More mevent documentation

22 files changed, 1262 insertions, 1233 deletions

diff --git a/src/battle_controller_player.c b/src/battle_controller_player.c
index cb9e04a50..a01c4990a 100644
--- a/src/battle_controller_player.c
+++ b/src/battle_controller_player.c
@@ -831,7 +831,7 @@ void sub_802F6A8(void)
         if (gBattleTypeFlags & BATTLE_TYPE_LINK)
         {
             if (gWirelessCommType == 0)
-                sub_800AAC0();
+                Link_TryStartSend5FFF();
             else
                 sub_800AB9C();
             gBattlerControllerFuncs[gActiveBattler] = sub_802F610;
diff --git a/src/battle_main.c b/src/battle_main.c
index 76f373f8f..80a0cd588 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -1154,7 +1154,7 @@ static void CB2_PreInitMultiBattle(void)
             if (gWirelessCommType)
                 sub_800AB9C();
             else
-                sub_800AAC0();
+                Link_TryStartSend5FFF();
         }
         break;
     case 3:
diff --git a/src/event_data.c b/src/event_data.c
index 010a4414c..74d1cf608 100644
--- a/src/event_data.c
+++ b/src/event_data.c
@@ -118,7 +118,7 @@ bool32 IsMysteryGiftEnabled(void)
     return FlagGet(FLAG_SYS_MYSTERY_GIFT_ENABLED);
 }
 
-void sub_806E2D0(void)
+void ResetMysteryEventFlags(void)
 {
     FlagClear(FLAG_MYSTERY_EVENT_DONE);
     FlagClear(FLAG_0x3D9);
@@ -138,7 +138,7 @@ void sub_806E2D0(void)
     FlagClear(FLAG_0x3E7);
 }
 
-void sub_806E370(void)
+void ResetMysteryEventVars(void)
 {
     VarSet(VAR_EVENT_PICHU_SLOT, 0);
     VarSet(VAR_0x40B6, 0);
diff --git a/src/field_fadetransition.c b/src/field_fadetransition.c
index 42fe26c91..282b1c8b5 100644
--- a/src/field_fadetransition.c
+++ b/src/field_fadetransition.c
@@ -662,7 +662,7 @@ static void sub_807E678(u8 taskId)
     case 1:
         if (!sub_807E40C() && BGMusicStopped())
         {
-            sub_800AAC0();
+            Link_TryStartSend5FFF();
             data[0]++;
         }
         break;
diff --git a/src/field_specials.c b/src/field_specials.c
index bb320d42a..bd19a0477 100644
--- a/src/field_specials.c
+++ b/src/field_specials.c
@@ -1920,15 +1920,15 @@ u16 Special_BattleCardAction(void)
     switch (gSpecialVar_Result)
     {
     case 0:
-        return sub_81445C0(3);
+        return MEvent_GetBattleCardCount(3);
     case 1:
-        return sub_81445C0(4);
+        return MEvent_GetBattleCardCount(4);
     case 2:
-        return sub_81445C0(0);
+        return MEvent_GetBattleCardCount(0);
     case 3:
-        return sub_81445C0(1);
+        return MEvent_GetBattleCardCount(1);
     case 4:
-        return sub_81445C0(2);
+        return MEvent_GetBattleCardCount(2);
     default:
         AGB_ASSERT_EX(0, ABSPATH("scr_tool.c"), 3873);
         return 0;
diff --git a/src/link.c b/src/link.c
index 69ad29076..2f6d03372 100644
--- a/src/link.c
+++ b/src/link.c
@@ -82,11 +82,11 @@ u32 gFiller_3003EC0;
 u16 gLinkHeldKeys;
 u16 gRecvCmds[MAX_RFU_PLAYERS][CMD_LENGTH];
 u32 gLinkStatus;
-bool8 gUnknown_3003F24;
+bool8 gLinkAllAcked5FFF;
 bool8 gUnknown_3003F28;
-bool8 gUnknown_3003F2C[MAX_LINK_PLAYERS];
-bool8 gUnknown_3003F30[MAX_LINK_PLAYERS];
-u16 gUnknown_3003F34;
+bool8 gLinkCommand2FFEAck[MAX_LINK_PLAYERS];
+bool8 gLinkCommand5FFFAck[MAX_LINK_PLAYERS];
+u16 gLinkCmd5FFFparam;
 u8 gSuppressLinkErrorMessage;
 bool8 gWirelessCommType;
 bool8 gSavedLinkPlayerCount;
@@ -123,8 +123,8 @@ EWRAM_DATA struct {
     u8 lastSendQueueCount;
     u8 unk_06;
 } sLinkErrorBuffer = {};
-EWRAM_DATA u16 gUnknown_202285C = 0;
-EWRAM_DATA void *gUnknown_2022860 = NULL;
+static EWRAM_DATA u16 sStartSend5FFFfailures = 0;
+static EWRAM_DATA void *sLinkErrorBgTilemapBuffer = NULL;
 
 static void InitLocalLinkPlayer(void);
 static void sub_800978C(void);
@@ -142,8 +142,8 @@ static u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
 static void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
 static void LinkCB_RequestPlayerDataExchange(void);
 static void Task_PrintTestData(u8 taskId);
-static void sub_800AB0C(void);
-static void sub_800AB38(void);
+static void LinkCB_BuildCommand5FFF(void);
+static void LinkCB_WaitAckCommand5FFF(void);
 static void sub_800ABD4(void);
 static void sub_800AC00(void);
 static void CheckErrorStatus(void);
@@ -379,8 +379,8 @@ void OpenLink(void)
         ResetBlockSend();
         gUnknown_3000E4C = 0;
         gUnknown_3003F28 = FALSE;
-        gUnknown_3003F24 = FALSE;
-        gUnknown_3003F34 = 0;
+        gLinkAllAcked5FFF = FALSE;
+        gLinkCmd5FFFparam = 0;
         CreateTask(Task_TriggerHandshake, 2);
     }
     else
@@ -391,8 +391,8 @@ void OpenLink(void)
     for (i = 0; i < MAX_LINK_PLAYERS; i++)
     {
         gRemoteLinkPlayersNotReceived[i] = TRUE;
-        gUnknown_3003F30[i] = FALSE;
-        gUnknown_3003F2C[i] = FALSE;
+        gLinkCommand5FFFAck[i] = FALSE;
+        gLinkCommand2FFEAck[i] = FALSE;
     }
 }
 
@@ -468,7 +468,7 @@ void LinkTestProcessKeyInput(void)
     }
     if (JOY_NEW(SELECT_BUTTON))
     {
-        sub_800AAC0();
+        Link_TryStartSend5FFF();
     }
     if (gLinkTestDebugValuesEnabled)
     {
@@ -632,10 +632,10 @@ void ProcessRecvCmds(u8 unused)
         }
             break;
         case LINKCMD_0x5FFF:
-            gUnknown_3003F30[i] = TRUE;
+            gLinkCommand5FFFAck[i] = TRUE;
             break;
         case LINKCMD_0x2FFE:
-            gUnknown_3003F2C[i] = TRUE;
+            gLinkCommand2FFEAck[i] = TRUE;
             break;
         case LINKCMD_0xAAAA:
             sub_800A3CC();
@@ -701,7 +701,7 @@ void BuildSendCmd(u16 command)
         break;
     case LINKCMD_0x5FFF:
         gSendCmd[0] = LINKCMD_0x5FFF;
-        gSendCmd[1] = gUnknown_3003F34;
+        gSendCmd[1] = gLinkCmd5FFFparam;
         break;
     case LINKCMD_0x5566:
         gSendCmd[0] = LINKCMD_0x5566;
@@ -1312,54 +1312,54 @@ u8 sub_800AA74(void)
     return gUnknown_3000E50;
 }
 
-void sub_800AA80(u16 a0)
+void Link_StartSend5FFFwithParam(u16 a0)
 {
     if (gWirelessCommType == 1)
     {
-        task_add_05_task_del_08FA224_when_no_RfuFunc();
+        Rfu_BeginBuildAndSendCommand5F();
     }
     else
     {
         if (gLinkCallback == NULL)
         {
-            gLinkCallback = sub_800AB0C;
-            gUnknown_3003F24 = FALSE;
-            gUnknown_3003F34 = a0;
+            gLinkCallback = LinkCB_BuildCommand5FFF;
+            gLinkAllAcked5FFF = FALSE;
+            gLinkCmd5FFFparam = a0;
         }
     }
 }
 
-void sub_800AAC0(void)
+void Link_TryStartSend5FFF(void)
 {
     if (gWirelessCommType == 1)
     {
-        task_add_05_task_del_08FA224_when_no_RfuFunc();
+        Rfu_BeginBuildAndSendCommand5F();
     }
     else
     {
         if (gLinkCallback != NULL)
         {
-            gUnknown_202285C++;
+            sStartSend5FFFfailures++;
         }
         else
         {
-            gLinkCallback = sub_800AB0C;
-            gUnknown_3003F24 = FALSE;
-            gUnknown_3003F34 = 0;
+            gLinkCallback = LinkCB_BuildCommand5FFF;
+            gLinkAllAcked5FFF = FALSE;
+            gLinkCmd5FFFparam = 0;
         }
     }
 }
 
-static void sub_800AB0C(void)
+static void LinkCB_BuildCommand5FFF(void)
 {
     if (gLastRecvQueueCount == 0)
     {
         BuildSendCmd(LINKCMD_0x5FFF);
-        gLinkCallback = sub_800AB38;
+        gLinkCallback = LinkCB_WaitAckCommand5FFF;
     }
 }
 
-static void sub_800AB38(void)
+static void LinkCB_WaitAckCommand5FFF(void)
 {
     int i;
     unsigned count;
@@ -1369,7 +1369,7 @@ static void sub_800AB38(void)
     count = 0;
     for (i = 0; i < linkPlayerCount; i++)
     {
-        if (gUnknown_3003F30[i])
+        if (gLinkCommand5FFFAck[i])
         {
             count++;
         }
@@ -1380,7 +1380,7 @@ static void sub_800AB38(void)
         gLinkVSyncDisabled = TRUE;
         CloseLink();
         gLinkCallback = NULL;
-        gUnknown_3003F24 = TRUE;
+        gLinkAllAcked5FFF = TRUE;
     }
 }
 
@@ -1396,7 +1396,7 @@ void sub_800AB9C(void)
         {
             gLinkCallback = sub_800ABD4;
         }
-        gUnknown_3003F24 = FALSE;
+        gLinkAllAcked5FFF = FALSE;
     }
 }
 
@@ -1417,7 +1417,7 @@ static void sub_800AC00(void)
     linkPlayerCount = GetLinkPlayerCount();
     for (i = 0; i < linkPlayerCount; i++)
     {
-        if (!gUnknown_3003F2C[i])
+        if (!gLinkCommand2FFEAck[i])
         {
             break;
         }
@@ -1426,7 +1426,7 @@ static void sub_800AC00(void)
     {
         for (i = 0; i < MAX_LINK_PLAYERS; i++)
         {
-            gUnknown_3003F2C[i] = FALSE;
+            gLinkCommand2FFEAck[i] = FALSE;
         }
         gLinkCallback = NULL;
     }
@@ -1482,7 +1482,7 @@ void CB2_LinkError(void)
     SetVBlankCallback(sub_800978C);
     ResetBgsAndClearDma3BusyFlags(0);
     InitBgsFromTemplates(0, sLinkErrorBgTemplates, 2);
-    gUnknown_2022860 = tilemapBuffer = malloc(0x800);
+    sLinkErrorBgTilemapBuffer = tilemapBuffer = malloc(0x800);
     SetBgTilemapBuffer(1, tilemapBuffer);
     if (InitWindows(sLinkErrorWindowTemplates))
     {
@@ -1603,12 +1603,12 @@ static void CB2_PrintErrorMessage(void)
 
 bool8 GetSioMultiSI(void)
 {
-    return (REG_SIOCNT & 0x04) != 0;
+    return (REG_SIOCNT & SIO_MULTI_SI) != 0;
 }
 
 static bool8 IsSioMultiMaster(void)
 {
-    return (REG_SIOCNT & 0x8) && !(REG_SIOCNT & 0x04);
+    return (REG_SIOCNT & SIO_MULTI_SD) && !(REG_SIOCNT & SIO_MULTI_SI);
 }
 
 bool8 IsLinkConnectionEstablished(void)
diff --git a/src/link_rfu_2.c b/src/link_rfu_2.c
index 132c7b0c5..ed1a11393 100644
--- a/src/link_rfu_2.c
+++ b/src/link_rfu_2.c
@@ -1027,7 +1027,7 @@ static void RfuHandleReceiveCommand(u8 unused)
             Rfu_InitBlockSend(gUnknown_843EC64[gRecvCmds[i][1]].buffer, (u16)gUnknown_843EC64[gRecvCmds[i][1]].size);
             break;
         case RFU_COMMAND_0x5f00:
-            Rfu.unk_e4[i] = 1;
+            Rfu.cmd5f00Ack[i] = 1;
             break;
         case RFU_COMMAND_0x6600:
             if (Rfu.unk_100 == gRecvCmds[i][1])
@@ -1280,7 +1280,7 @@ bool8 sub_80FA0F8(u8 a0)
     return TRUE;
 }
 
-static void sub_80FA114(void)
+static void RfuFunc_End5F00_PowerDownRfu(void)
 {
     rfu_clearAllSlot();
     rfu_LMAN_powerDownRFU();
@@ -1289,14 +1289,14 @@ static void sub_80FA114(void)
     Rfu.RfuFunc = NULL;
 }
 
-static void sub_80FA140(void)
+static void RfuFunc_End5F00_ParentDisconnect(void)
 {
     rfu_REQ_disconnect(gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag);
     rfu_waitREQComplete();
-    sub_80FA114();
+    RfuFunc_End5F00_PowerDownRfu();
 }
 
-static void sub_80FA160(void)
+static void RfuFunc_End5F00(void)
 {
     if (Rfu.parent_child == MODE_CHILD)
     {
@@ -1304,7 +1304,7 @@ static void sub_80FA160(void)
         Rfu.unk_ce4 = 2;
     }
     else
-        Rfu.RfuFunc = sub_80FA140;
+        Rfu.RfuFunc = RfuFunc_End5F00_ParentDisconnect;
 }
 
 void LinkRfu_FatalError(void)
@@ -1314,7 +1314,7 @@ void LinkRfu_FatalError(void)
     Rfu.bm_DisconnectSlot = gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag;
 }
 
-static void sub_80FA1C4(void)
+static void RfuFunc_WaitAck5F00(void)
 {
     s32 i;
     u8 playerCount = Rfu.playerCount;
@@ -1322,45 +1322,45 @@ static void sub_80FA1C4(void)
 
     for (i = 0; i < MAX_RFU_PLAYERS; i++)
     {
-        if (Rfu.unk_e4[i])
+        if (Rfu.cmd5f00Ack[i])
             count++;
     }
     if (count == playerCount)
     {
-        gBattleTypeFlags &= (u16)~BATTLE_TYPE_20;
+        gBattleTypeFlags &= ~(BATTLE_TYPE_20 | 0xFFFF0000);
         if (Rfu.parent_child == MODE_CHILD)
         {
             Rfu.errorState = 3;
-            sub_80FA160();
+            RfuFunc_End5F00();
         }
         else
-            Rfu.RfuFunc = sub_80FA160;
+            Rfu.RfuFunc = RfuFunc_End5F00;
     }
 }
 
-static void sub_80FA224(void)
+static void RfuFunc_BuildCommand5F00(void)
 {
     if (gSendCmd[0] == 0 && !Rfu.unk_ce8)
     {
         RfuPrepareSendBuffer(RFU_COMMAND_0x5f00);
-        Rfu.RfuFunc = sub_80FA1C4;
+        Rfu.RfuFunc = RfuFunc_WaitAck5F00;
     }
 }
 
-static void sub_80FA25C(u8 taskId)
+static void Task_WaitRfuFuncAndSetBuildCmd5F00(u8 taskId)
 {
     if (Rfu.RfuFunc == NULL)
     {
         Rfu.unk_cd9 = 1;
-        Rfu.RfuFunc = sub_80FA224;
+        Rfu.RfuFunc = RfuFunc_BuildCommand5F00;
         DestroyTask(taskId);
     }
 }
 
-void task_add_05_task_del_08FA224_when_no_RfuFunc(void)
+void Rfu_BeginBuildAndSendCommand5F(void)
 {
-    if (!FuncIsActiveTask(sub_80FA25C))
-        CreateTask(sub_80FA25C, 5);
+    if (!FuncIsActiveTask(Task_WaitRfuFuncAndSetBuildCmd5F00))
+        CreateTask(Task_WaitRfuFuncAndSetBuildCmd5F00, 5);
 }
 
 static void sub_80FA2B0(void)
@@ -1938,9 +1938,9 @@ void RfuUpdatePlayerGnameStateAndSend(u32 type, u32 species, u32 level)
     gHostRFUtgtGnameBuffer.level = level;
 }
 
-void sub_80FAFE0(u8 a0)
+void sub_80FAFE0(bool8 unk_0a_7)
 {
-    gHostRFUtgtGnameBuffer.unk_0a_7 = a0;
+    gHostRFUtgtGnameBuffer.unk_0a_7 = unk_0a_7;
     rfu_REQ_configGameData(0, 0x0002, (void *)&gHostRFUtgtGnameBuffer, gHostRFUtgtUnameBuffer);
 }
 
diff --git a/src/mevent.c b/src/mevent.c
index afad326b5..225ce30c5 100644
--- a/src/mevent.c
+++ b/src/mevent.c
@@ -21,77 +21,65 @@
 #include "mystery_gift_menu.h"
 #include "help_system.h"
 #include "mevent.h"
+#include "strings.h"
 
 struct MEventTaskData1
 {
-    u16 t00;
+    u16 stateAdvanceDelay;
     u16 t02;
     u16 t04;
     u16 t06;
     u8 state;
-    u8 t09;
+    u8 textOrReceiveState;
     u8 t0A;
     u8 t0B;
     u8 t0C;
     u8 t0D;
-    u8 t0E;
+    u8 initialSendResult;
     struct MEvent_Str_2 *t10;
 };
 
-void sub_8143910(u8 taskId);
-bool32 sub_8143E64(const struct MEWonderNewsData * src);
-void sub_8143E9C(void);
-void sub_8143ED0(void);
-bool32 sub_8144018(const struct MEWonderCardData * src);
-void BlankSavedWonderCard(void);
-void BlankMEventBuffer2(void);
-void sub_8144824(u32, u32, u32 *, s32);
-void sub_8144790(void);
-
-extern const u8 gUnknown_841DE52[];
-extern const u8 gUnknown_841DE53[];
-extern const u8 gUnknown_841DE54[];
-extern const u8 gUnknown_841DE7C[];
-extern const u8 gUnknown_841DE7D[];
-extern const u8 gUnknown_841DE95[];
-extern const u8 gUnknown_841DE96[];
-extern const u8 gUnknown_841DE97[];
-extern const u8 gUnknown_841DE98[];
-extern const u8 gUnknown_841DE99[];
-extern const u8 gUnknown_841DE9A[];
-extern const u8 gUnknown_841DE9B[];
-extern const u8 gUnknown_841DE9C[];
+static void Task_EReaderComm(u8 taskId);
+static bool32 IsReceivedWonderNewsHeaderValid(const struct MEWonderNewsData * src);
+static void BlankWonderNews(void);
+static void BlankMENewsJisan(void);
+static bool32 IsReceivedWonderCardHeaderValid(const struct MEWonderCardData * src);
+static void BlankSavedWonderCard(void);
+static void BlankMEventBuffer2(void);
+static void RecordIdOfWonderCardSender(u32 eventId, u32 trainerId, u32 *idsList, s32 count);
+static void BlankBuffer344(void);
+
 extern const u8 gUnknownSerialData_Start[];
 extern const u8 gUnknownSerialData_End[];
 
-const u16 gUnknown_8466F00[] = {
-    0x02a7,
-    0x02a8,
-    0x02a9,
-    0x02aa,
-    0x02ab,
-    0x02ac,
-    0x02ad,
-    0x02ae,
-    0x02af,
-    0x02b0,
-    0x02b1,
-    0x02b2,
-    0x02b3,
-    0x02b4,
-    0x02b5,
-    0x02b6,
-    0x02b7,
-    0x02b8,
-    0x02b9,
-    0x02ba
+static const u16 sGiftItemFlagIds[] = {
+    FLAG_GOT_AURORA_TICKET,
+    FLAG_GOT_MYSTIC_TICKET,
+    FLAG_0x2A9,
+    FLAG_0x2AA,
+    FLAG_0x2AB,
+    FLAG_0x2AC,
+    FLAG_0x2AD,
+    FLAG_0x2AE,
+    FLAG_0x2AF,
+    FLAG_0x2B0,
+    FLAG_0x2B1,
+    FLAG_0x2B2,
+    FLAG_0x2B3,
+    FLAG_0x2B4,
+    FLAG_0x2B5,
+    FLAG_0x2B6,
+    FLAG_0x2B7,
+    FLAG_0x2B8,
+    FLAG_0x2B9,
+    FLAG_0x2BA
 };
 
-struct MEvent_Str_1 gUnknown_3005ED0;
+struct MEvent_Str_1 sMEventSendToEReaderManager;
 
-static EWRAM_DATA bool32 gUnknown_203F3BC = FALSE;
+static EWRAM_DATA bool32 sReceivedWonderCardIsValid = FALSE;
 
-void sub_81435DC(struct MEvent_Str_1 *mgr, size_t size, const void * data)
+void SendUnknownSerialData_Init(struct MEvent_Str_1 *mgr, size_t size, const void * data)
 {
     vu16 imeBak = REG_IME;
     REG_IME = 0;
@@ -106,7 +94,7 @@ void sub_81435DC(struct MEvent_Str_1 *mgr, size_t size, const void * data)
     mgr->data = data;
 }
 
-void sub_8143644(struct MEvent_Str_1 *unused)
+void SendUnknownSerialData_Teardown(struct MEvent_Str_1 *unused)
 {
     vu16 imeBak = REG_IME;
     REG_IME = 0;
@@ -116,7 +104,7 @@ void sub_8143644(struct MEvent_Str_1 *unused)
     REG_IME = imeBak;
 }
 
