSITION_PLAYER_RIGHT))
                 sprite->callback = SpriteCB_ReleaseMon2FromBall;
             else
@@ -975,7 +975,7 @@ static void SpriteCB_OpponentMonSendOut(struct Sprite *sprite)
     if (sprite->data[0] > 15)
     {
         sprite->data[0] = 0;
-        if (IsDoubleBattle() && gBattleSpritesDataPtr->animationData->field_9_x1
+        if (IsDoubleBattle() && gBattleSpritesDataPtr->animationData->healthboxSlideInStarted
          && sprite->sBattler == GetBattlerAtPosition(B_POSITION_OPPONENT_RIGHT))
             sprite->callback = SpriteCB_ReleaseMon2FromBall;
         else
@@ -1167,7 +1167,7 @@ void DestroySpriteAndFreeResources2(struct Sprite *sprite)
     DestroySpriteAndFreeResources(sprite);
 }
 
-void sub_804BD94(u8 battlerId)
+void StartHealthboxSlideIn(u8 battlerId)
 {
     struct Sprite *healthboxSprite = &gSprites[gHealthboxSpriteIds[battlerId]];
 
diff --git a/src/pokemon.c b/src/pokemon.c
index b523c4cb9..f8c03ea02 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -30,6 +30,7 @@
 #include "constants/abilities.h"
 #include "constants/moves.h"
 #include "constants/songs.h"
+#include "constants/item_effects.h"
 #include "constants/trainer_classes.h"
 #include "constants/facility_trainer_classes.h"
 #include "constants/hold_effects.h"
@@ -72,7 +73,7 @@ static u16 GetDeoxysStat(struct Pokemon *mon, s32 statId);
 static bool8 IsShinyOtIdPersonality(u32 otId, u32 personality);
 static u16 ModifyStatByNature(u8 nature, u16 n, u8 statIndex);
 static u8 GetNatureFromPersonality(u32 personality);
-static bool8 sub_8042BE8(struct Pokemon *mon, u32 unused, u32 healMask, u8 battleId);
+static bool8 PartyMonHasStatus(struct Pokemon *mon, u32 unused, u32 healMask, u8 battleId);
 static bool8 HealStatusConditions(struct Pokemon *mon, u32 unused, u32 healMask, u8 battleId);
 static bool8 IsPokemonStorageFull(void);
 static u8 SendMonToPC(struct Pokemon* mon);
@@ -1472,101 +1473,101 @@ static const u8 sHoldEffectToType[][2] =
     {HOLD_EFFECT_NORMAL_POWER, TYPE_NORMAL},
 };
 
-const struct SpriteTemplate gUnknown_825DEF0[] = 
+const struct SpriteTemplate gSpriteTemplates_Battlers[] = 
 {
-    {
+    [B_POSITION_PLAYER_LEFT] = {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
-        .images = gUnknown_8234698,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .images = gSpriteImages_BattlerPlayerLeft,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
-    {
+    [B_POSITION_OPPONENT_LEFT] = {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F010,
+        .oam = &gOamData_BattlerOpponent,
         .anims = NULL, 
-        .images = gUnknown_82346B8,
-        .affineAnims = gSpriteAffineAnimTable_8234944,
-        .callback = SpriteCB_WildMon,
+        .images = gSpriteImages_BattlerOpponentLeft,
+        .affineAnims = gSpriteAffineAnimTable_BattlerOpponent,
+        .callback = SpriteCB_EnemyMon,
     },
-    {
+    [B_POSITION_PLAYER_RIGHT] = {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
-        .images = gUnknown_82346D8,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .images = gSpriteImages_BattlerPlayerRight,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
-    {
+    [B_POSITION_OPPONENT_RIGHT] = {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F010,
+        .oam = &gOamData_BattlerOpponent,
         .anims = NULL, 
-        .images = gUnknown_82346F8,
-        .affineAnims = gSpriteAffineAnimTable_8234944,
-        .callback = SpriteCB_WildMon,
+        .images = gSpriteImages_BattlerOpponentRight,
+        .affineAnims = gSpriteAffineAnimTable_BattlerOpponent,
+        .callback = SpriteCB_EnemyMon,
     },
 };
 
-const struct SpriteTemplate gUnknown_825DF50[] = 
+const struct SpriteTemplate gSpriteTemplates_TrainerBackpics[] = 
 {
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_Red,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_Leaf,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_RSBrendan,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_RSMay,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_Pokedude,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
     {
         .tileTag = SPRITE_INVALID_TAG,
         .paletteTag = 0,
-        .oam = &gOamData_824F018,
+        .oam = &gOamData_BattlerPlayer,
         .anims = NULL, 
         .images = gTrainerBackPicTable_OldMan,
-        .affineAnims = gSpriteAffineAnimTable_82348C8,
-        .callback = sub_80120C4,
+        .affineAnims = gSpriteAffineAnimTable_BattlerPlayer,
+        .callback = SpriteCB_AllyMon,
     },
 };
 
@@ -1586,7 +1587,7 @@ static const u8 sGetMonDataEVConstants[] =
     MON_DATA_SPATK_EV
 };
 
-static const u8 gUnknown_825DFF0[] = 
+static const u8 sStatsToRaise[] = 
 {
     STAT_ATK, STAT_ATK, STAT_SPEED, STAT_DEF, STAT_SPATK, STAT_ACC
 };
@@ -1986,7 +1987,7 @@ static void CreateEventLegalMon(struct Pokemon *mon, u16 species, u8 level, u8 f
     SetMonData(mon, MON_DATA_EVENT_LEGAL, &isEventLegal);
 }
 
-void sub_803E23C(struct Pokemon *mon, struct BattleTowerPokemon *dest)
+void ConvertPokemonToBattleTowerPokemon(struct Pokemon *mon, struct BattleTowerPokemon *dest)
 {
     s32 i;
     u16 heldItem;
@@ -2716,7 +2717,7 @@ void SetMultiuseSpriteTemplateToPokemon(u16 speciesTag, u8 battlerPosition)
             if (battlerPosition >= 4)
                 battlerPosition = 0;
 
-            gMultiuseSpriteTemplate = gUnknown_825DEF0[battlerPosition];
+            gMultiuseSpriteTemplate = gSpriteTemplates_Battlers[battlerPosition];
         }
     }
     gMultiuseSpriteTemplate.paletteTag = speciesTag;
@@ -2728,7 +2729,7 @@ void SetMultiuseSpriteTemplateToTrainerBack(u16 trainerSpriteId, u8 battlerPosit
     gMultiuseSpriteTemplate.paletteTag = trainerSpriteId;
     if (battlerPosition == B_POSITION_PLAYER_LEFT || battlerPosition == B_POSITION_PLAYER_RIGHT)
     {
-        gMultiuseSpriteTemplate = gUnknown_825DF50[trainerSpriteId];
+        gMultiuseSpriteTemplate = gSpriteTemplates_TrainerBackpics[trainerSpriteId];
         gMultiuseSpriteTemplate.anims = gTrainerBackAnimsPtrTable[trainerSpriteId];
     }
     else
@@ -2736,7 +2737,7 @@ void SetMultiuseSpriteTemplateToTrainerBack(u16 trainerSpriteId, u8 battlerPosit
         if (gMonSpritesGfxPtr != NULL)
             gMultiuseSpriteTemplate = gMonSpritesGfxPtr->templates[battlerPosition];
         else
-            gMultiuseSpriteTemplate = gUnknown_825DEF0[battlerPosition];
+            gMultiuseSpriteTemplate = gSpriteTemplates_Battlers[battlerPosition];
         gMultiuseSpriteTemplate.anims = gTrainerFrontAnimsPtrTable[trainerSpriteId];
     }
 }
@@ -3895,7 +3896,7 @@ static void CopyPlayerPartyMonToBattleData(u8 battlerId, u8 partyIndex)
         gBattleMons[battlerId].statStages[i] = 6;
 
     gBattleMons[battlerId].status2 = 0;
-    sub_80174B8(battlerId);
+    UpdateSentPokesToOpponentValue(battlerId);
     ClearTemporarySpeciesSpriteData(battlerId, FALSE);
 }
 
@@ -3911,14 +3912,14 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
     s32 cmdIndex;
     bool8 retVal = TRUE;
     const u8 *itemEffect;
-    u8 sp24 = 6;
-    u32 sp28;
-    s8 sp2C = 0;
+    u8 idx = 6;
+    u32 i;
+    s8 friendshipDelta = 0;
     u8 holdEffect;
-    u8 sp34 = 4;
+    u8 battleMonId = 4;
     u16 heldItem;
-    u8 r10;
-    u32 r4;
+    u8 val;
+    u32 evDelta;
 
     heldItem = GetMonData(mon, MON_DATA_HELD_ITEM, NULL);
     if (heldItem == ITEM_ENIGMA_BERRY)
@@ -3942,7 +3943,7 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
         {
             if (gBattlerPartyIndexes[cmdIndex] == partyIndex)
             {
-                sp34 = cmdIndex;
+                battleMonId = cmdIndex;
                 break;
             }
             cmdIndex += 2;
@@ -3951,12 +3952,12 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
     else
     {
         gActiveBattler = 0;
-        sp34 = 4;
+        battleMonId = 4;
     }
 
     if (!IS_POKEMON_ITEM(item))
         return TRUE;
-    if (gItemEffectTable[item - 13] == NULL && item != ITEM_ENIGMA_BERRY)
+    if (gItemEffectTable[item - ITEM_POTION] == NULL && item != ITEM_ENIGMA_BERRY)
         return TRUE;
 
     if (item == ITEM_ENIGMA_BERRY)
@@ -3968,7 +3969,7 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
     }
     else
     {
-        itemEffect = gItemEffectTable[item - 13];
+        itemEffect = gItemEffectTable[item - ITEM_POTION];
     }
 
