Document some single-remaining symbols

18 files changed, 216 insertions, 186 deletions

diff --git a/src/battle_anim_dark.c b/src/battle_anim_dark.c
index fdde34769..fe8b18105 100644
--- a/src/battle_anim_dark.c
+++ b/src/battle_anim_dark.c
@@ -784,7 +784,7 @@ void AnimTask_InitMementoShadow(u8 taskId)
     DestroyAnimVisualTask(taskId);
 }
 
-void sub_8114470(u8 taskId)
+void AnimTask_MementoHandleBg(u8 taskId)
 {
     u8 toBG2 = GetBattlerSpriteBGPriorityRank(gBattleAnimAttacker) ^ 1 ? 1 : 0;
     ResetBattleAnimBg(toBG2);
diff --git a/src/battle_anim_normal.c b/src/battle_anim_normal.c
index 15a1452e4..d79f344ed 100644
--- a/src/battle_anim_normal.c
+++ b/src/battle_anim_normal.c
@@ -733,50 +733,67 @@ void AnimTask_InvertScreenColor(u8 taskId)
     DestroyAnimVisualTask(taskId);
 }
 
-void UnusedAnimTask_8115F94(u8 taskId)
+// Unused
+#define tTimer         data[0]
+#define tLength        data[1]
+#define tFlagsScenery  data[2]
+#define tFlagsAttacker data[3]
+#define tFlagsTarget   data[4]
+#define tColorR        data[5]
+#define tColorG        data[6]
+#define tColorB        data[7]
+void AnimTask_TintPalettes(u8 taskId)
 {
     u8 attackerBattler;
     u8 targetBattler;
     u8 paletteIndex;
     u32 selectedPalettes = 0;
 
-    if (gTasks[taskId].data[0] == 0)
+    if (gTasks[taskId].tTimer == 0)
     {
-        gTasks[taskId].data[2] = gBattleAnimArgs[0];
-        gTasks[taskId].data[3] = gBattleAnimArgs[1];
-        gTasks[taskId].data[4] = gBattleAnimArgs[2];
-        gTasks[taskId].data[1] = gBattleAnimArgs[3];
-        gTasks[taskId].data[5] = gBattleAnimArgs[4];
-        gTasks[taskId].data[6] = gBattleAnimArgs[5];
-        gTasks[taskId].data[7] = gBattleAnimArgs[6];
+        gTasks[taskId].tFlagsScenery = gBattleAnimArgs[0];
+        gTasks[taskId].tFlagsAttacker = gBattleAnimArgs[1];
+        gTasks[taskId].tFlagsTarget = gBattleAnimArgs[2];
+        gTasks[taskId].tLength = gBattleAnimArgs[3];
+        gTasks[taskId].tColorR = gBattleAnimArgs[4];
+        gTasks[taskId].tColorG = gBattleAnimArgs[5];
+        gTasks[taskId].tColorB = gBattleAnimArgs[6];
     }
 
-    gTasks[taskId].data[0]++;
+    gTasks[taskId].tTimer++;
     attackerBattler = gBattleAnimAttacker;
     targetBattler = gBattleAnimTarget;
 
-    if (gTasks[taskId].data[2] & 0x100)
-        selectedPalettes = 0x0000FFFF;
+    if (gTasks[taskId].tFlagsScenery & (1 << 8))
+        selectedPalettes = PALETTES_BG;
 
-    if (gTasks[taskId].data[2] & 0x1)
+    if (gTasks[taskId].tFlagsScenery & 1)
     {
         paletteIndex = IndexOfSpritePaletteTag(gSprites[gHealthboxSpriteIds[attackerBattler]].template->paletteTag);
         selectedPalettes |= (1 << paletteIndex) << 16;
     }
 
-    if (gTasks[taskId].data[3] & 0x100)
+    if (gTasks[taskId].tFlagsAttacker & (1 << 8))
         selectedPalettes |= (1 << attackerBattler) << 16;
 
-    if (gTasks[taskId].data[4] & 0x100)
+    if (gTasks[taskId].tFlagsTarget & (1 << 8))
         selectedPalettes |= (1 << targetBattler) << 16;
 
-    TintPlttBuffer(selectedPalettes, gTasks[taskId].data[5], gTasks[taskId].data[6], gTasks[taskId].data[7]);
-    if (gTasks[taskId].data[0] == gTasks[taskId].data[1])
+    TintPlttBuffer(selectedPalettes, gTasks[taskId].tColorR, gTasks[taskId].tColorG, gTasks[taskId].tColorB);
+    if (gTasks[taskId].tTimer == gTasks[taskId].tLength)
     {
         UnfadePlttBuffer(selectedPalettes);
         DestroyAnimVisualTask(taskId);
     }
 }
+#undef tTimer
+#undef tLength
+#undef tFlagsScenery
+#undef tFlagsAttacker
+#undef tFlagsTarget
+#undef tColorR
+#undef tColorG
+#undef tColorB
 
 static void AnimShakeMonOrBattleTerrain(struct Sprite *sprite)
 {
diff --git a/src/battle_arena.c b/src/battle_arena.c
index 11c918225..e216e72d3 100644
--- a/src/battle_arena.c
+++ b/src/battle_arena.c
@@ -917,7 +917,7 @@ void DrawArenaRefereeTextBox(void)
     FillBgTilemapBufferRect(0, 0x836, 29, 19, 1,  1, palNum);
 }
 
-void RemoveArenaRefereeTextBox(void)
+void EraseArenaRefereeTextBox(void)
 {
     u8 width;
     u8 height;
diff --git a/src/battle_gfx_sfx_util.c b/src/battle_gfx_sfx_util.c
index 184d630b5..77755775e 100644
--- a/src/battle_gfx_sfx_util.c
+++ b/src/battle_gfx_sfx_util.c
@@ -1213,7 +1213,8 @@ void HideBattlerShadowSprite(u8 battlerId)
     gSprites[gBattleSpritesDataPtr->healthBoxesData[battlerId].shadowSpriteId].callback = SpriteCB_SetInvisible;
 }
 
-void sub_805EF14(void)
+// Color the background tiles surrounding the action selection and move windows
+void FillAroundBattleWindows(void)
 {
     u16 *vramPtr = (u16*)(VRAM + 0x240);
     s32 i;
diff --git a/src/battle_main.c b/src/battle_main.c
index 19505b385..f4e1c4d3d 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -961,7 +961,7 @@ static void CB2_HandleStartBattle(void)
             ShowBg(1);
             ShowBg(2);
             ShowBg(3);
-            sub_805EF14();
+            FillAroundBattleWindows();
             gBattleCommunication[MULTIUSE_STATE] = 1;
         }
         if (gWirelessCommType)
@@ -1157,7 +1157,7 @@ static void CB2_HandleStartMultiPartnerBattle(void)
             ShowBg(1);
             ShowBg(2);
             ShowBg(3);
-            sub_805EF14();
+            FillAroundBattleWindows();
             gBattleCommunication[MULTIUSE_STATE] = 1;
         }
         if (gWirelessCommType)
@@ -1558,7 +1558,7 @@ static void CB2_HandleStartMultiBattle(void)
             ShowBg(1);
             ShowBg(2);
             ShowBg(3);
-            sub_805EF14();
+            FillAroundBattleWindows();
             gBattleCommunication[MULTIUSE_STATE] = 1;
         }
         if (gWirelessCommType)
@@ -2150,7 +2150,7 @@ void CB2_InitEndLinkBattle(void)
 
     SetHBlankCallback(NULL);
     SetVBlankCallback(NULL);
-    gBattleTypeFlags &= ~(BATTLE_TYPE_LINK_IN_BATTLE);
+    gBattleTypeFlags &= ~BATTLE_TYPE_LINK_IN_BATTLE;
 
     if (gBattleTypeFlags & BATTLE_TYPE_FRONTIER)
     {
@@ -3116,7 +3116,7 @@ void SwitchInClearSetData(void)
              && (gStatuses3[i] & STATUS3_ALWAYS_HITS) != 0
              && (gDisableStructs[i].battlerWithSureHit == gActiveBattler))
             {
-                gStatuses3[i] &= ~(STATUS3_ALWAYS_HITS);
+                gStatuses3[i] &= ~STATUS3_ALWAYS_HITS;
                 gStatuses3[i] |= STATUS3_ALWAYS_HITS_TURN(2);
             }
         }
@@ -3130,9 +3130,9 @@ void SwitchInClearSetData(void)
     for (i = 0; i < gBattlersCount; i++)
     {
         if (gBattleMons[i].status2 & STATUS2_INFATUATED_WITH(gActiveBattler))
-            gBattleMons[i].status2 &= ~(STATUS2_INFATUATED_WITH(gActiveBattler));
+            gBattleMons[i].status2 &= ~STATUS2_INFATUATED_WITH(gActiveBattler);
         if ((gBattleMons[i].status2 & STATUS2_WRAPPED) && *(gBattleStruct->wrappedBy + i) == gActiveBattler)
-            gBattleMons[i].status2 &= ~(STATUS2_WRAPPED);
+            gBattleMons[i].status2 &= ~STATUS2_WRAPPED;
     }
 
     gActionSelectionCursor[gActiveBattler] = 0;
@@ -3212,9 +3212,9 @@ void FaintClearSetData(void)
         if ((gBattleMons[i].status2 & STATUS2_ESCAPE_PREVENTION) && gDisableStructs[i].battlerPreventingEscape == gActiveBattler)
             gBattleMons[i].status2 &= ~STATUS2_ESCAPE_PREVENTION;
         if (gBattleMons[i].status2 & STATUS2_INFATUATED_WITH(gActiveBattler))
-            gBattleMons[i].status2 &= ~(STATUS2_INFATUATED_WITH(gActiveBattler));
+            gBattleMons[i].status2 &= ~STATUS2_INFATUATED_WITH(gActiveBattler);
         if ((gBattleMons[i].status2 & STATUS2_WRAPPED) && *(gBattleStruct->wrappedBy + i) == gActiveBattler)
-            gBattleMons[i].status2 &= ~(STATUS2_WRAPPED);
+            gBattleMons[i].status2 &= ~STATUS2_WRAPPED;
     }
 
     gActionSelectionCursor[gActiveBattler] = 0;
@@ -3821,7 +3821,7 @@ static void TryDoEventsBeforeFirstTurn(void)
         gBattleCommunication[i] = 0;
 
     for (i = 0; i < gBattlersCount; i++)
-        gBattleMons[i].status2 &= ~(STATUS2_FLINCHED);
+        gBattleMons[i].status2 &= ~STATUS2_FLINCHED;
 