-u8 sub_8143674(struct MEvent_Str_1 *mgr)
+u8 SendUnknownSerialData_Run(struct MEvent_Str_1 *mgr)
 {
     u8 resp = 0;
     mgr->status = EReaderHandleTransfer(1, mgr->size, mgr->data, 0);
@@ -161,32 +149,32 @@ static bool32 IsEReaderConnectionSane(void)
     return FALSE;
 }
 
-u32 sub_8143770(u8 * r4, u16 * r5)
+static u32 EReaderReceive(u8 * state_p, u16 * receiveDelay)
 {
-    if ((*r4 == 3 || *r4 == 4 || *r4 == 5) && HasLinkErrorOccurred())
+    if ((*state_p == 3 || *state_p == 4 || *state_p == 5) && HasLinkErrorOccurred())
     {
-        *r4 = 0;
+        *state_p = 0;
         return 3;
     }
-    switch (*r4)
+    switch (*state_p)
     {
         case 0:
             if (IsLinkMaster() && GetLinkPlayerCount_2() > 1)
             {
-                *r4 = 1;
+                *state_p = 1;
                 ;
             }
             else if (JOY_NEW(B_BUTTON))
             {
-                *r4 = 0;
+                *state_p = 0;
                 return 1;
             }
             break;
         case 1:
-            if (++(*r5) > 5)
+            if (++(*receiveDelay) > 5)
             {
-                *r5 = 0;
-                *r4 = 2;
+                *receiveDelay = 0;
+                *state_p = 2;
             }
             break;
         case 2:
@@ -194,19 +182,19 @@ u32 sub_8143770(u8 * r4, u16 * r5)
             {
                 PlaySE(SE_PINPON);
                 CheckShouldAdvanceLinkState();
-                *r5 = 0;
-                *r4 = 3;
+                *receiveDelay = 0;
+                *state_p = 3;
             }
             else if (JOY_NEW(B_BUTTON))
             {
-                *r4 = 0;
+                *state_p = 0;
                 return 1;
             }
             break;
         case 3:
-            if (++(*r5) > 30)
+            if (++(*receiveDelay) > 30)
             {
-                *r4 = 0;
+                *state_p = 0;
                 return 5;
             }
             else if (IsLinkConnectionEstablished())
@@ -215,24 +203,24 @@ u32 sub_8143770(u8 * r4, u16 * r5)
                 {
                     if (IsLinkPlayerDataExchangeComplete())
                     {
-                        *r4 = 0;
+                        *state_p = 0;
                         return 2;
                     }
                     else
-                        *r4 = 4;
+                        *state_p = 4;
                 }
                 else
-                    *r4 = 3;
+                    *state_p = 3;
             }
             break;
         case 4:
-            sub_800AA80(0);
-            *r4 = 5;
+            Link_StartSend5FFFwithParam(0);
+            *state_p = 5;
             break;
         case 5:
             if (!gReceivedRemoteLinkPlayers)
             {
-                *r4 = 0;
+                *state_p = 0;
                 return 4;
             }
             break;
@@ -242,19 +230,19 @@ u32 sub_8143770(u8 * r4, u16 * r5)
 
 void task_add_00_ereader(void)
 {
-    u8 taskId = CreateTask(sub_8143910, 0);
+    u8 taskId = CreateTask(Task_EReaderComm, 0);
     struct MEventTaskData1 *data = (struct MEventTaskData1 *)gTasks[taskId].data;
     data->state = 0;
-    data->t09 = 0;
+    data->textOrReceiveState = 0;
     data->t0A = 0;
     data->t0B = 0;
     data->t0C = 0;
     data->t0D = 0;
-    data->t00 = 0;
+    data->stateAdvanceDelay = 0;
     data->t02 = 0;
     data->t04 = 0;
     data->t06 = 0;
-    data->t0E = 0;
+    data->initialSendResult = 0;
     data->t10 = AllocZeroed(sizeof(struct MEvent_Str_2));
 }
 
@@ -273,22 +261,22 @@ static bool32 AdvanceDelayTimerCheckTimeout(u16 * a0, u16 a1)
     return FALSE;
 }
 
-void sub_8143910(u8 taskId)
+static void Task_EReaderComm(u8 taskId)
 {
     struct MEventTaskData1 *data = (struct MEventTaskData1 *)gTasks[taskId].data;
     switch (data->state)
     {
         case 0:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE52))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_ReceiveMysteryGiftWithEReader))
                 data->state = 1;
             break;
         case 1:
             ResetTTDataBuffer();
-            ResetDelayTimer(&data->t00);
+            ResetDelayTimer(&data->stateAdvanceDelay);
             data->state = 2;
             break;
         case 2:
-            if (AdvanceDelayTimerCheckTimeout(&data->t00, 10))
+            if (AdvanceDelayTimerCheckTimeout(&data->stateAdvanceDelay, 10))
                 data->state = 3;
             break;
         case 3:
@@ -301,22 +289,22 @@ void sub_8143910(u8 taskId)
                 data->state = 13;
             break;
         case 4:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE53))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_SelectConnectFromEReaderMenu))
             {
-                AddTextPrinterToWindow1(gUnknown_841DE54);
-                ResetDelayTimer(&data->t00);
+                AddTextPrinterToWindow1(gJPText_SelectConnectWithGBA);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 data->state = 5;
             }
             break;
         case 5:
-            if (AdvanceDelayTimerCheckTimeout(&data->t00, 90))
+            if (AdvanceDelayTimerCheckTimeout(&data->stateAdvanceDelay, 90))
             {
                 ResetTTDataBuffer();
                 data->state = 6;
             }
             else if (JOY_NEW(B_BUTTON))
             {
-                ResetDelayTimer(&data->t00);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 PlaySE(SE_SELECT);
                 data->state = 23;
             }
@@ -326,12 +314,12 @@ void sub_8143910(u8 taskId)
             {
                 PlaySE(SE_SELECT);
                 CloseLink();
-                ResetDelayTimer(&data->t00);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 data->state = 23;
             }
             else if (GetLinkPlayerCount_2() > 1)
             {
-                ResetDelayTimer(&data->t00);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 CloseLink();
                 data->state = 7;
             }
@@ -339,72 +327,80 @@ void sub_8143910(u8 taskId)
             {
                 PlaySE(SE_SELECT);
                 CloseLink();
-                ResetDelayTimer(&data->t00);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 data->state = 8;
             }
-            else if (AdvanceDelayTimerCheckTimeout(&data->t00, 10))
+            else if (AdvanceDelayTimerCheckTimeout(&data->stateAdvanceDelay, 10))
             {
                 CloseLink();
                 ResetTTDataBuffer();
-                ResetDelayTimer(&data->t00);
+                ResetDelayTimer(&data->stateAdvanceDelay);
             }
             break;
         case 7:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE7C))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_LinkIsIncorrect))
                 data->state = 4;
             break;
         case 8:
-            AddTextPrinterToWindow1(gUnknown_841DE95);
-            sub_81435DC(&gUnknown_3005ED0, gUnknownSerialData_End - gUnknownSerialData_Start, gUnknownSerialData_Start);
+            AddTextPrinterToWindow1(gJPText_Connecting);
+            SendUnknownSerialData_Init(&sMEventSendToEReaderManager, gUnknownSerialData_End - gUnknownSerialData_Start, gUnknownSerialData_Start);
             data->state = 9;
             break;
         case 9:
-            data->t0E = sub_8143674(&gUnknown_3005ED0);
-            if (data->t0E != 0)
+            data->initialSendResult = SendUnknownSerialData_Run(&sMEventSendToEReaderManager);
+            if (data->initialSendResult != 0)
                 data->state = 10;
             break;
         case 10:
-            sub_8143644(&gUnknown_3005ED0);
-            if (data->t0E == 3)
+            SendUnknownSerialData_Teardown(&sMEventSendToEReaderManager);
+            if (data->initialSendResult == 3)
+                // Error
                 data->state = 20;
-            else if (data->t0E == 1)
+            else if (data->initialSendResult == 1)
             {
-                ResetDelayTimer(&data->t00);
-                AddTextPrinterToWindow1(gUnknown_841DE9B);
+                // OK
+                ResetDelayTimer(&data->stateAdvanceDelay);
+                AddTextPrinterToWindow1(gJPText_PleaseWaitAMoment);
                 data->state = 11;
             }
             else
+                // Try again
                 data->state = 0;
             break;
         case 11:
-            if (AdvanceDelayTimerCheckTimeout(&data->t00, 840))
+            if (AdvanceDelayTimerCheckTimeout(&data->stateAdvanceDelay, 840))
                 data->state = 12;
             break;
         case 12:
             ResetTTDataBuffer();
-            AddTextPrinterToWindow1(gUnknown_841DE98);
+            AddTextPrinterToWindow1(gJPText_AllowEReaderToLoadCard);
             data->state = 13;
             break;
         case 13:
-            switch (sub_8143770(&data->t09, &data->t00))
+            switch (EReaderReceive(&data->textOrReceiveState, &data->stateAdvanceDelay))
             {
                 case 0:
+                    // Running
                     break;
                 case 2:
-                    AddTextPrinterToWindow1(gUnknown_841DE95);
+                    // Done
+                    AddTextPrinterToWindow1(gJPText_Connecting);
                     data->state = 14;
                     break;
                 case 1:
+                    // Cancelled
                     PlaySE(SE_SELECT);
                     CloseLink();
                     data->state = 23;
                     break;
                 case 5:
+                    // Error Try Again
                     CloseLink();
                     data->state = 21;
                     break;
                 case 3:
                 case 4:
+                    // Error CheckLink
                     CloseLink();
                     data->state = 20;
                     break;
@@ -423,14 +419,14 @@ void sub_8143910(u8 taskId)
             }
             break;
         case 15:
-            data->t0E = ValidateTrainerTowerData((struct EReaderTrainerHillSet *)gDecompressionBuffer);
-            sub_800AA80(data->t0E);
+            data->initialSendResult = ValidateTrainerTowerData((struct EReaderTrainerHillSet *)gDecompressionBuffer);
+            Link_StartSend5FFFwithParam(data->initialSendResult);
             data->state = 16;
             break;
         case 16:
             if (!gReceivedRemoteLinkPlayers)
             {
-                if (data->t0E == 1)
+                if (data->initialSendResult == 1)
                     data->state = 17;
                 else
                     data->state = 20;
@@ -439,39 +435,39 @@ void sub_8143910(u8 taskId)
         case 17:
             if (CEReaderTool_SaveTrainerTower((struct EReaderTrainerHillSet *)gDecompressionBuffer))
             {
-                AddTextPrinterToWindow1(gUnknown_841DE99);
-                ResetDelayTimer(&data->t00);
+                AddTextPrinterToWindow1(gJPText_ConnectionComplete);
+                ResetDelayTimer(&data->stateAdvanceDelay);
                 data->state = 18;
             }
             else
                 data->state = 22;
             break;
         case 18:
-            if (AdvanceDelayTimerCheckTimeout(&data->t00, 120))
+            if (AdvanceDelayTimerCheckTimeout(&data->stateAdvanceDelay, 120))
             {
-                AddTextPrinterToWindow1(gUnknown_841DE9A);
-                PlayFanfare(258);
+                AddTextPrinterToWindow1(gJPText_NewTrainerHasComeToSevii);
+                PlayFanfare(MUS_FANFA4);
                 data->state = 19;
             }
             break;
         case 19:
-            if (IsFanfareTaskInactive() &&JOY_NEW(A_BUTTON | B_BUTTON))
+            if (IsFanfareTaskInactive() && JOY_NEW(A_BUTTON | B_BUTTON))
                 data->state = 26;
             break;
         case 23:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE7D))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_CardReadingHasBeenHalted))
                 data->state = 26;
             break;
         case 20:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE96))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_ConnectionErrorCheckLink))
                 data->state = 0;
             break;
         case 21:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE97))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_ConnectionErrorTryAgain))
                 data->state = 0;
             break;
         case 22:
-            if (MG_PrintTextOnWindow1AndWaitButton(&data->t09, gUnknown_841DE9C))
+            if (MG_PrintTextOnWindow1AndWaitButton(&data->textOrReceiveState, gJPText_WriteErrorUnableToSaveData))
                 data->state = 0;
             break;
         case 26:
@@ -483,10 +479,10 @@ void sub_8143910(u8 taskId)
     }
 }
 
-void sub_8143D24(void)
+void InitMEventData(void)
 {
     CpuFill32(0, &gSaveBlock1Ptr->mysteryEventBuffers, sizeof(gSaveBlock1Ptr->mysteryEventBuffers));
-    sub_8143ED0();
+    BlankMENewsJisan();
     EC_ResetMEventProfileMaybe();
 }
 
@@ -517,14 +513,14 @@ u16 * GetMEventProfileECWordsMaybe(void)
 
 void DestroyWonderNews(void)
 {
-    sub_8143E9C();
+    BlankWonderNews();
 }
 
-bool32 sub_8143DC8(const struct MEWonderNewsData * src)
+bool32 OverwriteSavedWonderNewsWithReceivedNews(const struct MEWonderNewsData * src)
 {
-    if (!sub_8143E64(src))
+    if (!IsReceivedWonderNewsHeaderValid(src))
         return FALSE;
-    sub_8143E9C();
+    BlankWonderNews();
     gSaveBlock1Ptr->mysteryEventBuffers.menews.data = *src;
     gSaveBlock1Ptr->mysteryEventBuffers.menews.crc = CalcCRC16WithTable((void *)&gSaveBlock1Ptr->mysteryEventBuffers.menews.data, sizeof(struct MEWonderNewsData));
     return TRUE;
@@ -534,14 +530,14 @@ bool32 ValidateReceivedWonderNews(void)
 {
     if (CalcCRC16WithTable((void *)&gSaveBlock1Ptr->mysteryEventBuffers.menews.data, sizeof(struct MEWonderNewsData)) != gSaveBlock1Ptr->mysteryEventBuffers.menews.crc)
         return FALSE;
-    if (!sub_8143E64(&gSaveBlock1Ptr->mysteryEventBuffers.menews.data))
+    if (!IsReceivedWonderNewsHeaderValid(&gSaveBlock1Ptr->mysteryEventBuffers.menews.data))
         return FALSE;
     return TRUE;
 }
 
-bool32 sub_8143E64(const struct MEWonderNewsData * data)
+static bool32 IsReceivedWonderNewsHeaderValid(const struct MEWonderNewsData * data)
 {
-    if (data->unk_00 == 0)
+    if (data->newsId == 0)
         return FALSE;
     return TRUE;
 }
@@ -549,24 +545,24 @@ bool32 sub_8143E64(const struct MEWonderNewsData * data)
 bool32 WonderNews_Test_Unk_02(void)
 {
     const struct MEWonderNewsData * data = &gSaveBlock1Ptr->mysteryEventBuffers.menews.data;
-    if (data->unk_02 == 0)
+    if (data->shareState == 0)
         return FALSE;
     return TRUE;
 }
 
-void sub_8143E9C(void)
+static void BlankWonderNews(void)
 {
     CpuFill32(0, GetSavedWonderNews(), sizeof(gSaveBlock1Ptr->mysteryEventBuffers.menews.data));
     gSaveBlock1Ptr->mysteryEventBuffers.menews.crc = 0;
 }
 
-void sub_8143ED0(void)
+static void BlankMENewsJisan(void)
 {
     CpuFill32(0, GetMENewsJisanStructPtr(), sizeof(struct MENewsJisanStruct));
     MENewsJisanReset();
 }
 
-bool32 sub_8143EF4(const u8 * src)
+bool32 MEvent_HaveAlreadyReceivedWonderNews(const u8 * src)
 {
     const u8 * r5 = (const u8 *)&gSaveBlock1Ptr->mysteryEventBuffers.menews.data;
     u32 i;
@@ -584,22 +580,23 @@ void DestroyWonderCard(void)
 {
     BlankSavedWonderCard();
     BlankMEventBuffer2();
-    sub_8144790();
+    BlankBuffer344();
     ClearRamScript();
-    sub_806E2D0();
-    sub_806E370();
+    ResetMysteryEventFlags();
+    ResetMysteryEventVars();
     ClearEReaderTrainer(&gSaveBlock2Ptr->battleTower.ereaderTrainer);
 }
 
-bool32 sub_8143F68(const struct MEWonderCardData * data)
+bool32 OverwriteSavedWonderCardWithReceivedCard(const struct MEWonderCardData * data)
 {
     struct MEventBuffer_3430_Sub * r2;
     struct MEWonderCardData * r1;
-    if (!sub_8144018(data))
+    if (!IsReceivedWonderCardHeaderValid(data))
         return FALSE;
     DestroyWonderCard();
     memcpy(&gSaveBlock1Ptr->mysteryEventBuffers.mecard.data, data, sizeof(struct MEWonderCardData));
     gSaveBlock1Ptr->mysteryEventBuffers.mecard.crc = CalcCRC16WithTable((void *)&gSaveBlock1Ptr->mysteryEventBuffers.mecard.data, sizeof(struct MEWonderCardData));
+    // Annoying hack to match
     r2 = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data;
     r1 = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
     r2->unk_06 = r1->unk_02;
@@ -610,24 +607,24 @@ bool32 ValidateReceivedWonderCard(void)
 {
     if (gSaveBlock1Ptr->mysteryEventBuffers.mecard.crc != CalcCRC16WithTable((void *)&gSaveBlock1Ptr->mysteryEventBuffers.mecard.data, sizeof(struct MEWonderCardData)))
         return FALSE;
-    if (!sub_8144018(&gSaveBlock1Ptr->mysteryEventBuffers.mecard.data))
+    if (!IsReceivedWonderCardHeaderValid(&gSaveBlock1Ptr->mysteryEventBuffers.mecard.data))
         return FALSE;
-    if (!sub_8069DFC())
+    if (!ValidateRamScript())
         return FALSE;
     return TRUE;
 }
 
-bool32 sub_8144018(const struct MEWonderCardData * data)
+static bool32 IsReceivedWonderCardHeaderValid(const struct MEWonderCardData * data)
 {
-    if (data->unk_00 == 0)
+    if (data->cardId == 0)
         return FALSE;
     if (data->unk_08_0 > 2)
         return FALSE;
-    if (!(data->unk_08_6 == 0 || data->unk_08_6 == 1 || data->unk_08_6 == 2))
+    if (!(data->shareState == 0 || data->shareState == 1 || data->shareState == 2))
         return FALSE;
     if (data->unk_08_2 > 7)
         return FALSE;
-    if (data->unk_09 > 7)
+    if (data->recvMonCapacity > 7)
         return FALSE;
     return TRUE;
 }
@@ -635,18 +632,18 @@ bool32 sub_8144018(const struct MEWonderCardData * data)
 bool32 WonderCard_Test_Unk_08_6(void)
 {
     const struct MEWonderCardData * data = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
-    if (data->unk_08_6 == 0)
+    if (data->shareState == 0)
         return FALSE;
     return TRUE;
 }
 
-void BlankSavedWonderCard(void)
+static void BlankSavedWonderCard(void)
 {
     CpuFill32(0, &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data, sizeof(struct MEWonderCardData));
     gSaveBlock1Ptr->mysteryEventBuffers.mecard.crc = 0;
 }
 
-void BlankMEventBuffer2(void)
+static void BlankMEventBuffer2(void)
 {
     CpuFill32(0, sav1_get_mevent_buffer_2(), 18 * sizeof(u16));
     gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.crc = 0;
@@ -655,17 +652,17 @@ void BlankMEventBuffer2(void)
 u16 GetWonderCardFlagId(void)
 {
     if (ValidateReceivedWonderCard())
-        return gSaveBlock1Ptr->mysteryEventBuffers.mecard.data.unk_00;
+        return gSaveBlock1Ptr->mysteryEventBuffers.mecard.data.cardId;
     return 0;
 }
 
-void sub_814410C(struct MEWonderCardData * buffer)
+void MEvent_WonderCardResetUnk08_6(struct MEWonderCardData * buffer)
 {
-    if (buffer->unk_08_6 == 1)
-        buffer->unk_08_6 = 0;
+    if (buffer->shareState == 1)
+        buffer->shareState = 0;
 }
 
-bool32 sub_8144124(u16 a0)
+static bool32 IsCardIdInValidRange(u16 a0)
 {
     if (a0 >= 1000 && a0 < 1020)
         return TRUE;
@@ -675,33 +672,33 @@ bool32 sub_8144124(u16 a0)
 bool32 CheckReceivedGiftFromWonderCard(void)
 {
     u16 value = GetWonderCardFlagId();
-    if (!sub_8144124(value))
+    if (!IsCardIdInValidRange(value))
         return FALSE;
-    if (FlagGet(gUnknown_8466F00[value - 1000]) == TRUE)
+    if (FlagGet(sGiftItemFlagIds[value - 1000]) == TRUE)
         return FALSE;
     return TRUE;
 }
 
-s32 sub_8144184(const struct MEventBuffer_3430_Sub * data, s32 size)
+static s32 CountReceivedDistributionMons(const struct MEventBuffer_3430_Sub * data, s32 size)
 {
     s32 r3 = 0;
     s32 i;
     for (i = 0; i < size; i++)
     {
-        if (data->unk_08[1][i] && data->unk_08[0][i])
+        if (data->distributedMons[1][i] && data->distributedMons[0][i])
             r3++;
     }
     return r3;
 }
 
-bool32 sub_81441AC(const struct MEventBuffer_3430_Sub * data1, const u16 * data2, s32 size)
+static bool32 HasPlayerAlreadyReceivedDistributedMon(const struct MEventBuffer_3430_Sub * data1, const u16 * data2, s32 size)
 {
     s32 i;
     for (i = 0; i < size; i++)
     {
-        if (data1->unk_08[1][i] == data2[1])
+        if (data1->distributedMons[1][i] == data2[1])
             return TRUE;
-        if (data1->unk_08[0][i] == data2[0])
+        if (data1->distributedMons[0][i] == data2[0])
             return TRUE;
     }
     return FALSE;
@@ -718,7 +715,7 @@ static bool32 IsWonderCardSpeciesValid(const u16 * data)
     return TRUE;
 }
 