     for (cmdIndex = 0; cmdIndex < 6; cmdIndex++)
@@ -3977,22 +3978,22 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
         {
         // status healing effects
         case 0:
-            if ((itemEffect[cmdIndex] & 0x80)
-             && gMain.inBattle && sp34 != 4 && (gBattleMons[sp34].status2 & STATUS2_INFATUATION))
+            if ((itemEffect[cmdIndex] & ITEM0_INFATUATION)
+                && gMain.inBattle && battleMonId != 4 && (gBattleMons[battleMonId].status2 & STATUS2_INFATUATION))
             {
-                gBattleMons[sp34].status2 &= ~STATUS2_INFATUATION;
+                gBattleMons[battleMonId].status2 &= ~STATUS2_INFATUATION;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0x30)
+            if ((itemEffect[cmdIndex] & ITEM0_HIGH_CRIT)
              && !(gBattleMons[gActiveBattler].status2 & STATUS2_FOCUS_ENERGY))
             {
                 gBattleMons[gActiveBattler].status2 |= STATUS2_FOCUS_ENERGY;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM0_X_ATTACK)
              && gBattleMons[gActiveBattler].statStages[STAT_ATK] < 12)
             {
-                gBattleMons[gActiveBattler].statStages[STAT_ATK] += itemEffect[cmdIndex] & 0xF;
+                gBattleMons[gActiveBattler].statStages[STAT_ATK] += itemEffect[cmdIndex] & ITEM0_X_ATTACK;
                 if (gBattleMons[gActiveBattler].statStages[STAT_ATK] > 12)
                     gBattleMons[gActiveBattler].statStages[STAT_ATK] = 12;
                 retVal = FALSE;
@@ -4000,18 +4001,18 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
             break;
         // in-battle stat boosting effects?
         case 1:
-            if ((itemEffect[cmdIndex] & 0xF0)
+            if ((itemEffect[cmdIndex] & ITEM1_X_DEFEND)
              && gBattleMons[gActiveBattler].statStages[STAT_DEF] < 12)
             {
-                gBattleMons[gActiveBattler].statStages[STAT_DEF] += (itemEffect[cmdIndex] & 0xF0) >> 4;
+                gBattleMons[gActiveBattler].statStages[STAT_DEF] += (itemEffect[cmdIndex] & ITEM1_X_DEFEND) >> 4;
                 if (gBattleMons[gActiveBattler].statStages[STAT_DEF] > 12)
                     gBattleMons[gActiveBattler].statStages[STAT_DEF] = 12;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM1_X_SPEED)
              && gBattleMons[gActiveBattler].statStages[STAT_SPEED] < 12)
             {
-                gBattleMons[gActiveBattler].statStages[STAT_SPEED] += itemEffect[cmdIndex] & 0xF;
+                gBattleMons[gActiveBattler].statStages[STAT_SPEED] += itemEffect[cmdIndex] & ITEM1_X_SPEED;
                 if (gBattleMons[gActiveBattler].statStages[STAT_SPEED] > 12)
                     gBattleMons[gActiveBattler].statStages[STAT_SPEED] = 12;
                 retVal = FALSE;
@@ -4019,31 +4020,31 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
             break;
         // more stat boosting effects?
         case 2:
-            if ((itemEffect[cmdIndex] & 0xF0)
+            if ((itemEffect[cmdIndex] & ITEM2_X_ACCURACY)
              && gBattleMons[gActiveBattler].statStages[STAT_ACC] < 12)
             {
-                gBattleMons[gActiveBattler].statStages[STAT_ACC] += (itemEffect[cmdIndex] & 0xF0) >> 4;
+                gBattleMons[gActiveBattler].statStages[STAT_ACC] += (itemEffect[cmdIndex] & ITEM2_X_ACCURACY) >> 4;
                 if (gBattleMons[gActiveBattler].statStages[STAT_ACC] > 12)
                     gBattleMons[gActiveBattler].statStages[STAT_ACC] = 12;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM2_X_SPATK)
              && gBattleMons[gActiveBattler].statStages[STAT_SPATK] < 12)
             {
-                gBattleMons[gActiveBattler].statStages[STAT_SPATK] += itemEffect[cmdIndex] & 0xF;
+                gBattleMons[gActiveBattler].statStages[STAT_SPATK] += itemEffect[cmdIndex] & ITEM2_X_SPATK;
                 if (gBattleMons[gActiveBattler].statStages[STAT_SPATK] > 12)
                     gBattleMons[gActiveBattler].statStages[STAT_SPATK] = 12;
                 retVal = FALSE;
             }
             break;
         case 3:
-            if ((itemEffect[cmdIndex] & 0x80)
+            if ((itemEffect[cmdIndex] & ITEM3_MIST)
              && gSideTimers[GetBattlerSide(gActiveBattler)].mistTimer == 0)
             {
                 gSideTimers[GetBattlerSide(gActiveBattler)].mistTimer = 5;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0x40)  // raise level
+            if ((itemEffect[cmdIndex] & ITEM3_LEVEL_UP)  // raise level
              && GetMonData(mon, MON_DATA_LEVEL, NULL) != 100)
             {
                 data = gExperienceTables[gBaseStats[GetMonData(mon, MON_DATA_SPECIES, NULL)].growthRate][GetMonData(mon, MON_DATA_LEVEL, NULL) + 1];
@@ -4051,93 +4052,93 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                 CalculateMonStats(mon);
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0x20)
-             && HealStatusConditions(mon, partyIndex, 7, sp34) == 0)
+            if ((itemEffect[cmdIndex] & ITEM3_SLEEP)
+             && HealStatusConditions(mon, partyIndex, STATUS1_SLEEP, battleMonId) == 0)
             {
-                if (sp34 != 4)
-                    gBattleMons[sp34].status2 &= ~STATUS2_NIGHTMARE;
+                if (battleMonId != 4)
+                    gBattleMons[battleMonId].status2 &= ~STATUS2_NIGHTMARE;
                 retVal = FALSE;
             }
-            if ((itemEffect[cmdIndex] & 0x10) && HealStatusConditions(mon, partyIndex, 0xF88, sp34) == 0)
+            if ((itemEffect[cmdIndex] & ITEM3_POISON) && HealStatusConditions(mon, partyIndex, STATUS1_PSN_ANY | STATUS1_TOXIC_COUNTER, battleMonId) == 0)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 8) && HealStatusConditions(mon, partyIndex, 16, sp34) == 0)
+            if ((itemEffect[cmdIndex] & ITEM3_BURN) && HealStatusConditions(mon, partyIndex, STATUS1_BURN, battleMonId) == 0)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 4) && HealStatusConditions(mon, partyIndex, 32, sp34) == 0)
+            if ((itemEffect[cmdIndex] & ITEM3_FREEZE) && HealStatusConditions(mon, partyIndex, STATUS1_FREEZE, battleMonId) == 0)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 2) && HealStatusConditions(mon, partyIndex, 64, sp34) == 0)
+            if ((itemEffect[cmdIndex] & ITEM3_PARALYSIS) && HealStatusConditions(mon, partyIndex, STATUS1_PARALYSIS, battleMonId) == 0)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 1)  // heal confusion
-             && gMain.inBattle && sp34 != 4 && (gBattleMons[sp34].status2 & STATUS2_CONFUSION))
+            if ((itemEffect[cmdIndex] & ITEM3_CONFUSION)  // heal confusion
+             && gMain.inBattle && battleMonId != 4 && (gBattleMons[battleMonId].status2 & STATUS2_CONFUSION))
             {
-                gBattleMons[sp34].status2 &= ~STATUS2_CONFUSION;
+                gBattleMons[battleMonId].status2 &= ~STATUS2_CONFUSION;
                 retVal = FALSE;
             }
             break;
         // EV, HP, and PP raising effects
         case 4:
-            r10 = itemEffect[cmdIndex];
-            if (r10 & 0x20)
+            val = itemEffect[cmdIndex];
+            if (val & ITEM4_PP_UP)
             {
-                r10 &= ~0x20;
+                val &= ~ITEM4_PP_UP;
                 data = (GetMonData(mon, MON_DATA_PP_BONUSES, NULL) & gPPUpGetMask[moveIndex]) >> (moveIndex * 2);
-                sp28 = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
-                if (data < 3 && sp28 > 4)
+                i = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
+                if (data < 3 && i > 4)
                 {
                     data = GetMonData(mon, MON_DATA_PP_BONUSES, NULL) + gPPUpAddMask[moveIndex];
                     SetMonData(mon, MON_DATA_PP_BONUSES, &data);
 
-                    data = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - sp28;
+                    data = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - i;
                     data = GetMonData(mon, MON_DATA_PP1 + moveIndex, NULL) + data;
                     SetMonData(mon, MON_DATA_PP1 + moveIndex, &data);
                     retVal = FALSE;
                 }
             }
-            sp28 = 0;
-            while (r10 != 0)
+            i = 0;
+            while (val != 0)
             {
-                if (r10 & 1)
+                if (val & 1)
                 {
                     u16 evCount;
                     s32 r5;
      
-                    switch (sp28)
+                    switch (i)
                     {
-                    case 0:
-                    case 1:
+                    case 0: // EV_HP
+                    case 1: // EV_ATK
                         evCount = GetMonEVCount(mon);
                         if (evCount >= 510)
                             return TRUE;
-                        data = GetMonData(mon, sGetMonDataEVConstants[sp28], NULL);
+                        data = GetMonData(mon, sGetMonDataEVConstants[i], NULL);
                         if (data < 100)
                         {
-                            if (data + itemEffect[sp24] > 100)
-                                r4 = 100 - (data + itemEffect[sp24]) + itemEffect[sp24];
+                            if (data + itemEffect[idx] > 100)
+                                evDelta = 100 - (data + itemEffect[idx]) + itemEffect[idx];
                             else
-                                r4 = itemEffect[sp24];
-                            if (evCount + r4 > 510)
-                                r4 += 510 - (evCount + r4);
-                            data += r4;
-                            SetMonData(mon, sGetMonDataEVConstants[sp28], &data);
+                                evDelta = itemEffect[idx];
+                            if (evCount + evDelta > 510)
+                                evDelta += 510 - (evCount + evDelta);
+                            data += evDelta;
+                            SetMonData(mon, sGetMonDataEVConstants[i], &data);
                             CalculateMonStats(mon);
-                            sp24++;
+                            idx++;
                             retVal = FALSE;
                         }
                         break;
-                    case 2:
+                    case 2: // HEAL_HP
                         // revive?
-                        if (r10 & 0x10)
+                        if (val & (ITEM4_REVIVE >> 2))
                         {
                             if (GetMonData(mon, MON_DATA_HP, NULL) != 0)
                             {
-                                sp24++;
+                                idx++;
                                 break;
                             }
                             if (gMain.inBattle)
                             {
-                                if (sp34 != 4)
+                                if (battleMonId != 4)
                                 {
-                                    gAbsentBattlerFlags &= ~gBitTable[sp34];
-                                    CopyPlayerPartyMonToBattleData(sp34, GetPartyIdFromBattlePartyId(gBattlerPartyIndexes[sp34]));
+                                    gAbsentBattlerFlags &= ~gBitTable[battleMonId];
+                                    CopyPlayerPartyMonToBattleData(battleMonId, GetPartyIdFromBattlePartyId(gBattlerPartyIndexes[battleMonId]));
                                     if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER && gBattleResults.numRevivesUsed < 255)
                                         gBattleResults.numRevivesUsed++;
                                 }
@@ -4153,11 +4154,11 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                         {
                             if (GetMonData(mon, MON_DATA_HP, NULL) == 0)
                             {
-                                sp24++;
+                                idx++;
                                 break;
                             }
                         }
-                        data = itemEffect[sp24++];
+                        data = itemEffect[idx++];
                         switch (data)
                         {
                         case 0xFF:
@@ -4180,16 +4181,16 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                                 if (data > GetMonData(mon, MON_DATA_MAX_HP, NULL))
                                     data = GetMonData(mon, MON_DATA_MAX_HP, NULL);
                                 SetMonData(mon, MON_DATA_HP, &data);
-                                if (gMain.inBattle && sp34 != 4)
+                                if (gMain.inBattle && battleMonId != 4)
                                 {
-                                    gBattleMons[sp34].hp = data;
-                                    if (!(r10 & 0x10) && GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
+                                    gBattleMons[battleMonId].hp = data;
+                                    if (!(val & (ITEM4_REVIVE >> 2)) && GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
                                     {
                                         if (gBattleResults.numHealingItemsUsed < 255)
                                             gBattleResults.numHealingItemsUsed++;
                                         // I have to re-use this variable to match.
                                         r5 = gActiveBattler;
-                                        gActiveBattler = sp34;
+                                        gActiveBattler = battleMonId;
                                         BtlController_EmitGetMonData(0, 0, 0);
                                         MarkBattlerForControllerExec(gActiveBattler);
                                         gActiveBattler = r5;
@@ -4202,63 +4203,63 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                             }
                             retVal = FALSE;
                         }
-                        r10 &= 0xEF;
+                        val &= ~(ITEM4_REVIVE >> 2);
                         break;
-                    case 3:
-                        if (!(r10 & 2))
+                    case 3: // HEAL_PP_ALL
+                        if (!(val & (ITEM4_HEAL_PP_ONE >> 3)))
                         {
                             for (r5 = 0; r5 < 4; r5++)
                             {
-                                u16 r4;
+                                u16 move_id;
 