     *(&gBattleStruct->turnEffectsTracker) = 0;
     *(&gBattleStruct->turnEffectsBattlerId) = 0;
@@ -3852,7 +3852,7 @@ static void HandleEndTurn_ContinueBattle(void)
             gBattleCommunication[i] = 0;
         for (i = 0; i < gBattlersCount; i++)
         {
-            gBattleMons[i].status2 &= ~(STATUS2_FLINCHED);
+            gBattleMons[i].status2 &= ~STATUS2_FLINCHED;
             if ((gBattleMons[i].status1 & STATUS1_SLEEP) && (gBattleMons[i].status2 & STATUS2_MULTIPLETURNS))
                 CancelMultiTurnMoves(i);
         }
@@ -3884,10 +3884,10 @@ void BattleTurnPassed(void)
         return;
 
     TurnValuesCleanUp(FALSE);
-    gHitMarker &= ~(HITMARKER_NO_ATTACKSTRING);
-    gHitMarker &= ~(HITMARKER_UNABLE_TO_USE_MOVE);
-    gHitMarker &= ~(HITMARKER_x400000);
-    gHitMarker &= ~(HITMARKER_x100000);
+    gHitMarker &= ~HITMARKER_NO_ATTACKSTRING;
+    gHitMarker &= ~HITMARKER_UNABLE_TO_USE_MOVE;
+    gHitMarker &= ~HITMARKER_PLAYER_FAINTED;
+    gHitMarker &= ~HITMARKER_PASSIVE_DAMAGE;
     gBattleScripting.animTurn = 0;
     gBattleScripting.animTargetsHit = 0;
     gBattleScripting.moveendState = 0;
@@ -4795,12 +4795,12 @@ static void TurnValuesCleanUp(bool8 var0)
             {
                 gDisableStructs[gActiveBattler].rechargeTimer--;
                 if (gDisableStructs[gActiveBattler].rechargeTimer == 0)
-                    gBattleMons[gActiveBattler].status2 &= ~(STATUS2_RECHARGE);
+                    gBattleMons[gActiveBattler].status2 &= ~STATUS2_RECHARGE;
             }
         }
 
         if (gDisableStructs[gActiveBattler].substituteHP == 0)
-            gBattleMons[gActiveBattler].status2 &= ~(STATUS2_SUBSTITUTE);
+            gBattleMons[gActiveBattler].status2 &= ~STATUS2_SUBSTITUTE;
     }
 
     gSideTimers[0].followmeTimer = 0;
@@ -4860,15 +4860,15 @@ static void RunTurnActionsFunctions(void)
 
     if (gCurrentTurnActionNumber >= gBattlersCount) // everyone did their actions, turn finished
     {
-        gHitMarker &= ~(HITMARKER_x100000);
+        gHitMarker &= ~HITMARKER_PASSIVE_DAMAGE;
         gBattleMainFunc = sEndTurnFuncsTable[gBattleOutcome & 0x7F];
     }
     else
     {
         if (gBattleStruct->savedTurnActionNumber != gCurrentTurnActionNumber) // action turn has been done, clear hitmarker bits for another battlerId
         {
-            gHitMarker &= ~(HITMARKER_NO_ATTACKSTRING);
-            gHitMarker &= ~(HITMARKER_UNABLE_TO_USE_MOVE);
+            gHitMarker &= ~HITMARKER_NO_ATTACKSTRING;
+            gHitMarker &= ~HITMARKER_UNABLE_TO_USE_MOVE;
         }
     }
 }
@@ -4883,7 +4883,7 @@ static void HandleEndTurn_BattleWon(void)
         gBattleTextBuff1[0] = gBattleOutcome;
         gBattlerAttacker = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
         gBattlescriptCurrInstr = BattleScript_LinkBattleWonOrLost;
-        gBattleOutcome &= ~(B_OUTCOME_LINK_BATTLE_RAN);
+        gBattleOutcome &= ~B_OUTCOME_LINK_BATTLE_RAN;
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_TRAINER
             && gBattleTypeFlags & (BATTLE_TYPE_FRONTIER | BATTLE_TYPE_TRAINER_HILL | BATTLE_TYPE_EREADER_TRAINER))
@@ -4942,13 +4942,13 @@ static void HandleEndTurn_BattleLost(void)
             if (gBattleOutcome & B_OUTCOME_LINK_BATTLE_RAN)
             {
                 gBattlescriptCurrInstr = BattleScript_PrintPlayerForfeitedLinkBattle;
-                gBattleOutcome &= ~(B_OUTCOME_LINK_BATTLE_RAN);
+                gBattleOutcome &= ~B_OUTCOME_LINK_BATTLE_RAN;
                 gSaveBlock2Ptr->frontier.disableRecordBattle = TRUE;
             }
             else
             {
                 gBattlescriptCurrInstr = BattleScript_FrontierLinkBattleLost;
-                gBattleOutcome &= ~(B_OUTCOME_LINK_BATTLE_RAN);
+                gBattleOutcome &= ~B_OUTCOME_LINK_BATTLE_RAN;
             }
         }
         else
@@ -4956,7 +4956,7 @@ static void HandleEndTurn_BattleLost(void)
             gBattleTextBuff1[0] = gBattleOutcome;
             gBattlerAttacker = GetBattlerAtPosition(B_POSITION_PLAYER_LEFT);
             gBattlescriptCurrInstr = BattleScript_LinkBattleWonOrLost;
-            gBattleOutcome &= ~(B_OUTCOME_LINK_BATTLE_RAN);
+            gBattleOutcome &= ~B_OUTCOME_LINK_BATTLE_RAN;
         }
     }
     else
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 2a5b4c112..e33e31796 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -924,7 +924,7 @@ static void Cmd_attackcanceler(void)
         return;
     if (AbilityBattleEffects(ABILITYEFFECT_MOVES_BLOCK, gBattlerTarget, 0, 0, 0))
         return;
-    if (!gBattleMons[gBattlerAttacker].pp[gCurrMovePos] && gCurrentMove != MOVE_STRUGGLE && !(gHitMarker & (HITMARKER_x800000 | HITMARKER_NO_ATTACKSTRING))
+    if (!gBattleMons[gBattlerAttacker].pp[gCurrMovePos] && gCurrentMove != MOVE_STRUGGLE && !(gHitMarker & (HITMARKER_ALLOW_NO_PP | HITMARKER_NO_ATTACKSTRING))
      && !(gBattleMons[gBattlerAttacker].status2 & STATUS2_MULTIPLETURNS))
     {
         gBattlescriptCurrInstr = BattleScript_NoPPForMove;
@@ -932,7 +932,7 @@ static void Cmd_attackcanceler(void)
         return;
     }
 
-    gHitMarker &= ~(HITMARKER_x800000);
+    gHitMarker &= ~HITMARKER_ALLOW_NO_PP;
 
     if (!(gHitMarker & HITMARKER_OBEYS) && !(gBattleMons[gBattlerAttacker].status2 & STATUS2_MULTIPLETURNS))
     {
@@ -1237,7 +1237,7 @@ static void Cmd_ppreduce(void)
         }
     }
 
-    gHitMarker &= ~(HITMARKER_NO_PPDEDUCT);
+    gHitMarker &= ~HITMARKER_NO_PPDEDUCT;
     gBattlescriptCurrInstr++;
 }
 
@@ -1869,7 +1869,7 @@ static void Cmd_datahpupdate(void)
         }
         else
         {
-            gHitMarker &= ~(HITMARKER_IGNORE_SUBSTITUTE);
+            gHitMarker &= ~HITMARKER_IGNORE_SUBSTITUTE;
             if (gBattleMoveDamage < 0) // hp goes up
             {
                 gBattleMons[gActiveBattler].hp -= gBattleMoveDamage;
@@ -1879,9 +1879,9 @@ static void Cmd_datahpupdate(void)
             }
             else // hp goes down
             {
-                if (gHitMarker & HITMARKER_x20)
+                if (gHitMarker & HITMARKER_SKIP_DMG_TRACK)
                 {
-                    gHitMarker &= ~(HITMARKER_x20);
+                    gHitMarker &= ~HITMARKER_SKIP_DMG_TRACK;
                 }
                 else
                 {
@@ -1903,10 +1903,10 @@ static void Cmd_datahpupdate(void)
                     gBattleMons[gActiveBattler].hp = 0;
                 }
 
-                if (!gSpecialStatuses[gActiveBattler].dmg && !(gHitMarker & HITMARKER_x100000))
+                if (!gSpecialStatuses[gActiveBattler].dmg && !(gHitMarker & HITMARKER_PASSIVE_DAMAGE))
                     gSpecialStatuses[gActiveBattler].dmg = gHpDealt;
 