-s32 sub_8144218(void)
+static s32 ValidateCardAndCountMonsReceived(void)
 {
     struct MEWonderCardData * data;
     if (!ValidateReceivedWonderCard())
@@ -726,24 +723,24 @@ s32 sub_8144218(void)
     data = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
     if (data->unk_08_0 != 1)
         return 0;
-    return sub_8144184(&gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data, data->unk_09);
+    return CountReceivedDistributionMons(&gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data, data->recvMonCapacity);
 }
 
-bool32 sub_8144254(const u16 * data)
+bool32 MEvent_ReceiveDistributionMon(const u16 * data)
 {
     struct MEWonderCardData * buffer = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
-    s32 size = buffer->unk_09;
+    s32 capacity = buffer->recvMonCapacity;
     s32 i;
     if (!IsWonderCardSpeciesValid(data))
         return FALSE;
-    if (sub_81441AC(&gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data, data, size))
+    if (HasPlayerAlreadyReceivedDistributedMon(&gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data, data, capacity))
         return FALSE;
-    for (i = 0; i < size; i++)
+    for (i = 0; i < capacity; i++)
     {
-        if (gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_08[1][i] == 0 && gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_08[0][i] == 0)
+        if (gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.distributedMons[1][i] == 0 && gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.distributedMons[0][i] == 0)
         {
-            gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_08[1][i] = data[1];
-            gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_08[0][i] = data[0];
+            gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.distributedMons[1][i] = data[1];
+            gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.distributedMons[0][i] = data[0];
             return TRUE;
         }
     }
@@ -771,9 +768,9 @@ void BuildMEventClientHeader(struct MEventClientHeaderStruct * data)
     if (ValidateReceivedWonderCard())
     {
         // Populate fields
-        data->id = GetSavedWonderCard()->unk_00;
+        data->id = GetSavedWonderCard()->cardId;
         data->unk_20 = *sav1_get_mevent_buffer_2();
-        data->unk_44 = GetSavedWonderCard()->unk_09;
+        data->maxDistributionMons = GetSavedWonderCard()->recvMonCapacity;
     }
     else
         data->id = 0;
@@ -815,14 +812,14 @@ u32 sub_8144418(const u16 * a0, const struct MEventClientHeaderStruct * a1, void
     return 2;
 }
 
-u32 sub_8144434(const u16 * a0, const struct MEventClientHeaderStruct * a1, void * unused)
+u32 MEvent_CanPlayerReceiveDistributionMon(const u16 * a0, const struct MEventClientHeaderStruct * a1, void * unused)
 {
-    s32 r4 = a1->unk_44 - sub_8144184(&a1->unk_20, a1->unk_44);
-    if (r4 == 0)
+    s32 numSpaces = a1->maxDistributionMons - CountReceivedDistributionMons(&a1->unk_20, a1->maxDistributionMons);
+    if (numSpaces == 0)
         return 1;
-    if (sub_81441AC(&a1->unk_20, a0, a1->unk_44))
+    if (HasPlayerAlreadyReceivedDistributedMon(&a1->unk_20, a0, a1->maxDistributionMons))
         return 3;
-    if (r4 == 1)
+    if (numSpaces == 1)
         return 4;
     return 2;
 }
@@ -838,9 +835,9 @@ bool32 sub_8144474(const struct MEventClientHeaderStruct * a0, const u16 * a1)
     return TRUE;
 }
 
-s32 sub_814449C(const struct MEventClientHeaderStruct * a0)
+static s32 GetNumReceivedDistributionMons(const struct MEventClientHeaderStruct * a0)
 {
-    return sub_8144184(&a0->unk_20, a0->unk_44);
+    return CountReceivedDistributionMons(&a0->unk_20, a0->maxDistributionMons);
 }
 
 u16 sub_81444B0(const struct MEventClientHeaderStruct * a0, u32 command)
@@ -848,22 +845,23 @@ u16 sub_81444B0(const struct MEventClientHeaderStruct * a0, u32 command)
     switch (command)
     {
         case 0:
-            return a0->unk_20.unk_00;
+            return a0->unk_20.linkWins;
         case 1:
-            return a0->unk_20.unk_02;
+            return a0->unk_20.linkLosses;
         case 2:
-            return a0->unk_20.unk_04;
+            return a0->unk_20.linkTrades;
         case 3:
-            return sub_814449C(a0);
+            return GetNumReceivedDistributionMons(a0);
         case 4:
-            return a0->unk_44;
+            return a0->maxDistributionMons;
         default:
              AGB_ASSERT_EX(0, ABSPATH("mevent.c"), 825);
             return 0;
     }
 }
 
-void sub_814451C(u32 command)
+// Increments an interaction count in the save block
+static void IncrementBattleCardCount(u32 command)
 {
     struct MEWonderCardData * data = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
     if (data->unk_08_0 == 2)
@@ -872,13 +870,13 @@ void sub_814451C(u32 command)
         switch (command)
         {
             case 0:
-                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_00;
+                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.linkWins;
                 break;
             case 1:
-                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_02;
+                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.linkLosses;
                 break;
             case 2:
-                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.unk_04;
+                dest = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data.linkTrades;
                 break;
             case 3:
                 break;
@@ -896,7 +894,7 @@ void sub_814451C(u32 command)
     }
 }
 
-u16 sub_81445C0(u32 command)
+u16 MEvent_GetBattleCardCount(u32 command)
 {
     switch (command)
     {
@@ -906,7 +904,7 @@ u16 sub_81445C0(u32 command)
             if (data->unk_08_0 == 2)
             {
                 struct MEventBuffer_3430_Sub * buffer = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data;
-                return buffer->unk_00;
+                return buffer->linkWins;
             }
             break;
         }
@@ -916,7 +914,7 @@ u16 sub_81445C0(u32 command)
             if (data->unk_08_0 == 2)
             {
                 struct MEventBuffer_3430_Sub * buffer = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data;
-                return buffer->unk_02;
+                return buffer->linkLosses;
             }
             break;
         }
@@ -926,7 +924,7 @@ u16 sub_81445C0(u32 command)
             if (data->unk_08_0 == 2)
             {
                 struct MEventBuffer_3430_Sub * buffer = &gSaveBlock1Ptr->mysteryEventBuffers.buffer_310.data;
-                return buffer->unk_04;
+                return buffer->linkTrades;
             }
             break;
         }
@@ -934,14 +932,14 @@ u16 sub_81445C0(u32 command)
         {
             struct MEWonderCardData * data = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
             if (data->unk_08_0 == 1)
-                return sub_8144218();
+                return ValidateCardAndCountMonsReceived();
             break;
         }
         case 4:
         {
             struct MEWonderCardData * data = &gSaveBlock1Ptr->mysteryEventBuffers.mecard.data;
             if (data->unk_08_0 == 1)
-                return data->unk_09;
+                return data->recvMonCapacity;
             break;
         }
     }
@@ -951,36 +949,36 @@ u16 sub_81445C0(u32 command)
 
 void sub_81446C4(void)
 {
-    gUnknown_203F3BC = FALSE;
+    sReceivedWonderCardIsValid = FALSE;
 }
 
-bool32 sub_81446D0(u16 a0)
+bool32 sub_81446D0(u16 cardId)
 {
-    gUnknown_203F3BC = FALSE;
-    if (a0 == 0)
+    sReceivedWonderCardIsValid = FALSE;
+    if (cardId == 0)
         return FALSE;
     if (!ValidateReceivedWonderCard())
         return FALSE;
-    if (gSaveBlock1Ptr->mysteryEventBuffers.mecard.data.unk_00 != a0)
+    if (gSaveBlock1Ptr->mysteryEventBuffers.mecard.data.cardId != cardId)
         return FALSE;
-    gUnknown_203F3BC = TRUE;
+    sReceivedWonderCardIsValid = TRUE;
     return TRUE;
 }
 
-void sub_8144714(u32 a0, u32 a1)
+void sub_8144714(u32 eventId, u32 trainerId)
 {
-    if (gUnknown_203F3BC)
+    if (sReceivedWonderCardIsValid)
     {
-        switch (a0)
+        switch (eventId)
         {
             case 2:
-                sub_8144824(2, a1, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[1], 5);
+                RecordIdOfWonderCardSender(2, trainerId, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[1], 5);
                 break;
             case 0:
-                sub_8144824(0, a1, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[0], 5);
+                RecordIdOfWonderCardSender(0, trainerId, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[0], 5);
                 break;
             case 1:
-                sub_8144824(1, a1, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[0], 5);
+                RecordIdOfWonderCardSender(1, trainerId, gSaveBlock1Ptr->mysteryEventBuffers.unk_344[0], 5);
                 break;
             default:
                  AGB_ASSERT_EX(0, ABSPATH("mevent.c"), 988);
@@ -988,43 +986,48 @@ void sub_8144714(u32 a0, u32 a1)
     }
 }
 
-void sub_8144790(void)
+static void BlankBuffer344(void)
 {
     CpuFill32(0, gSaveBlock1Ptr->mysteryEventBuffers.unk_344, sizeof(gSaveBlock1Ptr->mysteryEventBuffers.unk_344));
 }
 
-bool32 sub_81447BC(u32 a0, u32 * a1, s32 size)
+// Looks up trainerId in an array idsList with count elements.
+// If trainerId is found, rearranges idsList to put it in the front.
+// Otherwise, drops the last element of the list and inserts
+// trainerId at the front.
+// Returns TRUE in the latter case.
+static bool32 PlaceTrainerIdAtFrontOfList(u32 trainerId, u32 * idsList, s32 count)
 {
     s32 i;
     s32 j;
 
-    for (i = 0; i < size; i++)
+    for (i = 0; i < count; i++)
     {
-        if (a1[i] == a0)
+        if (idsList[i] == trainerId)
             break;
     }
-    if (i == size)
+    if (i == count)
     {
-        for (j = size - 1; j > 0; j--)
+        for (j = count - 1; j > 0; j--)
         {
-            a1[j] = a1[j - 1];
+            idsList[j] = idsList[j - 1];
         }
-        a1[0] = a0;
+        idsList[0] = trainerId;
         return TRUE;
     }
     else
     {
         for (j = i; j > 0; j--)
         {
-            a1[j] = a1[j - 1];
+            idsList[j] = idsList[j - 1];
         }
-        a1[0] = a0;
+        idsList[0] = trainerId;
         return FALSE;
     }
 }
 