                                 data = GetMonData(mon, MON_DATA_PP1 + r5, NULL);
-                                r4 = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
-                                if (data != CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5))
+                                move_id = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
+                                if (data != CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5))
                                 {
-                                    data += itemEffect[sp24];
-                                    r4 = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
-                                    if (data > CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5))
+                                    data += itemEffect[idx];
+                                    move_id = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
+                                    if (data > CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5))
                                     {
-                                        r4 = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
-                                        data = CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5);
+                                        move_id = GetMonData(mon, MON_DATA_MOVE1 + r5, NULL);
+                                        data = CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), r5);
                                     }
                                     SetMonData(mon, MON_DATA_PP1 + r5, &data);
                                     if (gMain.inBattle
-                                     && sp34 != 4 && !(gBattleMons[sp34].status2 & 0x200000)
-                                     && !(gDisableStructs[sp34].mimickedMoves & gBitTable[r5]))
-                                        gBattleMons[sp34].pp[r5] = data;
+                                        && battleMonId != 4 && !(gBattleMons[battleMonId].status2 & STATUS2_TRANSFORMED)
+                                        && !(gDisableStructs[battleMonId].mimickedMoves & gBitTable[r5]))
+                                        gBattleMons[battleMonId].pp[r5] = data;
                                     retVal = FALSE;
                                 }
                             }
-                            sp24++;
+                            idx++;
                         }
                         else
                         {
-                            u16 r4;
+                            u16 move_id;
 
                             data = GetMonData(mon, MON_DATA_PP1 + moveIndex, NULL);
-                            r4 = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
-                            if (data != CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex))
+                            move_id = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
+                            if (data != CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex))
                             {
-                                data += itemEffect[sp24++];
-                                r4 = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
-                                if (data > CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex))
+                                data += itemEffect[idx++];
+                                move_id = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
+                                if (data > CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex))
                                 {
-                                    r4 = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
-                                    data = CalculatePPWithBonus(r4, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
+                                    move_id = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
+                                    data = CalculatePPWithBonus(move_id, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
                                 }
                                 SetMonData(mon, MON_DATA_PP1 + moveIndex, &data);
                                 if (gMain.inBattle
-                                 && sp34 != 4 && !(gBattleMons[sp34].status2 & 0x200000)
-                                 && !(gDisableStructs[sp34].mimickedMoves & gBitTable[moveIndex]))
-                                    gBattleMons[sp34].pp[moveIndex] = data;
+                                    && battleMonId != 4 && !(gBattleMons[battleMonId].status2 & STATUS2_TRANSFORMED)
+                                    && !(gDisableStructs[battleMonId].mimickedMoves & gBitTable[moveIndex]))
+                                    gBattleMons[battleMonId].pp[moveIndex] = data;
                                 retVal = FALSE;
                             }
                         }
                         break;
-                    case 7:
+                    case 7: // EVO_STONE
                         {
-                            u16 targetSpecies = GetEvolutionTargetSpecies(mon, 2, item);
+                            u16 targetSpecies = GetEvolutionTargetSpecies(mon, EVO_MODE_ITEM_USE, item);
 
                             if (targetSpecies != SPECIES_NONE)
                             {
@@ -4269,70 +4270,70 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                         break;
                     }
                 }
-                sp28++;
-                r10 >>= 1;
+                i++;
+                val >>= 1;
             }
             break;
         case 5:
-            r10 = itemEffect[cmdIndex];
-            sp28 = 0;
-            while (r10 != 0)
+            val = itemEffect[cmdIndex];
+            i = 0;
+            while (val != 0)
             {
-                if (r10 & 1)
+                if (val & 1)
                 {
                     u16 evCount;
 
-                    switch (sp28)
+                    switch (i)
                     {
-                    case 0:
-                    case 1:
-                    case 2:
-                    case 3:
+                    case 0: // EV_DEF
+                    case 1: // EV_SPEED
+                    case 2: // EV_SPDEF
+                    case 3: // EV_SPATK
                         evCount = GetMonEVCount(mon);
                         if (evCount >= 510)
                             return TRUE;
-                        data = GetMonData(mon, sGetMonDataEVConstants[sp28 + 2], NULL);
+                        data = GetMonData(mon, sGetMonDataEVConstants[i + 2], NULL);
                         if (data < 100)
                         {
-                            if (data + itemEffect[sp24] > 100)
-                                r4 = 100 - (data + itemEffect[sp24]) + itemEffect[sp24];
+                            if (data + itemEffect[idx] > 100)
+                                evDelta = 100 - (data + itemEffect[idx]) + itemEffect[idx];
                             else
-                                r4 = itemEffect[sp24];
-                            if (evCount + r4 > 510)
-                                r4 += 510 - (evCount + r4);
-                            data += r4;
-                            SetMonData(mon, sGetMonDataEVConstants[sp28 + 2], &data);
+                                evDelta = itemEffect[idx];
+                            if (evCount + evDelta > 510)
+                                evDelta += 510 - (evCount + evDelta);
+                            data += evDelta;
+                            SetMonData(mon, sGetMonDataEVConstants[i + 2], &data);
                             CalculateMonStats(mon);
                             retVal = FALSE;
-                            sp24++;
+                            idx++;
                         }
                         break;
-                    case 4:
+                    case 4: // PP_MAX
                         data = (GetMonData(mon, MON_DATA_PP_BONUSES, NULL) & gPPUpGetMask[moveIndex]) >> (moveIndex * 2);
                         if (data < 3)
                         {
-                            r4 = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
+                            evDelta = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
                             data = GetMonData(mon, MON_DATA_PP_BONUSES, NULL);
                             data &= gPPUpSetMask[moveIndex];
                             data += gPPUpAddMask[moveIndex] * 3;
 
