diff --git a/Makefile b/Makefile
index 07143e4ad..42837b4d3 100644
--- a/Makefile
+++ b/Makefile
@@ -63,13 +63,14 @@ ASFLAGS := -mcpu=arm7tdmi --defsym MODERN=$(MODERN)
 
 ifeq ($(MODERN),0)
 CC1             := tools/agbcc/bin/agbcc$(EXE)
-override CFLAGS += -mthumb-interwork -Wimplicit -Wparentheses -Werror -O2 -fhex-asm
+override CFLAGS += -mthumb-interwork -Wimplicit -Wparentheses -Werror -O2 -fhex-asm -g
 ROM := pokeemerald.gba
 OBJ_DIR := build/emerald
 LIBPATH := -L ../../tools/agbcc/lib
 else
 CC1              = $(shell $(CC) --print-prog-name=cc1) -quiet
-override CFLAGS += -mthumb -mthumb-interwork -O2 -mabi=apcs-gnu -mtune=arm7tdmi -march=armv4t -fno-toplevel-reorder -Wno-pointer-to-int-cast
+override CFLAGS += -mthumb -mthumb-interwork -O2 -mabi=apcs-gnu -mcpu=arm7tdmi -fno-toplevel-reorder -Wno-pointer-to-int-cast -g
+override CFLAGS += -mthumb -mthumb-interwork -O2 -mabi=apcs-gnu -mtune=arm7tdmi -march=armv4t -fno-toplevel-reorder -Wno-pointer-to-int-cast -g
 ROM := pokeemerald_modern.gba
 OBJ_DIR := build/modern
 LIBPATH := -L "$(dir $(shell $(CC) -mthumb -print-file-name=libgcc.a))" -L "$(dir $(shell $(CC) -mthumb -print-file-name=libc.a))"
diff --git a/include/battle.h b/include/battle.h
index 820684a69..53a78024a 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -585,7 +585,11 @@ struct BattleSpriteData
 struct MonSpritesGfx
 {
     void* firstDecompressed; // ptr to the decompressed sprite of the first pokemon
-    void* sprites[4];
+    union
+    {
+	void* ptr[4];
+	u8* byte[4];
+    } sprites;
     struct SpriteTemplate templates[4];
     struct SpriteFrameImage field_74[4][4];
     u8 field_F4[0x80];
diff --git a/include/global.fieldmap.h b/include/global.fieldmap.h
index 83123c834..c4d7be35d 100644
--- a/include/global.fieldmap.h
+++ b/include/global.fieldmap.h
@@ -195,15 +195,10 @@ struct ObjectEvent
     /*0x0C*/ struct Coords16 initialCoords;
     /*0x10*/ struct Coords16 currentCoords;
     /*0x14*/ struct Coords16 previousCoords;
-    /*0x18*/ u8 facingDirection:4;  // current direction?
-    /*0x18*/ u8 movementDirection:4;
-    /*0x19*/ union __attribute__((packed)) {
-        u8 as_byte;
-        struct __attribute__((packed)) {
-            u8 x:4;
-            u8 y:4;
-        } ALIGNED(1) as_nybbles;
-    } ALIGNED(1) range;
+    /*0x18*/ u16 facingDirection:4; // current direction?
+             u16 movementDirection:4;
+             u16 rangeX:4;
+             u16 rangeY:4;
     /*0x1A*/ u8 fieldEffectSpriteId;
     /*0x1B*/ u8 warpArrowSpriteId;
     /*0x1C*/ u8 movementActionId;
diff --git a/src/battle_ai_script_commands.c b/src/battle_ai_script_commands.c
index 952868e11..b7679429c 100644
--- a/src/battle_ai_script_commands.c
+++ b/src/battle_ai_script_commands.c
@@ -624,8 +624,8 @@ static void RecordLastUsedMoveByTarget(void)
     {
         if (BATTLE_HISTORY->usedMoves[gBattlerTarget].moves[i] == gLastMoves[gBattlerTarget])
             break;
-        if (BATTLE_HISTORY->usedMoves[gBattlerTarget].moves[i] != gLastMoves[gBattlerTarget]  // HACK: This redundant condition is a hack to make the asm match.
-         && BATTLE_HISTORY->usedMoves[gBattlerTarget].moves[i] == MOVE_NONE)
+
+        if (BATTLE_HISTORY->usedMoves[gBattlerTarget].moves[i] == MOVE_NONE)
         {
             BATTLE_HISTORY->usedMoves[gBattlerTarget].moves[i] = gLastMoves[gBattlerTarget];
             break;
diff --git a/src/battle_anim_effects_3.c b/src/battle_anim_effects_3.c
index f57e2a4fc..9e50a8477 100755
--- a/src/battle_anim_effects_3.c
+++ b/src/battle_anim_effects_3.c
@@ -2290,7 +2290,7 @@ void AnimTask_TransformMon(u8 taskId)
         else
             position = GetBattlerPosition(gBattleAnimAttacker);
 
-        src = gMonSpritesGfxPtr->sprites[position] + (gBattleMonForms[gBattleAnimAttacker] << 11);
+        src = gMonSpritesGfxPtr->sprites.ptr[position] + (gBattleMonForms[gBattleAnimAttacker] << 11);
         dest = animBg.bgTiles;
         CpuCopy32(src, dest, 0x800);
         LoadBgTiles(1, animBg.bgTiles, 0x800, animBg.tilesOffset);
diff --git a/src/battle_gfx_sfx_util.c b/src/battle_gfx_sfx_util.c
index 41cffec3d..c6db4ad42 100644
--- a/src/battle_gfx_sfx_util.c
+++ b/src/battle_gfx_sfx_util.c
@@ -6,6 +6,7 @@
 #include "constants/battle_anim.h"
 #include "battle_interface.h"
 #include "main.h"
+#include "dma3.h"
 #include "malloc.h"
 #include "graphics.h"
 #include "random.h"
@@ -567,7 +568,7 @@ void BattleLoadOpponentMonSpriteGfx(struct Pokemon *mon, u8 battlerId)
     otId = GetMonData(mon, MON_DATA_OT_ID);
     position = GetBattlerPosition(battlerId);
     HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species],
-                                              gMonSpritesGfxPtr->sprites[position],
+                                              gMonSpritesGfxPtr->sprites.ptr[position],
                                               species, currentPersonality);
 
     paletteOffset = 0x100 + battlerId * 16;
@@ -623,13 +624,13 @@ void BattleLoadPlayerMonSpriteGfx(struct Pokemon *mon, u8 battlerId)
     if (sub_80688F8(1, battlerId) == 1 || gBattleSpritesDataPtr->battlerData[battlerId].transformSpecies != SPECIES_NONE)
     {
         HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[species],
-                                                  gMonSpritesGfxPtr->sprites[position],
+                                                  gMonSpritesGfxPtr->sprites.ptr[position],
                                                   species, currentPersonality);
     }
     else
     {
         HandleLoadSpecialPokePic(&gMonBackPicTable[species],
-                                gMonSpritesGfxPtr->sprites[position],
+                                gMonSpritesGfxPtr->sprites.ptr[position],
                                 species, currentPersonality);
     }
 