-void sub_8144824(u32 a0, u32 a1, u32 * a2, s32 a3)
+static void RecordIdOfWonderCardSender(u32 eventId, u32 trainerId, u32 * idsList, s32 count)
 {
-    if (sub_81447BC(a1, a2, a3))
-        sub_814451C(a0);
+    if (PlaceTrainerIdAtFrontOfList(trainerId, idsList, count))
+        IncrementBattleCardCount(eventId);
 }
diff --git a/src/mevent_8145654.c b/src/mevent_8145654.c
deleted file mode 100644
index 3de09ab44..000000000
--- a/src/mevent_8145654.c
+++ /dev/null
@@ -1,793 +0,0 @@
-#include "global.h"
-#include "constants/species.h"
-#include "bg.h"
-#include "gpu_regs.h"
-#include "palette.h"
-#include "decompress.h"
-#include "malloc.h"
-#include "menu.h"
-#include "new_menu_helpers.h"
-#include "pokemon_icon.h"
-#include "mystery_gift_menu.h"
-#include "menu_indicators.h"
-#include "string_util.h"
-#include "link_rfu.h"
-#include "mevent.h"
-#include "battle_anim.h"
-
-struct UnkStruct_8467FB8
-{
-    u8 textPal1:4;
-    u8 textPal2:4;
-    u8 textPal3:4;
-    u8 textPal4:4;
-    const u8 * tiles;
-    const u8 * map;
-    const u16 * pal;
-};
-
-struct UnkStruct_203F3C8_02DC
-{
-    u8 unk_00;
-    u8 unk_01[41];
-    u8 unk_42[4];
-};
-
-struct UnkStruct_203F3C8
-{
-    /*0000*/ struct MEWonderCardData unk_0000;
-    /*014c*/ struct MEventBuffer_3430_Sub unk_014C;
-    /*0170*/ const struct UnkStruct_8467FB8 * unk_0170;
-    /*0174*/ u8 unk_0174;
-    /*0175*/ u8 unk_0175;
-    /*0176*/ u16 unk_0176[3];
-    /*017C*/ u8 unk_017C;
-    /*017D*/ u8 unk_017D[7][2];
-    /*018B*/ u8 unk_018B[41];
-    /*01B4*/ u8 unk_01B4[41];
-    /*01DD*/ u8 unk_01DD[7];
-    /*01E4*/ u8 unk_01E4[4][41];
-    /*0288*/ u8 unk_0288[41];
-    /*02B1*/ u8 unk_02B1[41];
-    /*02DC*/ struct UnkStruct_203F3C8_02DC unk_02DC[8];
-    /*045C*/ u8 buffer_045C[0x1000];
-};
-
-EWRAM_DATA struct UnkStruct_203F3C8 * gUnknown_203F3C8 = NULL;
-
-void sub_8145A98(void);
-void sub_8145D18(u8 whichWindow);
-void sub_8146060(void);
-void sub_81461D8(void);
-
-const u8 gUnknown_8467068[][3] = {
-    {0, 2, 3},
-    {0, 1, 2}
-};
-const u8 ALIGNED(4) gUnknown_8467070[3] = {7, 4, 7};
-const struct WindowTemplate gUnknown_8467074[] = {
-    {0x01, 0x01, 0x01, 0x19, 0x04, 0x0f, 0x029c},
-    {0x01, 0x01, 0x06, 0x1c, 0x08, 0x0f, 0x01bc},
-    {0x01, 0x01, 0x0e, 0x1c, 0x05, 0x0f, 0x0130}
-};
-
-const u16 gUnknown_846708C[] = INCBIN_U16("data/graphics/mevent/pal_46708C.gbapal");
-const u16 gUnknown_84670AC[] = INCBIN_U16("data/graphics/mevent/pal_4670AC.gbapal");
-const u16 gUnknown_84670CC[] = INCBIN_U16("data/graphics/mevent/pal_4670CC.gbapal");
-const u16 gUnknown_84670EC[] = INCBIN_U16("data/graphics/mevent/pal_4670EC.gbapal");
-const u16 gUnknown_846710C[] = INCBIN_U16("data/graphics/mevent/pal_46710C.gbapal");
-const u16 gUnknown_846712C[] = INCBIN_U16("data/graphics/mevent/pal_46712C.gbapal");
-const u16 gUnknown_846714C[] = INCBIN_U16("data/graphics/mevent/pal_46714C.gbapal");
-const u16 gUnknown_846716C[] = INCBIN_U16("data/graphics/mevent/pal_46716C.gbapal");
-const u8 gUnknown_846718C[] = INCBIN_U8("data/graphics/mevent/gfx_46718C.4bpp.lz");
-const u8 gUnknown_8467288[] = INCBIN_U8("data/graphics/mevent/tilemap_467288.bin.lz");
-const u8 gUnknown_846737C[] = INCBIN_U8("data/graphics/mevent/gfx_46737C.4bpp.lz");
-const u8 gUnknown_8467470[] = INCBIN_U8("data/graphics/mevent/tilemap_467470.bin.lz");
-const u8 gUnknown_8467558[] = INCBIN_U8("data/graphics/mevent/gfx_467558.4bpp.lz");
-const u8 gUnknown_846762C[] = INCBIN_U8("data/graphics/mevent/tilemap_46762C.bin.lz");
-const u8 gUnknown_8467700[] = INCBIN_U8("data/graphics/mevent/gfx_467700.4bpp.lz");
-const u8 gUnknown_8467934[] = INCBIN_U8("data/graphics/mevent/tilemap_467934.bin.lz");
-const u8 gUnknown_8467A7C[] = INCBIN_U8("data/graphics/mevent/gfx_467A7C.4bpp.lz");
-const u8 gUnknown_8467CAC[] = INCBIN_U8("data/graphics/mevent/tilemap_467CAC.bin.lz");
-const u16 gUnknown_8467DF4[] = INCBIN_U16("data/graphics/mevent/pal_467DF4.gbapal");
-const u16 gUnknown_8467E14[] = INCBIN_U16("data/graphics/mevent/pal_467E14.gbapal");
-const u16 gUnknown_8467E34[] = INCBIN_U16("data/graphics/mevent/pal_467E34.gbapal");
-const u16 gUnknown_8467E54[] = INCBIN_U16("data/graphics/mevent/pal_467E54.gbapal");
-const u16 gUnknown_8467E74[] = INCBIN_U16("data/graphics/mevent/pal_467E74.gbapal");
-const u16 gUnknown_8467E94[] = INCBIN_U16("data/graphics/mevent/pal_467E94.gbapal");
-const u16 gUnknown_8467EB4[] = INCBIN_U16("data/graphics/mevent/pal_467EB4.gbapal");
-const u16 gUnknown_8467ED4[] = INCBIN_U16("data/graphics/mevent/pal_467ED4.gbapal");
-const u32 gUnknown_8467EF4[] = INCBIN_U32("data/graphics/mevent/gfx_467EF4.4bpp.lz");
-
-const struct CompressedSpriteSheet gUnknown_8467F58 = {
-    gUnknown_8467EF4, 0x100, 0x8000
-};
-const struct SpritePalette gUnknown_8467F60[] = {
-    {gUnknown_8467DF4, 0x8000},
-    {gUnknown_8467E14, 0x8000},
-    {gUnknown_8467E34, 0x8000},
-    {gUnknown_8467E54, 0x8000},
-    {gUnknown_8467E74, 0x8000},
-    {gUnknown_8467E94, 0x8000},
-    {gUnknown_8467EB4, 0x8000},
-    {gUnknown_8467ED4, 0x8000}
-};
-const struct SpriteTemplate gUnknown_8467FA0 = {
-    0x8000, 0x8000, &gOamData_AffineOff_ObjNormal_32x16, gDummySpriteAnimTable, NULL, gDummySpriteAffineAnimTable, SpriteCallbackDummy
-};
-const struct UnkStruct_8467FB8 gUnknown_8467FB8[8] = {
-    {1, 0, 0, 0, gUnknown_846718C, gUnknown_8467288, gUnknown_846708C},
-    {1, 0, 0, 1, gUnknown_846737C, gUnknown_8467470, gUnknown_84670AC},
-    {1, 0, 0, 2, gUnknown_8467558, gUnknown_846762C, gUnknown_84670CC},
-    {1, 0, 0, 3, gUnknown_8467558, gUnknown_846762C, gUnknown_84670EC},
-    {1, 0, 0, 4, gUnknown_8467558, gUnknown_846762C, gUnknown_846710C},
-    {1, 0, 0, 5, gUnknown_8467558, gUnknown_846762C, gUnknown_846712C},
-    {1, 0, 0, 6, gUnknown_8467700, gUnknown_8467934, gUnknown_846714C},
-    {1, 0, 0, 7, gUnknown_8467A7C, gUnknown_8467CAC, gUnknown_846716C}
-};
-
-bool32 InitWonderCardResources(struct MEWonderCardData * r5, struct MEventBuffer_3430_Sub * r6)
-{
-    if (r5 == NULL || r6 == NULL)
-        return FALSE;
-    gUnknown_203F3C8 = AllocZeroed(sizeof(struct UnkStruct_203F3C8));
-    if (gUnknown_203F3C8 == NULL)
-        return FALSE;
-    gUnknown_203F3C8->unk_0000 = *r5;
-    gUnknown_203F3C8->unk_014C = *r6;
-    if (gUnknown_203F3C8->unk_0000.unk_08_2 >= NELEMS(gUnknown_8467FB8))
-        gUnknown_203F3C8->unk_0000.unk_08_2 = 0;
-    if (gUnknown_203F3C8->unk_0000.unk_08_0 >= NELEMS(gUnknown_8467070))
-        gUnknown_203F3C8->unk_0000.unk_08_0 = 0;
-    if (gUnknown_203F3C8->unk_0000.unk_09 > NELEMS(gUnknown_203F3C8->unk_017D))
-        gUnknown_203F3C8->unk_0000.unk_09 = 0;
-    gUnknown_203F3C8->unk_0170 = &gUnknown_8467FB8[gUnknown_203F3C8->unk_0000.unk_08_2];
-    return TRUE;
-}
-
-void DestroyWonderCardResources(void)
-{
-    if (gUnknown_203F3C8 != NULL)
-    {
-        *gUnknown_203F3C8 = (struct UnkStruct_203F3C8){};
-        Free(gUnknown_203F3C8);
-        gUnknown_203F3C8 = NULL;
-    }
-}
-
-s32 FadeToWonderCardMenu(void)
-{
-    if (gUnknown_203F3C8 == NULL)
-        return -1;
-    switch(gUnknown_203F3C8->unk_0174)
-    {
-        case 0:
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
-            break;
-        case 1:
-            if (UpdatePaletteFade())
-                return 0;
-            break;
-        case 2:
-            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(1);
-            CopyBgTilemapBufferToVram(2);
-            DecompressAndCopyTileDataToVram(2, gUnknown_203F3C8->unk_0170->tiles, 0, 0x008, 0);
-            gUnknown_203F3C8->unk_0176[0] = AddWindow(&gUnknown_8467074[0]);
-            gUnknown_203F3C8->unk_0176[1] = AddWindow(&gUnknown_8467074[1]);
-            gUnknown_203F3C8->unk_0176[2] = AddWindow(&gUnknown_8467074[2]);
-            break;
-        case 3:
-            if (FreeTempTileDataBuffersIfPossible())
-                return 0;
-            gPaletteFade.bufferTransferDisabled = TRUE;
-            LoadPalette(gUnknown_203F3C8->unk_0170->pal, 0x10, 0x20);
-            LZ77UnCompWram(gUnknown_203F3C8->unk_0170->map, gUnknown_203F3C8->buffer_045C);
-            CopyRectToBgTilemapBufferRect(2, gUnknown_203F3C8->buffer_045C, 0, 0, 30, 20, 0, 0, 30, 20, 1, 0x008, 0);
-            CopyBgTilemapBufferToVram(2);
-            break;
-        case 4:
-            sub_8145A98();
-            break;
-        case 5:
-            sub_8145D18(0);
-            sub_8145D18(1);
-            sub_8145D18(2);
-            CopyBgTilemapBufferToVram(1);
-            break;
-        case 6:
-            LoadMonIconPalettes();
-            break;
-        case 7:
-            ShowBg(1);
-            ShowBg(2);
-            gPaletteFade.bufferTransferDisabled = FALSE;
-            sub_8146060();
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
-            UpdatePaletteFade();
-            break;
-        default:
-            if (UpdatePaletteFade())
-                return 0;
-            gUnknown_203F3C8->unk_0174 = 0;
-            return 1;
-    }
-    ++gUnknown_203F3C8->unk_0174;
-    return 0;
-}
-
-s32 FadeOutFromWonderCard(bool32 flag)
-{
-    if (gUnknown_203F3C8 == NULL)
-        return -1;
-    switch (gUnknown_203F3C8->unk_0174)
-    {
-        case 0:
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
-            break;
-        case 1:
-            if (UpdatePaletteFade())
-                return 0;
-            break;
-        case 2:
-            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(1);
-            CopyBgTilemapBufferToVram(2);
-            break;
-        case 3:
-            HideBg(1);
-            HideBg(2);
-            RemoveWindow(gUnknown_203F3C8->unk_0176[2]);
-            RemoveWindow(gUnknown_203F3C8->unk_0176[1]);
-            RemoveWindow(gUnknown_203F3C8->unk_0176[0]);
-            break;
-        case 4:
-            sub_81461D8();
-            FreeMonIconPalettes();
-            break;
-        case 5:
-            PrintMysteryGiftOrEReaderTopMenu(gGiftIsFromEReader, flag);
-            break;
-        case 6:
-            CopyBgTilemapBufferToVram(0);
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
-            break;
-        default:
-            if (UpdatePaletteFade())
-                return 0;
-            gUnknown_203F3C8->unk_0174 = 0;
-            return 1;
-    }
-    ++gUnknown_203F3C8->unk_0174;
-    return 0;
-}
-
-void sub_8145A98(void)
-{
-    u16 i = 0;
-    u16 r6;
-    u16 sp0[3] = {0, 0, 0};
-
-    memcpy(gUnknown_203F3C8->unk_018B, gUnknown_203F3C8->unk_0000.unk_0A, 40);
-    gUnknown_203F3C8->unk_018B[40] = EOS;
-    memcpy(gUnknown_203F3C8->unk_01B4, gUnknown_203F3C8->unk_0000.unk_32, 40);
-    gUnknown_203F3C8->unk_01B4[40] = EOS;
-    if (gUnknown_203F3C8->unk_0000.unk_04 > 999999)
-        gUnknown_203F3C8->unk_0000.unk_04 = 999999;
-    ConvertIntToDecimalStringN(gUnknown_203F3C8->unk_01DD, gUnknown_203F3C8->unk_0000.unk_04, STR_CONV_MODE_LEFT_ALIGN, 6);
-    for (i = 0; i < 4; i++)
-    {
-        memcpy(gUnknown_203F3C8->unk_01E4[i], gUnknown_203F3C8->unk_0000.unk_5A[i], 40);
-        gUnknown_203F3C8->unk_01E4[i][40] = EOS;
-    }
-    memcpy(gUnknown_203F3C8->unk_0288, gUnknown_203F3C8->unk_0000.unk_FA, 40);
-    gUnknown_203F3C8->unk_0288[40] = EOS;
-    switch (gUnknown_203F3C8->unk_0000.unk_08_0)
-    {
-        case 0:
-            memcpy(gUnknown_203F3C8->unk_02B1, gUnknown_203F3C8->unk_0000.unk_122, 40);
-            gUnknown_203F3C8->unk_02B1[40] = EOS;
-            break;
-        case 1:
-            gUnknown_203F3C8->unk_02B1[00] = EOS;
-            break;
-        case 2:
-            gUnknown_203F3C8->unk_02B1[00] = EOS;
-            sp0[0] = gUnknown_203F3C8->unk_014C.unk_00 < 999 ? gUnknown_203F3C8->unk_014C.unk_00 : 999;
-            sp0[1] = gUnknown_203F3C8->unk_014C.unk_02 < 999 ? gUnknown_203F3C8->unk_014C.unk_02 : 999;
-            sp0[2] = gUnknown_203F3C8->unk_014C.unk_04 < 999 ? gUnknown_203F3C8->unk_014C.unk_04 : 999;
-            for (i = 0; i < 8; i++)
-            {
-                memset(gUnknown_203F3C8->unk_02DC[i].unk_42, EOS, 4);
-                memset(gUnknown_203F3C8->unk_02DC[i].unk_01, EOS, 41);
-            }
-            for (i = 0, r6 = 0; i < 40; i++)
-            {
-                if (gUnknown_203F3C8->unk_0000.unk_122[i] != 0xF7)
-                {
-                    gUnknown_203F3C8->unk_02DC[gUnknown_203F3C8->unk_0175].unk_01[r6] = gUnknown_203F3C8->unk_0000.unk_122[i];
-                    r6++;
-                }
-                else
-                {
-                    u8 r3 = gUnknown_203F3C8->unk_0000.unk_122[i + 1];
-                    if (r3 > 2)
-                    {
-                        i += 2;
-                    }
-                    else
-                    {
-                        ConvertIntToDecimalStringN(gUnknown_203F3C8->unk_02DC[gUnknown_203F3C8->unk_0175].unk_42, sp0[r3], STR_CONV_MODE_LEADING_ZEROS, 3);
-                        gUnknown_203F3C8->unk_02DC[gUnknown_203F3C8->unk_0175].unk_00 = gUnknown_203F3C8->unk_0000.unk_122[i + 2];
-                        gUnknown_203F3C8->unk_0175++;
-                        if (gUnknown_203F3C8->unk_0175 > 7)
-                            break;
-                        r6 = 0;
-                        i += 2;
-                    }
-                }
-            }
-    }
-}
-
-void sub_8145D18(u8 whichWindow)
-{
-    s8 sp0C = 0;
-    s32 windowId = gUnknown_203F3C8->unk_0176[whichWindow];
-    PutWindowTilemap(windowId);
-    FillWindowPixelBuffer(windowId, 0);
-    switch (whichWindow)
-    {
-        case 0:
-        {
-            s32 x;
-            AddTextPrinterParameterized3(windowId, 3, 0, 1, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal1], 0, gUnknown_203F3C8->unk_018B);
-            x = 160 - GetStringWidth(3, gUnknown_203F3C8->unk_01B4, GetFontAttribute(3, 2));
-            if (x < 0)
-                x = 0;
-            AddTextPrinterParameterized3(windowId, 3, x, 17, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal1], 0, gUnknown_203F3C8->unk_01B4);
-            if (gUnknown_203F3C8->unk_0000.unk_04 != 0)
-            {
-                AddTextPrinterParameterized3(windowId, 2, 166, 17, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal1], 0, gUnknown_203F3C8->unk_01DD);
-            }
-            break;
-        }
-        case 1:
-            for (; sp0C < 4; sp0C++)
-            {
-                AddTextPrinterParameterized3(windowId, 3, 0, 16 * sp0C + 2, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal2], 0, gUnknown_203F3C8->unk_01E4[sp0C]);
-            }
-            break;
-        case 2:
-            AddTextPrinterParameterized3(windowId, 3, 0, gUnknown_8467070[gUnknown_203F3C8->unk_0000.unk_08_0], gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal3], 0, gUnknown_203F3C8->unk_0288);
-            if (gUnknown_203F3C8->unk_0000.unk_08_0 != 2)
-            {
-                AddTextPrinterParameterized3(windowId, 3, 0, 16 + gUnknown_8467070[gUnknown_203F3C8->unk_0000.unk_08_0], gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal3], 0, gUnknown_203F3C8->unk_02B1);
-            }
-            else
-            {
-                s32 x = 0;
-                s32 y = gUnknown_8467070[gUnknown_203F3C8->unk_0000.unk_08_0] + 16;
-                s32 spacing = GetFontAttribute(3, 2);
-                for (; sp0C < gUnknown_203F3C8->unk_0175; sp0C++)
-                {
-                    AddTextPrinterParameterized3(windowId, 3, x, y, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal3], 0, gUnknown_203F3C8->unk_02DC[sp0C].unk_01);
-                    if (gUnknown_203F3C8->unk_02DC[sp0C].unk_42[0] != EOS)
-                    {
-                        x += GetStringWidth(3, gUnknown_203F3C8->unk_02DC[sp0C].unk_01, spacing);
-                        AddTextPrinterParameterized3(windowId, 2, x, y, gUnknown_8467068[gUnknown_203F3C8->unk_0170->textPal3], 0, gUnknown_203F3C8->unk_02DC[sp0C].unk_42);
-                        x += GetStringWidth(3, gUnknown_203F3C8->unk_02DC[sp0C].unk_42, spacing) + gUnknown_203F3C8->unk_02DC[sp0C].unk_00;
-                    }
-                }
-            }
-            break;
-    }
-    CopyWindowToVram(windowId, 3);
-}
-
-void sub_8146060(void)
-{
-    u8 r7 = 0;
-    gUnknown_203F3C8->unk_017C = 0xFF;
-    if (gUnknown_203F3C8->unk_014C.unk_06 != SPECIES_NONE)
-    {
-        gUnknown_203F3C8->unk_017C = CreateMonIcon_HandleDeoxys(MailSpeciesToIconSpecies(gUnknown_203F3C8->unk_014C.unk_06), SpriteCallbackDummy, 0xDC, 0x14, 0, FALSE);
-        gSprites[gUnknown_203F3C8->unk_017C].oam.priority = 2;
-    }
-    if (gUnknown_203F3C8->unk_0000.unk_09 != 0 && gUnknown_203F3C8->unk_0000.unk_08_0 == 1)
-    {
-        LoadCompressedSpriteSheetUsingHeap(&gUnknown_8467F58);
-        LoadSpritePalette(&gUnknown_8467F60[gUnknown_203F3C8->unk_0170->textPal4]);
-        for (; r7 < gUnknown_203F3C8->unk_0000.unk_09; r7++)
-        {
-            gUnknown_203F3C8->unk_017D[r7][0] = 0xFF;
-            gUnknown_203F3C8->unk_017D[r7][1] = 0xFF;
-            gUnknown_203F3C8->unk_017D[r7][0] = CreateSprite(&gUnknown_8467FA0, 0xd8 - 32 * r7, 0x90, 8);
-            if (gUnknown_203F3C8->unk_014C.unk_08[0][r7] != 0)
-            {
-                gUnknown_203F3C8->unk_017D[r7][1] = CreateMonIcon_HandleDeoxys(MailSpeciesToIconSpecies(gUnknown_203F3C8->unk_014C.unk_08[0][r7]), SpriteCallbackDummy, 0xd8 - 32 * r7, 0x88, 0, 0);
-                gSprites[gUnknown_203F3C8->unk_017D[r7][1]].oam.priority = 2;
-            }
-        }
-    }
-}
-
-void sub_81461D8(void)
-{
-    u8 r6 = 0;
-    if (gUnknown_203F3C8->unk_017C != 0xFF)
-        DestroyMonIcon(&gSprites[gUnknown_203F3C8->unk_017C]);
-    if (gUnknown_203F3C8->unk_0000.unk_09 != 0 && gUnknown_203F3C8->unk_0000.unk_08_0 == 1)
-    {
-        for (; r6 < gUnknown_203F3C8->unk_0000.unk_09; r6++)
-        {
-            if (gUnknown_203F3C8->unk_017D[r6][0] != 0xFF)
-            {
-                DestroySprite(&gSprites[gUnknown_203F3C8->unk_017D[r6][0]]);
-                // This might be a typo.  Uncomment the next line, and comment the one that follows, to get the presumed intended behavior.
-                // if (gUnknown_203F3C8->unk_017D[r6][1] != 0xFF)
-                if (gUnknown_203F3C8->unk_017D[r6][0] != 0xFF)
-                {
-                    DestroyMonIcon(&gSprites[gUnknown_203F3C8->unk_017D[r6][1]]);
-                }
-            }
-        }
-        FreeSpriteTilesByTag(0x8000);
-        FreeSpritePaletteByTag(0x8000);
-    }
-}
-
-struct UnkStruct_203F3CC
-{
-    /*0000*/ struct MEWonderNewsData unk_0000;
-    /*01bc*/ const struct UnkStruct_8467FB8 * unk_01BC;
-    /*01c0*/ u8 unk_01C0_0:1;
-             u8 unk_01C0_1:7;
-    /*01c1*/ u8 unk_01C1;
-    /*01c2*/ u8 unk_01C2_0:1;
-             u8 unk_01C2_1:7;
-    /*01c3*/ u8 unk_01C3_0:1;
-             u8 unk_01C3_1:7;
-    /*01c4*/ u16 unk_01C4;
-    /*01c6*/ u16 unk_01C6;
-    /*01c8*/ u16 unk_01C8[2];
-    /*01cc*/ u8 filler_01CC[2];
-    /*01ce*/ u8 unk_01CE[41];
-    /*01f7*/ u8 unk_01F7[10][41];
-    /*0394*/ struct ScrollArrowsTemplate unk_0394;
-    /*03a4*/ u8 buffer_03A4[0x1000];
-};
-
-EWRAM_DATA struct UnkStruct_203F3CC * gUnknown_203F3CC = NULL;
-
-void sub_8146980(void);
-void sub_8146A30(void);
-void sub_8146B58(void);
-
-const u8 gUnknown_8468038[][3] = {
-    {0, 2, 3},
-    {0, 1, 2}
-};
-const struct WindowTemplate gUnknown_8468040[] = {
-    {0, 1, 0, 28,  3, 15, 0x000},
-    {2, 1, 3, 28, 20, 15, 0x000}
-};
-const struct ScrollArrowsTemplate gUnknown_8468050 = {
-    0x02, 0xe8, 0x18, 0x03, 0xe8, 0x98,
-    0x0000, 0x0002, 0x1000, 0x1000, 0x0,
-};
-
-const u16 gUnknown_8468060[] = INCBIN_U16("data/graphics/mevent/pal_468060.gbapal");
-const u16 gUnknown_8468080[] = INCBIN_U16("data/graphics/mevent/pal_468080.gbapal");
-const u16 gUnknown_84680A0[] = INCBIN_U16("data/graphics/mevent/pal_4680A0.gbapal");
-const u8 gUnknown_84680C0[] = INCBIN_U8("data/graphics/mevent/gfx_4680C0.4bpp.lz");
-const u8 gUnknown_8468140[] = INCBIN_U8("data/graphics/mevent/tilemap_468140.bin.lz");
-const u8 gUnknown_846821C[] = INCBIN_U8("data/graphics/mevent/gfx_46821C.4bpp.lz");
-const u8 gUnknown_846824C[] = INCBIN_U8("data/graphics/mevent/tilemap_46824C.bin.lz");
-const u8 gUnknown_846830C[] = INCBIN_U8("data/graphics/mevent/gfx_46830C.4bpp.lz");
-const u8 gUnknown_846837C[] = INCBIN_U8("data/graphics/mevent/tilemap_46837C.bin.lz");
-const u8 gUnknown_8468448[] = INCBIN_U8("data/graphics/mevent/gfx_468448.4bpp.lz");
-const u8 gUnknown_84684D8[] = INCBIN_U8("data/graphics/mevent/tilemap_4684D8.bin.lz");
-const u8 gUnknown_84685B4[] = INCBIN_U8("data/graphics/mevent/gfx_4685B4.4bpp.lz");
-const u8 gUnknown_8468644[] = INCBIN_U8("data/graphics/mevent/tilemap_468644.bin.lz");
-
-const struct UnkStruct_8467FB8 gUnknown_8468720[] = {
-    {1, 0, 0, 0, gUnknown_84680C0, gUnknown_8468140, gUnknown_8468060},
-    {1, 0, 0, 0, gUnknown_846821C, gUnknown_846824C, gUnknown_84670AC},
-    {1, 0, 0, 0, gUnknown_846830C, gUnknown_846837C, gUnknown_84670CC},
-    {1, 0, 0, 0, gUnknown_846830C, gUnknown_846837C, gUnknown_84670EC},
-    {1, 0, 0, 0, gUnknown_846830C, gUnknown_846837C, gUnknown_846710C},
-    {1, 0, 0, 0, gUnknown_846830C, gUnknown_846837C, gUnknown_846712C},
-    {1, 0, 0, 0, gUnknown_8468448, gUnknown_84684D8, gUnknown_8468080},
-    {1, 0, 0, 0, gUnknown_84685B4, gUnknown_8468644, gUnknown_84680A0}
-};
-
-bool32 InitWonderNewsResources(const struct MEWonderNewsData * a0)
-{
-    if (a0 == NULL)
-        return FALSE;
-    gUnknown_203F3CC = AllocZeroed(sizeof(struct UnkStruct_203F3CC));
-    if (gUnknown_203F3CC == NULL)
-        return FALSE;
-    gUnknown_203F3CC->unk_0000 = *a0;
-    if (gUnknown_203F3CC->unk_0000.unk_03 >= NELEMS(gUnknown_8468720))
-        gUnknown_203F3CC->unk_0000.unk_03 = 0;
-    gUnknown_203F3CC->unk_01BC = &gUnknown_8468720[gUnknown_203F3CC->unk_0000.unk_03];
-    gUnknown_203F3CC->unk_01C1 = 0xFF;
-    return TRUE;
-}
-
-void DestroyWonderNewsResources(void)
-{
-    if (gUnknown_203F3CC != NULL)
-    {
-        *gUnknown_203F3CC = (struct UnkStruct_203F3CC){};
-        Free(gUnknown_203F3CC);
-        gUnknown_203F3CC = NULL;
-    }
-}
-
-s32 FadeToWonderNewsMenu(void)
-{
-    if (gUnknown_203F3CC == NULL)
-        return -1;
-
-    switch (gUnknown_203F3CC->unk_01C0_1)
-    {
-        case 0:
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
-            break;
-        case 1:
-            if (UpdatePaletteFade())
-                return 0;
-            ChangeBgY(0, 0, 0);
-            ChangeBgY(1, 0, 0);
-            ChangeBgY(2, 0, 0);
-            ChangeBgY(3, 0, 0);
-            SetGpuReg(REG_OFFSET_WIN0H, 0xF0);
-            SetGpuReg(REG_OFFSET_WIN0V, 0x1A98);
-            SetGpuReg(REG_OFFSET_WININ, 0x1F);
-            SetGpuReg(REG_OFFSET_WINOUT, 0x1B);
-            SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
-            break;
-        case 2:
-            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(3, 0x000, 0, 0, 30, 20);
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(1);
-            CopyBgTilemapBufferToVram(2);
-            CopyBgTilemapBufferToVram(3);
-            DecompressAndCopyTileDataToVram(3, gUnknown_203F3CC->unk_01BC->tiles, 0, 8, 0);
-            gUnknown_203F3CC->unk_01C8[0] = AddWindow(&gUnknown_8468040[0]);
-            gUnknown_203F3CC->unk_01C8[1] = AddWindow(&gUnknown_8468040[1]);
-            break;
-        case 3:
-            if (FreeTempTileDataBuffersIfPossible())
-                return 0;
-            gPaletteFade.bufferTransferDisabled = TRUE;
-            LoadPalette(gUnknown_203F3CC->unk_01BC->pal, 0x10, 0x20);
-            LZ77UnCompWram(gUnknown_203F3CC->unk_01BC->map, gUnknown_203F3CC->buffer_03A4);
-            CopyRectToBgTilemapBufferRect(1, gUnknown_203F3CC->buffer_03A4, 0, 0, 30, 3, 0, 0, 30, 3, 1, 8, 0);
-            CopyRectToBgTilemapBufferRect(3, gUnknown_203F3CC->buffer_03A4, 0, 3, 30, 23, 0, 3, 30, 23, 1, 8, 0);
-            CopyBgTilemapBufferToVram(1);
-            CopyBgTilemapBufferToVram(3);
-            break;
-        case 4:
-            sub_8146980();
-            break;
-        case 5:
-            sub_8146A30();
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(2);
-            break;
-        case 6:
-            ShowBg(1);
-            ShowBg(2);
-            ShowBg(3);
-            gPaletteFade.bufferTransferDisabled = FALSE;
-            gUnknown_203F3CC->unk_01C1 = AddScrollIndicatorArrowPair(&gUnknown_203F3CC->unk_0394, &gUnknown_203F3CC->unk_01C6);
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
-            UpdatePaletteFade();
-            break;
-        default:
-            if (UpdatePaletteFade())
-                return 0;
-            gUnknown_203F3CC->unk_01C0_1 = 0;
-            return 1;
-    }
-
-    ++gUnknown_203F3CC->unk_01C0_1;
-    return 0;
-}
-
-s32 FadeOutFromWonderNews(bool32 flag)
-{
-    if (gUnknown_203F3CC == NULL)
-        return -1;
-    switch (gUnknown_203F3CC->unk_01C0_1)
-    {
-        case 0:
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
-            break;
-        case 1:
-            if (UpdatePaletteFade())
-                return 0;
-            ChangeBgY(2, 0, 0);
-            SetGpuReg(REG_OFFSET_WIN0H, 0);
-            SetGpuReg(REG_OFFSET_WIN0V, 0);
-            SetGpuReg(REG_OFFSET_WININ, 0);
-            SetGpuReg(REG_OFFSET_WINOUT, 0);
-            ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
-            break;
-        case 2:
-            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
-            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 24);
-            FillBgTilemapBufferRect_Palette0(3, 0x000, 0, 0, 30, 24);
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(1);
-            CopyBgTilemapBufferToVram(2);
-            CopyBgTilemapBufferToVram(3);
-            break;
-        case 3:
-            HideBg(1);
-            HideBg(2);
-            RemoveWindow(gUnknown_203F3CC->unk_01C8[1]);
-            RemoveWindow(gUnknown_203F3CC->unk_01C8[0]);
-            break;
-        case 4:
-            ChangeBgY(2, 0, 0);
-            ChangeBgY(3, 0, 0);
-            if (gUnknown_203F3CC->unk_01C1 != 0xFF)
-            {
-                RemoveScrollIndicatorArrowPair(gUnknown_203F3CC->unk_01C1);
-                gUnknown_203F3CC->unk_01C1 = 0xFF;
-            }
-            break;
-        case 5:
-            PrintMysteryGiftOrEReaderTopMenu(gGiftIsFromEReader, flag);
-            break;
-        case 6:
-            MG_DrawCheckerboardPattern();
-            CopyBgTilemapBufferToVram(0);
-            CopyBgTilemapBufferToVram(3);
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
-            break;
-        default:
-            if (UpdatePaletteFade())
-                return 0;
-            gUnknown_203F3CC->unk_01C0_1 = 0;
-            return 1;
-    }
-    ++gUnknown_203F3CC->unk_01C0_1;
-    return 0;
-}
-
-void MENews_RemoveScrollIndicatorArrowPair(void)
-{
-    if (!gUnknown_203F3CC->unk_01C0_0 && gUnknown_203F3CC->unk_01C1 != 0xFF)
-    {
-        RemoveScrollIndicatorArrowPair(gUnknown_203F3CC->unk_01C1);
-        gUnknown_203F3CC->unk_01C1 = 0xFF;
-        gUnknown_203F3CC->unk_01C0_0 = TRUE;
-    }
-}
-
-
-void MENews_AddScrollIndicatorArrowPair(void)
-{
-    if (gUnknown_203F3CC->unk_01C0_0)
-    {
-        gUnknown_203F3CC->unk_01C1 = AddScrollIndicatorArrowPair(&gUnknown_203F3CC->unk_0394, &gUnknown_203F3CC->unk_01C6);
-        gUnknown_203F3CC->unk_01C0_0 = FALSE;
-    }
-}
-
-u32 MENews_GetInput(u16 input)
-{
-    if (gUnknown_203F3CC->unk_01C2_0)
-    {
-        sub_8146B58();
-        return 0xFF;
-    }
-    switch (input)
-    {
-        case A_BUTTON:
-            return 0;
-        case B_BUTTON:
-            return 1;
-        case DPAD_UP:
-            if (gUnknown_203F3CC->unk_01C6 == 0)
-                return 0xFF;
-            if (gUnknown_203F3CC->unk_01C0_0)
-                return 0xFF;
-            gUnknown_203F3CC->unk_01C3_0 = FALSE;
-            break;
-        case DPAD_DOWN:
-            if (gUnknown_203F3CC->unk_01C6 == gUnknown_203F3CC->unk_01C4)
-                return 0xFF;
-            if (gUnknown_203F3CC->unk_01C0_0)
-                return 0xFF;
-            gUnknown_203F3CC->unk_01C3_0 = TRUE;
-            break;
-        default:
-            return 0xFF;
-    }
-    gUnknown_203F3CC->unk_01C2_0 = TRUE;
-    gUnknown_203F3CC->unk_01C2_1 = 2;
-    gUnknown_203F3CC->unk_01C3_1 = 0;
-    if (gUnknown_203F3CC->unk_01C3_0 == FALSE)
-        return 2;
-    else
-        return 3;
-}
-
-void sub_8146980(void)
-{
-    u8 i = 0;
-    memcpy(gUnknown_203F3CC->unk_01CE, gUnknown_203F3CC->unk_0000.unk_04, 40);
-    gUnknown_203F3CC->unk_01CE[40] = EOS;
-    for (; i < 10; ++i)
-    {
-        memcpy(gUnknown_203F3CC->unk_01F7[i], gUnknown_203F3CC->unk_0000.unk_2C[i], 40);
-        gUnknown_203F3CC->unk_01F7[i][40] = EOS;
-        if (i > 7 && gUnknown_203F3CC->unk_01F7[i][0] != EOS)
-            ++gUnknown_203F3CC->unk_01C4;
-    }
-    gUnknown_203F3CC->unk_0394 = gUnknown_8468050;
-    gUnknown_203F3CC->unk_0394.fullyDownThreshold = gUnknown_203F3CC->unk_01C4;
-}
-
-void sub_8146A30(void)
-{
-    u8 i = 0;
-    s32 x;
-    PutWindowTilemap(gUnknown_203F3CC->unk_01C8[0]);
-    PutWindowTilemap(gUnknown_203F3CC->unk_01C8[1]);
-    FillWindowPixelBuffer(gUnknown_203F3CC->unk_01C8[0], 0);
-    FillWindowPixelBuffer(gUnknown_203F3CC->unk_01C8[1], 0);
-    x = (0xe0 - GetStringWidth(3, gUnknown_203F3CC->unk_01CE, GetFontAttribute(3, 2))) / 2;
-    if (x < 0)
-        x = 0;
-    AddTextPrinterParameterized3(gUnknown_203F3CC->unk_01C8[0], 3, x, 6, gUnknown_8468038[gUnknown_203F3CC->unk_01BC->textPal1], 0, gUnknown_203F3CC->unk_01CE);
-    for (; i < 10; ++i)
-    {
-        AddTextPrinterParameterized3(gUnknown_203F3CC->unk_01C8[1], 3, 0, 16 * i + 2, gUnknown_8468038[gUnknown_203F3CC->unk_01BC->textPal2], 0, gUnknown_203F3CC->unk_01F7[i]);
-    }
-    CopyWindowToVram(gUnknown_203F3CC->unk_01C8[0], 3);
-    CopyWindowToVram(gUnknown_203F3CC->unk_01C8[1], 3);
-}
-
-void sub_8146B58(void)
-{
-    u16 r4 = gUnknown_203F3CC->unk_01C2_1;
-    r4 <<= 8;
-    if (gUnknown_203F3CC->unk_01C3_0)
-    {
-        ChangeBgY(2, r4, 1);
-        ChangeBgY(3, r4, 1);
-    }
-    else
-    {
-        ChangeBgY(2, r4, 2);
-        ChangeBgY(3, r4, 2);
-    }
-    gUnknown_203F3CC->unk_01C3_1 += gUnknown_203F3CC->unk_01C2_1;
-    if (gUnknown_203F3CC->unk_01C3_1 > 15)
-    {
-        if (gUnknown_203F3CC->unk_01C3_0)
-            ++gUnknown_203F3CC->unk_01C6;
-        else
-            --gUnknown_203F3CC->unk_01C6;
-        gUnknown_203F3CC->unk_01C2_0 = FALSE;
-        gUnknown_203F3CC->unk_01C3_1 = 0;
-    }
-}
diff --git a/src/mevent_client.c b/src/mevent_client.c
index 4da0b4bc1..d7eff1ec6 100644
--- a/src/mevent_client.c
+++ b/src/mevent_client.c
@@ -195,15 +195,16 @@ static u32 client_mainseq_4(struct mevent_client * svr)
         mevent_client_send_word(svr, 0x13, svr->param);
         break;
     case 10:
-        sub_8143F68(svr->recvBuffer);
+        OverwriteSavedWonderCardWithReceivedCard(svr->recvBuffer);
         break;
     case 9:
-        if (!sub_8143EF4(svr->recvBuffer))
+        if (!MEvent_HaveAlreadyReceivedWonderNews(svr->recvBuffer))
         {
-            sub_8143DC8(svr->recvBuffer);
+            OverwriteSavedWonderNewsWithReceivedNews(svr->recvBuffer);
             mevent_client_send_word(svr, 0x13, 0);
         }
         else
+            // Other trainer already has news
             mevent_client_send_word(svr, 0x13, 1);
         break;
     case 15:
@@ -211,7 +212,7 @@ static u32 client_mainseq_4(struct mevent_client * svr)
         svr->flag = 0;
         break;
     case 16:
-        sub_8144254(svr->recvBuffer);
+        MEvent_ReceiveDistributionMon(svr->recvBuffer);
         break;
     case 17:
         MEventSetRamScript(svr->recvBuffer, 1000);
diff --git a/src/mevent_server.c b/src/mevent_server.c
index bebd69fe3..3b1762540 100644
--- a/src/mevent_server.c
+++ b/src/mevent_server.c
@@ -176,7 +176,7 @@ static u32 common_mainseq_4(struct mevent_srv_common * svr)
         case 9:
             AGB_ASSERT_EX(cmd->flag == FALSE, ABSPATH("mevent_server.c"), 408);