                             SetMonData(mon, MON_DATA_PP_BONUSES, &data);
-                            data = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - r4;
+                            data = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - evDelta;
                             data = GetMonData(mon, MON_DATA_PP1 + moveIndex, NULL) + data;
                             SetMonData(mon, MON_DATA_PP1 + moveIndex, &data);
                             retVal = FALSE;
                         }
                         break;
-                    case 5:
-                        if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) < 100 && retVal == 0 && sp2C == 0)
+                    case 5: // FRIENDSHIP_LOW
+                        if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) < 100 && retVal == 0 && friendshipDelta == 0)
                         {
-                            sp2C = itemEffect[sp24];
+                            friendshipDelta = itemEffect[idx];
                             friendship = GetMonData(mon, MON_DATA_FRIENDSHIP, NULL);
-                            if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
-                                friendship += 150 * sp2C / 100;
+                            if (friendshipDelta > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
+                                friendship += 150 * friendshipDelta / 100;
                             else
-                                friendship += sp2C;
-                            if (sp2C > 0)
+                                friendship += friendshipDelta;
+                            if (friendshipDelta > 0)
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
@@ -4345,19 +4346,19 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                                 friendship = 255;
                             SetMonData(mon, MON_DATA_FRIENDSHIP, &friendship);
                         }
-                        sp24++;
+                        idx++;
                         break;
-                    case 6:
+                    case 6: // FRIENDSHIP_MID
                         if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) >= 100 && GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) < 200
-                         && retVal == 0 && sp2C == 0)
+                            && retVal == 0 && friendshipDelta == 0)
                         {
-                            sp2C = itemEffect[sp24];
+                            friendshipDelta = itemEffect[idx];
                             friendship = GetMonData(mon, MON_DATA_FRIENDSHIP, NULL);
-                            if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
-                                friendship += 150 * sp2C / 100;
+                            if (friendshipDelta > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
+                                friendship += 150 * friendshipDelta / 100;
                             else
-                                friendship += sp2C;
-                            if (sp2C > 0)
+                                friendship += friendshipDelta;
+                            if (friendshipDelta > 0)
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
@@ -4370,18 +4371,18 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                                 friendship = 255;
                             SetMonData(mon, MON_DATA_FRIENDSHIP, &friendship);
                         }
-                        sp24++;
+                        idx++;
                         break;
-                    case 7:
-                        if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) >= 200 && retVal == 0 && sp2C == 0)
+                    case 7: // FRIENDSHIP_HIGH
+                        if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) >= 200 && retVal == 0 && friendshipDelta == 0)
                         {
-                            sp2C = itemEffect[sp24];
+                            friendshipDelta = itemEffect[idx];
                             friendship = GetMonData(mon, MON_DATA_FRIENDSHIP, NULL);
-                            if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
-                                friendship += 150 * sp2C / 100;
+                            if (friendshipDelta > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP)
+                                friendship += 150 * friendshipDelta / 100;
                             else
-                                friendship += sp2C;
-                            if (sp2C > 0)
+                                friendship += friendshipDelta;
+                            if (friendshipDelta > 0)
                             {
                                 if (GetMonData(mon, MON_DATA_POKEBALL, NULL) == 11)
                                     friendship++;
@@ -4394,12 +4395,12 @@ bool8 PokemonUseItemEffects(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mov
                                 friendship = 255;
                             SetMonData(mon, MON_DATA_FRIENDSHIP, &friendship);
                         }
-                        sp24++;
+                        idx++;
                         break;
                     }
                 }
-                sp28++;
-                r10 >>= 1;
+                i++;
+                val >>= 1;
             }
             break;
         }
@@ -4432,7 +4433,7 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
     s32 cmdIndex;
     bool8 retVal = TRUE;
     const u8 *itemEffect;
-    u8 r10 = 6;
+    u8 idx = 6;
     u32 i;
     s32 sp18 = 0;
     u8 holdEffect;
@@ -4476,7 +4477,7 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
     }
     if (!IS_POKEMON_ITEM(item))
         return TRUE;
-    if (gItemEffectTable[item - 13] == NULL && item != ITEM_ENIGMA_BERRY)
+    if (gItemEffectTable[item - ITEM_POTION] == NULL && item != ITEM_ENIGMA_BERRY)
         return TRUE;
     if (item == ITEM_ENIGMA_BERRY)
     {
@@ -4495,64 +4496,64 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
         {
         // status healing effects
         case 0:
-            if (itemEffect[cmdIndex] & 0x80
+            if (itemEffect[cmdIndex] & ITEM0_INFATUATION
              && gMain.inBattle
              && battlerId != 4
              && gBattleMons[battlerId].status2 & STATUS2_INFATUATION)
                 retVal = FALSE;
-            if (itemEffect[cmdIndex] & 0x30
+            if (itemEffect[cmdIndex] & ITEM0_HIGH_CRIT
              && !(gBattleMons[gActiveBattler].status2 & STATUS2_FOCUS_ENERGY))
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM0_X_ATTACK)
              && gBattleMons[gActiveBattler].statStages[STAT_ATK] < 12)
                 retVal = FALSE;
             break;
         // in-battle stat boosting effects?
         case 1:
-            if ((itemEffect[cmdIndex] & 0xF0)
+            if ((itemEffect[cmdIndex] & ITEM1_X_DEFEND)
              && gBattleMons[gActiveBattler].statStages[STAT_DEF] < 12)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM1_X_SPEED)
              && gBattleMons[gActiveBattler].statStages[STAT_SPEED] < 12)
                 retVal = FALSE;
             break;
         // more stat boosting effects?
         case 2:
-            if ((itemEffect[cmdIndex] & 0xF0)
+            if ((itemEffect[cmdIndex] & ITEM2_X_ACCURACY)
              && gBattleMons[gActiveBattler].statStages[STAT_ACC] < 12)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0xF)
+            if ((itemEffect[cmdIndex] & ITEM2_X_SPATK)
              && gBattleMons[gActiveBattler].statStages[STAT_SPATK] < 12)
                 retVal = FALSE;
             break;
         case 3:
-            if ((itemEffect[cmdIndex] & 0x80)
+            if ((itemEffect[cmdIndex] & ITEM3_MIST)
              && gSideTimers[GetBattlerSide(gActiveBattler)].mistTimer == 0)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0x40)  // raise level
+            if ((itemEffect[cmdIndex] & ITEM3_LEVEL_UP)  // raise level
              && GetMonData(mon, MON_DATA_LEVEL, NULL) != 100)
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0x20)
-             && sub_8042BE8(mon, partyIndex, 7, battlerId))
+            if ((itemEffect[cmdIndex] & ITEM3_SLEEP)
+             && PartyMonHasStatus(mon, partyIndex, STATUS1_SLEEP, battlerId))
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 0x10) && sub_8042BE8(mon, partyIndex, 0xF88, battlerId))
+            if ((itemEffect[cmdIndex] & ITEM3_POISON) && PartyMonHasStatus(mon, partyIndex, STATUS1_PSN_ANY | STATUS1_TOXIC_COUNTER, battlerId))
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 8) && sub_8042BE8(mon, partyIndex, 16, battlerId))
+            if ((itemEffect[cmdIndex] & ITEM3_BURN) && PartyMonHasStatus(mon, partyIndex, STATUS1_BURN, battlerId))
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 4) && sub_8042BE8(mon, partyIndex, 32, battlerId))
+            if ((itemEffect[cmdIndex] & ITEM3_FREEZE) && PartyMonHasStatus(mon, partyIndex, STATUS1_FREEZE, battlerId))
                 retVal = FALSE;
-            if ((itemEffect[cmdIndex] & 2) && sub_8042BE8(mon, partyIndex, 64, battlerId))
+            if ((itemEffect[cmdIndex] & ITEM3_PARALYSIS) && PartyMonHasStatus(mon, partyIndex, STATUS1_PARALYSIS, battlerId))
                 retVal = FALSE;
-            if (itemEffect[cmdIndex] & 1 // heal confusion
+            if (itemEffect[cmdIndex] & ITEM3_CONFUSION // heal confusion
              && gMain.inBattle && battlerId != 4 && (gBattleMons[battlerId].status2 & STATUS2_CONFUSION))
                 retVal = FALSE;
             break;
         // EV, HP, and PP raising effects
         case 4:
             curEffect = itemEffect[cmdIndex];
-            if (curEffect & 0x20)
+            if (curEffect & ITEM4_PP_UP)
             {
-                curEffect &= ~0x20;
+                curEffect &= ~ITEM4_PP_UP;
                 data = (GetMonData(mon, MON_DATA_PP_BONUSES, NULL) & gPPUpGetMask[moveIndex]) >> (moveIndex * 2);
                 i = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
                 if (data < 3 && i > 4)
@@ -4565,24 +4566,24 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
                 {
                     switch (i)
                     {
-                    case 0:
-                    case 1:
+                    case 0: // EV_HP
+                    case 1: // EV_ATK
                         if (GetMonEVCount(mon) >= 510)
                             return TRUE;
                         data = GetMonData(mon, sGetMonDataEVConstants[i], NULL);
                         if (data < 100)
                         {
-                            r10++;
+                            idx++;
                             retVal = FALSE;
                         }
                         break;
-                    case 2:
+                    case 2: // HEAL_HP
                         // revive?
-                        if (curEffect & 0x10)
+                        if (curEffect & (ITEM4_REVIVE >> 2))
                         {
                             if (GetMonData(mon, MON_DATA_HP, NULL) != 0)
                             {
-                                r10++;
+                                idx++;
                                 break;
                             }
                         }
@@ -4590,17 +4591,17 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
                         {
                             if (GetMonData(mon, MON_DATA_HP, NULL) == 0)
                             {
-                                r10++;
+                                idx++;
                                 break;
                             }
                         }
                         if (GetMonData(mon, MON_DATA_MAX_HP, NULL) != GetMonData(mon, MON_DATA_HP, NULL))
                             retVal = FALSE;
-                        r10++;
-                        curEffect &= 0xEF;
+                        idx++;
+                        curEffect &= ~(ITEM4_REVIVE >> 2);
                         break;
                     case 3:
-                        if (!(curEffect & 2))
+                        if (!(curEffect & (ITEM4_HEAL_PP_ONE >> 3)))
                         {
                             for (tmp = 0; tmp < MAX_MON_MOVES; tmp++)
                             {
@@ -4608,7 +4609,7 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
                                 if (data != CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + tmp, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), tmp))
                                     retVal = FALSE;
                             }
-                            r10++;
+                            idx++;
                         }
                         else // _080429FA
                         {
@@ -4616,13 +4617,13 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
                             curMoveId = GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL);
                             if (data != CalculatePPWithBonus(curMoveId, GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex))
                             {
-                                r10++;
+                                idx++;
                                 retVal = FALSE;
                             }
                         }
                         break;
                     case 7:
-                        if (GetEvolutionTargetSpecies(mon, 2, item) != SPECIES_NONE)
+                        if (GetEvolutionTargetSpecies(mon, EVO_MODE_ITEM_USE, item) != SPECIES_NONE)
                             return FALSE;
                         break;
                     }
@@ -4640,46 +4641,46 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
                 {
                     switch (i)
                     {
-                    case 0:
-                    case 1:
-                    case 2:
-                    case 3:
+                    case 0: // EV_DEF
+                    case 1: // EV_SPEED
+                    case 2: // EV_SPDEF
+                    case 3: // EV_SPATK
                         if (GetMonEVCount(mon) >= 510)
                             return TRUE;
                         data = GetMonData(mon, sGetMonDataEVConstants[i + 2], NULL);
                         if (data < 100)
                         {
                             retVal = FALSE;
-                            r10++;
+                            idx++;
                         }
                         break;
-                    case 4:
+                    case 4: // PP_MAX
                         data = (GetMonData(mon, MON_DATA_PP_BONUSES, NULL) & gPPUpGetMask[moveIndex]) >> (moveIndex * 2);
                         tmp = CalculatePPWithBonus(GetMonData(mon, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(mon, MON_DATA_PP_BONUSES, NULL), moveIndex);
                         if (data < 3 && tmp > 4)
                             retVal = FALSE;
                         break;
-                    case 5:
+                    case 5: // FRIENDSHIP_LOW
                         if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) < 100
                          && retVal == FALSE
                          && sp18 == 0)
-                            sp18 = itemEffect[r10];
-                        r10++;
+                            sp18 = itemEffect[idx];
+                        idx++;
                         break;
-                    case 6:
+                    case 6: // FRIENDSHIP_MID
                         if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) >= 100
                          && GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) < 200
                          && retVal == FALSE
                          && sp18 == 0)
-                            sp18 = itemEffect[r10];
-                        r10++;
+                            sp18 = itemEffect[idx];
+                        idx++;
                         break;
-                    case 7:
+                    case 7: // FRIENDSHIP_HIGH
                         if (GetMonData(mon, MON_DATA_FRIENDSHIP, NULL) >= 200
                          && retVal == FALSE
                          && sp18 == 0)
-                            sp18 = itemEffect[r10];
-                        r10++;
+                            sp18 = itemEffect[idx];
+                        idx++;
                         break;
                     }
                 }
@@ -4692,7 +4693,7 @@ bool8 PokemonItemUseNoEffect(struct Pokemon *mon, u16 item, u8 partyIndex, u8 mo
     return retVal;
 }
 
-static bool8 sub_8042BE8(struct Pokemon *mon, u32 unused, u32 healMask, u8 battleId)
+static bool8 PartyMonHasStatus(struct Pokemon *mon, u32 unused, u32 healMask, u8 battleId)
 {
     if ((GetMonData(mon, MON_DATA_STATUS, NULL) & healMask) != 0)
         return TRUE;
@@ -4813,10 +4814,10 @@ u8 GetItemEffectParamOffset(u16 itemId, u8 effectByte, u8 effectBit)
     return offset;
 }
 