@@ -671,7 +672,7 @@ void DecompressTrainerFrontPic(u16 frontPicId, u8 battlerId)
 {
     u8 position = GetBattlerPosition(battlerId);
     DecompressPicFromTable_2(&gTrainerFrontPicTable[frontPicId],
-                             gMonSpritesGfxPtr->sprites[position],
+                             gMonSpritesGfxPtr->sprites.ptr[position],
                              SPECIES_NONE);
     LoadCompressedSpritePalette(&gTrainerFrontPicPaletteTable[frontPicId]);
 }
@@ -680,7 +681,7 @@ void DecompressTrainerBackPic(u16 backPicId, u8 battlerId)
 {
     u8 position = GetBattlerPosition(battlerId);
     DecompressPicFromTable_2(&gTrainerBackPicTable[backPicId],
-                             gMonSpritesGfxPtr->sprites[position],
+                             gMonSpritesGfxPtr->sprites.ptr[position],
                              SPECIES_NONE);
     LoadCompressedPalette(gTrainerBackPicPaletteTable[backPicId].data,
                           0x100 + 16 * battlerId, 0x20);
@@ -920,7 +921,7 @@ void HandleSpeciesGfxDataChange(u8 battlerAtk, u8 battlerDef, bool8 notTransform
             otId = gContestResources->moveAnim->otId;
 
             HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[targetSpecies],
-                                                      gMonSpritesGfxPtr->sprites[0],
+                                                      gMonSpritesGfxPtr->sprites.ptr[0],
                                                       targetSpecies,
                                                       gContestResources->moveAnim->targetPersonality);
         }
@@ -939,7 +940,7 @@ void HandleSpeciesGfxDataChange(u8 battlerAtk, u8 battlerDef, bool8 notTransform
                 otId = GetMonData(&gPlayerParty[gBattlerPartyIndexes[battlerAtk]], MON_DATA_OT_ID);
 
                 HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[targetSpecies],
-                                                          gMonSpritesGfxPtr->sprites[position],
+                                                          gMonSpritesGfxPtr->sprites.ptr[position],
                                                           targetSpecies,
                                                           gTransformedPersonalities[battlerAtk]);
             }
@@ -949,14 +950,14 @@ void HandleSpeciesGfxDataChange(u8 battlerAtk, u8 battlerDef, bool8 notTransform
                 otId = GetMonData(&gEnemyParty[gBattlerPartyIndexes[battlerAtk]], MON_DATA_OT_ID);
 
                 HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[targetSpecies],
-                                                          gMonSpritesGfxPtr->sprites[position],
+                                                          gMonSpritesGfxPtr->sprites.ptr[position],
                                                           targetSpecies,
                                                           gTransformedPersonalities[battlerAtk]);
             }
         }
 
-        src = gMonSpritesGfxPtr->sprites[position];
-        dst = (void *)(VRAM + 0x10000 + gSprites[gBattlerSpriteIds[battlerAtk]].oam.tileNum * 32);
+        src = gMonSpritesGfxPtr->sprites.ptr[position];
+        dst = (void *)(OBJ_VRAM0 + gSprites[gBattlerSpriteIds[battlerAtk]].oam.tileNum * 32);
         DmaCopy32(3, src, dst, 0x800);
         paletteOffset = 0x100 + battlerAtk * 16;
         lzPaletteData = GetMonSpritePalFromSpeciesAndPersonality(targetSpecies, otId, personalityValue);
@@ -996,18 +997,15 @@ void BattleLoadSubstituteOrMonSpriteGfx(u8 battlerId, bool8 loadMonSprite)
             position = GetBattlerPosition(battlerId);
 
         if (IsContest())
-            LZDecompressVram(gSubstituteDollTilemap, gMonSpritesGfxPtr->sprites[position]);
+            LZDecompressVram(gSubstituteDollTilemap, gMonSpritesGfxPtr->sprites.ptr[position]);
         else if (GetBattlerSide(battlerId) != B_SIDE_PLAYER)
-            LZDecompressVram(gSubstituteDollGfx, gMonSpritesGfxPtr->sprites[position]);
+            LZDecompressVram(gSubstituteDollGfx, gMonSpritesGfxPtr->sprites.ptr[position]);
         else
-            LZDecompressVram(gSubstituteDollTilemap, gMonSpritesGfxPtr->sprites[position]);
+            LZDecompressVram(gSubstituteDollTilemap, gMonSpritesGfxPtr->sprites.ptr[position]);
 
         for (i = 1; i < 4; i++)
         {
-            u8 (*ptr)[4][0x800] = gMonSpritesGfxPtr->sprites[position];
-            ptr++;ptr--; // Needed to match.
-
-            DmaCopy32Defvars(3, (*ptr)[0], (*ptr)[i], 0x800);
+            Dma3CopyLarge32_(gMonSpritesGfxPtr->sprites.ptr[position], &gMonSpritesGfxPtr->sprites.byte[position][0x800 * i], 0x800);
         }
 
         palOffset = (battlerId * 16) + 0x100;
@@ -1247,12 +1245,12 @@ void AllocateMonSpritesGfx(void)
 
     for (i = 0; i < MAX_BATTLERS_COUNT; i++)
     {
-        gMonSpritesGfxPtr->sprites[i] = gMonSpritesGfxPtr->firstDecompressed + (i * 0x2000);
+        gMonSpritesGfxPtr->sprites.ptr[i] = gMonSpritesGfxPtr->firstDecompressed + (i * 0x2000);
         *(gMonSpritesGfxPtr->templates + i) = gUnknown_08329D98[i];
 
         for (j = 0; j < 4; j++)
         {
-            gMonSpritesGfxPtr->field_74[i][j].data = gMonSpritesGfxPtr->sprites[i] + (j * 0x800);
+            gMonSpritesGfxPtr->field_74[i][j].data = gMonSpritesGfxPtr->sprites.ptr[i] + (j * 0x800);
             gMonSpritesGfxPtr->field_74[i][j].size = 0x800;
         }
 
@@ -1274,10 +1272,10 @@ void FreeMonSpritesGfx(void)
 