             ptr = mevent_first_if_not_null_else_second(cmd->parameter, &svr->sendWord);
-            svr->param = sub_8144434(ptr, svr->mevent_unk1442cc, ptr);
+            svr->param = MEvent_CanPlayerReceiveDistributionMon(ptr, svr->mevent_unk1442cc, ptr);
             break;
         case 10:
             AGB_ASSERT_EX(cmd->parameter == NULL, ABSPATH("mevent_server.c"), 415);
@@ -247,7 +247,7 @@ static u32 common_mainseq_4(struct mevent_srv_common * svr)
         case 26:
             AGB_ASSERT_EX(cmd->flag == FALSE && cmd->parameter == NULL, ABSPATH("mevent_server.c"), 506);
             memcpy(svr->card, GetSavedWonderCard(), 332);
-            sub_814410C(svr->card);
+            MEvent_WonderCardResetUnk08_6(svr->card);
             break;
         case 27:
             AGB_ASSERT_EX(cmd->flag == FALSE && cmd->parameter == NULL, ABSPATH("mevent_server.c"), 512);
diff --git a/src/mevent_show_card.c b/src/mevent_show_card.c
new file mode 100644
index 000000000..d91b2c9c6
--- /dev/null
+++ b/src/mevent_show_card.c
@@ -0,0 +1,454 @@
+#include "global.h"
+#include "constants/species.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "palette.h"
+#include "decompress.h"
+#include "malloc.h"
+#include "menu.h"
+#include "new_menu_helpers.h"
+#include "pokemon_icon.h"
+#include "mystery_gift_menu.h"
+#include "menu_indicators.h"
+#include "string_util.h"
+#include "link_rfu.h"
+#include "mevent.h"
+#include "battle_anim.h"
+
+struct MEventScreenMgr_02DC
+{
+    u8 nDigits;
+    u8 nameTxt[41];
+    u8 numberTxt[4];
+};
+
+struct MEventScreenMgr
+{
+    /*0000*/ struct MEWonderCardData wonderCard;
+    /*014c*/ struct MEventBuffer_3430_Sub buff3430Sub;
+    /*0170*/ const struct UnkStruct_8467FB8 * bgSpec;
+    /*0174*/ u8 state;
+    /*0175*/ u8 recordIdx;
+    /*0176*/ u16 windowIds[3];
+    /*017C*/ u8 monIconId;
+    /*017D*/ u8 cardIconAndShadowSprites[7][2];
+    /*018B*/ u8 title[41];
+    /*01B4*/ u8 subtitle[41];
+    /*01DD*/ u8 unk_01DD[7];
+    /*01E4*/ u8 mainMessageLines[4][41];
+    /*0288*/ u8 instructionsLine1[41];
+    /*02B1*/ u8 instructionsLine2[41];
+    /*02DC*/ struct MEventScreenMgr_02DC recordStrings[8];
+    /*045C*/ u8 buffer_045C[0x1000];
+};
+
+static EWRAM_DATA struct MEventScreenMgr * sMEventScreenData = NULL;
+
+void sub_8145A98(void);
+void sub_8145D18(u8 whichWindow);
+void sub_8146060(void);
+void sub_81461D8(void);
+
+const u8 gUnknown_8467068[][3] = {
+    {0, 2, 3},
+    {0, 1, 2}
+};
+const u8 ALIGNED(4) sTextYCoords[3] = {7, 4, 7};
+const struct WindowTemplate sWindowTemplates[] = {
+    {
+        .bg = 1,
+        .tilemapLeft = 1,
+        .tilemapTop = 1,
+        .width = 25,
+        .height = 4,
+        .paletteNum = 15, 
+        .baseBlock = 0x29c},
+    {
+        .bg = 1,
+        .tilemapLeft = 1,
+        .tilemapTop = 6,
+        .width = 28,
+        .height = 8,
+        .paletteNum = 15, 
+        .baseBlock = 0x1bc},
+    {
+        .bg = 1,
+        .tilemapLeft = 1,
+        .tilemapTop = 14,
+        .width = 28,
+        .height = 5,
+        .paletteNum = 15, 
+        .baseBlock = 0x130}
+};
+
+const u16 gCard0Pal[] = INCBIN_U16("data/graphics/mevent/pal_46708C.gbapal");
+const u16 gCard1Pal[] = INCBIN_U16("data/graphics/mevent/pal_4670AC.gbapal");
+const u16 gCard2Pal[] = INCBIN_U16("data/graphics/mevent/pal_4670CC.gbapal");
+const u16 gCard3Pal[] = INCBIN_U16("data/graphics/mevent/pal_4670EC.gbapal");
+const u16 gCard4Pal[] = INCBIN_U16("data/graphics/mevent/pal_46710C.gbapal");
+const u16 gCard5Pal[] = INCBIN_U16("data/graphics/mevent/pal_46712C.gbapal");
+const u16 gCard6Pal[] = INCBIN_U16("data/graphics/mevent/pal_46714C.gbapal");
+const u16 gCard7Pal[] = INCBIN_U16("data/graphics/mevent/pal_46716C.gbapal");
+const u8 sCard0Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_46718C.4bpp.lz");
+const u8 sCard0Map[] = INCBIN_U8("data/graphics/mevent/tilemap_467288.bin.lz");
+const u8 sCard1Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_46737C.4bpp.lz");
+const u8 sCard1Map[] = INCBIN_U8("data/graphics/mevent/tilemap_467470.bin.lz");
+const u8 sCard2Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_467558.4bpp.lz");
+const u8 sCard2Map[] = INCBIN_U8("data/graphics/mevent/tilemap_46762C.bin.lz");
+const u8 sCard6Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_467700.4bpp.lz");
+const u8 sCard6Map[] = INCBIN_U8("data/graphics/mevent/tilemap_467934.bin.lz");
+const u8 sCard7Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_467A7C.4bpp.lz");
+const u8 sCard7Map[] = INCBIN_U8("data/graphics/mevent/tilemap_467CAC.bin.lz");
+const u16 gUnknown_8467DF4[] = INCBIN_U16("data/graphics/mevent/pal_467DF4.gbapal");
+const u16 gUnknown_8467E14[] = INCBIN_U16("data/graphics/mevent/pal_467E14.gbapal");
+const u16 gUnknown_8467E34[] = INCBIN_U16("data/graphics/mevent/pal_467E34.gbapal");
+const u16 gUnknown_8467E54[] = INCBIN_U16("data/graphics/mevent/pal_467E54.gbapal");
+const u16 gUnknown_8467E74[] = INCBIN_U16("data/graphics/mevent/pal_467E74.gbapal");
+const u16 gUnknown_8467E94[] = INCBIN_U16("data/graphics/mevent/pal_467E94.gbapal");
+const u16 gUnknown_8467EB4[] = INCBIN_U16("data/graphics/mevent/pal_467EB4.gbapal");
+const u16 gUnknown_8467ED4[] = INCBIN_U16("data/graphics/mevent/pal_467ED4.gbapal");
+const u32 gUnknown_8467EF4[] = INCBIN_U32("data/graphics/mevent/gfx_467EF4.4bpp.lz");
+
+const struct CompressedSpriteSheet sShadowSpriteSheet = {
+    gUnknown_8467EF4, 0x100, 0x8000
+};
+const struct SpritePalette sShadowSpritePalettes[] = {
+    {gUnknown_8467DF4, 0x8000},
+    {gUnknown_8467E14, 0x8000},
+    {gUnknown_8467E34, 0x8000},
+    {gUnknown_8467E54, 0x8000},
+    {gUnknown_8467E74, 0x8000},
+    {gUnknown_8467E94, 0x8000},
+    {gUnknown_8467EB4, 0x8000},
+    {gUnknown_8467ED4, 0x8000}
+};
+const struct SpriteTemplate sShadowSpriteTemplate = {
+    0x8000, 0x8000, &gOamData_AffineOff_ObjNormal_32x16, gDummySpriteAnimTable, NULL, gDummySpriteAffineAnimTable, SpriteCallbackDummy
+};
+const struct UnkStruct_8467FB8 sCardGfxPtrs[8] = {
+    {1, 0, 0, 0, sCard0Gfx, sCard0Map, gCard0Pal},
+    {1, 0, 0, 1, sCard1Gfx, sCard1Map, gCard1Pal},
+    {1, 0, 0, 2, sCard2Gfx, sCard2Map, gCard2Pal},
+    {1, 0, 0, 3, sCard2Gfx, sCard2Map, gCard3Pal},
+    {1, 0, 0, 4, sCard2Gfx, sCard2Map, gCard4Pal},
+    {1, 0, 0, 5, sCard2Gfx, sCard2Map, gCard5Pal},
+    {1, 0, 0, 6, sCard6Gfx, sCard6Map, gCard6Pal},
+    {1, 0, 0, 7, sCard7Gfx, sCard7Map, gCard7Pal}
+};
+
+bool32 InitWonderCardResources(struct MEWonderCardData * card, struct MEventBuffer_3430_Sub * b3430sub)
+{
+    if (card == NULL || b3430sub == NULL)
+        return FALSE;
+    sMEventScreenData = AllocZeroed(sizeof(struct MEventScreenMgr));
+    if (sMEventScreenData == NULL)
+        return FALSE;
+    sMEventScreenData->wonderCard = *card;
+    sMEventScreenData->buff3430Sub = *b3430sub;
+    if (sMEventScreenData->wonderCard.unk_08_2 >= NELEMS(sCardGfxPtrs))
+        sMEventScreenData->wonderCard.unk_08_2 = 0;
+    if (sMEventScreenData->wonderCard.unk_08_0 >= NELEMS(sTextYCoords))
+        sMEventScreenData->wonderCard.unk_08_0 = 0;
+    if (sMEventScreenData->wonderCard.recvMonCapacity > NELEMS(sMEventScreenData->cardIconAndShadowSprites))
+        sMEventScreenData->wonderCard.recvMonCapacity = 0;
+    sMEventScreenData->bgSpec = &sCardGfxPtrs[sMEventScreenData->wonderCard.unk_08_2];
+    return TRUE;
+}
+
+void DestroyWonderCardResources(void)
+{
+    if (sMEventScreenData != NULL)
+    {
+        *sMEventScreenData = (struct MEventScreenMgr){};
+        Free(sMEventScreenData);
+        sMEventScreenData = NULL;
+    }
+}
+
+s32 FadeToWonderCardMenu(void)
+{
+    if (sMEventScreenData == NULL)
+        return -1;
+    switch(sMEventScreenData->state)
+    {
+        case 0:
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+            break;
+        case 1:
+            if (UpdatePaletteFade())
+                return 0;
+            break;
+        case 2:
+            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(1);
+            CopyBgTilemapBufferToVram(2);
+            DecompressAndCopyTileDataToVram(2, sMEventScreenData->bgSpec->tiles, 0, 0x008, 0);
+            sMEventScreenData->windowIds[0] = AddWindow(&sWindowTemplates[0]);
+            sMEventScreenData->windowIds[1] = AddWindow(&sWindowTemplates[1]);
+            sMEventScreenData->windowIds[2] = AddWindow(&sWindowTemplates[2]);
+            break;
+        case 3:
+            if (FreeTempTileDataBuffersIfPossible())
+                return 0;
+            gPaletteFade.bufferTransferDisabled = TRUE;
+            LoadPalette(sMEventScreenData->bgSpec->pal, 0x10, 0x20);
+            LZ77UnCompWram(sMEventScreenData->bgSpec->map, sMEventScreenData->buffer_045C);
+            CopyRectToBgTilemapBufferRect(2, sMEventScreenData->buffer_045C, 0, 0, 30, 20, 0, 0, 30, 20, 1, 0x008, 0);
+            CopyBgTilemapBufferToVram(2);
+            break;
+        case 4:
+            sub_8145A98();
+            break;
+        case 5:
+            sub_8145D18(0);
+            sub_8145D18(1);
+            sub_8145D18(2);
+            CopyBgTilemapBufferToVram(1);
+            break;
+        case 6:
+            LoadMonIconPalettes();
+            break;
+        case 7:
+            ShowBg(1);
+            ShowBg(2);
+            gPaletteFade.bufferTransferDisabled = FALSE;
+            sub_8146060();
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+            UpdatePaletteFade();
+            break;
+        default:
+            if (UpdatePaletteFade())
+                return 0;
+            sMEventScreenData->state = 0;
+            return 1;
+    }
+    ++sMEventScreenData->state;
+    return 0;
+}
+
+s32 FadeOutFromWonderCard(bool32 flag)
+{
+    if (sMEventScreenData == NULL)
+        return -1;
+    switch (sMEventScreenData->state)
+    {
+        case 0:
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+            break;
+        case 1:
+            if (UpdatePaletteFade())
+                return 0;
+            break;
+        case 2:
+            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(1);
+            CopyBgTilemapBufferToVram(2);
+            break;
+        case 3:
+            HideBg(1);
+            HideBg(2);
+            RemoveWindow(sMEventScreenData->windowIds[2]);
+            RemoveWindow(sMEventScreenData->windowIds[1]);
+            RemoveWindow(sMEventScreenData->windowIds[0]);
+            break;
+        case 4:
+            sub_81461D8();
+            FreeMonIconPalettes();
+            break;
+        case 5:
+            PrintMysteryGiftOrEReaderTopMenu(gGiftIsFromEReader, flag);
+            break;
+        case 6:
+            CopyBgTilemapBufferToVram(0);
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+            break;
+        default:
+            if (UpdatePaletteFade())
+                return 0;
+            sMEventScreenData->state = 0;
+            return 1;
+    }
+    ++sMEventScreenData->state;
+    return 0;
+}
+
+void sub_8145A98(void)
+{
+    u16 i = 0;
+    u16 r6;
+    u16 sp0[3] = {0, 0, 0};
+
+    memcpy(sMEventScreenData->title, sMEventScreenData->wonderCard.unk_0A, 40);
+    sMEventScreenData->title[40] = EOS;
+    memcpy(sMEventScreenData->subtitle, sMEventScreenData->wonderCard.unk_32, 40);
+    sMEventScreenData->subtitle[40] = EOS;
+    if (sMEventScreenData->wonderCard.unk_04 > 999999)
+        sMEventScreenData->wonderCard.unk_04 = 999999;
+    ConvertIntToDecimalStringN(sMEventScreenData->unk_01DD, sMEventScreenData->wonderCard.unk_04, STR_CONV_MODE_LEFT_ALIGN, 6);
+    for (i = 0; i < 4; i++)
+    {
+        memcpy(sMEventScreenData->mainMessageLines[i], sMEventScreenData->wonderCard.unk_5A[i], 40);
+        sMEventScreenData->mainMessageLines[i][40] = EOS;
+    }
+    memcpy(sMEventScreenData->instructionsLine1, sMEventScreenData->wonderCard.unk_FA, 40);
+    sMEventScreenData->instructionsLine1[40] = EOS;
+    switch (sMEventScreenData->wonderCard.unk_08_0)
+    {
+        case 0:
+            memcpy(sMEventScreenData->instructionsLine2, sMEventScreenData->wonderCard.unk_122, 40);
+            sMEventScreenData->instructionsLine2[40] = EOS;
+            break;
+        case 1:
+            sMEventScreenData->instructionsLine2[00] = EOS;
+            break;
+        case 2:
+            sMEventScreenData->instructionsLine2[00] = EOS;
+            sp0[0] = sMEventScreenData->buff3430Sub.linkWins < 999 ? sMEventScreenData->buff3430Sub.linkWins : 999;
+            sp0[1] = sMEventScreenData->buff3430Sub.linkLosses < 999 ? sMEventScreenData->buff3430Sub.linkLosses : 999;
+            sp0[2] = sMEventScreenData->buff3430Sub.linkTrades < 999 ? sMEventScreenData->buff3430Sub.linkTrades : 999;
+            for (i = 0; i < 8; i++)
+            {
+                memset(sMEventScreenData->recordStrings[i].numberTxt, EOS, 4);
+                memset(sMEventScreenData->recordStrings[i].nameTxt, EOS, 41);
+            }
+            for (i = 0, r6 = 0; i < 40; i++)
+            {
+                if (sMEventScreenData->wonderCard.unk_122[i] != CHAR_SPECIAL_F7)
+                {
+                    sMEventScreenData->recordStrings[sMEventScreenData->recordIdx].nameTxt[r6] = sMEventScreenData->wonderCard.unk_122[i];
+                    r6++;
+                }
+                else
+                {
+                    u8 r3 = sMEventScreenData->wonderCard.unk_122[i + 1];
+                    if (r3 > 2)
+                    {
+                        i += 2;
+                    }
+                    else
+                    {
+                        ConvertIntToDecimalStringN(sMEventScreenData->recordStrings[sMEventScreenData->recordIdx].numberTxt, sp0[r3], STR_CONV_MODE_LEADING_ZEROS, 3);
+                        sMEventScreenData->recordStrings[sMEventScreenData->recordIdx].nDigits = sMEventScreenData->wonderCard.unk_122[i + 2];
+                        sMEventScreenData->recordIdx++;
+                        if (sMEventScreenData->recordIdx > 7)
+                            break;
+                        r6 = 0;
+                        i += 2;
+                    }
+                }
+            }
+    }
+}
+
+void sub_8145D18(u8 whichWindow)
+{
+    s8 sp0C = 0;
+    s32 windowId = sMEventScreenData->windowIds[whichWindow];
+    PutWindowTilemap(windowId);
+    FillWindowPixelBuffer(windowId, 0);
+    switch (whichWindow)
+    {
+        case 0:
+        {
+            s32 x;
+            AddTextPrinterParameterized3(windowId, 3, 0, 1, gUnknown_8467068[sMEventScreenData->bgSpec->textPal1], 0, sMEventScreenData->title);
+            x = 160 - GetStringWidth(3, sMEventScreenData->subtitle, GetFontAttribute(3, 2));
+            if (x < 0)
+                x = 0;
+            AddTextPrinterParameterized3(windowId, 3, x, 17, gUnknown_8467068[sMEventScreenData->bgSpec->textPal1], 0, sMEventScreenData->subtitle);
+            if (sMEventScreenData->wonderCard.unk_04 != 0)
+            {
+                AddTextPrinterParameterized3(windowId, 2, 166, 17, gUnknown_8467068[sMEventScreenData->bgSpec->textPal1], 0, sMEventScreenData->unk_01DD);
+            }
+            break;
+        }
+        case 1:
+            for (; sp0C < 4; sp0C++)
+            {
+                AddTextPrinterParameterized3(windowId, 3, 0, 16 * sp0C + 2, gUnknown_8467068[sMEventScreenData->bgSpec->textPal2], 0, sMEventScreenData->mainMessageLines[sp0C]);
+            }
+            break;
+        case 2:
+            AddTextPrinterParameterized3(windowId, 3, 0, sTextYCoords[sMEventScreenData->wonderCard.unk_08_0], gUnknown_8467068[sMEventScreenData->bgSpec->textPal3], 0, sMEventScreenData->instructionsLine1);
+            if (sMEventScreenData->wonderCard.unk_08_0 != 2)
+            {
+                AddTextPrinterParameterized3(windowId, 3, 0, 16 + sTextYCoords[sMEventScreenData->wonderCard.unk_08_0], gUnknown_8467068[sMEventScreenData->bgSpec->textPal3], 0, sMEventScreenData->instructionsLine2);
+            }
+            else
+            {
+                s32 x = 0;
+                s32 y = sTextYCoords[sMEventScreenData->wonderCard.unk_08_0] + 16;
+                s32 spacing = GetFontAttribute(3, 2);
+                for (; sp0C < sMEventScreenData->recordIdx; sp0C++)
+                {
+                    AddTextPrinterParameterized3(windowId, 3, x, y, gUnknown_8467068[sMEventScreenData->bgSpec->textPal3], 0, sMEventScreenData->recordStrings[sp0C].nameTxt);
+                    if (sMEventScreenData->recordStrings[sp0C].numberTxt[0] != EOS)
+                    {
+                        x += GetStringWidth(3, sMEventScreenData->recordStrings[sp0C].nameTxt, spacing);
+                        AddTextPrinterParameterized3(windowId, 2, x, y, gUnknown_8467068[sMEventScreenData->bgSpec->textPal3], 0, sMEventScreenData->recordStrings[sp0C].numberTxt);
+                        x += GetStringWidth(3, sMEventScreenData->recordStrings[sp0C].numberTxt, spacing) + sMEventScreenData->recordStrings[sp0C].nDigits;
+                    }
+                }
+            }
+            break;
+    }
+    CopyWindowToVram(windowId, 3);
+}
+
+void sub_8146060(void)
+{
+    u8 r7 = 0;
+    sMEventScreenData->monIconId = 0xFF;
+    if (sMEventScreenData->buff3430Sub.unk_06 != SPECIES_NONE)
+    {
+        sMEventScreenData->monIconId = CreateMonIcon_HandleDeoxys(MailSpeciesToIconSpecies(sMEventScreenData->buff3430Sub.unk_06), SpriteCallbackDummy, 0xDC, 0x14, 0, FALSE);
+        gSprites[sMEventScreenData->monIconId].oam.priority = 2;
+    }
+    if (sMEventScreenData->wonderCard.recvMonCapacity != 0 && sMEventScreenData->wonderCard.unk_08_0 == 1)
+    {
+        LoadCompressedSpriteSheetUsingHeap(&sShadowSpriteSheet);
+        LoadSpritePalette(&sShadowSpritePalettes[sMEventScreenData->bgSpec->index]);
+        for (; r7 < sMEventScreenData->wonderCard.recvMonCapacity; r7++)
+        {
+            sMEventScreenData->cardIconAndShadowSprites[r7][0] = 0xFF;
+            sMEventScreenData->cardIconAndShadowSprites[r7][1] = 0xFF;
+            sMEventScreenData->cardIconAndShadowSprites[r7][0] = CreateSprite(&sShadowSpriteTemplate, 0xd8 - 32 * r7, 0x90, 8);
+            if (sMEventScreenData->buff3430Sub.distributedMons[0][r7] != 0)
+            {
+                sMEventScreenData->cardIconAndShadowSprites[r7][1] = CreateMonIcon_HandleDeoxys(MailSpeciesToIconSpecies(sMEventScreenData->buff3430Sub.distributedMons[0][r7]), SpriteCallbackDummy, 0xd8 - 32 * r7, 0x88, 0, 0);
+                gSprites[sMEventScreenData->cardIconAndShadowSprites[r7][1]].oam.priority = 2;
+            }
+        }
+    }
+}
+
+void sub_81461D8(void)
+{
+    u8 r6 = 0;
+    if (sMEventScreenData->monIconId != 0xFF)
+        DestroyMonIcon(&gSprites[sMEventScreenData->monIconId]);
+    if (sMEventScreenData->wonderCard.recvMonCapacity != 0 && sMEventScreenData->wonderCard.unk_08_0 == 1)
+    {
+        for (; r6 < sMEventScreenData->wonderCard.recvMonCapacity; r6++)
+        {
+            if (sMEventScreenData->cardIconAndShadowSprites[r6][0] != 0xFF)
+            {
+                DestroySprite(&gSprites[sMEventScreenData->cardIconAndShadowSprites[r6][0]]);
+                // This might be a typo.  Uncomment the next line, and comment the one that follows, to get the presumed intended behavior.
+                // if (sMEventScreenData->cardIconAndShadowSprites[r6][1] != 0xFF)
+                if (sMEventScreenData->cardIconAndShadowSprites[r6][0] != 0xFF)
+                {
+                    DestroyMonIcon(&gSprites[sMEventScreenData->cardIconAndShadowSprites[r6][1]]);
+                }
+            }
+        }
+        FreeSpriteTilesByTag(0x8000);
+        FreeSpritePaletteByTag(0x8000);
+    }
+}
diff --git a/src/mevent_show_news.c b/src/mevent_show_news.c
new file mode 100644
index 000000000..f5198ba4d
--- /dev/null
+++ b/src/mevent_show_news.c
@@ -0,0 +1,357 @@
+#include "global.h"
+#include "gflib.h"
+#include "menu_indicators.h"
+#include "new_menu_helpers.h"
+#include "mevent.h"
+#include "mystery_gift_menu.h"
+#include "menu.h"
+#include "link_rfu.h"
+
+struct UnkStruct_203F3CC
+{
+    /*0000*/ struct MEWonderNewsData wonderNews;
+    /*01bc*/ const struct UnkStruct_8467FB8 * bgSpec;
+    /*01c0*/ u8 verticalScrollDisabled:1;
+    u8 state:7;
+    /*01c1*/ u8 menuIndicatorsId;
+    /*01c2*/ u8 unk_01C2_0:1;
+    u8 unk_01C2_1:7;
+    /*01c3*/ u8 scrollDirection:1;
+    u8 unk_01C3_1:7;
+    /*01c4*/ u16 numMails;
+    /*01c6*/ u16 scrollOffset;
+    /*01c8*/ u16 windowIds[2];
+    /*01cc*/ u8 filler_01CC[2];
+    /*01ce*/ u8 title[41];
+    /*01f7*/ u8 messages[10][41];
+    /*0394*/ struct ScrollArrowsTemplate scrollArrowsTemplate;
+    /*03a4*/ u8 buffer_03A4[0x1000];
+};
+
+EWRAM_DATA struct UnkStruct_203F3CC * sWork = NULL;
+
+void sub_8146980(void);
+void sub_8146A30(void);
+void sub_8146B58(void);
+
+const u8 sTextPals[][3] = {
+    {0, 2, 3},
+    {0, 1, 2}
+};
+const struct WindowTemplate gUnknown_8468040[] = {
+    {0, 1, 0, 28,  3, 15, 0x000},
+    {2, 1, 3, 28, 20, 15, 0x000}
+};
+const struct ScrollArrowsTemplate sScrollArrowsTemplate = {
+    0x02, 0xe8, 0x18, 0x03, 0xe8, 0x98,
+    0x0000, 0x0002, 0x1000, 0x1000, 0x0,
+};
+
+const u16 sNews1Pal[] = INCBIN_U16("data/graphics/mevent/pal_468060.gbapal");
+const u16 sNews6Pal[] = INCBIN_U16("data/graphics/mevent/pal_468080.gbapal");
+const u16 sNews7Pal[] = INCBIN_U16("data/graphics/mevent/pal_4680A0.gbapal");
+const u8 sNews0Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_4680C0.4bpp.lz");
+const u8 sNews0Map[] = INCBIN_U8("data/graphics/mevent/tilemap_468140.bin.lz");
+const u8 sNews1Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_46821C.4bpp.lz");
+const u8 sNews1Map[] = INCBIN_U8("data/graphics/mevent/tilemap_46824C.bin.lz");
+const u8 sNews2Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_46830C.4bpp.lz");
+const u8 sNews2Map[] = INCBIN_U8("data/graphics/mevent/tilemap_46837C.bin.lz");
+const u8 sNews6Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_468448.4bpp.lz");
+const u8 sNews6Map[] = INCBIN_U8("data/graphics/mevent/tilemap_4684D8.bin.lz");
+const u8 sNews7Gfx[] = INCBIN_U8("data/graphics/mevent/gfx_4685B4.4bpp.lz");
+const u8 sNews7Map[] = INCBIN_U8("data/graphics/mevent/tilemap_468644.bin.lz");
+
+const struct UnkStruct_8467FB8 sBgSpecs[] = {
+    {1, 0, 0, 0, sNews0Gfx, sNews0Map, sNews1Pal},
+    {1, 0, 0, 0, sNews1Gfx, sNews1Map, gCard1Pal},
+    {1, 0, 0, 0, sNews2Gfx, sNews2Map, gCard2Pal},
+    {1, 0, 0, 0, sNews2Gfx, sNews2Map, gCard3Pal},
+    {1, 0, 0, 0, sNews2Gfx, sNews2Map, gCard4Pal},
+    {1, 0, 0, 0, sNews2Gfx, sNews2Map, gCard5Pal},
+    {1, 0, 0, 0, sNews6Gfx, sNews6Map, sNews6Pal},
+    {1, 0, 0, 0, sNews7Gfx, sNews7Map, sNews7Pal}
+};
+
+bool32 InitWonderNewsResources(const struct MEWonderNewsData * news)
+{
+    if (news == NULL)
+        return FALSE;
+    sWork = AllocZeroed(sizeof(struct UnkStruct_203F3CC));
+    if (sWork == NULL)
+        return FALSE;
+    sWork->wonderNews = *news;
+    if (sWork->wonderNews.unk_03 >= NELEMS(sBgSpecs))
+        sWork->wonderNews.unk_03 = 0;
+    sWork->bgSpec = &sBgSpecs[sWork->wonderNews.unk_03];
+    sWork->menuIndicatorsId = 0xFF;
+    return TRUE;
+}
+
+void DestroyWonderNewsResources(void)
+{
+    if (sWork != NULL)
+    {
+        *sWork = (struct UnkStruct_203F3CC){};
+        Free(sWork);
+        sWork = NULL;
+    }
+}
+
+s32 FadeToWonderNewsMenu(void)
+{
+    if (sWork == NULL)
+        return -1;
+
+    switch (sWork->state)
+    {
+    case 0:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+        break;
+    case 1:
+        if (UpdatePaletteFade())
+            return 0;
+        ChangeBgY(0, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ChangeBgY(2, 0, 0);
+        ChangeBgY(3, 0, 0);
+        SetGpuReg(REG_OFFSET_WIN0H, 0xF0);
+        SetGpuReg(REG_OFFSET_WIN0V, 0x1A98);
+        SetGpuReg(REG_OFFSET_WININ, 0x1F);
+        SetGpuReg(REG_OFFSET_WINOUT, 0x1B);
+        SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
+        break;
+    case 2:
+        FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
+        FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+        FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 20);
+        FillBgTilemapBufferRect_Palette0(3, 0x000, 0, 0, 30, 20);
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(3);
+        DecompressAndCopyTileDataToVram(3, sWork->bgSpec->tiles, 0, 8, 0);
+        sWork->windowIds[0] = AddWindow(&gUnknown_8468040[0]);
+        sWork->windowIds[1] = AddWindow(&gUnknown_8468040[1]);
+        break;
+    case 3:
+        if (FreeTempTileDataBuffersIfPossible())
+            return 0;
+        gPaletteFade.bufferTransferDisabled = TRUE;
+        LoadPalette(sWork->bgSpec->pal, 0x10, 0x20);
+        LZ77UnCompWram(sWork->bgSpec->map, sWork->buffer_03A4);
+        CopyRectToBgTilemapBufferRect(1, sWork->buffer_03A4, 0, 0, 30, 3, 0, 0, 30, 3, 1, 8, 0);
+        CopyRectToBgTilemapBufferRect(3, sWork->buffer_03A4, 0, 3, 30, 23, 0, 3, 30, 23, 1, 8, 0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(3);
+        break;
+    case 4:
+        sub_8146980();
+        break;
+    case 5:
+        sub_8146A30();
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(2);
+        break;
+    case 6:
+        ShowBg(1);
+        ShowBg(2);
+        ShowBg(3);
+        gPaletteFade.bufferTransferDisabled = FALSE;
+        sWork->menuIndicatorsId = AddScrollIndicatorArrowPair(&sWork->scrollArrowsTemplate, &sWork->scrollOffset);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+        UpdatePaletteFade();
+        break;
+    default:
+        if (UpdatePaletteFade())
+            return 0;
+        sWork->state = 0;
+        return 1;
+    }
+
+    ++sWork->state;
+    return 0;
+}
+
+s32 FadeOutFromWonderNews(bool32 flag)
+{
+    if (sWork == NULL)
+        return -1;
+    switch (sWork->state)
+    {
+    case 0:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+        break;
+    case 1:
+        if (UpdatePaletteFade())
+            return 0;
+        ChangeBgY(2, 0, 0);
+        SetGpuReg(REG_OFFSET_WIN0H, 0);
+        SetGpuReg(REG_OFFSET_WIN0V, 0);
+        SetGpuReg(REG_OFFSET_WININ, 0);
+        SetGpuReg(REG_OFFSET_WINOUT, 0);
+        ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
+        break;
+    case 2:
+        FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
+        FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+        FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 24);
+        FillBgTilemapBufferRect_Palette0(3, 0x000, 0, 0, 30, 24);
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(3);
+        break;
+    case 3:
+        HideBg(1);
+        HideBg(2);
+        RemoveWindow(sWork->windowIds[1]);
+        RemoveWindow(sWork->windowIds[0]);
+        break;
+    case 4:
+        ChangeBgY(2, 0, 0);
+        ChangeBgY(3, 0, 0);
+        if (sWork->menuIndicatorsId != 0xFF)
+        {
+            RemoveScrollIndicatorArrowPair(sWork->menuIndicatorsId);
+            sWork->menuIndicatorsId = 0xFF;
+        }
+        break;
+    case 5:
+        PrintMysteryGiftOrEReaderTopMenu(gGiftIsFromEReader, flag);
+        break;
+    case 6:
+        MG_DrawCheckerboardPattern();
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(3);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+        break;
+    default:
+        if (UpdatePaletteFade())
+            return 0;
+        sWork->state = 0;
+        return 1;
+    }
+    ++sWork->state;
+    return 0;
+}
+
+void MENews_RemoveScrollIndicatorArrowPair(void)
+{
+    if (!sWork->verticalScrollDisabled && sWork->menuIndicatorsId != 0xFF)
+    {
+        RemoveScrollIndicatorArrowPair(sWork->menuIndicatorsId);
+        sWork->menuIndicatorsId = 0xFF;
+        sWork->verticalScrollDisabled = TRUE;
+    }
+}
+
+
+void MENews_AddScrollIndicatorArrowPair(void)
+{
+    if (sWork->verticalScrollDisabled)
+    {
+        sWork->menuIndicatorsId = AddScrollIndicatorArrowPair(&sWork->scrollArrowsTemplate, &sWork->scrollOffset);
+        sWork->verticalScrollDisabled = FALSE;
+    }
+}
+
+u32 MENews_GetInput(u16 input)
+{
+    if (sWork->unk_01C2_0)
+    {
+        sub_8146B58();
+        return 0xFF;
+    }
+    switch (input)
+    {
+    case A_BUTTON:
+        return 0;
+    case B_BUTTON:
+        return 1;
+    case DPAD_UP:
+        if (sWork->scrollOffset == 0)
+            return 0xFF;
+        if (sWork->verticalScrollDisabled)
+            return 0xFF;
+        sWork->scrollDirection = FALSE;
+        break;
+    case DPAD_DOWN:
+        if (sWork->scrollOffset == sWork->numMails)
+            return 0xFF;
+        if (sWork->verticalScrollDisabled)
+            return 0xFF;
+        sWork->scrollDirection = TRUE;
+        break;
+    default:
+        return 0xFF;
+    }
+    sWork->unk_01C2_0 = TRUE;
+    sWork->unk_01C2_1 = 2;
+    sWork->unk_01C3_1 = 0;
+    if (sWork->scrollDirection == FALSE)
+        return 2;
+    else
+        return 3;
+}
+
+void sub_8146980(void)
+{
+    u8 i = 0;
+    memcpy(sWork->title, sWork->wonderNews.unk_04, 40);
+    sWork->title[40] = EOS;
+    for (; i < 10; ++i)
+    {
+        memcpy(sWork->messages[i], sWork->wonderNews.unk_2C[i], 40);
+        sWork->messages[i][40] = EOS;
+        if (i > 7 && sWork->messages[i][0] != EOS)
+            ++sWork->numMails;
+    }
+    sWork->scrollArrowsTemplate = sScrollArrowsTemplate;
+    sWork->scrollArrowsTemplate.fullyDownThreshold = sWork->numMails;
+}
+
+void sub_8146A30(void)
+{
+    u8 i = 0;
+    s32 x;
+    PutWindowTilemap(sWork->windowIds[0]);
+    PutWindowTilemap(sWork->windowIds[1]);
+    FillWindowPixelBuffer(sWork->windowIds[0], 0);
+    FillWindowPixelBuffer(sWork->windowIds[1], 0);
+    x = (0xe0 - GetStringWidth(3, sWork->title, GetFontAttribute(3, 2))) / 2;
+    if (x < 0)
+        x = 0;
+    AddTextPrinterParameterized3(sWork->windowIds[0], 3, x, 6, sTextPals[sWork->bgSpec->textPal1], 0, sWork->title);
+    for (; i < 10; ++i)
+    {
+        AddTextPrinterParameterized3(sWork->windowIds[1], 3, 0, 16 * i + 2, sTextPals[sWork->bgSpec->textPal2], 0, sWork->messages[i]);
+    }
+    CopyWindowToVram(sWork->windowIds[0], 3);
+    CopyWindowToVram(sWork->windowIds[1], 3);
+}
+
+void sub_8146B58(void)
+{
+    u16 r4 = sWork->unk_01C2_1;
+    r4 <<= 8;
+    if (sWork->scrollDirection)
+    {
+        ChangeBgY(2, r4, 1);
+        ChangeBgY(3, r4, 1);
+    }
+    else
+    {
+        ChangeBgY(2, r4, 2);
+        ChangeBgY(3, r4, 2);
+    }
+    sWork->unk_01C3_1 += sWork->unk_01C2_1;
+    if (sWork->unk_01C3_1 > 15)
+    {
+        if (sWork->scrollDirection)
+            ++sWork->scrollOffset;
+        else
+            --sWork->scrollOffset;
+        sWork->unk_01C2_0 = FALSE;
+        sWork->unk_01C3_1 = 0;
+    }
+}
diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
index 36a830bbf..cdfd62624 100644
--- a/src/mystery_gift_menu.c
+++ b/src/mystery_gift_menu.c
@@ -1279,7 +1279,7 @@ void task00_mystery_gift(u8 taskId)
         switch (mevent_client_do_exec(&data->curPromptWindowId))
         {
         case 6: // done
-            task_add_05_task_del_08FA224_when_no_RfuFunc();
+            Rfu_BeginBuildAndSendCommand5F();
             data->prevPromptWindowId = data->curPromptWindowId;
             data->state = 13;
             break;
@@ -1645,7 +1645,7 @@ void task00_mystery_gift(u8 taskId)
         }
         break;
     case 33:
-        task_add_05_task_del_08FA224_when_no_RfuFunc();
+        Rfu_BeginBuildAndSendCommand5F();
         StringCopy(gStringVar1, gLinkPlayers[1].name);
         data->state = 34;
         break;
diff --git a/src/new_game.c b/src/new_game.c
index 05fb9c83e..9aea0b3aa 100644
--- a/src/new_game.c
+++ b/src/new_game.c
@@ -145,7 +145,7 @@ void NewGameInitData(void)
     ResetTrainerFanClub();
     UnionRoomChat_InitializeRegisteredTexts();
     ResetMiniGamesResults();
-    sub_8143D24();
+    InitMEventData();
     SetAllRenewableItemFlags();
     WarpToPlayersRoom();
     ScriptContext2_RunNewScript(EventScript_ResetAllMapFlags);
diff --git a/src/script.c b/src/script.c
index 0a4b69bac..ee4ffb7cf 100644
--- a/src/script.c
+++ b/src/script.c
@@ -506,7 +506,7 @@ u8 *GetRamScript(u8 objectId, u8 *script)
     }
 }
 