-static void sub_8042D50(int stat)
+static void BufferStatRoseMessage(int stat)
 {
     gBattlerTarget = gBattlerInMenuId;
-    StringCopy(gBattleTextBuff1, gStatNamesTable[gUnknown_825DFF0[stat]]);
+    StringCopy(gBattleTextBuff1, gStatNamesTable[sStatsToRaise[stat]]);
     StringCopy(gBattleTextBuff2, gBattleText_Rose);
     BattleStringExpandPlaceholdersToDisplayedString(gText_PkmnsStatChanged2);
 }
@@ -4847,12 +4848,12 @@ const u8 *Battle_PrintStatBoosterEffectMessage(u16 itemId)
     for (i = 0; i < 3; i++)
     {
         if (itemEffect[i] & 0xF)
-            sub_8042D50(i * 2);
+            BufferStatRoseMessage(i * 2);
         if (itemEffect[i] & 0xF0)
         {
             if (i)
             {
-                sub_8042D50(i * 2 + 1);
+                BufferStatRoseMessage(i * 2 + 1);
             }
             else
             {
@@ -4899,12 +4900,12 @@ u16 GetEvolutionTargetSpecies(struct Pokemon *mon, u8 type, u16 evolutionItem)
     else
         holdEffect = ItemId_GetHoldEffect(heldItem);
 
-    if (holdEffect == HOLD_EFFECT_PREVENT_EVOLVE && type != 3)
+    if (holdEffect == HOLD_EFFECT_PREVENT_EVOLVE && type != EVO_MODE_ITEM_CHECK)
         return 0;
 
     switch (type)
     {
-    case 0:
+    case EVO_MODE_NORMAL:
         level = GetMonData(mon, MON_DATA_LEVEL, 0);
         friendship = GetMonData(mon, MON_DATA_FRIENDSHIP, 0);
 
@@ -4969,7 +4970,7 @@ u16 GetEvolutionTargetSpecies(struct Pokemon *mon, u8 type, u16 evolutionItem)
             }
         }
         break;
-    case 1:
+    case EVO_MODE_TRADE:
         for (i = 0; i < 5; i++)
         {
             switch (gEvolutionTable[species][i].method)
@@ -4992,8 +4993,8 @@ u16 GetEvolutionTargetSpecies(struct Pokemon *mon, u8 type, u16 evolutionItem)
             }
         }
         break;
-    case 2:
-    case 3:
+    case EVO_MODE_ITEM_USE:
+    case EVO_MODE_ITEM_CHECK:
         for (i = 0; i < 5; i++)
         {
             if (gEvolutionTable[species][i].method == EVO_ITEM
@@ -5098,96 +5099,63 @@ u16 SpeciesToCryId(u16 species)
     return sHoennSpeciesIdToCryId[species - ((SPECIES_OLD_UNOWN_Z + 1) - 1)];
 }
 
-static void sub_8043338(u16 species, u32 personality, u8 *dest)
+#define DRAW_SPINDA_SPOTS                                                       \
+{                                                                               \
+    int i;                                                                      \
+    for (i = 0; i < 4; i++)                                                     \
+    {                                                                           \
+        int j;                                                                  \
+        u8 x = sSpindaSpotGraphics[i].x + ((personality & 0x0F) - 8);           \
+        u8 y = sSpindaSpotGraphics[i].y + (((personality & 0xF0) >> 4) - 8);    \
+                                                                                \
+        for (j = 0; j < 16; j++)                                                \
+        {                                                                       \
+            int k;                                                              \
+            s32 row = sSpindaSpotGraphics[i].image[j];                          \
+                                                                                \
+            for (k = x; k < x + 16; k++)                                        \
+            {                                                                   \
+                u8 *val = dest + ((k / 8) * 32) +                               \
+                                 ((k % 8) / 2) +                                \
+                                 ((y >> 3) << 8) +                              \
+                                 ((y & 7) << 2);                                \
+                                                                                \
+                if (row & 1)                                                    \
+                {                                                               \
+                    if (k & 1)                                                  \
+                    {                                                           \
+                        if ((u8)((*val & 0xF0) - 0x10) <= 0x20)                 \
+                            *val += 0x40;                                       \
+                    }                                                           \
+                    else                                                        \
+                    {                                                           \
+                        if ((u8)((*val & 0xF) - 0x01) <= 0x02)                  \
+                            *val += 0x04;                                       \
+                    }                                                           \
+                }                                                               \
+                                                                                \
+                row >>= 1;                                                      \
+            }                                                                   \
+                                                                                \
+            y++;                                                                \
+        }                                                                       \
+                                                                                \
+        personality >>= 8;                                                      \
+    }                                                                           \
+}
+
+static void DrawSpindaSpotsUnused(u16 species, u32 personality, u8 *dest)
 {
     if (species == SPECIES_SPINDA
         && dest != gMonSpritesGfxPtr->sprites[0]
         && dest != gMonSpritesGfxPtr->sprites[2])
-    {
-        int i;
-        for (i = 0; i < 4; i++)
-        {
-            int j;
-            u8 x = sSpindaSpotGraphics[i].x + ((personality & 0x0F) - 8);
-            u8 y = sSpindaSpotGraphics[i].y + (((personality & 0xF0) >> 4) - 8);
-
-            for (j = 0; j < 16; j++)
-            {
-                int k;
-                s32 row = sSpindaSpotGraphics[i].image[j];
-
-                for (k = x; k < x + 16; k++)
-                {
-                    u8 *val = dest + ((k / 8) * 32) + ((k % 8) / 2) + ((y >> 3) << 8) + ((y & 7) << 2);
-
-                    if (row & 1)
-                    {
-                        if (k & 1)
-                        {
-                            if ((u8)((*val & 0xF0) - 0x10) <= 0x20)
-                                *val += 0x40;
-                        }
-                        else
-                        {
-                            if ((u8)((*val & 0xF) - 0x01) <= 0x02)
-                                *val += 0x04;
-                        }
-                    }
-
-                    row >>= 1;
-                }
-
-                y++;
-            }
-
-            personality >>= 8;
-        }
-    }
+        DRAW_SPINDA_SPOTS;
 }
 
-void DrawSpindaSpots(u16 species, u32 personality, u8 *dest, u8 a4)
+void DrawSpindaSpots(u16 species, u32 personality, u8 *dest, bool8 isFrontPic)
 {
-    if (species == SPECIES_SPINDA && a4)
-    {
-        int i;
-        for (i = 0; i < 4; i++)
-        {
-            int j;
-            u8 x = sSpindaSpotGraphics[i].x + ((personality & 0x0F) - 8);
-            u8 y = sSpindaSpotGraphics[i].y + (((personality & 0xF0) >> 4) - 8);
-
-            for (j = 0; j < 16; j++)
-            {
-                int k;
-                s32 row = sSpindaSpotGraphics[i].image[j];
-
-                for (k = x; k < x + 16; k++)
-                {
-                    u8 *val = dest + ((k / 8) * 32) + ((k % 8) / 2) + ((y >> 3) << 8) + ((y & 7) << 2);
-
-                    if (row & 1)
-                    {
-                        if (k & 1)
-                        {
-                            if ((u8)((*val & 0xF0) - 0x10) <= 0x20)
-                                *val += 0x40;
-                        }
-                        else
-                        {
-                            if ((u8)((*val & 0xF) - 0x01) <= 0x02)
-                                *val += 0x04;
-                        }
-                    }
-
-                    row >>= 1;
-                }
-
-                y++;
-            }
-
-            personality >>= 8;
-        }
-    }
+    if (species == SPECIES_SPINDA && isFrontPic)
+        DRAW_SPINDA_SPOTS;
 }
 
 void EvolutionRenameMon(struct Pokemon *mon, u16 oldSpecies, u16 newSpecies)
@@ -5427,9 +5395,14 @@ u16 GetMonEVCount(struct Pokemon *mon)
     return count;
 }
 
+// This function was stubbed from RS, but it is stubbed badly.
+// This variable is likely the u8 passed to SetMonData in RSE.
+// The pointer reference causes agbcc to reserve it on the stack before even checking
+// whether it's used.
 void RandomlyGivePartyPokerus(struct Pokemon *party)
 {
-    u8 foo[4]; // huh?
+    u8 foo;
+    &foo;
 }
 
 u8 CheckPartyPokerus(struct Pokemon *party, u8 selection)
@@ -5488,14 +5461,18 @@ u8 CheckPartyHasHadPokerus(struct Pokemon *party, u8 selection)
     return retVal;
 }
 
-static void sub_8043B38(void)
+// These two functions are stubbed from RS, but they're stubbed badly.
+// See note on RandomlyGivePartyPokerus above.
+static void UpdatePartyPokerusTime(void)
 {
-    u8 foo[4]; // huh?
+    u8 foo;
+    &foo;
 }
 
 void PartySpreadPokerus(struct Pokemon *party)
 {
-    u8 foo[4]; // huh?
+    u8 foo;
+    &foo;
 }
 
 static void SetMonExpWithMaxLevelCheck(struct Pokemon *mon, int species, u8 unused, u32 data)
@@ -5909,7 +5886,7 @@ u16 FacilityClassToPicIndex(u16 facilityClass)
     return gFacilityClassToPicIndex[facilityClass];
 }
 
-bool8 sub_804455C(u8 caseId, u8 battlerId)
+bool8 ShouldIgnoreDeoxysForm(u8 caseId, u8 battlerId)
 {
     switch (caseId)
     {
@@ -6009,7 +5986,7 @@ void SetDeoxysStats(void)
     }
 }
 
-u16 sub_80447AC(void)
+u16 GetUnionRoomTrainerPic(void)
 {
     u8 linkId = GetMultiplayerId() ^ 1;
     u32 arrId = gLinkPlayers[linkId].trainerId & 7;
@@ -6018,7 +5995,7 @@ u16 sub_80447AC(void)
     return FacilityClassToPicIndex(gLinkPlayerFacilityClasses[arrId]);
 }
 
-u16 sub_80447F0(void)
+u16 GetUnionRoomTrainerClass(void)
 {
     u8 linkId = GetMultiplayerId() ^ 1;
     u32 arrId = gLinkPlayers[linkId].trainerId & 7;
@@ -6081,7 +6058,7 @@ static void OakSpeechNidoranFSetupTemplate(struct OakSpeechNidoranFStruct *struc
     {
         for (i = 0; i < (s8)structPtr->spriteCount; ++i)
         {
-            structPtr->templates[i] = gUnknown_825DEF0[i];
+            structPtr->templates[i] = gSpriteTemplates_Battlers[i];
             for (j = 0; j < structPtr->frameCount; ++j)
                 structPtr->frameImages[i * structPtr->frameCount + j].data = &structPtr->bufferPtrs[i][j * 0x800];
             structPtr->templates[i].images = &structPtr->frameImages[i * structPtr->frameCount];
@@ -6089,7 +6066,7 @@ static void OakSpeechNidoranFSetupTemplate(struct OakSpeechNidoranFStruct *struc
     }
     else
     {
-        const struct SpriteTemplate *template = &gUnknown_825DEF0[battlePosition];
+        const struct SpriteTemplate *template = &gSpriteTemplates_Battlers[battlePosition];
         
         structPtr->templates[0] = *template;
         for (j = 0; j < structPtr->frameCount; ++j)
diff --git a/src/pokemon_jump_2.c b/src/pokemon_jump_2.c
index e51d79814..a219459c1 100644
--- a/src/pokemon_jump_2.c
+++ b/src/pokemon_jump_2.c
@@ -1317,7 +1317,7 @@ static bool32 sub_8148D5C(void)
     case 4:
         if (!gPaletteFade.active)
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             gUnknown_203F3D4->unkA++;
         }
         break;
diff --git a/src/pokemon_summary_screen.c b/src/pokemon_summary_screen.c
index 03b9c6744..b2ff1209b 100644
--- a/src/pokemon_summary_screen.c
+++ b/src/pokemon_summary_screen.c
@@ -2339,7 +2339,7 @@ static void sub_8136BC4(void)
     SetGpuReg(REG_OFFSET_DISPCNT, 0);
 