     FREE_AND_SET_NULL(gMonSpritesGfxPtr->barFontGfx);
     FREE_AND_SET_NULL(gMonSpritesGfxPtr->firstDecompressed);
-    gMonSpritesGfxPtr->sprites[0] = NULL;
-    gMonSpritesGfxPtr->sprites[1] = NULL;
-    gMonSpritesGfxPtr->sprites[2] = NULL;
-    gMonSpritesGfxPtr->sprites[3] = NULL;
+    gMonSpritesGfxPtr->sprites.ptr[0] = NULL;
+    gMonSpritesGfxPtr->sprites.ptr[1] = NULL;
+    gMonSpritesGfxPtr->sprites.ptr[2] = NULL;
+    gMonSpritesGfxPtr->sprites.ptr[3] = NULL;
     FREE_AND_SET_NULL(gMonSpritesGfxPtr);
 }
 
diff --git a/src/battle_intro.c b/src/battle_intro.c
index 6964428a3..36ff325f5 100644
--- a/src/battle_intro.c
+++ b/src/battle_intro.c
@@ -586,7 +586,7 @@ void sub_8118FBC(int bgId, u8 arg1, u8 arg2, u8 battlerPosition, u8 arg4, u8 *ar
     int i, j;
     u8 battler = GetBattlerAtPosition(battlerPosition);
     int offset = tilesOffset;
-    CpuCopy16(gMonSpritesGfxPtr->sprites[battlerPosition] + BG_SCREEN_SIZE * gBattleMonForms[battler], arg5, BG_SCREEN_SIZE);
+    CpuCopy16(gMonSpritesGfxPtr->sprites.ptr[battlerPosition] + BG_SCREEN_SIZE * gBattleMonForms[battler], arg5, BG_SCREEN_SIZE);
     LoadBgTiles(bgId, arg5, 0x1000, tilesOffset);
     for (i = arg2; i < arg2 + 8; i++)
     {
@@ -604,7 +604,7 @@ void unref_sub_8119094(u8 arg0, u8 arg1, u8 battlerPosition, u8 arg3, u8 arg4, u
 {
     int i, j, offset;
 
-    DmaCopy16(3, gMonSpritesGfxPtr->sprites[battlerPosition] + BG_SCREEN_SIZE * arg3, (void *)BG_SCREEN_ADDR(0) + arg5, BG_SCREEN_SIZE);
+    DmaCopy16(3, gMonSpritesGfxPtr->sprites.ptr[battlerPosition] + BG_SCREEN_SIZE * arg3, (void *)BG_SCREEN_ADDR(0) + arg5, BG_SCREEN_SIZE);
     offset = (arg5 >> 5) - (arg7 << 9);
     for (i = arg1; i < arg1 + 8; i++)
     {
diff --git a/src/battle_main.c b/src/battle_main.c
index acc65008e..5bc80f61e 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -2765,7 +2765,7 @@ static void SpriteCB_AnimFaintOpponent(struct Sprite *sprite)
         }
         else // Erase bottom part of the sprite to create a smooth illusion of mon falling down.
         {
-            u8 *dst = (u8 *)gMonSpritesGfxPtr->sprites[GetBattlerPosition(sprite->sBattler)] + (gBattleMonForms[sprite->sBattler] << 11) + (sprite->data[3] << 8);
+            u8* dst = gMonSpritesGfxPtr->sprites.byte[GetBattlerPosition(sprite->sBattler)] + (gBattleMonForms[sprite->sBattler] << 11) + (sprite->data[3] << 8);
 
             for (i = 0; i < 0x100; i++)
                 *(dst++) = 0;
diff --git a/src/battle_message.c b/src/battle_message.c
index 59ad0cee4..e6c1666fc 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -2288,8 +2288,7 @@ static const u8* TryGetStatusString(u8 *src)
     statusPtr = status;
     for (i = 0; i < 8; i++)
     {
-        if (*src == EOS)
-            break;
+        if (*src == EOS) break; // one line required to match -g
         *statusPtr = *src;
         src++;
         statusPtr++;
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 53d8be47c..6ec9d16b1 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -4666,19 +4666,16 @@ static void Cmd_jumpifcantswitch(void)
     }
     else if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER)
     {
-        #ifndef NONMATCHING
-            asm("":::"r5");
-        #endif // NONMATCHING
         if (GetBattlerSide(gActiveBattler) == B_SIDE_OPPONENT)
             party = gEnemyParty;
         else
             party = gPlayerParty;
 
-        i = 0;
+        lastMonId = 0;
         if (gActiveBattler & 2)
-            i = 3;
+            lastMonId = 3;
 
-        for (lastMonId = i + 3; i < lastMonId; i++)
+        for (i = lastMonId; i < lastMonId + 3; i++)
         {
             if (GetMonData(&party[i], MON_DATA_SPECIES) != SPECIES_NONE
              && !GetMonData(&party[i], MON_DATA_IS_EGG)
@@ -4687,7 +4684,7 @@ static void Cmd_jumpifcantswitch(void)
                 break;
         }
 
-        if (i == lastMonId)
+        if (i == lastMonId + 3)
             gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 2);
         else
             gBattlescriptCurrInstr += 6;
@@ -4700,18 +4697,18 @@ static void Cmd_jumpifcantswitch(void)
             {
                 party = gPlayerParty;
 
-                i = 0;
+                lastMonId = 0;
                 if (GetLinkTrainerFlankId(GetBattlerMultiplayerId(gActiveBattler)) == TRUE)
-                    i = 3;
+                    lastMonId = 3;
             }
             else
             {
                 party = gEnemyParty;
 
                 if (gActiveBattler == 1)
-                    i = 0;
+                    lastMonId = 0;
                 else
-                    i = 3;
+                    lastMonId = 3;
             }
         }
         else
@@ -4721,12 +4718,12 @@ static void Cmd_jumpifcantswitch(void)
             else
                 party = gPlayerParty;
 
-            i = 0;
+            lastMonId = 0;
             if (GetLinkTrainerFlankId(GetBattlerMultiplayerId(gActiveBattler)) == TRUE)
-                i = 3;
+                lastMonId = 3;
         }
 
-        for (lastMonId = i + 3; i < lastMonId; i++)
+        for (i = lastMonId; i < lastMonId + 3; i++)
         {
             if (GetMonData(&party[i], MON_DATA_SPECIES) != SPECIES_NONE
              && !GetMonData(&party[i], MON_DATA_IS_EGG)
@@ -4735,7 +4732,7 @@ static void Cmd_jumpifcantswitch(void)
                 break;
         }
 
-        if (i == lastMonId)
+        if (i == lastMonId + 3)
             gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 2);
         else
             gBattlescriptCurrInstr += 6;
@@ -4744,11 +4741,11 @@ static void Cmd_jumpifcantswitch(void)
     {
         party = gEnemyParty;
 
-        i = 0;
+        lastMonId = 0;
         if (gActiveBattler == B_POSITION_OPPONENT_RIGHT)
-            i = 3;
+            lastMonId = 3;
 
-        for (lastMonId = i + 3; i < lastMonId; i++)
+        for (i = lastMonId; i < lastMonId + 3; i++)
         {
             if (GetMonData(&party[i], MON_DATA_SPECIES) != SPECIES_NONE
              && !GetMonData(&party[i], MON_DATA_IS_EGG)
@@ -4757,7 +4754,7 @@ static void Cmd_jumpifcantswitch(void)
                 break;
         }
 