-bool32 sub_8069DFC(void)
+bool32 ValidateRamScript(void)
 {
     struct RamScriptData *scriptData = &gSaveBlock1Ptr->ramScript.data;
     if (scriptData->magic != RAM_SCRIPT_MAGIC)
diff --git a/src/trade.c b/src/trade.c
index b851d2093..e0f1c136d 100644
--- a/src/trade.c
+++ b/src/trade.c
@@ -1213,7 +1213,7 @@ static void sub_804D548(void)
         }
         else
         {
-            sub_800AA80(32);
+            Link_StartSend5FFFwithParam(32);
             sTradeMenuResourcesPtr->unk_6F = 13;
         }
     }
@@ -2008,7 +2008,7 @@ static void sub_804E908(void)
         }
         else
         {
-            sub_800AA80(12);
+            Link_StartSend5FFFwithParam(12);
         }
 
         sTradeMenuResourcesPtr->unk_6F = 12;
diff --git a/src/trade_scene.c b/src/trade_scene.c
index b420cb196..cbae2f6a3 100644
--- a/src/trade_scene.c
+++ b/src/trade_scene.c
@@ -2686,7 +2686,7 @@ static void sub_8053E8C(void)
             }
             else
             {
-                sub_800AAC0();
+                Link_TryStartSend5FFF();
             }
             gMain.state++;
         }
diff --git a/src/trainer_card.c b/src/trainer_card.c
index e4778f5ed..f29c9c71c 100644
--- a/src/trainer_card.c
+++ b/src/trainer_card.c
@@ -590,7 +590,7 @@ static void Task_TrainerCard(u8 taskId)
         }
         break;
     case 15:
-        sub_800AAC0();
+        Link_TryStartSend5FFF();
         DrawDialogueFrame(0, 1);
         AddTextPrinterParameterized(0, 2, gText_WaitingTrainerFinishReading, 0, 1, TEXT_SPEED_FF, 0);
         CopyWindowToVram(0, 3);
diff --git a/src/union_room.c b/src/union_room.c
index 844b06529..40a97b8c3 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -74,8 +74,8 @@ static void sub_8116D60(struct UnkStruct_Group * group, s32 id);
 static void Task_ListenToWireless(u8 taskId);
 static void ListMenuItemPrintFunc_UnionRoomGroups(u8 windowId, s32 itemId, u8 y);
 static u8 GetNewLeaderCandidate(void);
-static void sub_8117990(void);
-static void sub_81179A4(void);
+static void CreateTask_sub_8117900(void);
+static void CreateTask_sub_81175BC(void);
 static void Task_MEvent_Leader(u8 taskId);
 static void Task_CardOrNewsWithFriend(u8 taskId);
 static void Task_CardOrNewsOverWireless(u8 taskId);
@@ -301,9 +301,9 @@ static const struct WindowTemplate sWindowTemplate_InviteToActivity = {
 