-                if (IS_TYPE_PHYSICAL(moveType) && !(gHitMarker & HITMARKER_x100000) && gCurrentMove != MOVE_PAIN_SPLIT)
+                if (IS_TYPE_PHYSICAL(moveType) && !(gHitMarker & HITMARKER_PASSIVE_DAMAGE) && gCurrentMove != MOVE_PAIN_SPLIT)
                 {
                     gProtectStructs[gActiveBattler].physicalDmg = gHpDealt;
                     gSpecialStatuses[gActiveBattler].physicalDmg = gHpDealt;
@@ -1921,7 +1921,7 @@ static void Cmd_datahpupdate(void)
                         gSpecialStatuses[gActiveBattler].physicalBattlerId = gBattlerTarget;
                     }
                 }
-                else if (!IS_TYPE_PHYSICAL(moveType) && !(gHitMarker & HITMARKER_x100000))
+                else if (!IS_TYPE_PHYSICAL(moveType) && !(gHitMarker & HITMARKER_PASSIVE_DAMAGE))
                 {
                     gProtectStructs[gActiveBattler].specialDmg = gHpDealt;
                     gSpecialStatuses[gActiveBattler].specialDmg = gHpDealt;
@@ -1937,7 +1937,7 @@ static void Cmd_datahpupdate(void)
                     }
                 }
             }
-            gHitMarker &= ~(HITMARKER_x100000);
+            gHitMarker &= ~HITMARKER_PASSIVE_DAMAGE;
             BtlController_EmitSetMonData(0, REQUEST_HP_BATTLE, 0, 2, &gBattleMons[gActiveBattler].hp);
             MarkBattlerForControllerExec(gActiveBattler);
         }
@@ -1972,7 +1972,7 @@ static void Cmd_effectivenesssound(void)
     gActiveBattler = gBattlerTarget;
     if (!(gMoveResultFlags & MOVE_RESULT_MISSED))
     {
-        switch (gMoveResultFlags & (u8)(~(MOVE_RESULT_MISSED)))
+        switch (gMoveResultFlags & (u8)(~MOVE_RESULT_MISSED))
         {
         case MOVE_RESULT_SUPER_EFFECTIVE:
             BtlController_EmitPlaySE(0, SE_SUPER_EFFECTIVE);
@@ -2026,7 +2026,7 @@ static void Cmd_resultmessage(void)
     else
     {
         gBattleCommunication[MSG_DISPLAY] = 1;
-        switch (gMoveResultFlags & (u8)(~(MOVE_RESULT_MISSED)))
+        switch (gMoveResultFlags & (u8)(~MOVE_RESULT_MISSED))
         {
         case MOVE_RESULT_SUPER_EFFECTIVE:
             stringId = STRINGID_SUPEREFFECTIVE;
@@ -2060,9 +2060,9 @@ static void Cmd_resultmessage(void)
             }
             else if (gMoveResultFlags & MOVE_RESULT_ONE_HIT_KO)
             {
-                gMoveResultFlags &= ~(MOVE_RESULT_ONE_HIT_KO);
-                gMoveResultFlags &= ~(MOVE_RESULT_SUPER_EFFECTIVE);
-                gMoveResultFlags &= ~(MOVE_RESULT_NOT_VERY_EFFECTIVE);
+                gMoveResultFlags &= ~MOVE_RESULT_ONE_HIT_KO;
+                gMoveResultFlags &= ~MOVE_RESULT_SUPER_EFFECTIVE;
+                gMoveResultFlags &= ~MOVE_RESULT_NOT_VERY_EFFECTIVE;
                 BattleScriptPushCursor();
                 gBattlescriptCurrInstr = BattleScript_OneHitKOMsg;
                 return;
@@ -2206,7 +2206,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
     if (gBattleCommunication[MOVE_EFFECT_BYTE] & MOVE_EFFECT_AFFECTS_USER)
     {
         gEffectBattler = gBattlerAttacker; // battlerId that effects get applied on
-        gBattleCommunication[MOVE_EFFECT_BYTE] &= ~(MOVE_EFFECT_AFFECTS_USER);
+        gBattleCommunication[MOVE_EFFECT_BYTE] &= ~MOVE_EFFECT_AFFECTS_USER;
         affectsUser = MOVE_EFFECT_AFFECTS_USER;
         gBattleScripting.battler = gBattlerTarget; // theoretically the attacker
     }
@@ -2273,7 +2273,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
                 if (gHitMarker & HITMARKER_IGNORE_SAFEGUARD)
                 {
                     gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_ABILITY_PREVENTS_ABILITY_STATUS;
-                    gHitMarker &= ~(HITMARKER_IGNORE_SAFEGUARD);
+                    gHitMarker &= ~HITMARKER_IGNORE_SAFEGUARD;
                 }
                 else
                 {
@@ -2314,7 +2314,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
                 if (gHitMarker & HITMARKER_IGNORE_SAFEGUARD)
                 {
                     gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_ABILITY_PREVENTS_ABILITY_STATUS;
-                    gHitMarker &= ~(HITMARKER_IGNORE_SAFEGUARD);
+                    gHitMarker &= ~HITMARKER_IGNORE_SAFEGUARD;
                 }
                 else
                 {
@@ -2370,7 +2370,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
                     if (gHitMarker & HITMARKER_IGNORE_SAFEGUARD)
                     {
                         gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_ABILITY_PREVENTS_ABILITY_STATUS;
-                        gHitMarker &= ~(HITMARKER_IGNORE_SAFEGUARD);
+                        gHitMarker &= ~HITMARKER_IGNORE_SAFEGUARD;
                     }
                     else
                     {
@@ -2398,7 +2398,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
                 if (gHitMarker & HITMARKER_IGNORE_SAFEGUARD)
                 {
                     gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_ABILITY_PREVENTS_ABILITY_STATUS;
-                    gHitMarker &= ~(HITMARKER_IGNORE_SAFEGUARD);
+                    gHitMarker &= ~HITMARKER_IGNORE_SAFEGUARD;
                 }
                 else
                 {
@@ -2424,8 +2424,8 @@ void SetMoveEffect(bool8 primary, u8 certain)
                     break;
 
                 // It's redundant, because at this point we know the status1 value is 0.
-                gBattleMons[gEffectBattler].status1 &= ~(STATUS1_TOXIC_POISON);
-                gBattleMons[gEffectBattler].status1 &= ~(STATUS1_POISON);
+                gBattleMons[gEffectBattler].status1 &= ~STATUS1_TOXIC_POISON;
+                gBattleMons[gEffectBattler].status1 &= ~STATUS1_POISON;
                 statusChanged = TRUE;
                 break;
             }
@@ -2453,7 +2453,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
             if (gHitMarker & HITMARKER_IGNORE_SAFEGUARD)
             {
                 gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_STATUSED_BY_ABILITY;
-                gHitMarker &= ~(HITMARKER_IGNORE_SAFEGUARD);
+                gHitMarker &= ~HITMARKER_IGNORE_SAFEGUARD;
             }
             else
             {
@@ -2790,7 +2790,7 @@ void SetMoveEffect(bool8 primary, u8 certain)
                 }
                 else
                 {
-                    gBattleMons[gBattlerTarget].status1 &= ~(STATUS1_PARALYSIS);
+                    gBattleMons[gBattlerTarget].status1 &= ~STATUS1_PARALYSIS;
 
                     gActiveBattler = gBattlerTarget;
                     BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gActiveBattler].status1);
@@ -2881,7 +2881,7 @@ static void Cmd_seteffectwithchance(void)
     if (gBattleCommunication[MOVE_EFFECT_BYTE] & MOVE_EFFECT_CERTAIN
         && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT))
     {
-        gBattleCommunication[MOVE_EFFECT_BYTE] &= ~(MOVE_EFFECT_CERTAIN);
+        gBattleCommunication[MOVE_EFFECT_BYTE] &= ~MOVE_EFFECT_CERTAIN;
         SetMoveEffect(FALSE, MOVE_EFFECT_CERTAIN);
     }
     else if (Random() % 100 < percentChance
@@ -2939,7 +2939,7 @@ static void Cmd_tryfaintmon(void)
 
             BattleScriptPop();
             gBattlescriptCurrInstr = BS_ptr;
-            gSideStatuses[GetBattlerSide(gActiveBattler)] &= ~(SIDE_STATUS_SPIKES_DAMAGED);
+            gSideStatuses[GetBattlerSide(gActiveBattler)] &= ~SIDE_STATUS_SPIKES_DAMAGED;
         }
         else
         {
@@ -2970,7 +2970,7 @@ static void Cmd_tryfaintmon(void)
             gBattlescriptCurrInstr = BS_ptr;
             if (GetBattlerSide(gActiveBattler) == B_SIDE_PLAYER)
             {
-                gHitMarker |= HITMARKER_x400000;
+                gHitMarker |= HITMARKER_PLAYER_FAINTED;
                 if (gBattleResults.playerFaintCounter < 0xFF)
                     gBattleResults.playerFaintCounter++;
                 AdjustFriendshipOnBattleFaint(gActiveBattler);
@@ -2983,7 +2983,7 @@ static void Cmd_tryfaintmon(void)
             }
             if ((gHitMarker & HITMARKER_DESTINYBOND) && gBattleMons[gBattlerAttacker].hp != 0)
             {
-                gHitMarker &= ~(HITMARKER_DESTINYBOND);
+                gHitMarker &= ~HITMARKER_DESTINYBOND;
                 BattleScriptPush(gBattlescriptCurrInstr);
                 gBattleMoveDamage = gBattleMons[battlerId].hp;
                 gBattlescriptCurrInstr = BattleScript_DestinyBondTakesLife;
@@ -3581,8 +3581,8 @@ static void MoveValuesCleanUp(void)
     gCritMultiplier = 1;
     gBattleCommunication[MOVE_EFFECT_BYTE] = 0;
     gBattleCommunication[MISS_TYPE] = 0;
-    gHitMarker &= ~(HITMARKER_DESTINYBOND);
-    gHitMarker &= ~(HITMARKER_SYNCHRONISE_EFFECT);
+    gHitMarker &= ~HITMARKER_DESTINYBOND;
+    gHitMarker &= ~HITMARKER_SYNCHRONISE_EFFECT;
 }
 