-        if (i == lastMonId)
+        if (i == lastMonId + 3)
             gBattlescriptCurrInstr = T1_READ_PTR(gBattlescriptCurrInstr + 2);
         else
             gBattlescriptCurrInstr += 6;
@@ -5035,14 +5032,9 @@ static void Cmd_openpartyscreen(void)
         hitmarkerFaintBits = gHitMarker >> 0x1C;
 
         gBattlerFainted = 0;
-        while (1)
-        {
-            if (gBitTable[gBattlerFainted] & hitmarkerFaintBits)
-                break;
-            if (gBattlerFainted >= gBattlersCount)
-                break;
+        while (!(gBitTable[gBattlerFainted] & hitmarkerFaintBits)
+               && gBattlerFainted < gBattlersCount)
             gBattlerFainted++;
-        }
 
         if (gBattlerFainted == gBattlersCount)
             gBattlescriptCurrInstr = jumpPtr;
diff --git a/src/battle_setup.c b/src/battle_setup.c
index 7b9d13980..40b5993f0 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -1564,8 +1564,7 @@ static s32 TrainerIdToRematchTableId(const struct RematchTrainer *table, u16 tra
     {
         for (j = 0; j < REMATCHES_COUNT; j++)
         {
-            if (table[i].trainerIds[j] == 0)
-                break;
+            if (table[i].trainerIds[j] == 0) break; // one line required to match -g
             if (table[i].trainerIds[j] == trainerId)
                 return i;
         }
diff --git a/src/battle_tent.c b/src/battle_tent.c
index de0ecea98..26b2e8bb1 100644
--- a/src/battle_tent.c
+++ b/src/battle_tent.c
@@ -354,11 +354,7 @@ static void GenerateOpponentMons(void)
 {
     u16 trainerId;
     s32 i, j, k;
-    #ifndef NONMATCHING
-        register const u16 *monSet asm("r9"); // Fix me. Compiler insists on moving that variable into stack.
-    #else
-        const u16 *monSet;
-    #endif
+    const u16 *monSet;
     u16 species[FRONTIER_PARTY_SIZE];
     u16 heldItems[FRONTIER_PARTY_SIZE];
     s32 monId = 0;
@@ -379,7 +375,8 @@ static void GenerateOpponentMons(void)
         } while (i != gSaveBlock2Ptr->frontier.curChallengeBattleNum);
 
         gTrainerBattleOpponent_A = trainerId;
-        while (gFacilityTrainers[gTrainerBattleOpponent_A].monSet[monId] != 0xFFFF)
+        monSet = gFacilityTrainers[gTrainerBattleOpponent_A].monSet;
+        while (monSet[monId] != 0xFFFF)
             monId++;
         if (monId > 8)
             break;
diff --git a/src/battle_transition.c b/src/battle_transition.c
index 496cc9e09..74e1548e7 100644
--- a/src/battle_transition.c
+++ b/src/battle_transition.c
@@ -1956,10 +1956,7 @@ static bool8 Phase2_Ripple_Func2(struct Task *task)
     for (i = 0; i < 160; i++, r4 += r8)
     {
         s16 var = r4 >> 8;
-
-        var++;
-        var--;
-        gScanlineEffectRegBuffers[0][i] = sTransitionStructPtr->field_16 + Sin(var, r3);
+        gScanlineEffectRegBuffers[0][i] = sTransitionStructPtr->field_16 + Sin(var & 0xffff, r3);
     }
 
     if (++task->tData3 == 81)
diff --git a/src/berry_crush.c b/src/berry_crush.c
index 671d0ad2b..985bf8d28 100755
--- a/src/berry_crush.c
+++ b/src/berry_crush.c
@@ -148,7 +148,7 @@ struct BerryCrushGame
     u32 (* unk4)(struct BerryCrushGame *, u8 *);
     u8 unk8;
     u8 unk9;
-    u8 unkA;
+    u8 mainTask;
     u8 unkB;
     u8 unkC;
     u8 unkD;
@@ -188,10 +188,10 @@ struct BerryCrushGame
     u8 unk31C0[0x1000];
 };
 
-static void sub_8020F74(void);
-static void sub_8020F88(void);
-static void sub_8020FA0(u8);
-void sub_8020FC4(struct BerryCrushGame *);
+static void VBlankCB(void);
+static void MainCB(void);
+static void MainTask(u8);
+static void ParseName_Options(struct BerryCrushGame *);
 void sub_8022BEC(u16, u8, u8 *);
 static void BerryCrush_SetPaletteFadeParams(u8 *, bool8, u32, s8, u8, u8, u16);
 static int sub_8021450(struct BerryCrushGame *);
@@ -232,7 +232,7 @@ static u32 sub_8024444(struct BerryCrushGame *r5, __attribute__((unused)) u8 *r1
 static u32 sub_8024508(struct BerryCrushGame *r5, __attribute__((unused)) u8 *r1);
 static u32 sub_8024568(__attribute__((unused)) struct BerryCrushGame *r0, __attribute__((unused)) u8 *r1);
 
-static EWRAM_DATA struct BerryCrushGame *gUnknown_02022C90 = NULL;
+static EWRAM_DATA struct BerryCrushGame *gBerryCrushGame = NULL;
 
 static const u8 gUnknown_082F325C[] = { 1, 2, 4, 8, 16, 32, 64, 128 };
 static const u8 gUnknown_082F3264[] = { 0, 1, 2, 3, 5, 0, 0, 0 };
@@ -805,22 +805,21 @@ static const u8 gUnknown_082F4434[][4] =
 static const u8 gUnknown_082F4444[] = {5, 7, 9, 12};
 static const u8 gUnknown_082F4448[] = {3, 7, 15, 31};
 
-
-struct BerryCrushGame *sub_8020C00(void)
+struct BerryCrushGame * GetBerryCrushGame(void)
 {
-    return gUnknown_02022C90;
+    return gBerryCrushGame;
 }
 
-u32 sub_8020C0C(MainCallback callback)
+u32 QuitBerryCrush(MainCallback callback)
 {
-    if (!gUnknown_02022C90)
+    if (!gBerryCrushGame)
         return 2;
 
     if (!callback)
-        callback = gUnknown_02022C90->unk0;
+        callback = gBerryCrushGame->unk0;
 
-    DestroyTask(gUnknown_02022C90->unkA);
-    FREE_AND_SET_NULL(gUnknown_02022C90);
+    DestroyTask(gBerryCrushGame->mainTask);
+    FREE_AND_SET_NULL(gBerryCrushGame);
     SetMainCallback2(callback);
     if (callback == CB2_ReturnToField)
     {
@@ -857,8 +856,8 @@ void StartBerryCrush(MainCallback callback)
         return;
     }
 
-    gUnknown_02022C90 = AllocZeroed(sizeof(*gUnknown_02022C90));
-    if (!gUnknown_02022C90)
+    gBerryCrushGame = AllocZeroed(sizeof(*gBerryCrushGame));
+    if (!gBerryCrushGame)
     {
         SetMainCallback2(callback);
         Rfu.unk_10 = 0;
@@ -867,110 +866,110 @@ void StartBerryCrush(MainCallback callback)
         return;
     }
 