     ResetBgsAndClearDma3BusyFlags(0);
-    InitBgsFromTemplates(0, sUnknown_8463EFC, ARRAY_COUNT(sUnknown_8463EFC));
+    InitBgsFromTemplates(0, sUnknown_8463EFC, NELEMS(sUnknown_8463EFC));
 
     ChangeBgX(0, 0, 0);
     ChangeBgY(0, 0, 0);
@@ -3902,20 +3902,20 @@ static void sub_8139768(struct Sprite * sprite)
         {
         case 0:
             sprite->pos1.y += sUnknown_8463FBE[sUnknown_203B170->unk00++];
-            v0 = ARRAY_COUNT(sUnknown_8463FBE);
+            v0 = NELEMS(sUnknown_8463FBE);
             break;
         case 1:
             sprite->pos1.y += sUnknown_8463FC1[sUnknown_203B170->unk00++];
-            v0 = ARRAY_COUNT(sUnknown_8463FC1);
+            v0 = NELEMS(sUnknown_8463FC1);
             break;
         case 2:
             sprite->pos1.y += sUnknown_8463FC6[sUnknown_203B170->unk00++];
-            v0 = ARRAY_COUNT(sUnknown_8463FC6);
+            v0 = NELEMS(sUnknown_8463FC6);
             break;
         case 3:
         default:
             sprite->pos1.y += sUnknown_8463FCD[sUnknown_203B170->unk00++];
-            v0 = ARRAY_COUNT(sUnknown_8463FCD);
+            v0 = NELEMS(sUnknown_8463FCD);
             break;
         }
 
@@ -3941,7 +3941,7 @@ static void sub_8139868(struct Sprite * sprite)
         if (sUnknown_203B170->unk04++ >= 120)
         {
             sprite->pos1.x += sUnknown_8463FD4[sUnknown_203B170->unk00];
-            if (++sUnknown_203B170->unk00 >= ARRAY_COUNT(sUnknown_8463FD4))
+            if (++sUnknown_203B170->unk00 >= NELEMS(sUnknown_8463FD4))
             {
                 sUnknown_203B170->unk00 = 0;
                 sUnknown_203B170->unk04 = 0;
@@ -3953,7 +3953,7 @@ static void sub_8139868(struct Sprite * sprite)
         if (sUnknown_203B170->unk04++ >= 90)
         {
             sprite->pos1.x += sUnknown_8463FDF[sUnknown_203B170->unk00];
-            if (++sUnknown_203B170->unk00 >= ARRAY_COUNT(sUnknown_8463FDF))
+            if (++sUnknown_203B170->unk00 >= NELEMS(sUnknown_8463FDF))
             {
                 sUnknown_203B170->unk00 = 0;
                 sUnknown_203B170->unk04 = 0;
@@ -3965,7 +3965,7 @@ static void sub_8139868(struct Sprite * sprite)
         if (sUnknown_203B170->unk04++ >= 60)
         {
             sprite->pos1.x += sUnknown_8463FEA[sUnknown_203B170->unk00];
-            if (++sUnknown_203B170->unk00 >= ARRAY_COUNT(sUnknown_8463FEA))
+            if (++sUnknown_203B170->unk00 >= NELEMS(sUnknown_8463FEA))
             {
                 sUnknown_203B170->unk00 = 0;
                 sUnknown_203B170->unk04 = 0;
@@ -4002,7 +4002,7 @@ static void sub_813995C(void)
     }
     else
     {
-        if (sub_804455C(3, sLastViewedMonIndex))
+        if (ShouldIgnoreDeoxysForm(3, sLastViewedMonIndex))
             spriteId = CreateMonPicSprite(species, trainerId, personality, 1, 60, 65, 12, 0xffff, 1);
         else
             spriteId = CreateMonPicSprite_HandleDeoxys(species, trainerId, personality, 1, 60, 65, 12, 0xffff);
@@ -4130,7 +4130,7 @@ static void sub_8139DBC(void)
     }
     else
     {
-        if (sub_804455C(3, sLastViewedMonIndex))
+        if (ShouldIgnoreDeoxysForm(3, sLastViewedMonIndex))
             sMonSummaryScreen->unk3014 = CreateMonIcon(species, SpriteCallbackDummy, 24, 32, 0, personality, 0);
         else
             sMonSummaryScreen->unk3014 = CreateMonIcon(species, SpriteCallbackDummy, 24, 32, 0, personality, 1);
diff --git a/src/psychic.c b/src/psychic.c
index 32e4dce46..9a072ad5c 100644
--- a/src/psychic.c
+++ b/src/psychic.c
@@ -523,10 +523,10 @@ static void sub_80B3168(struct Sprite *sprite)
         bool8 toBG2 = (rank ^ var0) != 0;
 
         if (IsBattlerSpriteVisible(battler))
-            sub_8073128(toBG2);
+            ResetBattleAnimBg(toBG2);
         battler = battlerCopy ^ 2;
         if (IsBattlerSpriteVisible(battler))
-            sub_8073128(toBG2 ^ var0);
+            ResetBattleAnimBg(toBG2 ^ var0);
     }
     sprite->callback = DestroyAnimSprite;
 }
diff --git a/src/quest_log_events.c b/src/quest_log_events.c
index 8eaf331e5..72b8ddfd7 100644
--- a/src/quest_log_events.c
+++ b/src/quest_log_events.c
@@ -425,7 +425,7 @@ static bool8 TrySetTrainerBattleQuestLogEvent(u16 eventId, const u16 *eventData)
     return TRUE;
 }
 
-void sub_81139BC(void)
+void QuestLogEvents_HandleEndTrainerBattle(void)
 {
     if (sDeferredEvent.id != QL_EVENT_0)
     {
diff --git a/src/quest_log_player.c b/src/quest_log_player.c
index 715061963..da1c2b76e 100644
--- a/src/quest_log_player.c
+++ b/src/quest_log_player.c
@@ -35,7 +35,7 @@ static void (*const gUnknown_8471EDC[])(void) = {
 
 void sub_8150454(u8 a0)
 {
-    if (a0 < ARRAY_COUNT(gUnknown_8471EDC))
+    if (a0 < NELEMS(gUnknown_8471EDC))
         gUnknown_8471EDC[a0]();
 }
 
diff --git a/src/reshow_battle_screen.c b/src/reshow_battle_screen.c
index c65169710..cc1e14d8f 100644
--- a/src/reshow_battle_screen.c
+++ b/src/reshow_battle_screen.c
@@ -10,12 +10,12 @@
 #include "battle_controllers.h"
 
 static void CB2_ReshowBattleScreenAfterMenu(void);
-static void sub_8077AAC(void);
+static void ReshowBattleScreen_TurnOnDisplay(void);
 static bool8 LoadBattlerSpriteGfx(u8 battlerId);
 static void CreateBattlerSprite(u8 battlerId);
 static void CreateHealthboxSprite(u8 battlerId);
 
-void nullsub_44(void)
+void ReshowBattleScreenDummy(void)
 {
 }
 
@@ -113,35 +113,35 @@ static void CB2_ReshowBattleScreenAfterMenu(void)
         if (!LoadBattlerSpriteGfx(2))
             --gBattleScripting.reshowMainState;
         break;
-    case 0xA:
+    case 10:
         if (!LoadBattlerSpriteGfx(3))
             --gBattleScripting.reshowMainState;
         break;
-    case 0xB:
+    case 11:
         CreateBattlerSprite(0);
         break;
-    case 0xC:
+    case 12:
         CreateBattlerSprite(1);
         break;
-    case 0xD:
+    case 13:
         CreateBattlerSprite(2);
         break;
-    case 0xE:
+    case 14:
         CreateBattlerSprite(3);
         break;
-    case 0xF:
+    case 15:
         CreateHealthboxSprite(0);
         break;
-    case 0x10:
+    case 16:
         CreateHealthboxSprite(1);
         break;
-    case 0x11:
+    case 17:
         CreateHealthboxSprite(2);
         break;
-    case 0x12:
+    case 18:
         CreateHealthboxSprite(3);
         break;
-    case 0x13:
+    case 19:
         LoadAndCreateEnemyShadowSprites();
         opponentBattler = GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT);
         species = GetMonData(&gEnemyParty[gBattlerPartyIndexes[opponentBattler]], MON_DATA_SPECIES);
@@ -159,13 +159,13 @@ static void CB2_ReshowBattleScreenAfterMenu(void)
             CreateWirelessStatusIndicatorSprite(0, 0);
         }
         break;
-    case 0x14:
+    case 20:
         SetVBlankCallback(VBlankCB_Battle);
-        sub_8077AAC();
+        ReshowBattleScreen_TurnOnDisplay();
         BeginHardwarePaletteFade(0xFF, 0, 0x10, 0, 1);
         gPaletteFade.bufferTransferDisabled = 0;
         SetMainCallback2(BattleMainCB2);
-        sub_80357C8();
+        BattleInterfaceSetWindowPals();
         break;
     default:
         break;
@@ -173,7 +173,7 @@ static void CB2_ReshowBattleScreenAfterMenu(void)
     ++gBattleScripting.reshowMainState;
 }
 