 static void Cmd_movevaluescleanup(void)
@@ -4217,7 +4217,7 @@ static void Cmd_moveend(void)
                 && gSpecialStatuses[gBattlerTarget].specialDmg
                 && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT) && moveType == TYPE_FIRE)
             {
-                gBattleMons[gBattlerTarget].status1 &= ~(STATUS1_FREEZE);
+                gBattleMons[gBattlerTarget].status1 &= ~STATUS1_FREEZE;
                 gActiveBattler = gBattlerTarget;
                 BtlController_EmitSetMonData(0, REQUEST_STATUS_BATTLE, 0, 4, &gBattleMons[gBattlerTarget].status1);
                 MarkBattlerForControllerExec(gActiveBattler);
@@ -4313,7 +4313,7 @@ static void Cmd_moveend(void)
                 gActiveBattler = gBattlerAttacker;
                 BtlController_EmitSpriteInvisibility(0, FALSE);
                 MarkBattlerForControllerExec(gActiveBattler);
-                gStatuses3[gBattlerAttacker] &= ~(STATUS3_SEMI_INVULNERABLE);
+                gStatuses3[gBattlerAttacker] &= ~STATUS3_SEMI_INVULNERABLE;
                 gSpecialStatuses[gBattlerAttacker].restoredBattlerSprite = 1;
                 gBattleScripting.moveendState++;
                 return;
@@ -4327,7 +4327,7 @@ static void Cmd_moveend(void)
                 gActiveBattler = gBattlerTarget;
                 BtlController_EmitSpriteInvisibility(0, FALSE);
                 MarkBattlerForControllerExec(gActiveBattler);
-                gStatuses3[gBattlerTarget] &= ~(STATUS3_SEMI_INVULNERABLE);
+                gStatuses3[gBattlerTarget] &= ~STATUS3_SEMI_INVULNERABLE;
                 gBattleScripting.moveendState++;
                 return;
             }
@@ -4337,7 +4337,7 @@ static void Cmd_moveend(void)
             for (i = 0; i < gBattlersCount; i++)
             {
                 if (gDisableStructs[i].substituteHP == 0)
-                    gBattleMons[i].status2 &= ~(STATUS2_SUBSTITUTE);
+                    gBattleMons[i].status2 &= ~STATUS2_SUBSTITUTE;
             }
             gBattleScripting.moveendState++;
             break;
@@ -4347,7 +4347,7 @@ static void Cmd_moveend(void)
                 gActiveBattler = gBattlerAttacker;
                 gBattlerAttacker = gBattlerTarget;
                 gBattlerTarget = gActiveBattler;
-                gHitMarker &= ~(HITMARKER_SWAP_ATTACKER_TARGET);
+                gHitMarker &= ~HITMARKER_SWAP_ATTACKER_TARGET;
             }
             if (gHitMarker & HITMARKER_ATTACKSTRING_PRINTED)
             {
@@ -4657,7 +4657,7 @@ static void Cmd_jumpifcantswitch(void)
     s32 lastMonId;
     struct Pokemon *party;
 
-    gActiveBattler = GetBattlerForBattleScript(gBattlescriptCurrInstr[1] & ~(SWITCH_IGNORE_ESCAPE_PREVENTION));
+    gActiveBattler = GetBattlerForBattleScript(gBattlescriptCurrInstr[1] & ~SWITCH_IGNORE_ESCAPE_PREVENTION);
 
     if (!(gBattlescriptCurrInstr[1] & SWITCH_IGNORE_ESCAPE_PREVENTION)
         && ((gBattleMons[gActiveBattler].status2 & (STATUS2_WRAPPED | STATUS2_ESCAPE_PREVENTION))
@@ -4837,7 +4837,7 @@ static void Cmd_openpartyscreen(void)
                     if (HasNoMonsToSwitch(gActiveBattler, PARTY_SIZE, PARTY_SIZE))
                     {
                         gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                        gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                        gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                         BtlController_EmitLinkStandbyMsg(0, 2, FALSE);
                         MarkBattlerForControllerExec(gActiveBattler);
                     }
@@ -4866,7 +4866,7 @@ static void Cmd_openpartyscreen(void)
                 if (HasNoMonsToSwitch(0, PARTY_SIZE, PARTY_SIZE))
                 {
                     gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                    gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                    gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                     BtlController_EmitCantSwitch(0);
                     MarkBattlerForControllerExec(gActiveBattler);
                 }
@@ -4888,7 +4888,7 @@ static void Cmd_openpartyscreen(void)
                 if (HasNoMonsToSwitch(2, PARTY_SIZE, PARTY_SIZE))
                 {
                     gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                    gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                    gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                     BtlController_EmitCantSwitch(0);
                     MarkBattlerForControllerExec(gActiveBattler);
                 }
@@ -4909,7 +4909,7 @@ static void Cmd_openpartyscreen(void)
                 if (HasNoMonsToSwitch(1, PARTY_SIZE, PARTY_SIZE))
                 {
                     gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                    gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                    gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                     BtlController_EmitCantSwitch(0);
                     MarkBattlerForControllerExec(gActiveBattler);
                 }
@@ -4931,7 +4931,7 @@ static void Cmd_openpartyscreen(void)
                 if (HasNoMonsToSwitch(3, PARTY_SIZE, PARTY_SIZE))
                 {
                     gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                    gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                    gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                     BtlController_EmitCantSwitch(0);
                     MarkBattlerForControllerExec(gActiveBattler);
                 }
@@ -4994,7 +4994,7 @@ static void Cmd_openpartyscreen(void)
                     if (HasNoMonsToSwitch(2, gBattleBufferB[0][1], PARTY_SIZE))
                     {
                         gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                        gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                        gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                         BtlController_EmitCantSwitch(0);
                         MarkBattlerForControllerExec(gActiveBattler);
                     }
@@ -5010,7 +5010,7 @@ static void Cmd_openpartyscreen(void)
                     if (HasNoMonsToSwitch(3, gBattleBufferB[1][1], PARTY_SIZE))
                     {
                         gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-                        gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+                        gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
                         BtlController_EmitCantSwitch(0);
                         MarkBattlerForControllerExec(gActiveBattler);
                     }
@@ -5049,7 +5049,7 @@ static void Cmd_openpartyscreen(void)
         else
             hitmarkerFaintBits = PARTY_ACTION_SEND_OUT;
 
-        battlerId = GetBattlerForBattleScript(gBattlescriptCurrInstr[1] & ~(PARTY_SCREEN_OPTIONAL));
+        battlerId = GetBattlerForBattleScript(gBattlescriptCurrInstr[1] & ~PARTY_SCREEN_OPTIONAL);
         if (gSpecialStatuses[battlerId].flag40)
         {
             gBattlescriptCurrInstr += 6;
@@ -5058,7 +5058,7 @@ static void Cmd_openpartyscreen(void)
         {
             gActiveBattler = battlerId;
             gAbsentBattlerFlags |= gBitTable[gActiveBattler];
-            gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+            gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
             gBattlescriptCurrInstr = jumpPtr;
         }
         else
@@ -5174,7 +5174,7 @@ static void Cmd_switchineffects(void)
     gActiveBattler = GetBattlerForBattleScript(gBattlescriptCurrInstr[1]);
     UpdateSentPokesToOpponentValue(gActiveBattler);
 
-    gHitMarker &= ~(HITMARKER_FAINTED(gActiveBattler));
+    gHitMarker &= ~HITMARKER_FAINTED(gActiveBattler);
     gSpecialStatuses[gActiveBattler].flag40 = 0;
 
     if (!(gSideStatuses[GetBattlerSide(gActiveBattler)] & SIDE_STATUS_SPIKES_DAMAGED)
@@ -5186,8 +5186,8 @@ static void Cmd_switchineffects(void)
 
         gSideStatuses[GetBattlerSide(gActiveBattler)] |= SIDE_STATUS_SPIKES_DAMAGED;
 
-        gBattleMons[gActiveBattler].status2 &= ~(STATUS2_DESTINY_BOND);
-        gHitMarker &= ~(HITMARKER_DESTINYBOND);
+        gBattleMons[gActiveBattler].status2 &= ~STATUS2_DESTINY_BOND;
+        gHitMarker &= ~HITMARKER_DESTINYBOND;
 
         spikesDmg = (5 - gSideTimers[GetBattlerSide(gActiveBattler)].spikesAmount) * 2;
         gBattleMoveDamage = gBattleMons[gActiveBattler].maxHP / (spikesDmg);
@@ -5216,7 +5216,7 @@ static void Cmd_switchineffects(void)
         if (!AbilityBattleEffects(ABILITYEFFECT_ON_SWITCHIN, gActiveBattler, 0, 0, 0)
             && !ItemBattleEffects(ITEMEFFECT_ON_SWITCH_IN, gActiveBattler, FALSE))
         {
-            gSideStatuses[GetBattlerSide(gActiveBattler)] &= ~(SIDE_STATUS_SPIKES_DAMAGED);
+            gSideStatuses[GetBattlerSide(gActiveBattler)] &= ~SIDE_STATUS_SPIKES_DAMAGED;
 
             for (i = 0; i < gBattlersCount; i++)
             {
@@ -5632,7 +5632,7 @@ static void Cmd_swapattackerwithtarget(void)
     gBattlerTarget = gActiveBattler;
 
     if (gHitMarker & HITMARKER_SWAP_ATTACKER_TARGET)
-        gHitMarker &= ~(HITMARKER_SWAP_ATTACKER_TARGET);
+        gHitMarker &= ~HITMARKER_SWAP_ATTACKER_TARGET;
     else
         gHitMarker |= HITMARKER_SWAP_ATTACKER_TARGET;
 