-    gUnknown_02022C90->unk0 = callback;
-    gUnknown_02022C90->unk8 = multiplayerId;
-    gUnknown_02022C90->unk9 = playerCount;
-    sub_8020FC4(gUnknown_02022C90);
-    gUnknown_02022C90->unk12 = 1;
-    gUnknown_02022C90->unkE = 1;
-    gUnknown_02022C90->unkF = 6;
-    BerryCrush_SetPaletteFadeParams(gUnknown_02022C90->unk36, 1, -1, 0, 16, 0, 0);
-    sub_8022BEC(4, 1, gUnknown_02022C90->unk36);
-    SetMainCallback2(sub_8020F88);
-    gUnknown_02022C90->unkA = CreateTask(sub_8020FA0, 8);
+    gBerryCrushGame->unk0 = callback;
+    gBerryCrushGame->unk8 = multiplayerId;
+    gBerryCrushGame->unk9 = playerCount;
+    ParseName_Options(gBerryCrushGame);
+    gBerryCrushGame->unk12 = 1;
+    gBerryCrushGame->unkE = 1;
+    gBerryCrushGame->unkF = 6;
+    BerryCrush_SetPaletteFadeParams(gBerryCrushGame->unk36, 1, -1, 0, 16, 0, 0);
+    sub_8022BEC(4, 1, gBerryCrushGame->unk36);
+    SetMainCallback2(MainCB);
+    gBerryCrushGame->mainTask = CreateTask(MainTask, 8);
     gTextFlags.autoScroll = 0;
 }
 
-static void sub_8020D8C(void)
+static void GetBerryFromBag(void)
 {
     if (gSpecialVar_ItemId < FIRST_BERRY_INDEX || gSpecialVar_ItemId > LAST_BERRY_INDEX + 1)
         gSpecialVar_ItemId = ITEM_CHERI_BERRY;
     else
         RemoveBagItem(gSpecialVar_ItemId, 1);
 
-    gUnknown_02022C90->unk68.as_four_players.others[gUnknown_02022C90->unk8].unk0 = gSpecialVar_ItemId - FIRST_BERRY_INDEX;
-    gUnknown_02022C90->unkE = 1;
-    gUnknown_02022C90->unkF = 9;
-    BerryCrush_SetPaletteFadeParams(gUnknown_02022C90->unk36, 0, -1, 0, 16, 0, 0);
-    sub_8022BEC(4, 1, gUnknown_02022C90->unk36);
-    gUnknown_02022C90->unkA = CreateTask(sub_8020FA0, 8);
-    SetMainCallback2(sub_8020F88);
+    gBerryCrushGame->unk68.as_four_players.others[gBerryCrushGame->unk8].unk0 = gSpecialVar_ItemId - FIRST_BERRY_INDEX;
+    gBerryCrushGame->unkE = 1;
+    gBerryCrushGame->unkF = 9;
+    BerryCrush_SetPaletteFadeParams(gBerryCrushGame->unk36, 0, -1, 0, 16, 0, 0);
+    sub_8022BEC(4, 1, gBerryCrushGame->unk36);
+    gBerryCrushGame->mainTask = CreateTask(MainTask, 8);
+    SetMainCallback2(MainCB);
 }
 
-void sub_8020E1C(void)
+static void BerryCrush_SetupMainTask(void)
 {
-    DestroyTask(gUnknown_02022C90->unkA);
-    ChooseBerryForMachine(sub_8020D8C);
+    DestroyTask(gBerryCrushGame->mainTask);
+    ChooseBerryForMachine(GetBerryFromBag);
 }
 
-static void sub_8020E3C(void)
+static void BerryCrush_SetVBlankCB(void)
 {
-    SetVBlankCallback(sub_8020F74);
+    SetVBlankCallback(VBlankCB);
 }
 
-void sub_8020E4C(void)
+static void BerryCrush_InitVBlankCB(void)
 {
     SetVBlankCallback(NULL);
 }
 
-void sub_8020E58(void)
+static void BerryCrush_SaveResults(void)
 {
     u32 var0, var1;
 
-    var0 = gUnknown_02022C90->unk68.as_four_players.unk00.unk04;
+    var0 = gBerryCrushGame->unk68.as_four_players.unk00.unk04;
     var0 = Q_24_8(var0);
     var0 = MathUtil_Div32(var0, Q_24_8(60));
-    var1 = gUnknown_02022C90->unk68.as_four_players.unk00.unk0A;
+    var1 = gBerryCrushGame->unk68.as_four_players.unk00.unk0A;
     var1 = Q_24_8(var1);
     var1 = MathUtil_Div32(var1, var0) & 0xFFFF;
-    gUnknown_02022C90->unk16 = var1;
-    switch (gUnknown_02022C90->unk9)
+    gBerryCrushGame->unk16 = var1;
+    switch (gBerryCrushGame->unk9)
     {
     case 2:
-        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[0])
+        if (gBerryCrushGame->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[0])
         {
-            gUnknown_02022C90->unk25_1 = 1;
-            gSaveBlock2Ptr->berryCrush.berryCrushResults[0] = gUnknown_02022C90->unk16;
+            gBerryCrushGame->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[0] = gBerryCrushGame->unk16;
         }
         break;
     case 3:
-        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[1])
+        if (gBerryCrushGame->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[1])
         {
-            gUnknown_02022C90->unk25_1 = 1;
-            gSaveBlock2Ptr->berryCrush.berryCrushResults[1] = gUnknown_02022C90->unk16;
+            gBerryCrushGame->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[1] = gBerryCrushGame->unk16;
         }
         break;
     case 4:
-        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[2])
+        if (gBerryCrushGame->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[2])
         {
-            gUnknown_02022C90->unk25_1 = 1;
-            gSaveBlock2Ptr->berryCrush.berryCrushResults[2] = gUnknown_02022C90->unk16;
+            gBerryCrushGame->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[2] = gBerryCrushGame->unk16;
         }
         break;
     case 5:
-        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[3])
+        if (gBerryCrushGame->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[3])
         {
-            gUnknown_02022C90->unk25_1 = 1;
-            gSaveBlock2Ptr->berryCrush.berryCrushResults[3] = gUnknown_02022C90->unk16;
+            gBerryCrushGame->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[3] = gBerryCrushGame->unk16;
         }
         break;
     }
 
-    gUnknown_02022C90->unk1C = gUnknown_02022C90->unk68.as_four_players.unk00.unk00;
-    if (GiveBerryPowder(gUnknown_02022C90->unk1C))
+    gBerryCrushGame->unk1C = gBerryCrushGame->unk68.as_four_players.unk00.unk00;
+    if (GiveBerryPowder(gBerryCrushGame->unk1C))
         return;
 
-    gUnknown_02022C90->unk25_0 = 1;
+    gBerryCrushGame->unk25_0 = 1;
 }
 
-static void sub_8020F74(void)
+static void VBlankCB(void)
 {
     TransferPlttBuffer();
     LoadOam();
     ProcessSpriteCopyRequests();
 }
 