 static const struct ListMenuItem sListMenuItems_InviteToActivity[] = {
     {gUnknown_8459354,  _8456CD8( ACTIVITY_CARD, 2)},
-    {gUnknown_8459344,  _8456CD8(ACTIVITY_BATTLE | 0x40, 2)},
-    {gUnknown_845934C,  _8456CD8(ACTIVITY_CHAT | 0x40, 2)},
-    {gUnknown_8459360,  _8456CD8(ACTIVITY_NONE | 0x40, 0)}
+    {gUnknown_8459344,  _8456CD8(ACTIVITY_BATTLE | IN_UNION_ROOM, 2)},
+    {gUnknown_845934C,  _8456CD8(ACTIVITY_CHAT | IN_UNION_ROOM, 2)},
+    {gUnknown_8459360,  _8456CD8(ACTIVITY_NONE | IN_UNION_ROOM, 0)}
 };
 
 static const struct ListMenuTemplate sListMenuTemplate_InviteToActivity = {
@@ -570,15 +570,15 @@ ALIGNED(4) static const u8 gUnknown_845706C[] = {
 };
 
 ALIGNED(4) static const u8 gUnknown_8457070[] = {
-    ACTIVITY_NONE | 0x40,
-    ACTIVITY_BATTLE | 0x40,
-    ACTIVITY_TRADE | 0x40,
-    ACTIVITY_CHAT | 0x40,
-    ACTIVITY_CARD | 0x40,
-    ACTIVITY_ACCEPT | 0x40,
-    ACTIVITY_DECLINE | 0x40,
-    0x13 | 0x40,
-    0x14 | 0x40,
+    ACTIVITY_NONE | IN_UNION_ROOM,
+    ACTIVITY_BATTLE | IN_UNION_ROOM,
+    ACTIVITY_TRADE | IN_UNION_ROOM,
+    ACTIVITY_CHAT | IN_UNION_ROOM,
+    ACTIVITY_CARD | IN_UNION_ROOM,
+    ACTIVITY_ACCEPT | IN_UNION_ROOM,
+    ACTIVITY_DECLINE | IN_UNION_ROOM,
+    0x13 | IN_UNION_ROOM,
+    0x14 | IN_UNION_ROOM,
     0xFF
 };
 
@@ -1023,8 +1023,8 @@ static void Task_TryBecomeLinkLeader(u8 taskId)
         {
             if (gReceivedRemoteLinkPlayers != 0)
             {
-                sub_80FAFE0(1);
-                sub_8117990();
+                sub_80FAFE0(TRUE);
+                CreateTask_sub_8117900();
                 sub_81161E4(data);
                 DestroyTask(taskId);
             }
@@ -1512,7 +1512,7 @@ static void Task_TryJoinLinkGroup(u8 taskId)
         LinkRfu_Shutdown();
         break;
     case 21:
-        sub_8117990();
+        CreateTask_sub_8117900();
         DestroyTask(taskId);
         break;
     }
@@ -1768,7 +1768,7 @@ static void sub_8117130(u8 taskId)
     }
 }
 
-static void sub_8117280(u8 taskId)
+static void Task_ExchangeCards(u8 taskId)
 {
     switch (gTasks[taskId].data[0])
     {
@@ -1792,7 +1792,7 @@ static void sub_8117280(u8 taskId)
             if (GetLinkPlayerCount() == 2)
             {
                 recvBuff = gBlockRecvBuffer[GetMultiplayerId() ^ 1];
-                sub_81446D0(recvBuff[48]);
+                sub_81446D0(recvBuff[sizeof(struct TrainerCard) / 2]);
             }
             else
             {
@@ -1806,16 +1806,16 @@ static void sub_8117280(u8 taskId)
     }
 }
 
-static void sub_8117354(void)
+static void CB2_ShowCard(void)
 {
     switch (gMain.state)
     {
     case 0:
-        CreateTask(sub_8117280, 5);
+        CreateTask(Task_ExchangeCards, 5);
         gMain.state++;
         break;
     case 1:
-        if (!FuncIsActiveTask(sub_8117280))
+        if (!FuncIsActiveTask(Task_ExchangeCards))
             ShowTrainerCardInLink(GetMultiplayerId() ^ 1, CB2_ReturnToField);
         break;
     }
@@ -1839,7 +1839,7 @@ void sub_81173C0(u16 battleFlags)
     PlayBattleBGM();
 }
 
-static void sub_8117440(u16 linkService, u16 x, u16 y)
+static void SetCableClubStateAndWarpCurrentMap(u16 linkService, u16 x, u16 y)
 {
     VarSet(VAR_CABLE_CLUB_STATE, linkService);
     SetWarpDestination(gSaveBlock1Ptr->location.mapGroup, gSaveBlock1Ptr->location.mapNum, -1, x, y);
@@ -1847,7 +1847,7 @@ static void sub_8117440(u16 linkService, u16 x, u16 y)
     WarpIntoMap();
 }
 
-static void sub_81174B4(s8 mapGroup, s8 mapNum, s32 x, s32 y, u16 linkService)
+static void SetCableClubStateAndWarpToNewMap(s8 mapGroup, s8 mapNum, s32 x, s32 y, u16 linkService)
 {
     gSpecialVar_0x8004 = linkService;
     VarSet(VAR_CABLE_CLUB_STATE, linkService);
@@ -1863,11 +1863,11 @@ static void sub_8117534(void)
     switch (gMain.state)
     {
     case 0:
-        CreateTask(sub_8117280, 5);
+        CreateTask(Task_ExchangeCards, 5);
         gMain.state++;
         break;
     case 1:
-        if (!FuncIsActiveTask(sub_8117280))
+        if (!FuncIsActiveTask(Task_ExchangeCards))
             SetMainCallback2(sub_8056788);
         break;
     }
@@ -1878,74 +1878,79 @@ static void sub_8117534(void)
     BuildOamBuffer();
 }
 
-static void sub_8117594(void *arg0, bool32 arg1)
+static void CreateTrainerCardInBuffer(void *dest, bool32 setWonderCard)
 {
-    TrainerCard_GenerateCardForLinkPlayer((struct TrainerCard * )arg0);
-    if (arg1)
-        *((u16 *)(arg0 + sizeof(struct TrainerCard))) = GetWonderCardFlagId();
+    TrainerCard_GenerateCardForLinkPlayer((struct TrainerCard * )dest);
+    if (setWonderCard)
+        *((u16 *)(dest + sizeof(struct TrainerCard))) = GetWonderCardFlagId();
     else
-        *((u16 *)(arg0 + sizeof(struct TrainerCard))) = 0;
+        *((u16 *)(dest + sizeof(struct TrainerCard))) = 0;
 }
 
-static void sub_81175BC(u8 taskId)
+static void Task_sub_81175BC(u8 taskId)
 {
     sub_81446C4();
     switch (sPlayerCurrActivity)
     {
-    case 1 ... 4:
-    case 9 ... 11:
-    case 13:
-    case 14:
+    case ACTIVITY_BATTLE:
+    case ACTIVITY_DBLBATTLE:
+    case ACTIVITY_MLTBATTLE:
+    case ACTIVITY_TRADE:
+    case ACTIVITY_PJUMP:
+    case ACTIVITY_BCRUSH:
+    case ACTIVITY_BPICK:
+    case ACTIVITY_SPINTRADE:
+    case ACTIVITY_ITEMTRADE:
         RecordMixTrainerNames();
         break;
     }
 
     switch (sPlayerCurrActivity)
     {
-    case 65:
-    case 81:
+    case ACTIVITY_BATTLE | IN_UNION_ROOM:
+    case ACTIVITY_ACCEPT | IN_UNION_ROOM:
         CleanupOverworldWindowsAndTilemaps();
         gMain.savedCallback = CB2_UnionRoomBattle;
         InitChooseHalfPartyForBattle(2);
         break;
-    case 1:
+    case ACTIVITY_BATTLE:
         CleanupOverworldWindowsAndTilemaps();
-        sub_8117594(gBlockSendBuffer, TRUE);
+        CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
         HealPlayerParty();
         SavePlayerParty();
         LoadPlayerBag();
-        sub_81174B4(MAP_GROUP(BATTLE_COLOSSEUM_2P), MAP_NUM(BATTLE_COLOSSEUM_2P), 6, 8, USING_SINGLE_BATTLE);
+        SetCableClubStateAndWarpToNewMap(MAP_GROUP(BATTLE_COLOSSEUM_2P), MAP_NUM(BATTLE_COLOSSEUM_2P), 6, 8, USING_SINGLE_BATTLE);
         SetMainCallback2(sub_8117534);
         break;
-    case 2:
+    case ACTIVITY_DBLBATTLE:
         CleanupOverworldWindowsAndTilemaps();
         HealPlayerParty();
         SavePlayerParty();
         LoadPlayerBag();
-        sub_8117594(gBlockSendBuffer, TRUE);
-        sub_81174B4(MAP_GROUP(BATTLE_COLOSSEUM_2P), MAP_NUM(BATTLE_COLOSSEUM_2P), 6, 8, USING_DOUBLE_BATTLE);
+        CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
+        SetCableClubStateAndWarpToNewMap(MAP_GROUP(BATTLE_COLOSSEUM_2P), MAP_NUM(BATTLE_COLOSSEUM_2P), 6, 8, USING_DOUBLE_BATTLE);
         SetMainCallback2(sub_8117534);
         break;
-    case 3:
+    case ACTIVITY_MLTBATTLE:
         CleanupOverworldWindowsAndTilemaps();
         HealPlayerParty();
         SavePlayerParty();
         LoadPlayerBag();
-        sub_8117594(gBlockSendBuffer, TRUE);
-        sub_81174B4(MAP_GROUP(BATTLE_COLOSSEUM_4P), MAP_NUM(BATTLE_COLOSSEUM_4P), 5, 8, USING_MULTI_BATTLE);
+        CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
+        SetCableClubStateAndWarpToNewMap(MAP_GROUP(BATTLE_COLOSSEUM_4P), MAP_NUM(BATTLE_COLOSSEUM_4P), 5, 8, USING_MULTI_BATTLE);
         SetMainCallback2(sub_8117534);
         break;
-    case 4:
-        sub_8117594(gBlockSendBuffer, TRUE);
+    case ACTIVITY_TRADE:
+        CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
         CleanupOverworldWindowsAndTilemaps();
-        sub_81174B4(MAP_GROUP(TRADE_CENTER), MAP_NUM(TRADE_CENTER), 5, 8, USING_TRADE_CENTER);
+        SetCableClubStateAndWarpToNewMap(MAP_GROUP(TRADE_CENTER), MAP_NUM(TRADE_CENTER), 5, 8, USING_TRADE_CENTER);
         SetMainCallback2(sub_8117534);
         break;
-    case 68:
+    case ACTIVITY_TRADE | IN_UNION_ROOM:
         CreateTask(sub_8117130, 0);
         break;
-    case 5:
-    case 69:
+    case ACTIVITY_CHAT:
+    case ACTIVITY_CHAT | IN_UNION_ROOM:
         if (GetMultiplayerId() == 0)
         {
             sub_80F8CFC();
@@ -1953,26 +1958,26 @@ static void sub_81175BC(u8 taskId)
         else
         {
             sub_80F8D14();
-            SetHostRFUtgtGname(ACTIVITY_CHAT | 0x40, 0, 1);
+            SetHostRFUtgtGname(ACTIVITY_CHAT | IN_UNION_ROOM, 0, 1);
         }
         EnterUnionRoomChat();
         break;
-    case 8:
-    case 72:
-        sub_8117594(gBlockSendBuffer, FALSE);
-        SetMainCallback2(sub_8117354);
+    case ACTIVITY_CARD:
+    case ACTIVITY_CARD | IN_UNION_ROOM:
+        CreateTrainerCardInBuffer(gBlockSendBuffer, FALSE);
+        SetMainCallback2(CB2_ShowCard);
         break;
-    case 9:
-        sub_8117440(USING_MINIGAME, 5, 1);
-        sub_8147AA8(GetCursorSelectionMonId(), CB2_LoadMap);
+    case ACTIVITY_PJUMP:
+        SetCableClubStateAndWarpCurrentMap(USING_MINIGAME, 5, 1);
+        StartPokemonJump(GetCursorSelectionMonId(), CB2_LoadMap);
         break;
-    case 10:
-        sub_8117440(USING_BERRY_CRUSH, 9, 1);
-        sub_814B754(CB2_LoadMap);
+    case ACTIVITY_BCRUSH:
+        SetCableClubStateAndWarpCurrentMap(USING_BERRY_CRUSH, 9, 1);
+        StartBerryCrush(CB2_LoadMap);
         break;
-    case 11:
-        sub_8117440(USING_MINIGAME, 5, 1);
-        sub_81507FC(GetCursorSelectionMonId(), CB2_LoadMap);
+    case ACTIVITY_BPICK:
+        SetCableClubStateAndWarpCurrentMap(USING_MINIGAME, 5, 1);
+        StartDodrioBerryPicking(GetCursorSelectionMonId(), CB2_LoadMap);
         break;
     }
 
@@ -1981,7 +1986,7 @@ static void sub_81175BC(u8 taskId)
     ScriptContext2_Disable();
 }
 
-static void sub_8117900(u8 taskId)
+static void Task_sub_8117900(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
     u16 *sendBuff = (u16*)(gBlockSendBuffer);
@@ -2011,20 +2016,20 @@ static void sub_8117900(u8 taskId)
         if (IsLinkTaskFinished())
         {
             DestroyTask(taskId);
-            sub_81179A4();
+            CreateTask_sub_81175BC();
         }
         break;
     }
 }
 
-static void sub_8117990(void)
+static void CreateTask_sub_8117900(void)
 {
-    CreateTask(sub_8117900, 0);
+    CreateTask(Task_sub_8117900, 0);
 }
 
-static void sub_81179A4(void)
+static void CreateTask_sub_81175BC(void)
 {
-    u8 taskId = CreateTask(sub_81175BC, 0);
+    u8 taskId = CreateTask(Task_sub_81175BC, 0);
     gTasks[taskId].data[0] = 0;
 }
 