@@ -6315,13 +6315,13 @@ static void Cmd_various(void)
                 *choicedMove = 0;
         }
         break;
-    case 7:
+    case VARIOUS_RESET_PLAYER_FAINTED:
         if (!(gBattleTypeFlags & (BATTLE_TYPE_LINK | BATTLE_TYPE_DOUBLE))
             && gBattleTypeFlags & BATTLE_TYPE_TRAINER
             && gBattleMons[0].hp != 0
             && gBattleMons[1].hp != 0)
         {
-            gHitMarker &= ~(HITMARKER_x400000);
+            gHitMarker &= ~HITMARKER_PLAYER_FAINTED;
         }
         break;
     case VARIOUS_PALACE_FLAVOR_TEXT:
@@ -6355,7 +6355,7 @@ static void Cmd_various(void)
     case VARIOUS_ARENA_PLAYER_MON_LOST:
         gBattleMons[0].hp = 0;
         gHitMarker |= HITMARKER_FAINTED(0);
-        gHitMarker |= HITMARKER_x400000;
+        gHitMarker |= HITMARKER_PLAYER_FAINTED;
         gBattleStruct->arenaLostPlayerMons |= gBitTable[gBattlerPartyIndexes[0]];
         gDisableStructs[0].truantSwitchInHack = 1;
         break;
@@ -6364,7 +6364,7 @@ static void Cmd_various(void)
         gBattleMons[1].hp = 0;
         gHitMarker |= HITMARKER_FAINTED(0);
         gHitMarker |= HITMARKER_FAINTED(1);
-        gHitMarker |= HITMARKER_x400000;
+        gHitMarker |= HITMARKER_PLAYER_FAINTED;
         gBattleStruct->arenaLostPlayerMons |= gBitTable[gBattlerPartyIndexes[0]];
         gBattleStruct->arenaLostOpponentMons |= gBitTable[gBattlerPartyIndexes[1]];
         gDisableStructs[0].truantSwitchInHack = 1;
@@ -6374,11 +6374,11 @@ static void Cmd_various(void)
         BtlController_EmitYesNoBox(0);
         MarkBattlerForControllerExec(gActiveBattler);
         break;
-    case 14:
+    case VARIOUS_DRAW_ARENA_REF_TEXT_BOX:
         DrawArenaRefereeTextBox();
         break;
-    case 15:
-        RemoveArenaRefereeTextBox();
+    case VARIOUS_ERASE_ARENA_REF_TEXT_BOX:
+        EraseArenaRefereeTextBox();
         break;
     case VARIOUS_ARENA_JUDGMENT_STRING:
         BattleStringExpandPlaceholdersToDisplayedString(gRefereeStringsTable[gBattlescriptCurrInstr[1]]);
@@ -6420,8 +6420,8 @@ static void Cmd_various(void)
     case VARIOUS_SET_ALREADY_STATUS_MOVE_ATTEMPT:
         gBattleStruct->alreadyStatusedMoveAttempt |= gBitTable[gActiveBattler];
         break;
-    case 24:
-        if (sub_805725C(gActiveBattler))
+    case VARIOUS_PALACE_TRY_ESCAPE_STATUS:
+        if (BattlePalace_TryEscapeStatus(gActiveBattler))
             return;
         break;
     case VARIOUS_SET_TELEPORT_OUTCOME:
@@ -6595,14 +6595,14 @@ static void Cmd_trymirrormove(void)
 
     if (move != 0 && move != 0xFFFF)
     {
-        gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+        gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
         gCurrentMove = move;
         gBattlerTarget = GetMoveTarget(gCurrentMove, 0);
         gBattlescriptCurrInstr = gBattleScriptsForMoveEffects[gBattleMoves[gCurrentMove].effect];
     }
     else if (validMovesCount)
     {
-        gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+        gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
         i = Random() % validMovesCount;
         gCurrentMove = movesArray[i];
         gBattlerTarget = GetMoveTarget(gCurrentMove, 0);
@@ -6882,15 +6882,15 @@ static u8 ChangeStatBuffs(s8 statValue, u8 statId, u8 flags, const u8 *BS_ptr)
     else
         gActiveBattler = gBattlerTarget;
 
-    flags &= ~(MOVE_EFFECT_AFFECTS_USER);
+    flags &= ~MOVE_EFFECT_AFFECTS_USER;
 
     if (flags & MOVE_EFFECT_CERTAIN)
         certain++;
-    flags &= ~(MOVE_EFFECT_CERTAIN);
+    flags &= ~MOVE_EFFECT_CERTAIN;
 
     if (flags & STAT_BUFF_NOT_PROTECT_AFFECTED)
         notProtectAffected++;
-    flags &= ~(STAT_BUFF_NOT_PROTECT_AFFECTED);
+    flags &= ~STAT_BUFF_NOT_PROTECT_AFFECTED;
 
     PREPARE_STAT_BUFFER(gBattleTextBuff1, statId)
 
@@ -7719,7 +7719,7 @@ static void Cmd_setsubstitute(void)
             gBattleMoveDamage = 1;
 
         gBattleMons[gBattlerAttacker].status2 |= STATUS2_SUBSTITUTE;
-        gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_WRAPPED);
+        gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_WRAPPED;
         gDisableStructs[gBattlerAttacker].substituteHP = gBattleMoveDamage;
         gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_SET_SUBSTITUTE;
         gHitMarker |= HITMARKER_IGNORE_SUBSTITUTE;
@@ -7803,7 +7803,7 @@ static void Cmd_metronome(void)
 
         if (sMovesForbiddenToCopy[i] == METRONOME_FORBIDDEN_END)
         {
-            gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+            gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
             gBattlescriptCurrInstr = gBattleScriptsForMoveEffects[gBattleMoves[gCurrentMove].effect];
             gBattlerTarget = GetMoveTarget(gCurrentMove, 0);
             return;
@@ -8019,7 +8019,7 @@ static void Cmd_settypetorandomresistance(void) // conversion 2
 
 static void Cmd_setalwayshitflag(void)
 {
-    gStatuses3[gBattlerTarget] &= ~(STATUS3_ALWAYS_HITS);
+    gStatuses3[gBattlerTarget] &= ~STATUS3_ALWAYS_HITS;
     gStatuses3[gBattlerTarget] |= STATUS3_ALWAYS_HITS_TURN(2);
     gDisableStructs[gBattlerTarget].battlerWithSureHit = gBattlerAttacker;
     gBattlescriptCurrInstr++;
@@ -8137,7 +8137,7 @@ static void Cmd_trychoosesleeptalkmove(void)
 
     }
 
-    unusableMovesBits = CheckMoveLimitations(gBattlerAttacker, unusableMovesBits, ~(MOVE_LIMITATION_PP));
+    unusableMovesBits = CheckMoveLimitations(gBattlerAttacker, unusableMovesBits, ~MOVE_LIMITATION_PP);
     if (unusableMovesBits == 0xF) // all 4 moves cannot be chosen
     {
         gBattlescriptCurrInstr += 5;
@@ -8153,7 +8153,7 @@ static void Cmd_trychoosesleeptalkmove(void)
 
         gCalledMove = gBattleMons[gBattlerAttacker].moves[movePosition];
         gCurrMovePos = movePosition;
-        gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+        gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
         gBattlerTarget = GetMoveTarget(gCalledMove, 0);
         gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 1);
     }
@@ -8269,7 +8269,7 @@ static void Cmd_healpartystatus(void)
         if (gBattleMons[gBattlerAttacker].ability != ABILITY_SOUNDPROOF)
         {
             gBattleMons[gBattlerAttacker].status1 = 0;
-            gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_NIGHTMARE);
+            gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_NIGHTMARE;
         }
         else
         {
@@ -8285,7 +8285,7 @@ static void Cmd_healpartystatus(void)
             if (gBattleMons[gActiveBattler].ability != ABILITY_SOUNDPROOF)
             {
                 gBattleMons[gActiveBattler].status1 = 0;
-                gBattleMons[gActiveBattler].status2 &= ~(STATUS2_NIGHTMARE);
+                gBattleMons[gActiveBattler].status2 &= ~STATUS2_NIGHTMARE;
             }
             else
             {
@@ -8325,14 +8325,14 @@ static void Cmd_healpartystatus(void)
         toHeal = 0x3F;
 
         gBattleMons[gBattlerAttacker].status1 = 0;
-        gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_NIGHTMARE);
+        gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_NIGHTMARE;
 
         gActiveBattler = GetBattlerAtPosition(GetBattlerPosition(gBattlerAttacker) ^ BIT_FLANK);
         if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE
             && !(gAbsentBattlerFlags & gBitTable[gActiveBattler]))
         {
             gBattleMons[gActiveBattler].status1 = 0;
-            gBattleMons[gActiveBattler].status2 &= ~(STATUS2_NIGHTMARE);
+            gBattleMons[gActiveBattler].status2 &= ~STATUS2_NIGHTMARE;
         }
 