-static void sub_8020F88(void)
+static void MainCB(void)
 {
     RunTasks();
     RunTextPrinters();
@@ -978,12 +977,12 @@ static void sub_8020F88(void)
     BuildOamBuffer();
 }
 
-static void sub_8020FA0(u8 taskId)
+static void MainTask(u8 taskId)
 {
-    if (gUnknown_02022C90->unk4)
-        gUnknown_02022C90->unk4(gUnknown_02022C90, gUnknown_02022C90->unk36);
+    if (gBerryCrushGame->unk4)
+        gBerryCrushGame->unk4(gBerryCrushGame, gBerryCrushGame->unk36);
 
-    sub_8021450(gUnknown_02022C90);
+    sub_8021450(gBerryCrushGame);
 }
 
 #define PLAYER_UNK14(game, i)                        \
@@ -992,11 +991,11 @@ static void sub_8020FA0(u8 taskId)
     + offsetof(struct BerryCrushGame_68_x, unk30)    \
     + sizeof(struct BerryCrushGame_Player) * (i))
 
-void sub_8020FC4(struct BerryCrushGame *arg0)
+static void ParseName_Options(struct BerryCrushGame *arg0)
 {
-    u8 i;
+    u8 i = 0;
 
-    for (i = 0; i < arg0->unk9; i++)
+    for (; i < arg0->unk9; i++)
         StringCopy(PLAYER_UNK14(arg0, i), gLinkPlayers[i].name);
     for (; i < 5; i++)
     {
@@ -1018,13 +1017,14 @@ void sub_8020FC4(struct BerryCrushGame *arg0)
     }
 }
 
-int sub_802104C(void)
+// TODO: Everything from here on is likely in separate files.
+s32 InitBerryCrushDisplay(void)
 {
-    struct BerryCrushGame *var0 = sub_8020C00();
-    if (!var0)
+    struct BerryCrushGame *game = GetBerryCrushGame();
+    if (!game)
         return -1;
 
-    switch (var0->unkC)
+    switch (game->unkC)
     {
     case 0:
         SetVBlankCallback(NULL);
@@ -1046,9 +1046,9 @@ int sub_802104C(void)
     case 3:
         ResetBgsAndClearDma3BusyFlags(0);
         InitBgsFromTemplates(0, gUnknown_082F32C8, ARRAY_COUNT(gUnknown_082F32C8));
-        SetBgTilemapBuffer(1, var0->unk1C0);
-        SetBgTilemapBuffer(2, var0->unk21C0);
-        SetBgTilemapBuffer(3, var0->unk31C0);
+        SetBgTilemapBuffer(1, game->unk1C0);
+        SetBgTilemapBuffer(2, game->unk21C0);
+        SetBgTilemapBuffer(3, game->unk31C0);
         ChangeBgX(0, 0, 0);
         ChangeBgY(0, 0, 0);
         ChangeBgX(2, 0, 0);
@@ -1077,8 +1077,8 @@ int sub_802104C(void)
 
         InitStandardTextBoxWindows();
         InitTextBoxGfxAndPrinters();
-        sub_8022588(var0);
-        sub_8022600(var0);
+        sub_8022588(game);
+        sub_8022600(game);
         gPaletteFade.bufferTransferDisabled = TRUE;
         break;
     case 7:
@@ -1086,7 +1086,7 @@ int sub_802104C(void)
         CopyToBgTilemapBuffer(1, gBerryCrushGrinderTopTilemap, 0, 0);
         CopyToBgTilemapBuffer(2, gBerryCrushContainerCapTilemap, 0, 0);
         CopyToBgTilemapBuffer(3, gBerryCrushBackgroundTilemap, 0, 0);
-        sub_80226D0(var0);
+        sub_80226D0(game);
         CopyBgTilemapBufferToVram(1);
         CopyBgTilemapBufferToVram(2);
         CopyBgTilemapBufferToVram(3);
@@ -1094,7 +1094,7 @@ int sub_802104C(void)
     case 8:
         LoadWirelessStatusIndicatorSpriteGfx();
         CreateWirelessStatusIndicatorSprite(0,  0);
-        sub_8022730(var0);
+        sub_8022730(game);
         SetGpuReg(REG_OFFSET_BG1VOFS, -gSpriteCoordOffsetY);
         ChangeBgX(1, 0, 0);
         ChangeBgY(1, 0, 0);
@@ -1107,18 +1107,18 @@ int sub_802104C(void)
         ShowBg(2);
         ShowBg(3);
         SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
-        sub_8020E3C();
-        var0->unkC = 0;
+        BerryCrush_SetVBlankCB();
+        game->unkC = 0;
         return 1;
     }
 
-    var0->unkC++;
+    game->unkC++;
     return 0;
 }
 
 int sub_802130C(void)
 {
-    struct BerryCrushGame *var0 = sub_8020C00();
+    struct BerryCrushGame *var0 = GetBerryCrushGame();
     if (!var0)
         return -1;
 
@@ -1768,22 +1768,15 @@ void sub_8022600(struct BerryCrushGame *r6)
 void sub_80226D0(struct BerryCrushGame *r6)
 {
     u8 r5 = 0;
-    const u32 *r0 = gUnknown_08DE3FD4;
-#ifndef NONMATCHING // r4, r5, r6 register roulette
-    register u8 *r4 asm("r4") = gDecompressionBuffer;
-    register u32 r0_ asm("r0");
-#else
-    u8 *r4 = gDecompressionBuffer;
-    u32 r0_;
-#endif
+    u8 * r4;
 
-    LZ77UnCompWram(r0, r4);
-    for (; r5 < r6->unk9; ++r5)
+    LZ77UnCompWram(gUnknown_08DE3FD4, gDecompressionBuffer); // required for matching
+
+    for (r4 = gDecompressionBuffer; r5 < r6->unk9; ++r5)
     {
-        r0_ = r6->unk138.unkC[r5]->unk0;
         CopyToBgTilemapBufferRect(
             3,
-            &r4[r0_ * 40],
+            &r4[r6->unk138.unkC[r5]->unk0 * 40],
             r6->unk138.unkC[r5]->unk1,
             r6->unk138.unkC[r5]->unk2,
             10,
@@ -1956,7 +1949,7 @@ void sub_8022B28(struct Sprite *sprite)
 
 void sub_8022BEC(u16 r5, u8 r4, u8 *r7)
 {
-    struct BerryCrushGame *r6 = sub_8020C00();
+    struct BerryCrushGame *r6 = GetBerryCrushGame();
 
     if (r5 > 25)
         r5 = 0;
@@ -2093,7 +2086,7 @@ static u32 sub_8022D14(struct BerryCrushGame *r7, u8 *r5)
 
 static u32 sub_8022E1C(struct BerryCrushGame *r4, __attribute__((unused)) u8 *r1)
 {
-    if (sub_802104C() != 0)
+    if (InitBerryCrushDisplay() != 0)
         sub_8022BEC(r4->unkE, 0, r4->unk36);
     return 0;
 }
@@ -2151,7 +2144,7 @@ static u32 sub_8022EAC(struct BerryCrushGame *r4, u8 *r5)
 static u32 sub_8022F04(struct BerryCrushGame *r0, __attribute__((unused)) u8 *r1)
 {
     r0->unk4 = NULL;
-    SetMainCallback2(sub_8020E1C);
+    SetMainCallback2(BerryCrush_SetupMainTask);
     return 0;
 }
 