-static void sub_8077AAC(void)
+static void ReshowBattleScreen_TurnOnDisplay(void)
 {
     EnableInterrupts(INTR_FLAG_VBLANK);
     SetGpuReg(REG_OFFSET_BLDCNT, 0);
@@ -202,9 +202,9 @@ static bool8 LoadBattlerSpriteGfx(u8 battler)
                 BattleLoadSubstituteOrMonSpriteGfx(battler, FALSE);
         }
         else if (gBattleTypeFlags & BATTLE_TYPE_SAFARI && battler == B_POSITION_PLAYER_LEFT) // Should be checking position, not battler.
-            DecompressTrainerBackPalette(gSaveBlock2Ptr->playerGender, battler);
+            DecompressTrainerBackPalette(BACK_PIC_RED + gSaveBlock2Ptr->playerGender, battler);
         else if (gBattleTypeFlags & BATTLE_TYPE_OLD_MAN_TUTORIAL && battler == B_POSITION_PLAYER_LEFT) // Should be checking position, not battler.
-            DecompressTrainerBackPalette(5, battler);
+            DecompressTrainerBackPalette(BACK_PIC_OLDMAN, battler);
         else if (!gBattleSpritesDataPtr->battlerData[battler].behindSubstitute)
             BattleLoadPlayerMonSpriteGfx(&gPlayerParty[gBattlerPartyIndexes[battler]], battler);
         else
diff --git a/src/roamer.c b/src/roamer.c
index 074ac22cf..6367e9d43 100644
--- a/src/roamer.c
+++ b/src/roamer.c
@@ -94,7 +94,7 @@ void CreateInitialRoamerMon(void)
     saveRoamer.smart = GetMonData(tmpMon, MON_DATA_SMART);
     saveRoamer.tough = GetMonData(tmpMon, MON_DATA_TOUGH);
     sRoamerLocation[MAP_GRP] = 3;
-    sRoamerLocation[MAP_NUM] = sRoamerLocations[Random() % (ARRAY_COUNT(sRoamerLocations) - 1)][0];
+    sRoamerLocation[MAP_NUM] = sRoamerLocations[Random() % (NELEMS(sRoamerLocations) - 1)][0];
 }
 
 void InitRoamer(void)
@@ -125,7 +125,7 @@ void RoamerMoveToOtherLocationSet(void)
 
     while (1)
     {
-        mapNum = sRoamerLocations[Random() % (ARRAY_COUNT(sRoamerLocations) - 1)][0];
+        mapNum = sRoamerLocations[Random() % (NELEMS(sRoamerLocations) - 1)][0];
         if (sRoamerLocation[MAP_NUM] != mapNum)
         {
             sRoamerLocation[MAP_NUM] = mapNum;
@@ -150,7 +150,7 @@ void RoamerMove(void)
         if (!roamer->active)
             return;
 
-        while (locSet < (ARRAY_COUNT(sRoamerLocations) - 1))
+        while (locSet < (NELEMS(sRoamerLocations) - 1))
         {
             if (sRoamerLocation[MAP_NUM] == sRoamerLocations[locSet][0])
             {
diff --git a/src/rock.c b/src/rock.c
index 922b2ad6a..c5b78fe31 100644
--- a/src/rock.c
+++ b/src/rock.c
@@ -407,7 +407,7 @@ void AnimTask_LoadSandstormBackground(u8 taskId)
     gBattle_BG1_Y = 0;
     SetGpuReg(REG_OFFSET_BG1HOFS, gBattle_BG1_X);
     SetGpuReg(REG_OFFSET_BG1VOFS, gBattle_BG1_Y);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     AnimLoadCompressedBgTilemap(animBg.bgId, gFile_graphics_battle_anims_backgrounds_sandstorm_brew_tilemap);
     AnimLoadCompressedBgGfx(animBg.bgId, gFile_graphics_battle_anims_backgrounds_sandstorm_brew_sheet, animBg.tilesOffset);
     LoadCompressedPalette(gBattleAnimSpritePal_FlyingDirt, animBg.paletteId * 16, 32);
@@ -464,8 +464,8 @@ static void sub_80B490C(u8 taskId)
         }
         break;
     case 3:
-        sub_80752A0(&animBg);
-        sub_8075358(animBg.bgId);
+        GetBattleAnimBg1Data(&animBg);
+        InitBattleAnimBg(animBg.bgId);
         ++gTasks[taskId].data[12];
         break;
     case 4:
@@ -795,14 +795,14 @@ void AnimTask_MoveSeismicTossBg(u8 taskId)
 {
     if (gTasks[taskId].data[0] == 0)
     {
-        sub_8075458(0);
+        ToggleBg3Mode(0);
         gTasks[taskId].data[1] = 200;
     }
     gBattle_BG3_Y += gTasks[taskId].data[1] / 10;
     gTasks[taskId].data[1] -= 3;
     if (gTasks[taskId].data[0] == 120)
     {
-        sub_8075458(1);
+        ToggleBg3Mode(1);
         DestroyAnimVisualTask(taskId);
     }
     ++gTasks[taskId].data[0];
@@ -812,7 +812,7 @@ void AnimTask_SeismicTossBgAccelerateDownAtEnd(u8 taskId)
 {
     if (gTasks[taskId].data[0] == 0)
     {
-        sub_8075458(0);
+        ToggleBg3Mode(0);
         ++gTasks[taskId].data[0];
         gTasks[taskId].data[2] = gBattle_BG3_Y;
     }
@@ -822,7 +822,7 @@ void AnimTask_SeismicTossBgAccelerateDownAtEnd(u8 taskId)
     if (gBattleAnimArgs[7] == 0xFFF)
     {
         gBattle_BG3_Y = 0;
-        sub_8075458(1);
+        ToggleBg3Mode(1);
         DestroyAnimVisualTask(taskId);
     }
 }
diff --git a/src/save.c b/src/save.c
index d5993182c..894b420f6 100644
--- a/src/save.c
+++ b/src/save.c
@@ -45,26 +45,24 @@
     min(sizeof(structure) - chunkNum * SECTOR_DATA_SIZE, SECTOR_DATA_SIZE)  \
 }                                                                           \
 
-// TODO: use gSaveblock2, gSaveblock1, gPokemonStorage instead of structs
-// Will be done when load_save is decompiled.
 const struct SaveSectionOffsets gSaveSectionOffsets[] =
 {
-    SAVEBLOCK_CHUNK(struct SaveBlock2, 0),
-
-    SAVEBLOCK_CHUNK(struct SaveBlock1, 0),
-    SAVEBLOCK_CHUNK(struct SaveBlock1, 1),
-    SAVEBLOCK_CHUNK(struct SaveBlock1, 2),
-    SAVEBLOCK_CHUNK(struct SaveBlock1, 3),
-
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 0),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 1),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 2),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 3),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 4),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 5),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 6),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 7),
-    SAVEBLOCK_CHUNK(struct PokemonStorage, 8)
+    SAVEBLOCK_CHUNK(gSaveBlock2, 0),
+
+    SAVEBLOCK_CHUNK(gSaveBlock1, 0),
+    SAVEBLOCK_CHUNK(gSaveBlock1, 1),
+    SAVEBLOCK_CHUNK(gSaveBlock1, 2),
+    SAVEBLOCK_CHUNK(gSaveBlock1, 3),
+
+    SAVEBLOCK_CHUNK(gPokemonStorage, 0),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 1),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 2),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 3),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 4),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 5),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 6),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 7),
+    SAVEBLOCK_CHUNK(gPokemonStorage, 8)
 };
 
 // Sector num to begin writing save data. Sectors are rotated each time the game is saved. (possibly to avoid wear on flash memory?)
@@ -855,7 +853,7 @@ void Task_SaveGame_UpdatedLinkRecords(u8 taskId)
         gTasks[taskId].data[0] = 1;
         break;
     case 1:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         gTasks[taskId].data[0] = 2;
         break;
     case 2:
@@ -889,7 +887,7 @@ void Task_SaveGame_UpdatedLinkRecords(u8 taskId)
         break;
     case 7:
         ClearContinueGameWarpStatus2();
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         gTasks[taskId].data[0] = 8;
         break;
     case 8:
@@ -900,7 +898,7 @@ void Task_SaveGame_UpdatedLinkRecords(u8 taskId)
         }
         break;
     case 9:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         gTasks[taskId].data[0] = 10;
         break;
     case 10:
diff --git a/src/string_util.c b/src/string_util.c
index 17507b0e8..f059ac43d 100644
--- a/src/string_util.c
+++ b/src/string_util.c
@@ -487,7 +487,7 @@ u8 *GetExpandedPlaceholder(u32 id)
         [PLACEHOLDER_ID_KYOGRE]       = ExpandPlaceholder_Kyogre,
     };
 
-    if (id >= ARRAY_COUNT(funcs))
+    if (id >= NELEMS(funcs))
         return gExpandedPlaceholder_Empty;
     else
         return funcs[id]();
@@ -627,7 +627,7 @@ u8 GetExtCtrlCodeLength(u8 code)
     };
 