     }
@@ -8435,7 +8435,7 @@ static void Cmd_rolloutdamagecalculation(void)
         }
         if (--gDisableStructs[gBattlerAttacker].rolloutTimer == 0) // last hit
         {
-            gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_MULTIPLETURNS);
+            gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_MULTIPLETURNS;
         }
 
         gDynamicBasePower = gBattleMoves[gCurrentMove].power;
@@ -8515,7 +8515,7 @@ static void Cmd_presentdamagecalculation(void)
         gBattlescriptCurrInstr = BattleScript_AlreadyAtFullHp;
     else
     {
-        gMoveResultFlags &= ~(MOVE_RESULT_DOESNT_AFFECT_FOE);
+        gMoveResultFlags &= ~MOVE_RESULT_DOESNT_AFFECT_FOE;
         gBattlescriptCurrInstr = BattleScript_PresentHealTarget;
     }
 }
@@ -8628,7 +8628,7 @@ static void Cmd_jumpifnopursuitswitchdmg(void)
         gCurrMovePos = gChosenMovePos = *(gBattleStruct->chosenMovePositions + gBattlerTarget);
         gBattlescriptCurrInstr += 5;
         gBattleScripting.animTurn = 1;
-        gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+        gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
     }
     else
     {
@@ -8693,7 +8693,7 @@ static void Cmd_rapidspinfree(void)
     if (gBattleMons[gBattlerAttacker].status2 & STATUS2_WRAPPED)
     {
         gBattleScripting.battler = gBattlerTarget;
-        gBattleMons[gBattlerAttacker].status2 &= ~(STATUS2_WRAPPED);
+        gBattleMons[gBattlerAttacker].status2 &= ~STATUS2_WRAPPED;
         gBattlerTarget = *(gBattleStruct->wrappedBy + gBattlerAttacker);
 
         gBattleTextBuff1[0] = B_BUFF_PLACEHOLDER_BEGIN;
@@ -8707,14 +8707,14 @@ static void Cmd_rapidspinfree(void)
     }
     else if (gStatuses3[gBattlerAttacker] & STATUS3_LEECHSEED)
     {
-        gStatuses3[gBattlerAttacker] &= ~(STATUS3_LEECHSEED);
-        gStatuses3[gBattlerAttacker] &= ~(STATUS3_LEECHSEED_BATTLER);
+        gStatuses3[gBattlerAttacker] &= ~STATUS3_LEECHSEED;
+        gStatuses3[gBattlerAttacker] &= ~STATUS3_LEECHSEED_BATTLER;
         BattleScriptPushCursor();
         gBattlescriptCurrInstr = BattleScript_LeechSeedFree;
     }
     else if (gSideStatuses[GetBattlerSide(gBattlerAttacker)] & SIDE_STATUS_SPIKES)
     {
-        gSideStatuses[GetBattlerSide(gBattlerAttacker)] &= ~(SIDE_STATUS_SPIKES);
+        gSideStatuses[GetBattlerSide(gBattlerAttacker)] &= ~SIDE_STATUS_SPIKES;
         gSideTimers[GetBattlerSide(gBattlerAttacker)].spikesAmount = 0;
         BattleScriptPushCursor();
         gBattlescriptCurrInstr = BattleScript_SpikesFree;
@@ -8970,7 +8970,7 @@ static void Cmd_setcharge(void)
 
 static void Cmd_callterrainattack(void) // nature power
 {
-    gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+    gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
     gCurrentMove = sNaturePowerMoves[gBattleTerrain];
     gBattlerTarget = GetMoveTarget(gCurrentMove, 0);
     BattleScriptPush(gBattleScriptsForMoveEffects[gBattleMoves[gCurrentMove].effect]);
@@ -9380,7 +9380,7 @@ static void Cmd_assistattackselect(void)
     }
     if (chooseableMovesNo)
     {
-        gHitMarker &= ~(HITMARKER_ATTACKSTRING_PRINTED);
+        gHitMarker &= ~HITMARKER_ATTACKSTRING_PRINTED;
         gCalledMove = movesArray[((Random() & 0xFF) * chooseableMovesNo) >> 8];
         gBattlerTarget = GetMoveTarget(gCalledMove, 0);
         gBattlescriptCurrInstr += 5;
@@ -9736,8 +9736,8 @@ static void Cmd_removelightscreenreflect(void) // brick break
 
     if (gSideTimers[opposingSide].reflectTimer || gSideTimers[opposingSide].lightscreenTimer)
     {
-        gSideStatuses[opposingSide] &= ~(SIDE_STATUS_REFLECT);
-        gSideStatuses[opposingSide] &= ~(SIDE_STATUS_LIGHTSCREEN);
+        gSideStatuses[opposingSide] &= ~SIDE_STATUS_REFLECT;
+        gSideStatuses[opposingSide] &= ~SIDE_STATUS_LIGHTSCREEN;
         gSideTimers[opposingSide].reflectTimer = 0;
         gSideTimers[opposingSide].lightscreenTimer = 0;
         gBattleScripting.animTurn = 1;
diff --git a/src/battle_util.c b/src/battle_util.c
index 9af456449..62f7897c6 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -646,9 +646,9 @@ void HandleAction_NothingIsFainted(void)
     gCurrentActionFuncId = gActionsByTurnOrder[gCurrentTurnActionNumber];
     gHitMarker &= ~(HITMARKER_DESTINYBOND | HITMARKER_IGNORE_SUBSTITUTE | HITMARKER_ATTACKSTRING_PRINTED
                     | HITMARKER_NO_PPDEDUCT | HITMARKER_IGNORE_SAFEGUARD | HITMARKER_IGNORE_ON_AIR
-                    | HITMARKER_IGNORE_UNDERGROUND | HITMARKER_IGNORE_UNDERWATER | HITMARKER_x100000
-                    | HITMARKER_OBEYS | HITMARKER_x10 | HITMARKER_SYNCHRONISE_EFFECT
-                    | HITMARKER_CHARGING | HITMARKER_x4000000);
+                    | HITMARKER_IGNORE_UNDERGROUND | HITMARKER_IGNORE_UNDERWATER | HITMARKER_PASSIVE_DAMAGE
+                    | HITMARKER_OBEYS | HITMARKER_WAKE_UP_CLEAR | HITMARKER_SYNCHRONISE_EFFECT
+                    | HITMARKER_CHARGING | HITMARKER_NEVER_SET);
 }
 
 void HandleAction_ActionFinished(void)
@@ -659,9 +659,9 @@ void HandleAction_ActionFinished(void)
     SpecialStatusesClear();
     gHitMarker &= ~(HITMARKER_DESTINYBOND | HITMARKER_IGNORE_SUBSTITUTE | HITMARKER_ATTACKSTRING_PRINTED
                     | HITMARKER_NO_PPDEDUCT | HITMARKER_IGNORE_SAFEGUARD | HITMARKER_IGNORE_ON_AIR
-                    | HITMARKER_IGNORE_UNDERGROUND | HITMARKER_IGNORE_UNDERWATER | HITMARKER_x100000
-                    | HITMARKER_OBEYS | HITMARKER_x10 | HITMARKER_SYNCHRONISE_EFFECT
-                    | HITMARKER_CHARGING | HITMARKER_x4000000);
+                    | HITMARKER_IGNORE_UNDERGROUND | HITMARKER_IGNORE_UNDERWATER | HITMARKER_PASSIVE_DAMAGE
+                    | HITMARKER_OBEYS | HITMARKER_WAKE_UP_CLEAR | HITMARKER_SYNCHRONISE_EFFECT
+                    | HITMARKER_CHARGING | HITMARKER_NEVER_SET);
 
     gCurrentMove = 0;
     gBattleMoveDamage = 0;
@@ -1443,7 +1443,7 @@ u8 DoBattlerEndTurnEffects(void)
 {
     u8 effect = 0;
 
-    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_x20);
+    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_SKIP_DMG_TRACK);
     while (gBattleStruct->turnEffectsBattlerId < gBattlersCount && gBattleStruct->turnEffectsTracker <= ENDTURN_BATTLER_COUNT)
     {
         gActiveBattler = gBattlerAttacker = gBattlerByTurnOrder[gBattleStruct->turnEffectsBattlerId];
@@ -1756,13 +1756,13 @@ u8 DoBattlerEndTurnEffects(void)
                 return effect;
         }
     }
-    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_x20);
+    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_SKIP_DMG_TRACK);
     return 0;
 }
 
 bool8 HandleWishPerishSongOnTurnEnd(void)
 {
-    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_x20);
+    gHitMarker |= (HITMARKER_GRUDGE | HITMARKER_SKIP_DMG_TRACK);
 
     switch (gBattleStruct->wishPerishSongState)
     {
@@ -1862,7 +1862,7 @@ bool8 HandleWishPerishSongOnTurnEnd(void)
         break;
     }
 
-    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_x20);
+    gHitMarker &= ~(HITMARKER_GRUDGE | HITMARKER_SKIP_DMG_TRACK);
 
     return FALSE;
 }
@@ -4067,7 +4067,7 @@ u8 IsMonDisobedient(void)
             gCalledMove = gBattleMons[gBattlerAttacker].moves[gCurrMovePos];
             gBattlescriptCurrInstr = BattleScript_IgnoresAndUsesRandomMove;
             gBattlerTarget = GetMoveTarget(gCalledMove, 0);
-            gHitMarker |= HITMARKER_x200000;
+            gHitMarker |= HITMARKER_DISOBEDIENT_MOVE;
             return 2;
         }
     }
diff --git a/src/battle_util2.c b/src/battle_util2.c
index def7302d3..3838f22bb 100644
--- a/src/battle_util2.c
+++ b/src/battle_util2.c
@@ -121,7 +121,9 @@ void SwitchPartyOrderInGameMulti(u8 battlerId, u8 arg1)
     }
 }
 
-u32 sub_805725C(u8 battlerId)
+// Called when a Pokémon is unable to attack during a Battle Palace battle.
+// Check if it was because they are frozen/asleep, and if so try to cure the status.
+u32 BattlePalace_TryEscapeStatus(u8 battlerId)
 {
     u32 effect = 0;
 