@@ -2937,7 +2930,7 @@ static u32 sub_8023CAC(struct BerryCrushGame *r7, __attribute__((unused)) u8 *r1
         r7->unk10 = 0;
         break;
     case 7:
-        sub_8020E58();
+        BerryCrush_SaveResults();
         sub_8022BEC(18, 1, NULL);
         r7->unk12 = 11;
         r7->unkC = 0;
@@ -3205,7 +3198,7 @@ static u32 sub_8024508(struct BerryCrushGame *r5, __attribute__((unused)) u8 *r1
 
 static u32 sub_8024568(__attribute__((unused)) struct BerryCrushGame *r0, __attribute__((unused)) u8 *r1)
 {
-    sub_8020C0C(NULL);
+    QuitBerryCrush(NULL);
     return 0;
 }
 
diff --git a/src/contest.c b/src/contest.c
index f775b01b4..40a0eac66 100644
--- a/src/contest.c
+++ b/src/contest.c
@@ -3118,9 +3118,9 @@ static u8 CreateContestantSprite(u16 species, u32 otId, u32 personality, u32 ind
     species = SanitizeSpecies(species);
 
     if (index == gContestPlayerMonIndex)
-        HandleLoadSpecialPokePic_2(&gMonBackPicTable[species], gMonSpritesGfxPtr->sprites[0], species, personality);
+        HandleLoadSpecialPokePic_2(&gMonBackPicTable[species], gMonSpritesGfxPtr->sprites.ptr[0], species, personality);
     else
-        HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[species], gMonSpritesGfxPtr->sprites[0], species, personality);
+        HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonBackPicTable[species], gMonSpritesGfxPtr->sprites.ptr[0], species, personality);
 
     LoadCompressedPalette(GetMonSpritePalFromSpeciesAndPersonality(species, otId, personality), 0x120, 0x20);
     SetMultiuseSpriteTemplateToPokemon(species, 0);
diff --git a/src/contest_painting.c b/src/contest_painting.c
index 8832b59e8..1602eb94f 100644
--- a/src/contest_painting.c
+++ b/src/contest_painting.c
@@ -368,19 +368,19 @@ static void InitContestMonPixels(u16 species, u8 whichSprite)
     {
         HandleLoadSpecialPokePic_DontHandleDeoxys(
             &gMonFrontPicTable[species],
-            gMonSpritesGfxPtr->sprites[1],
+            gMonSpritesGfxPtr->sprites.ptr[1],
             species,
             gContestPaintingWinner->personality);
-        _InitContestMonPixels(gMonSpritesGfxPtr->sprites[1], gContestPaintingMonPalette, (void *)gContestMonPixels);
+        _InitContestMonPixels(gMonSpritesGfxPtr->sprites.ptr[1], gContestPaintingMonPalette, (void *)gContestMonPixels);
     }
     else
     {
         HandleLoadSpecialPokePic_DontHandleDeoxys(
             &gMonBackPicTable[species],
-            gMonSpritesGfxPtr->sprites[0],
+            gMonSpritesGfxPtr->sprites.ptr[0],
             species,
             gContestPaintingWinner->personality);
-        _InitContestMonPixels(gMonSpritesGfxPtr->sprites[0], gContestPaintingMonPalette, (void *)gContestMonPixels);
+        _InitContestMonPixels(gMonSpritesGfxPtr->sprites.ptr[0], gContestPaintingMonPalette, (void *)gContestMonPixels);
     }
 }
 
diff --git a/src/contest_util.c b/src/contest_util.c
index 9ddfdad1d..e690a3bbe 100644
--- a/src/contest_util.c
+++ b/src/contest_util.c
@@ -875,7 +875,7 @@ static void Task_ShowWinnerMonBanner(u8 taskId)
         {
             HandleLoadSpecialPokePic_2(
                 &gMonFrontPicTable[species],
-                gMonSpritesGfxPtr->sprites[1],
+                gMonSpritesGfxPtr->sprites.ptr[1],
                 species,
                 personality);
         }
@@ -883,7 +883,7 @@ static void Task_ShowWinnerMonBanner(u8 taskId)
         {
             HandleLoadSpecialPokePic_DontHandleDeoxys(
                 &gMonFrontPicTable[species],
-                gMonSpritesGfxPtr->sprites[1],
+                gMonSpritesGfxPtr->sprites.ptr[1],
                 species,
                 personality);
         }
@@ -2547,9 +2547,9 @@ void ShowContestEntryMonPic(void)
         gTasks[taskId].data[0] = 0;
         gTasks[taskId].data[1] = species;
         if (gSpecialVar_0x8006 == gContestPlayerMonIndex)
-            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[1], species, personality);
+            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites.ptr[1], species, personality);
         else
-            HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[1], species, personality);
+            HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites.ptr[1], species, personality);
 
         palette = GetMonSpritePalStructFromOtIdPersonality(species, otId, personality);
         LoadCompressedSpritePalette(palette);
diff --git a/src/daycare.c b/src/daycare.c
index 96f62d5bf..511fa0551 100644
--- a/src/daycare.c
+++ b/src/daycare.c
@@ -625,10 +625,7 @@ static u8 GetEggMoves(struct Pokemon *pokemon, u16 *eggMoves)
     for (i = 0; i < EGG_MOVES_ARRAY_COUNT; i++)
     {
         if (gEggMoves[eggMoveIdx + i] > EGG_MOVES_SPECIES_OFFSET)
-        {
-            // TODO: the curly braces around this if statement are required for a matching build.
             break;
-        }
 