     u8 length = 0;
-    if (code < ARRAY_COUNT(lengths))
+    if (code < NELEMS(lengths))
         length = lengths[code];
     return length;
 }
diff --git a/src/strings.c b/src/strings.c
index c696601c4..d620cdc80 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -342,8 +342,8 @@ const u8 gText_NotAble[] = _("NOT ABLE");
 const u8 gText_Able3[] = _("ABLE!");
 const u8 gText_NotAble2[] = _("NOT ABLE!");
 const u8 gText_Learned[] = _("LEARNED");
-const u8 gUnknown_8417457[] = _("OAK: It's important to get to know\nyour POKéMON thoroughly.\p");
-const u8 gUnknown_8417494[] = _("This is a list of your POKéMON,\n{PLAYER}.\pOpen this to check the skills\nand moves of your POKéMON.\pYou also choose POKéMON here if\nyou want to use an item on one.{PAUSE_UNTIL_PRESS}");
+const u8 gText_OakImportantToGetToKnowPokemonThroughly[] = _("OAK: It's important to get to know\nyour POKéMON thoroughly.\p");
+const u8 gText_OakThisIsListOfPokemon[] = _("This is a list of your POKéMON,\n{PLAYER}.\pOpen this to check the skills\nand moves of your POKéMON.\pYou also choose POKéMON here if\nyou want to use an item on one.{PAUSE_UNTIL_PRESS}");
 const u8 gText_CutATreeOrGrass[] = _("Cut a tree or grass.");
 const u8 gText_FlyToAKnownTown[] = _("Fly to a known town.");
 const u8 gText_TravelOnWater[] = _("Travel on water.");
diff --git a/src/teachy_tv.c b/src/teachy_tv.c
index d6ce57c3d..3baaa094a 100644
--- a/src/teachy_tv.c
+++ b/src/teachy_tv.c
@@ -1177,9 +1177,9 @@ static void TeachyTvPrepBattle(u8 taskId)
     InitPokedudePartyAndOpponent();
     PlayMapChosenOrBattleBGM(MUS_DUMMY);
     if (sStaticResources.whichScript == TTVSCR_BATTLE)
-        data[6] = 9;
+        data[6] = B_TRANSITION_WHITEFADE_IN_STRIPES;
     else
-        data[6] = 8;
+        data[6] = B_TRANSITION_SLICED_SCREEN;
     data[7] = 0;
     gTasks[taskId].func = TeachyTvPreBattleAnimAndSetBattleCallback;
 }
diff --git a/src/trade.c b/src/trade.c
index 60643f2fc..21c127838 100644
--- a/src/trade.c
+++ b/src/trade.c
@@ -814,7 +814,7 @@ static void CB2_ReturnFromLinkTrade2(void)
             if (gWirelessCommType)
             {
                 ToggleLMANlinkRecovery(TRUE);
-                PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+                SetLinkStandbyCallback();
             }
         }
         break;
@@ -2001,7 +2001,7 @@ static void TradeMenuCB_11(void)
     {
         if (gWirelessCommType)
         {
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
         }
         else
         {
@@ -2041,7 +2041,7 @@ static void TradeMenuCB_16(void)
 {
     if (!ToggleLMANlinkRecovery(FALSE))
     {
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         sTradeMenuResourcesPtr->tradeMenuCBnum = 13;
     }
 }
diff --git a/src/trade_scene.c b/src/trade_scene.c
index f068b17d4..b259ba939 100644
--- a/src/trade_scene.c
+++ b/src/trade_scene.c
@@ -1725,7 +1725,7 @@ static bool8 DoTradeAnim_Cable(void)
     case 72: // Only if in-game trade
         TradeMons(gSpecialVar_0x8005, 0);
         gCB2_AfterEvolution = CB2_RunTradeAnim_InGameTrade;
-        evoTarget = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], TRUE, ITEM_NONE);
+        evoTarget = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], EVO_MODE_TRADE, ITEM_NONE);
         if (evoTarget != SPECIES_NONE)
         {
             TradeEvolutionScene(&gPlayerParty[gSelectedTradeMonPositions[0]], evoTarget, sTradeData->pokePicSpriteIdxs[1], gSelectedTradeMonPositions[0]);
@@ -2246,7 +2246,7 @@ static bool8 DoTradeAnim_Wireless(void)
     case 72: // Only if in-game trade
         TradeMons(gSpecialVar_0x8005, 0);
         gCB2_AfterEvolution = CB2_RunTradeAnim_InGameTrade;
-        evoTarget = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], TRUE, ITEM_NONE);
+        evoTarget = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], EVO_MODE_TRADE, ITEM_NONE);
         if (evoTarget != SPECIES_NONE)
         {
             TradeEvolutionScene(&gPlayerParty[gSelectedTradeMonPositions[0]], evoTarget, sTradeData->pokePicSpriteIdxs[1], gSelectedTradeMonPositions[0]);
@@ -2290,7 +2290,7 @@ static void sub_8053788(void)
         break;
     case 4:
         gCB2_AfterEvolution = sub_8053E8C;
-        evoSpecies = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], 1, 0);
+        evoSpecies = GetEvolutionTargetSpecies(&gPlayerParty[gSelectedTradeMonPositions[0]], EVO_MODE_TRADE, 0);
         if (evoSpecies != SPECIES_NONE)
             TradeEvolutionScene(&gPlayerParty[gSelectedTradeMonPositions[0]], evoSpecies, sTradeData->pokePicSpriteIdxs[1], gSelectedTradeMonPositions[0]);
         else
@@ -2546,7 +2546,7 @@ static void sub_8053E8C(void)
         DrawTextOnTradeWindow(0, gStringVar4, 0);
         break;
     case 1:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         gMain.state = 100;
         sTradeData->timer = 0;
         break;
@@ -2631,7 +2631,7 @@ static void sub_8053E8C(void)
     case 41:
         if (sTradeData->timer == 0)
         {
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
             gMain.state = 42;
         }
         else
@@ -2650,7 +2650,7 @@ static void sub_8053E8C(void)
         if (++sTradeData->timer > 60)
         {
             gMain.state++;
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
         }
         break;
     case 6:
@@ -2672,11 +2672,11 @@ static void sub_8053E8C(void)
         {
             if (gWirelessCommType && gMain.savedCallback == CB2_ReturnFromLinkTrade)
             {
-                PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+                SetLinkStandbyCallback();
             }
             else
             {
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
             }
             gMain.state++;
         }
diff --git a/src/trainer_card.c b/src/trainer_card.c
index e42385243..f1af00254 100644
--- a/src/trainer_card.c
+++ b/src/trainer_card.c
@@ -618,7 +618,7 @@ static void Task_TrainerCard(u8 taskId)
         }
         break;
     case STATE_WAIT_LINK_PARTNER:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         DrawDialogueFrame(0, 1);
         AddTextPrinterParameterized(0, 2, gText_WaitingTrainerFinishReading, 0, 1, TEXT_SPEED_FF, 0);
         CopyWindowToVram(0, COPYWIN_BOTH);
@@ -1472,7 +1472,7 @@ static bool8 SetTrainerCardBgsAndPals(void)
     switch (sTrainerCardDataPtr->bgPalLoadState)
     {
     case 0:
-        LoadBgTiles(3, sTrainerCardDataPtr->badgeTiles, ARRAY_COUNT(sTrainerCardDataPtr->badgeTiles), 0);
+        LoadBgTiles(3, sTrainerCardDataPtr->badgeTiles, NELEMS(sTrainerCardDataPtr->badgeTiles), 0);
         break;
     case 1:
         LoadBgTiles(0, sTrainerCardDataPtr->cardTiles, 0x1800, 0);
diff --git a/src/union_room.c b/src/union_room.c
index 772af688b..24b8a4d3e 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -2022,7 +2022,7 @@ static void Task_RunScriptAndFadeToActivity(u8 taskId)
     case 2:
         if (!gPaletteFade.active)
         {
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
             data[0]++;
         }
         break;
@@ -2246,7 +2246,7 @@ static void Task_MEvent_Leader(u8 taskId)
         Free(data->field_8);
         Free(data->field_0);
         Free(data->field_4);
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         data->state++;
         break;
     case 17:
@@ -2413,7 +2413,7 @@ static void Task_CardOrNewsWithFriend(u8 taskId)
         break;
     case 11:
         data->state++;
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         break;
     case 12:
         if (IsLinkTaskFinished())
@@ -2592,7 +2592,7 @@ static void Task_CardOrNewsOverWireless(u8 taskId)
         break;
     case 13:
         data->state++;
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         break;
     case 14:
         if (IsLinkTaskFinished())
@@ -2935,7 +2935,7 @@ static void Task_RunUnionRoom(u8 taskId)
         }
         break;
     case 32:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         data->state = 36;
         break;
     case 31:
@@ -2984,7 +2984,7 @@ static void Task_RunUnionRoom(u8 taskId)
         if (PrintOnTextbox(&data->textState, gStringVar4))
         {
             data->state = 41;
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
             data->partnerYesNoResponse = 0;
             data->recvActivityRequest[0] = 0;
         }
@@ -3162,7 +3162,7 @@ static void Task_RunUnionRoom(u8 taskId)
         }
         break;
     case 10:
-        Link_TryStartSend5FFF();
+        SetCloseLinkCallback();
         data->state = 36;
         break;
     case 36:
@@ -3185,7 +3185,7 @@ static void Task_RunUnionRoom(u8 taskId)
         UnionRoom_ScheduleFieldMessageWithFollowupState(14, gStringVar4);
         break;
     case 14:
-        PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+        SetLinkStandbyCallback();
         data->state = 15;
         break;
     case 15:
@@ -3447,7 +3447,7 @@ static bool32 UnionRoom_HandleContactFromOtherPlayer(struct UnkStruct_URoom * ur
         else if (var == 2)
         {
             uroom->state = 36;
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             return FALSE;
         }
     }
@@ -4689,7 +4689,7 @@ static void ViewURoomPartnerTrainerCard(u8 *unused, struct UnkStruct_URoom * uro
 
     DynamicPlaceholderTextUtil_Reset();
 
-    StringCopy(uroom->trainerCardStrbufs[0], gTrainerClassNames[sub_80447F0()]);
+    StringCopy(uroom->trainerCardStrbufs[0], gTrainerClassNames[GetUnionRoomTrainerClass()]);
     DynamicPlaceholderTextUtil_SetPlaceholderPtr(0, uroom->trainerCardStrbufs[0]);
 
     DynamicPlaceholderTextUtil_SetPlaceholderPtr(1, trainerCard->rse.playerName);
diff --git a/src/union_room_battle.c b/src/union_room_battle.c
index 3d5ef39eb..1e4528c8c 100644
--- a/src/union_room_battle.c
+++ b/src/union_room_battle.c
@@ -163,7 +163,7 @@ void CB2_UnionRoomBattle(void)
             }
             else
             {
-                Link_TryStartSend5FFF();
+                SetCloseLinkCallback();
                 if (gBlockRecvBuffer[GetMultiplayerId()][0] == (ACTIVITY_DECLINE | 0x40))
                 {
                     gMain.state = 6;
@@ -179,7 +179,7 @@ void CB2_UnionRoomBattle(void)
     case 50:
         if (!UpdatePaletteFade())
         {
-            PrepareSendLinkCmd2FFE_or_RfuCmd6600();
+            SetLinkStandbyCallback();
             gMain.state++;
         }
         break;
diff --git a/src/union_room_chat.c b/src/union_room_chat.c
index 5d19dc9cd..85df5cd39 100644
--- a/src/union_room_chat.c
+++ b/src/union_room_chat.c
@@ -587,7 +587,7 @@ static void ChatEntryRoutine_ExitChat(void)
     case 5:
         if (IsLinkTaskFinished() && !GetRfuUnkCE8())
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }
@@ -622,7 +622,7 @@ static void ChatEntryRoutine_Drop(void)
     case 1:
         if (!RunDisplaySubtask(0) && IsLinkTaskFinished() && !GetRfuUnkCE8())
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }
@@ -668,7 +668,7 @@ static void ChatEntryRoutine_Disbanded(void)
     case 2:
         if (RunDisplaySubtask(0) != TRUE && IsLinkTaskFinished() && !GetRfuUnkCE8())
         {
-            Link_TryStartSend5FFF();
+            SetCloseLinkCallback();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }
diff --git a/src/water.c b/src/water.c
index f8dd29bd0..8a1737e58 100644
--- a/src/water.c
+++ b/src/water.c
@@ -812,7 +812,7 @@ void AnimTask_CreateSurfWave(u8 taskId)
     SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(0, 16));
     SetAnimBgAttribute(1, BG_ANIM_PRIORITY, 1);
     SetAnimBgAttribute(1, BG_ANIM_SCREEN_SIZE, 1);
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     if (!IsContest())
     {
         SetAnimBgAttribute(1, BG_ANIM_CHAR_BASE_BLOCK, 1);
@@ -889,7 +889,7 @@ static void AnimTask_CreateSurfWave_Step1(u8 taskId)
 
     *BGptrX += gTasks[taskId].data[0];
     *BGptrY += gTasks[taskId].data[1];
-    sub_80752A0(&animBg);
+    GetBattleAnimBg1Data(&animBg);
     gTasks[taskId].data[2] += gTasks[taskId].data[1];
     if (++gTasks[taskId].data[5] == 4)
     {
@@ -928,8 +928,8 @@ static void AnimTask_CreateSurfWave_Step2(u8 taskId)
     u16 *BGptrY = &gBattle_BG1_Y;
     if (gTasks[taskId].data[0] == 0)
     {
-        sub_8075358(1);
-        sub_8075358(2);
+        InitBattleAnimBg(1);
+        InitBattleAnimBg(2);
         gTasks[taskId].data[0]++;
     }
     else