@@ -134,6 +136,7 @@ u32 sub_805725C(u8 battlerId)
             {
                 if (UproarWakeUpCheck(battlerId))
                 {
+                    // Wake up from Uproar
                     gBattleMons[battlerId].status1 &= ~(STATUS1_SLEEP);
                     gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                     BattleScriptPushCursor();
@@ -150,6 +153,7 @@ u32 sub_805725C(u8 battlerId)
                     else
                         toSub = 1;
 
+                    // Reduce number of sleep turns
                     if ((gBattleMons[battlerId].status1 & STATUS1_SLEEP) < toSub)
                         gBattleMons[battlerId].status1 &= ~(STATUS1_SLEEP);
                     else
@@ -157,11 +161,13 @@ u32 sub_805725C(u8 battlerId)
 
                     if (gBattleMons[battlerId].status1 & STATUS1_SLEEP)
                     {
+                        // Still asleep
                         gBattlescriptCurrInstr = BattleScript_MoveUsedIsAsleep;
                         effect = 2;
                     }
                     else
                     {
+                        // Wake up
                         gBattleMons[battlerId].status2 &= ~(STATUS2_NIGHTMARE);
                         BattleScriptPushCursor();
                         gBattleCommunication[MULTISTRING_CHOOSER] = B_MSG_WOKE_UP;
@@ -177,10 +183,12 @@ u32 sub_805725C(u8 battlerId)
             {
                 if (Random() % 5 != 0)
                 {
+                    // Still frozen
                     gBattlescriptCurrInstr = BattleScript_MoveUsedIsFrozen;
                 }
                 else
                 {
+                    // Unfreeze
                     gBattleMons[battlerId].status1 &= ~(STATUS1_FREEZE);
                     BattleScriptPushCursor();
                     gBattlescriptCurrInstr = BattleScript_MoveUsedUnfroze;
@@ -193,7 +201,7 @@ u32 sub_805725C(u8 battlerId)
         case 2:
             break;
         }
-
+        // Loop until reaching the final state, or stop early if Pokémon was Asleep/Frozen
     } while (gBattleCommunication[MULTIUSE_STATE] != 2 && effect == 0);
 
     if (effect == 2)
diff --git a/src/contest.c b/src/contest.c
index 886f2b95d..68cad859d 100644
--- a/src/contest.c
+++ b/src/contest.c
@@ -75,7 +75,7 @@ static void Task_FinishRoundOfAppeals(u8);
 static void Task_ReadyUpdateHeartSliders(u8);
 static void Task_UpdateHeartSliders(u8);
 static void Task_WaitForHeartSliders(u8);
-static void sub_80DA348(u8);
+static void Task_RestorePlttBufferUnfaded(u8);
 static void Task_WaitPrintRoundResult(u8);
 static void Task_PrintRoundResultText(u8);
 static void Task_ReUpdateHeartSliders(u8);
@@ -2553,10 +2553,10 @@ static void Task_UpdateHeartSliders(u8 taskId)
 static void Task_WaitForHeartSliders(u8 taskId)
 {
     if (SlidersDoneUpdating())
-        gTasks[taskId].func = sub_80DA348;
+        gTasks[taskId].func = Task_RestorePlttBufferUnfaded;
 }
 
-static void sub_80DA348(u8 taskId)
+static void Task_RestorePlttBufferUnfaded(u8 taskId)
 {
     DmaCopy32Defvars(3, eContestTempSave.cachedPlttBufferUnfaded, gPlttBufferUnfaded, PLTT_BUFFER_SIZE * 2);
     gTasks[taskId].data[0] = 0;
diff --git a/src/hall_of_fame.c b/src/hall_of_fame.c
index e9d6b6070..0e85e37f2 100644
--- a/src/hall_of_fame.c
+++ b/src/hall_of_fame.c
@@ -978,7 +978,7 @@ static void Task_HofPC_PrintMonInfo(u8 taskId)
 
     currMonID = gTasks[taskId].tMonSpriteId(gTasks[taskId].tCurrMonId);
     gSprites[currMonID].oam.priority = 0;
-    sHofFadePalettes = (0x10000 << gSprites[currMonID].oam.paletteNum) ^ 0xFFFF0000;
+    sHofFadePalettes = (0x10000 << gSprites[currMonID].oam.paletteNum) ^ PALETTES_OBJECTS;
     BlendPalettesUnfaded(sHofFadePalettes, 0xC, RGB(16, 29, 24));
 
     currMon = &savedTeams->mon[gTasks[taskId].tCurrMonId];
diff --git a/src/item_menu_icons.c b/src/item_menu_icons.c
index 8bcf506fb..1751fd59d 100644
--- a/src/item_menu_icons.c
+++ b/src/item_menu_icons.c
@@ -562,23 +562,31 @@ void UpdateItemMenuSwapLinePos(u8 y)
     UpdateSwapLineSpritesPos(&gBagMenu->spriteIds[ITEMMENUSPRITE_SWAP_LINE], ITEMMENU_SWAP_LINE_LENGTH | SWAP_LINE_HAS_MARGIN, 120, (y + 1) * 16);
 }
 
-static void sub_80D5018(void *mem0, void *mem1)
+static void ArrangeBerryGfx(void *src, void *dest)
 {
     u8 i, j;
 
-    memset(mem1, 0, 0x800);
-    mem1 += 0x100;
+    memset(dest, 0, 0x800);
+
+    // Create top margin
+    dest += 0x100;
+
     for (i = 0; i < 6; i++)
     {
-        mem1 += 0x20;
+        // Create left margin
+        dest += 0x20;
+
+        // Copy one row of berry's icon
         for (j = 0; j < 6; j++)
         {
-            memcpy(mem1, mem0, 0x20);
-            mem1 += 0x20;
-            mem0 += 0x20;
+            memcpy(dest, src, 0x20);
+            dest += 0x20;
+            src += 0x20;
         }
+
+        // Create right margin
         if (i != 5)
-            mem1 += 0x20;
+            dest += 0x20;
     }
 }
 
@@ -595,7 +603,7 @@ static void LoadBerryGfx(u8 berryId)
     pal.tag = TAG_BERRY_PIC_PAL;
     LoadCompressedSpritePalette(&pal);
     LZDecompressWram(sBerryPicTable[berryId].tiles, &gDecompressionBuffer[0x1000]);
-    sub_80D5018(&gDecompressionBuffer[0x1000], &gDecompressionBuffer[0]);
+    ArrangeBerryGfx(&gDecompressionBuffer[0x1000], &gDecompressionBuffer[0]);
 }
 
 u8 CreateBerryTagSprite(u8 id, s16 x, s16 y)
diff --git a/src/main.c b/src/main.c
index 3125716e2..215f85c46 100644
--- a/src/main.c
+++ b/src/main.c
@@ -57,7 +57,7 @@ const IntrFunc gIntrTableTemplate[] =
 
 #define INTR_COUNT ((int)(sizeof(gIntrTableTemplate)/sizeof(IntrFunc)))
 
-static u16 gUnknown_03000000;
+static u16 sUnusedVar; // Never read
 
 u16 gKeyRepeatStartDelay;
 bool8 gLinkTransferringData;
@@ -117,7 +117,7 @@ void AgbMain()
         SetMainCallback2(NULL);
 
     gLinkTransferringData = FALSE;
-    gUnknown_03000000 = 0xFC0;
+    sUnusedVar = 0xFC0;
 
     for (;;)
     {
diff --git a/src/main_menu.c b/src/main_menu.c
index 3248c189f..a60cf1a28 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -170,7 +170,7 @@
 
 // Static RAM declarations
 
-static EWRAM_DATA u8 gUnknown_02022D04 = 0;
+static EWRAM_DATA bool8 sStartedPokeBallTask = 0;
 static EWRAM_DATA u16 sCurrItemAndOptionMenuCheck = 0;
 
 static u8 sBirchSpeechMainTaskId;
@@ -201,7 +201,7 @@ static void NewGameBirchSpeech_ShowDialogueWindow(u8, u8);
 static void NewGameBirchSpeech_ClearWindow(u8);
 static void Task_NewGameBirchSpeech_ThisIsAPokemon(u8);
 static void Task_NewGameBirchSpeech_MainSpeech(u8);
-static void NewGameBirchSpeech_ShowPokeBallPrinterCallback(struct TextPrinterTemplate *printer, u16 a);
+static void NewGameBirchSpeech_WaitForThisIsPokemonText(struct TextPrinterTemplate *printer, u16 a);
 static void Task_NewGameBirchSpeech_AndYouAre(u8);
 static void Task_NewGameBirchSpeechSub_WaitForLotad(u8);
 static void Task_NewGameBirchSpeech_StartBirchLotadPlatformFade(u8);
@@ -1348,7 +1348,7 @@ static void Task_NewGameBirchSpeech_ThisIsAPokemon(u8 taskId)
     {
         gTasks[taskId].func = Task_NewGameBirchSpeech_MainSpeech;
         StringExpandPlaceholders(gStringVar4, gText_ThisIsAPokemon);
-        AddTextPrinterWithCallbackForMessage(1, NewGameBirchSpeech_ShowPokeBallPrinterCallback);
+        AddTextPrinterWithCallbackForMessage(1, NewGameBirchSpeech_WaitForThisIsPokemonText);
         sBirchSpeechMainTaskId = taskId;
     }
 }
@@ -1411,7 +1411,7 @@ static void Task_NewGameBirchSpeech_AndYouAre(u8 taskId)
 {
     if (!RunTextPrintersAndIsPrinter0Active())
     {
-        gUnknown_02022D04 = 0;
+        sStartedPokeBallTask = FALSE;
         StringExpandPlaceholders(gStringVar4, gText_Birch_AndYouAre);
         AddTextPrinterForMessage(1);
         gTasks[taskId].func = Task_NewGameBirchSpeech_StartBirchLotadPlatformFade;
@@ -2250,21 +2250,21 @@ static void NewGameBirchSpeech_ClearWindow(u8 windowId)
     CopyWindowToVram(windowId, 2);
 }
 