@@ -2103,6 +2108,7 @@ static void Task_MEvent_Leader(u8 taskId)
         }
         break;
     case 6:
+        // The link with your friend has been dropped...
         if (MG_PrintTextOnWindow1AndWaitButton(&data->textState, gUnknown_84577F8))
         {
             data->playerCount = UnionRoomLeaderField0CompactionAndCount(data->field_0);
@@ -2200,6 +2206,7 @@ static void Task_MEvent_Leader(u8 taskId)
         data->state++;
         break;
     case 14:
+        // Please start over from the beginning.
         if (MG_PrintTextOnWindow1AndWaitButton(&data->textState, gUnknown_84571B8))
         {
             DestroyTask(taskId);
@@ -2213,7 +2220,7 @@ static void Task_MEvent_Leader(u8 taskId)
         }
         else if (gReceivedRemoteLinkPlayers != 0)
         {
-            sub_80FAFE0(1);
+            sub_80FAFE0(TRUE);
             data->state++;
         }
         break;
@@ -2653,7 +2660,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         data->field_0 = AllocZeroed(UROOM_MAX_GROUP_COUNT * sizeof(struct UnkStruct_x20));
         data->field_8 = AllocZeroed(sizeof(struct UnkStruct_x20));
         BlankUnkStruct_x20Array(data->field_0->arr, 8);
-        sPlayerCurrActivity = 0x40;
+        sPlayerCurrActivity = IN_UNION_ROOM;
         data->field_20 = sub_8119E84(data->field_C, data->field_4, 9);
         ZeroUnionObjWork(data->unionObjs);
         MakeGroupAssemblyAreasPassable();
@@ -2665,7 +2672,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
             data->state = 2;
         break;
     case 2:
-        SetHostRFUtgtGname(0x40, 0, 0);
+        SetHostRFUtgtGname(IN_UNION_ROOM, 0, 0);
         RfuUpdatePlayerGnameStateAndSend(sUnionRoomTrade.type, sUnionRoomTrade.playerSpecies, sUnionRoomTrade.playerLevel);
         sub_800B1F4();
         OpenLink();
@@ -2685,7 +2692,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
             switch (sUnionRoomTrade.field_0)
             {
             case 1:
-                sub_80FB008(0x14 | 0x40, 0, 1);
+                sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
                 if (id >= PARTY_SIZE)
                 {
                     ResetUnionRoomTrade(&sUnionRoomTrade);
@@ -2710,8 +2717,8 @@ static void Task_ResumeUnionRoom(u8 taskId)
                 }
                 else
                 {
-                    sub_80FB008(0x14 | 0x40, 0, 1);
-                    sPlayerCurrActivity = ACTIVITY_TRADE | 0x40;
+                    sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
+                    sPlayerCurrActivity = ACTIVITY_TRADE | IN_UNION_ROOM;
                     RegisterTradeMon(GetCursorSelectionMonId(), &sUnionRoomTrade);
                     data->state = 51;
                 }
@@ -2729,7 +2736,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         {
             if (gSpecialVar_Result == 9)
             {
-                sub_80FB008(0x14 | 0x40, 0, 1);
+                sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
                 PlaySE(SE_PC_LOGIN);
                 StringCopy(gStringVar1, gSaveBlock2Ptr->playerName);
                 data->state = 42;
@@ -2737,7 +2744,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
             }
             else if (gSpecialVar_Result == 11)
             {
-                sub_80FB008(0x14 | 0x40, 0, 1);
+                sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
                 data->state = 23;
                 gSpecialVar_Result = 0;
             }
@@ -2762,7 +2769,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
                 }
                 else if (PlayerIsTalkingToUnionRoomAide())
                 {
-                    sub_80FB008(0x14 | 0x40, 0, 1);
+                    sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
                     PlaySE(SE_PC_LOGIN);
                     sub_811B298();
                     StringCopy(gStringVar1, gSaveBlock2Ptr->playerName);
@@ -2782,7 +2789,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
                 data->state = 11;
                 sub_811B298();
                 RfuUpdatePlayerGnameStateAndSend(0, 0, 0);
-                sub_80FB008(0x13 | 0x40, sub_811B2D8(data), 0);
+                sub_80FB008(0x13 | IN_UNION_ROOM, sub_811B2D8(data), 0);
                 break;
             }
             HandleUnionRoomPlayerRefresh(data);
@@ -2791,14 +2798,14 @@ static void Task_ResumeUnionRoom(u8 taskId)
     case 23:
         if (!FuncIsActiveTask(Task_StartMenuHandleInput))
         {
-            sub_80FB008(0x40, 0, 0);
+            sub_80FB008(IN_UNION_ROOM, 0, 0);
             data->state = 4;
         }
         break;
     case 24:
         UR_RunTextPrinters_CheckPrinter0Active();
         playerGender = GetUnionRoomPlayerGender(taskData[1], data->field_0);
-        sub_80FB008(0x14 | 0x40, 0, 1);
+        sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
         switch (sub_811AA5C(data->field_0, taskData[0], taskData[1], playerGender))
         {
         case 0:
@@ -2829,21 +2836,21 @@ static void Task_ResumeUnionRoom(u8 taskId)
             else
                 UnionRoom_ScheduleFieldMessageWithFollowupState(30, gUnknown_8457F90);
 
-            sPlayerCurrActivity = 0x40;
+            sPlayerCurrActivity = IN_UNION_ROOM;
             break;
         }
 
         if (gReceivedRemoteLinkPlayers != 0)
         {
-            sub_8117594(gBlockSendBuffer, TRUE);
-            CreateTask(sub_8117280, 5);
+            CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
+            CreateTask(Task_ExchangeCards, 5);
             data->state = 38;
         }
         break;
     case 38:
-        if (!FuncIsActiveTask(sub_8117280))
+        if (!FuncIsActiveTask(Task_ExchangeCards))
         {
-            if (sPlayerCurrActivity == (ACTIVITY_TRADE | 0x40))
+            if (sPlayerCurrActivity == (ACTIVITY_TRADE | IN_UNION_ROOM))
                 UnionRoom_ScheduleFieldMessageWithFollowupState(31, gUnknown_84578BC);
             else
                 data->state = 5;
@@ -2874,9 +2881,9 @@ static void Task_ResumeUnionRoom(u8 taskId)
             {
                 data->partnerYesNoResponse = 0;
                 playerGender = GetUnionRoomPlayerGender(taskData[1], data->field_0);
-                if (var5 == -2 || var5 == 0x40)
+                if (var5 == -2 || var5 == IN_UNION_ROOM)
                 {
-                    data->playerSendBuffer[0] = 0x40;
+                    data->playerSendBuffer[0] = IN_UNION_ROOM;
                     sub_80F9E2C(data->playerSendBuffer);
                     StringCopy(gStringVar4, gUnknown_845842C[gLinkPlayers[0].gender]);
                     data->state = 32;
@@ -2885,13 +2892,13 @@ static void Task_ResumeUnionRoom(u8 taskId)
                 {
                     sPlayerCurrActivity = var5;
                     sPlayerActivityGroupSize = (u32)(var5) >> 8;
-                    if (sPlayerCurrActivity == (ACTIVITY_BATTLE | 0x40) && !HasAtLeastTwoMonsOfLevel30OrLower())
+                    if (sPlayerCurrActivity == (ACTIVITY_BATTLE | IN_UNION_ROOM) && !HasAtLeastTwoMonsOfLevel30OrLower())
                     {
                         UnionRoom_ScheduleFieldMessageWithFollowupState(5, gUnknown_845847C);
                     }
                     else
                     {
-                        data->playerSendBuffer[0] = sPlayerCurrActivity | 0x40;
+                        data->playerSendBuffer[0] = sPlayerCurrActivity | IN_UNION_ROOM;
                         sub_80F9E2C(data->playerSendBuffer);
                         data->state = 27;
                     }
@@ -2914,11 +2921,11 @@ static void Task_ResumeUnionRoom(u8 taskId)
         }
         break;
     case 32:
-        sub_800AAC0();
+        Link_TryStartSend5FFF();
         data->state = 36;
         break;
     case 31:
-        data->playerSendBuffer[0] = ACTIVITY_TRADE | 0x40;
+        data->playerSendBuffer[0] = ACTIVITY_TRADE | IN_UNION_ROOM;
         data->playerSendBuffer[1] = sUnionRoomTrade.species;
         data->playerSendBuffer[2] = sUnionRoomTrade.level;
         sub_80F9E2C(data->playerSendBuffer);
@@ -2933,7 +2940,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         else
         {
             PollPartnerYesNoResponse(data);
-            if (data->partnerYesNoResponse == (ACTIVITY_ACCEPT | 0x40))
+            if (data->partnerYesNoResponse == (ACTIVITY_ACCEPT | IN_UNION_ROOM))
             {
                 if (sPlayerCurrActivity == ACTIVITY_CARD)
                 {
@@ -2945,10 +2952,10 @@ static void Task_ResumeUnionRoom(u8 taskId)
                     data->state = 13;
                 }
             }
-            else if (data->partnerYesNoResponse == (ACTIVITY_DECLINE | 0x40))
+            else if (data->partnerYesNoResponse == (ACTIVITY_DECLINE | IN_UNION_ROOM))
             {
                 data->state = 32;
-                GetURoomActivityRejectMsg(gStringVar4, sPlayerCurrActivity | 0x40, gLinkPlayers[0].gender);
+                GetURoomActivityRejectMsg(gStringVar4, sPlayerCurrActivity | IN_UNION_ROOM, gLinkPlayers[0].gender);
                 sPlayerCurrActivity = 0;
             }
         }
@@ -2989,8 +2996,8 @@ static void Task_ResumeUnionRoom(u8 taskId)
         {
         case 0:
             CopyBgTilemapBufferToVram(0);
-            sPlayerCurrActivity = ACTIVITY_CHAT | 0x40;
-            sub_80FB008(ACTIVITY_CHAT | 0x40, 0, 1);
+            sPlayerCurrActivity = ACTIVITY_CHAT | IN_UNION_ROOM;
+            sub_80FB008(ACTIVITY_CHAT | IN_UNION_ROOM, 0, 1);
             sub_80FC114(data->field_0->arr[taskData[1]].gname_uname.uname, &data->field_0->arr[taskData[1]].gname_uname.gname, sPlayerCurrActivity);
             data->field_12 = taskData[1];
             data->state = 20;
@@ -3020,7 +3027,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         case 1:
         case 2:
             playerGender = GetUnionRoomPlayerGender(taskData[1], data->field_0);
-            sub_80FB008(0x14 | 0x40, 0, 1);
+            sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
             if (sub_80FBB0C() == TRUE)
                 sub_811868C(gUnknown_84585E8[playerGender]);
             else
@@ -3036,7 +3043,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         if (RfuIsErrorStatus1or2())
         {
             playerGender = GetUnionRoomPlayerGender(taskData[1], data->field_0);
-            sub_80FB008(0x14 | 0x40, 0, 1);
+            sub_80FB008(0x14 | IN_UNION_ROOM, 0, 1);
             if (sub_80FBB0C() == TRUE)
                 sub_811868C(gUnknown_84585E8[playerGender]);
             else
@@ -3059,14 +3066,14 @@ static void Task_ResumeUnionRoom(u8 taskId)
         }
         else if (gReceivedRemoteLinkPlayers != 0)
         {
-            sub_8117594(gBlockSendBuffer, TRUE);
-            CreateTask(sub_8117280, 5);
+            CreateTrainerCardInBuffer(gBlockSendBuffer, TRUE);
+            CreateTask(Task_ExchangeCards, 5);
             data->state = 39;
         }
         break;
     case 39:
         ReceiveUnionRoomActivityPacket(data);
-        if (!FuncIsActiveTask(sub_8117280))
+        if (!FuncIsActiveTask(Task_ExchangeCards))
         {
             data->state = 33;
             StringCopy(gStringVar1, gLinkPlayers[1].name);
@@ -3095,19 +3102,19 @@ static void Task_ResumeUnionRoom(u8 taskId)
         switch (sub_811A14C(&data->textState, FALSE))
         {
         case 0:
-            data->playerSendBuffer[0] = ACTIVITY_ACCEPT | 0x40;
-            if (sPlayerCurrActivity == (ACTIVITY_CHAT | 0x40))
-                sub_80FB008(sPlayerCurrActivity | 0x40, sub_811B2A8(1), 0);
+            data->playerSendBuffer[0] = ACTIVITY_ACCEPT | IN_UNION_ROOM;
+            if (sPlayerCurrActivity == (ACTIVITY_CHAT | IN_UNION_ROOM))
+                sub_80FB008(sPlayerCurrActivity | IN_UNION_ROOM, sub_811B2A8(1), 0);
             else
-                sub_80FB008(sPlayerCurrActivity | 0x40, sub_811B2A8(1), 1);
+                sub_80FB008(sPlayerCurrActivity | IN_UNION_ROOM, sub_811B2A8(1), 1);
 
             data->field_8->arr[0].field_1B = 0;
             taskData[3] = 0;
-            if (sPlayerCurrActivity == (ACTIVITY_BATTLE | 0x40))
+            if (sPlayerCurrActivity == (ACTIVITY_BATTLE | IN_UNION_ROOM))
             {
                 if (!HasAtLeastTwoMonsOfLevel30OrLower())
                 {
-                    data->playerSendBuffer[0] = ACTIVITY_DECLINE | 0x40;
+                    data->playerSendBuffer[0] = ACTIVITY_DECLINE | IN_UNION_ROOM;
                     sub_80F9E2C(data->playerSendBuffer);
                     data->state = 10;
                     StringCopy(gStringVar4, gUnknown_84584C0);
@@ -3118,7 +3125,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
                     data->state = 13;
                 }
             }
-            else if (sPlayerCurrActivity == (ACTIVITY_CARD | 0x40))
+            else if (sPlayerCurrActivity == (ACTIVITY_CARD | IN_UNION_ROOM))
             {
                 sub_80F9E2C(data->playerSendBuffer);
                 ViewURoomPartnerTrainerCard(gStringVar4, data, 1);
@@ -3132,7 +3139,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
             break;
         case 1:
         case -1:
-            data->playerSendBuffer[0] = ACTIVITY_DECLINE | 0x40;
+            data->playerSendBuffer[0] = ACTIVITY_DECLINE | IN_UNION_ROOM;
             sub_80F9E2C(data->playerSendBuffer);
             data->state = 10;
             sub_81162E0(gStringVar4, sPlayerCurrActivity);
@@ -3140,13 +3147,13 @@ static void Task_ResumeUnionRoom(u8 taskId)
         }
         break;
     case 10:
-        sub_800AAC0();
+        Link_TryStartSend5FFF();
         data->state = 36;
         break;
     case 36:
         if (gReceivedRemoteLinkPlayers == 0)
         {
-            sPlayerCurrActivity = 0x40;
+            sPlayerCurrActivity = IN_UNION_ROOM;
             UnionRoom_ScheduleFieldMessageWithFollowupState(37, gStringVar4);
             memset(data->playerSendBuffer, 0, sizeof(data->playerSendBuffer));
             data->recvActivityRequest[0] = 0;
@@ -3158,7 +3165,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
         sub_811B258(FALSE);
         break;
     case 13:
-        GetURoomActivityStartMsg(gStringVar4, sPlayerCurrActivity | 0x40);
+        GetURoomActivityStartMsg(gStringVar4, sPlayerCurrActivity | IN_UNION_ROOM);
         UnionRoom_ScheduleFieldMessageWithFollowupState(14, gStringVar4);
         break;
     case 14:
@@ -3188,7 +3195,7 @@ static void Task_ResumeUnionRoom(u8 taskId)
             DeleteUnionObjWorkAndStopTask();
             DestroyTask(taskId);
             Free(sUnionRoomMain.uRoom);
-            sub_81179A4();
+            CreateTask_sub_81175BC();
         }
         break;
     case 42:
@@ -3366,8 +3373,8 @@ static void Task_ResumeUnionRoom(u8 taskId)
         }
         break;
     case 51:
-        sPlayerCurrActivity = ACTIVITY_TRADE | 0x40;
-        sub_80FC114(data->field_0->arr[taskData[1]].gname_uname.uname, &data->field_0->arr[taskData[1]].gname_uname.gname, ACTIVITY_TRADE | 0x40);
+        sPlayerCurrActivity = ACTIVITY_TRADE | IN_UNION_ROOM;
+        sub_80FC114(data->field_0->arr[taskData[1]].gname_uname.uname, &data->field_0->arr[taskData[1]].gname_uname.gname, ACTIVITY_TRADE | IN_UNION_ROOM);
         IntlConvPartnerUname(gStringVar1, data->field_0->arr[taskData[1]]);
         UR_PrintFieldMessage(gURText_PleaseWaitMsgs[2]);
         data->state = 25;
@@ -3398,7 +3405,7 @@ static void ReceiveUnionRoomActivityPacket(struct UnkStruct_URoom * arg0)
     if (gRecvCmds[1][1] != 0 && (gRecvCmds[1][0] & 0xFF00) == 0x2F00)
     {
         arg0->recvActivityRequest[0] = gRecvCmds[1][1];
-        if (gRecvCmds[1][1] == (ACTIVITY_TRADE | 0x40))
+        if (gRecvCmds[1][1] == (ACTIVITY_TRADE | IN_UNION_ROOM))
         {
             arg0->recvActivityRequest[1] = gRecvCmds[1][2];
             arg0->recvActivityRequest[2] = gRecvCmds[1][3];
@@ -3424,7 +3431,7 @@ static bool32 sub_8119944(struct UnkStruct_URoom * arg0)
         else if (var == 2)
         {
             arg0->state = 36;
-            sub_800AAC0();
+            Link_TryStartSend5FFF();
             return FALSE;
         }
     }
@@ -4227,7 +4234,7 @@ static s32 sub_811AA5C(struct UnkStruct_Main0 * arg0, u8 arg1, u8 arg2, u32 play
     {
         IntlConvPartnerUname(gStringVar1, *r5);
         r2 = PlayerHasMetTrainerBefore(ReadAsU16(r5->gname_uname.gname.unk_00.playerTrainerId), gStringVar1);
-        if (r5->gname_uname.gname.activity == (ACTIVITY_CHAT | 0x40))
+        if (r5->gname_uname.gname.activity == (ACTIVITY_CHAT | IN_UNION_ROOM))
         {
             StringExpandPlaceholders(gStringVar4, gUnknown_8457F80[r2][playerGender]);
             return 2;
@@ -4391,16 +4398,16 @@ static void GetURoomActivityRejectMsg(u8 *dst, s32 activity, u32 playerGender)
 {
     switch (activity)
     {
-    case ACTIVITY_BATTLE | 0x40:
+    case ACTIVITY_BATTLE | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_8458314[playerGender]);
         break;
-    case ACTIVITY_CHAT | 0x40:
+    case ACTIVITY_CHAT | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_84585E8[playerGender]);
         break;
-    case ACTIVITY_TRADE | 0x40:
+    case ACTIVITY_TRADE | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_8458F9C);
         break;
-    case ACTIVITY_CARD | 0x40:
+    case ACTIVITY_CARD | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_84583B4[playerGender]);
         break;
     }
@@ -4413,13 +4420,13 @@ static void GetURoomActivityStartMsg(u8 *dst, u8 activity)
 
     switch (activity)
     {
-    case ACTIVITY_BATTLE | 0x40:
+    case ACTIVITY_BATTLE | IN_UNION_ROOM:
         StringCopy(dst, gUnknown_8458230[mpId][gender][0]);
         break;
-    case ACTIVITY_TRADE | 0x40:
+    case ACTIVITY_TRADE | IN_UNION_ROOM:
         StringCopy(dst, gUnknown_8458230[mpId][gender][2]);
         break;
-    case ACTIVITY_CHAT | 0x40:
+    case ACTIVITY_CHAT | IN_UNION_ROOM:
         StringCopy(dst, gUnknown_8458230[mpId][gender][1]);
         break;
     }
@@ -4433,15 +4440,15 @@ static s32 GetChatLeaderActionRequestMessage(u8 *dst, u32 gender, u16 *activity_
 
     switch (activity_p[0])
     {
-    case ACTIVITY_BATTLE | 0x40:
+    case ACTIVITY_BATTLE | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_8457CA4);
         result = 1;
         break;
-    case ACTIVITY_CHAT | 0x40:
+    case ACTIVITY_CHAT | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_8457CF8);
         result = 1;
         break;
-    case ACTIVITY_TRADE | 0x40:
+    case ACTIVITY_TRADE | IN_UNION_ROOM:
         ConvertIntToDecimalStringN(arg3->activityRequestStrbufs[0], sUnionRoomTrade.playerLevel, STR_CONV_MODE_LEFT_ALIGN, 3);
         StringCopy(arg3->activityRequestStrbufs[1], gSpeciesNames[sUnionRoomTrade.playerSpecies]);
         for (i = 0; i < RFU_CHILD_MAX; i++)
@@ -4468,11 +4475,11 @@ static s32 GetChatLeaderActionRequestMessage(u8 *dst, u32 gender, u16 *activity_
         }
         result = 1;
         break;
-    case ACTIVITY_CARD | 0x40:
+    case ACTIVITY_CARD | IN_UNION_ROOM:
         StringExpandPlaceholders(dst, gUnknown_8457C48);
         result = 1;
         break;
-    case 0x40:
+    case IN_UNION_ROOM:
         // Chat dropped
         StringExpandPlaceholders(dst, gUnknown_8457E0C);
         result = 2;
@@ -4486,14 +4493,14 @@ static bool32 PollPartnerYesNoResponse(struct UnkStruct_URoom * arg0)
 {
     if (gRecvCmds[0][1] != 0)
     {
-        if (gRecvCmds[0][1] == (ACTIVITY_ACCEPT | 0x40))
+        if (gRecvCmds[0][1] == (ACTIVITY_ACCEPT | IN_UNION_ROOM))
         {
-            arg0->partnerYesNoResponse = ACTIVITY_ACCEPT | 0x40;
+            arg0->partnerYesNoResponse = ACTIVITY_ACCEPT | IN_UNION_ROOM;
             return TRUE;
         }
-        else if (gRecvCmds[0][1] == (ACTIVITY_DECLINE | 0x40))
+        else if (gRecvCmds[0][1] == (ACTIVITY_DECLINE | IN_UNION_ROOM))
         {
-            arg0->partnerYesNoResponse = ACTIVITY_DECLINE | 0x40;
+            arg0->partnerYesNoResponse = ACTIVITY_DECLINE | IN_UNION_ROOM;
             return TRUE;
         }
     }
@@ -4612,7 +4619,7 @@ static void sub_811B258(bool32 arg0)
     if (arg0)
     {
         RfuUpdatePlayerGnameStateAndSend(sUnionRoomTrade.type, sUnionRoomTrade.playerSpecies, sUnionRoomTrade.playerLevel);
-        sub_80FB008(0x40, 0, 0);
+        sub_80FB008(IN_UNION_ROOM, 0, 0);
     }
 }
 
diff --git a/src/union_room_battle.c b/src/union_room_battle.c
index 449260a5e..a2021e62e 100644
--- a/src/union_room_battle.c
+++ b/src/union_room_battle.c
@@ -167,7 +167,7 @@ void CB2_UnionRoomBattle(void)
             }
             else
             {
-                sub_800AAC0();
+                Link_TryStartSend5FFF();
                 if (gBlockRecvBuffer[GetMultiplayerId()][0] == (ACTIVITY_DECLINE | 0x40))
                 {
                     gMain.state = 6;
diff --git a/src/union_room_chat.c b/src/union_room_chat.c
index fb5860ef8..167da514a 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())
         {
-            sub_800AAC0();
+            Link_TryStartSend5FFF();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }
@@ -622,7 +622,7 @@ static void ChatEntryRoutine_Drop(void)
     case 1:
         if (!RunDisplaySubtask(0) && IsLinkTaskFinished() && !GetRfuUnkCE8())
         {
-            sub_800AAC0();
+            Link_TryStartSend5FFF();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }
@@ -668,7 +668,7 @@ static void ChatEntryRoutine_Disbanded(void)
     case 2:
         if (RunDisplaySubtask(0) != TRUE && IsLinkTaskFinished() && !GetRfuUnkCE8())
         {
-            sub_800AAC0();
+            Link_TryStartSend5FFF();
             sWork->exitDelayTimer = 0;
             sWork->routineState++;
         }