-static void NewGameBirchSpeech_ShowPokeBallPrinterCallback(struct TextPrinterTemplate *printer, u16 a)
+static void NewGameBirchSpeech_WaitForThisIsPokemonText(struct TextPrinterTemplate *printer, u16 a)
 {
-    if (*(printer->currentChar - 2) == 8 && gUnknown_02022D04 == 0)
+    // Wait for Birch's "This is a Pokémon" text to reach the pause
+    // Then start the PokéBall release (if it hasn't been started already)
+    if (*(printer->currentChar - 2) == EXT_CTRL_CODE_PAUSE && !sStartedPokeBallTask)
     {
-        gUnknown_02022D04 = 1;
+        sStartedPokeBallTask = TRUE;
         CreateTask(Task_NewGameBirchSpeechSub_InitPokeBall, 0);
     }
 }
 
-void CreateYesNoMenuParameterized(u8 a, u8 b, u16 c, u16 d, u8 e, u8 f)
+void CreateYesNoMenuParameterized(u8 x, u8 y, u16 baseTileNum, u16 baseBlock, u8 yesNoPalNum, u8 winPalNum)
 {
-    struct WindowTemplate sp;
-
-    sp = CreateWindowTemplate(0, a + 1, b + 1, 5, 4, f, d);
-    CreateYesNoMenu(&sp, c, e, 0);
+    struct WindowTemplate template = CreateWindowTemplate(0, x + 1, y + 1, 5, 4, winPalNum, baseBlock);
+    CreateYesNoMenu(&template, baseTileNum, yesNoPalNum, 0);
 }
 
 static void NewGameBirchSpeech_ShowDialogueWindow(u8 windowId, u8 copyToVram)
diff --git a/src/menu.c b/src/menu.c
index de1468e3b..dcc32319e 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1769,9 +1769,7 @@ void ResetTempTileDataBuffers(void)
 {
     int i;
     for (i = 0; i < (int)ARRAY_COUNT(sTempTileDataBuffer); i++)
-    {
         sTempTileDataBuffer[i] = NULL;
-    }
     sTempTileDataBufferIdx = 0;
 }
 
@@ -1784,9 +1782,7 @@ bool8 FreeTempTileDataBuffersIfPossible(void)
         if (sTempTileDataBufferIdx)
         {
             for (i = 0; i < sTempTileDataBufferIdx; i++)
-            {
                 FREE_AND_SET_NULL(sTempTileDataBuffer[i]);
-            }
             sTempTileDataBufferIdx = 0;
         }
         return FALSE;
diff --git a/src/pokedex_area_region_map.c b/src/pokedex_area_region_map.c
index 82d5e50e5..1ee5ca988 100644
--- a/src/pokedex_area_region_map.c
+++ b/src/pokedex_area_region_map.c
@@ -17,7 +17,7 @@ static const u32 sPokedexAreaMapAffine_Tilemap[] = INCBIN_U32("graphics/interfac
 void LoadPokedexAreaMapGfx(const struct PokedexAreaMapTemplate *template)
 {
     u8 mode;
-    sPokedexAreaMapBgNum = Alloc(4);
+    sPokedexAreaMapBgNum = Alloc(sizeof(sPokedexAreaMapBgNum));
     mode = template->mode;
 
     if (mode == 0)
@@ -28,8 +28,9 @@ void LoadPokedexAreaMapGfx(const struct PokedexAreaMapTemplate *template)
     }
     else
     {
+        // This is never reached, only a mode of 0 is given
         SetBgAttribute(template->bg, BG_ATTR_METRIC, 2);
-        SetBgAttribute(template->bg, BG_ATTR_TYPE, 1);
+        SetBgAttribute(template->bg, BG_ATTR_TYPE, BG_TYPE_AFFINE); // This does nothing. BG_ATTR_TYPE can't be set with this function
         DecompressAndCopyTileDataToVram(template->bg, sPokedexAreaMapAffine_Gfx, 0, template->offset, 0);
         sub_8199D3C(DecompressAndCopyTileDataToVram(template->bg, sPokedexAreaMapAffine_Tilemap, 0, 0, 1), template->offset, 64, 64, TRUE);
     }
@@ -41,7 +42,7 @@ void LoadPokedexAreaMapGfx(const struct PokedexAreaMapTemplate *template)
     *sPokedexAreaMapBgNum = template->bg;
 }
 
-bool32 sub_81C4E90(void)
+bool32 TryShowPokedexAreaMap(void)
 {
     if (!FreeTempTileDataBuffersIfPossible())
     {
@@ -56,8 +57,7 @@ bool32 sub_81C4E90(void)
 
 void FreePokedexAreaMapBgNum(void)
 {
-    if (sPokedexAreaMapBgNum != NULL)
-        FREE_AND_SET_NULL(sPokedexAreaMapBgNum);
+    TRY_FREE_AND_SET_NULL(sPokedexAreaMapBgNum);
 }
 
 void PokedexAreaMapChangeBgY(u32 a0)
diff --git a/src/pokedex_area_screen.c b/src/pokedex_area_screen.c
index 12f0e0d9e..2f0d676cb 100755
--- a/src/pokedex_area_screen.c
+++ b/src/pokedex_area_screen.c
@@ -86,7 +86,7 @@ static void CreateAreaMarkerSprites(void);
 static void LoadAreaUnknownGraphics(void);
 static void CreateAreaUnknownSprites(void);
 static void Task_HandlePokedexAreaScreenInput(u8);
-static void sub_813D6B4(void);
+static void ResetPokedexAreaMapBg(void);
 static void DestroyAreaMarkerSprites(void);
 
 static const u32 sAreaGlow_Pal[] = INCBIN_U32("graphics/pokedex/area_glow.gbapal");
@@ -665,7 +665,7 @@ static void Task_ShowPokedexAreaScreen(u8 taskId)
             StringFill(sPokedexAreaScreen->charBuffer, CHAR_SPACE, 16);
             break;
         case 2:
-            if (sub_81C4E90() == TRUE)
+            if (TryShowPokedexAreaMap() == TRUE)
                 return;
             PokedexAreaMapChangeBgY(-8);
             break;
@@ -697,7 +697,7 @@ static void Task_ShowPokedexAreaScreen(u8 taskId)
             SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG0 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG0 | BLDCNT_TGT2_ALL);
             StartAreaGlow();
             ShowBg(2);
-            ShowBg(3);
+            ShowBg(3); // TryShowPokedexAreaMap will have done this already
             SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON);
             break;
         case 11:
@@ -743,7 +743,7 @@ static void Task_HandlePokedexAreaScreenInput(u8 taskId)
             return;
         DestroyAreaMarkerSprites();
         sPokedexAreaScreen->screenSwitchState[0] = gTasks[taskId].data[1];
-        sub_813D6B4();
+        ResetPokedexAreaMapBg();
         DestroyTask(taskId);
         FreePokedexAreaMapBgNum();
         FREE_AND_SET_NULL(sPokedexAreaScreen);
@@ -753,7 +753,7 @@ static void Task_HandlePokedexAreaScreenInput(u8 taskId)
     gTasks[taskId].tState++;
 }
 
-static void sub_813D6B4(void)
+static void ResetPokedexAreaMapBg(void)
 {
     SetBgAttribute(3, BG_ATTR_CHARBASEINDEX, 0);
     SetBgAttribute(3, BG_ATTR_PALETTEMODE, 0);
diff --git a/src/pokemon_storage_system.c b/src/pokemon_storage_system.c
index a58187d8b..801041c53 100644
--- a/src/pokemon_storage_system.c
+++ b/src/pokemon_storage_system.c
@@ -9822,13 +9822,13 @@ struct
     u16 height;
 } static const sTilemapDimensions[][4] =
 {
-    {
+    [BG_TYPE_NORMAL] = {
         { 256,  256},
         { 512,  256},
         { 256,  512},
         { 512,  512},
     },
-    {
+    [BG_TYPE_AFFINE] = {
         { 128,  128},
         { 256,  256},
         { 512,  512},
@@ -9853,7 +9853,7 @@ static void TilemapUtil_SetMap(u8 id, u8 bg, const void *tilemap, u16 width, u16
     bgType = GetBgAttribute(bg, BG_ATTR_TYPE);
     sTilemapUtil[id].altWidth = sTilemapDimensions[bgType][bgScreenSize].width;
     sTilemapUtil[id].altHeight = sTilemapDimensions[bgType][bgScreenSize].height;
-    if (bgType != 0)
+    if (bgType != BG_TYPE_NORMAL)
         sTilemapUtil[id].tileSize = 1;
     else
         sTilemapUtil[id].tileSize = 2;
diff --git a/src/reshow_battle_screen.c b/src/reshow_battle_screen.c
index 58de22f05..6bc0e175b 100644
--- a/src/reshow_battle_screen.c
+++ b/src/reshow_battle_screen.c
@@ -162,7 +162,7 @@ static void CB2_ReshowBattleScreenAfterMenu(void)
         BeginHardwarePaletteFade(0xFF, 0, 0x10, 0, 1);
         gPaletteFade.bufferTransferDisabled = 0;
         SetMainCallback2(BattleMainCB2);
-        sub_805EF14();
+        FillAroundBattleWindows();
         break;
     }