         eggMoves[i] = gEggMoves[eggMoveIdx + i];
         numEggMoves++;
diff --git a/src/egg_hatch.c b/src/egg_hatch.c
index 87f0a13fd..f90441b68 100644
--- a/src/egg_hatch.c
+++ b/src/egg_hatch.c
@@ -434,7 +434,7 @@ static u8 EggHatchCreateMonSprite(u8 a0, u8 switchID, u8 pokeID, u16* speciesLoc
             u16 species = GetMonData(mon, MON_DATA_SPECIES);
             u32 pid = GetMonData(mon, MON_DATA_PERSONALITY);
             HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species],
-                                                      gMonSpritesGfxPtr->sprites[(a0 * 2) + 1],
+                                                      gMonSpritesGfxPtr->sprites.ptr [(a0 * 2) + 1],
                                                       species, pid);
             LoadCompressedSpritePalette(GetMonSpritePalStruct(mon));
             *speciesLoc = species;
diff --git a/src/event_object_movement.c b/src/event_object_movement.c
index c0f02acb2..1d06ddc84 100644
--- a/src/event_object_movement.c
+++ b/src/event_object_movement.c
@@ -1233,8 +1233,8 @@ static u8 InitObjectEventStateFromTemplate(struct ObjectEventTemplate *template,
     objectEvent->previousCoords.y = y;
     objectEvent->currentElevation = template->elevation;
     objectEvent->previousElevation = template->elevation;
-    objectEvent->range.as_nybbles.x = template->movementRangeX;
-    objectEvent->range.as_nybbles.y = template->movementRangeY;
+    objectEvent->rangeX = template->movementRangeX;
+    objectEvent->rangeY = template->movementRangeY;
     objectEvent->trainerType = template->trainerType;
     objectEvent->mapNum = mapNum;
     objectEvent->trainerRange_berryTreeId = template->trainerRange_berryTreeId;
@@ -1243,13 +1243,13 @@ static u8 InitObjectEventStateFromTemplate(struct ObjectEventTemplate *template,
     SetObjectEventDynamicGraphicsId(objectEvent);
     if (gRangedMovementTypes[objectEvent->movementType])
     {
-        if (objectEvent->range.as_nybbles.x == 0)
+        if (objectEvent->rangeX == 0)
         {
-            objectEvent->range.as_nybbles.x++;
+            objectEvent->rangeX++;
         }
-        if (objectEvent->range.as_nybbles.y == 0)
+        if (objectEvent->rangeY == 0)
         {
-            objectEvent->range.as_nybbles.y++;
+            objectEvent->rangeY++;
         }
     }
     return objectEventId;
@@ -1296,22 +1296,19 @@ static bool8 GetAvailableObjectEventId(u16 localId, u8 mapNum, u8 mapGroup, u8 *
 {
     u8 i = 0;
 
-    for (i = 0; i < OBJECT_EVENTS_COUNT; i++)
+    for (i = 0; i < OBJECT_EVENTS_COUNT && gObjectEvents[i].active; i++)
     {
-        if (!gObjectEvents[i].active)
-            break;
         if (gObjectEvents[i].localId == localId && gObjectEvents[i].mapNum == mapNum && gObjectEvents[i].mapGroup == mapGroup)
             return TRUE;
     }
     if (i >= OBJECT_EVENTS_COUNT)
         return TRUE;
     *objectEventId = i;
-    do
+    for (; i < OBJECT_EVENTS_COUNT; i++)
     {
         if (gObjectEvents[i].active && gObjectEvents[i].localId == localId && gObjectEvents[i].mapNum == mapNum && gObjectEvents[i].mapGroup == mapGroup)
             return TRUE;
-        i++;
-    } while (i < OBJECT_EVENTS_COUNT);
+    }
     return FALSE;
 }
 
@@ -4759,19 +4756,19 @@ static bool8 IsCoordOutsideObjectEventMovementRange(struct ObjectEvent *objectEv
     s16 top;
     s16 bottom;
 
-    if (objectEvent->range.as_nybbles.x != 0)
+    if (objectEvent->rangeX != 0)
     {
-        left = objectEvent->initialCoords.x - objectEvent->range.as_nybbles.x;
-        right = objectEvent->initialCoords.x + objectEvent->range.as_nybbles.x;
+        left = objectEvent->initialCoords.x - objectEvent->rangeX;
+        right = objectEvent->initialCoords.x + objectEvent->rangeX;
         if (left > x || right < x)
         {
             return TRUE;
         }
     }
-    if (objectEvent->range.as_nybbles.y != 0)
+    if (objectEvent->rangeY != 0)
     {
-        top = objectEvent->initialCoords.y - objectEvent->range.as_nybbles.y;
-        bottom = objectEvent->initialCoords.y + objectEvent->range.as_nybbles.y;
+        top = objectEvent->initialCoords.y - objectEvent->rangeY;
+        bottom = objectEvent->initialCoords.y + objectEvent->rangeY;
         if (top > y || bottom < y)
         {
             return TRUE;
diff --git a/src/evolution_scene.c b/src/evolution_scene.c
index 22376a478..d41bc5970 100644
--- a/src/evolution_scene.c
+++ b/src/evolution_scene.c
@@ -255,7 +255,7 @@ void EvolutionScene(struct Pokemon* mon, u16 speciesToEvolve, bool8 canStopEvo,
     trainerId = GetMonData(mon, MON_DATA_OT_ID);
     personality = GetMonData(mon, MON_DATA_PERSONALITY);
     DecompressPicFromTable_2(&gMonFrontPicTable[currSpecies],
-                             gMonSpritesGfxPtr->sprites[1],
+                             gMonSpritesGfxPtr->sprites.ptr[1],
                              currSpecies);
     pokePal = GetMonSpritePalStructFromOtIdPersonality(currSpecies, trainerId, personality);
     LoadCompressedPalette(pokePal->data, 0x110, 0x20);
@@ -270,7 +270,7 @@ void EvolutionScene(struct Pokemon* mon, u16 speciesToEvolve, bool8 canStopEvo,
 
     // postEvo sprite
     DecompressPicFromTable_2(&gMonFrontPicTable[speciesToEvolve],
-                             gMonSpritesGfxPtr->sprites[3],
+                             gMonSpritesGfxPtr->sprites.ptr[3],
                              speciesToEvolve);
     pokePal = GetMonSpritePalStructFromOtIdPersonality(speciesToEvolve, trainerId, personality);
     LoadCompressedPalette(pokePal->data, 0x120, 0x20);
@@ -347,7 +347,7 @@ static void CB2_EvolutionSceneLoadGraphics(void)
     gReservedSpritePaletteCount = 4;
 
     DecompressPicFromTable_2(&gMonFrontPicTable[postEvoSpecies],
-                             gMonSpritesGfxPtr->sprites[3],
+                             gMonSpritesGfxPtr->sprites.ptr[3],
                              postEvoSpecies);
     pokePal = GetMonSpritePalStructFromOtIdPersonality(postEvoSpecies, trainerId, personality);
 
@@ -419,7 +419,7 @@ static void CB2_TradeEvolutionSceneLoadGraphics(void)
             u32 trainerId = GetMonData(Mon, MON_DATA_OT_ID);
             u32 personality = GetMonData(Mon, MON_DATA_PERSONALITY);
             DecompressPicFromTable_2(&gMonFrontPicTable[postEvoSpecies],
-                                     gMonSpritesGfxPtr->sprites[3],
+                                     gMonSpritesGfxPtr->sprites.ptr[3],
                                      postEvoSpecies);
             pokePal = GetMonSpritePalStructFromOtIdPersonality(postEvoSpecies, trainerId, personality);
             LoadCompressedPalette(pokePal->data, 0x120, 0x20);
@@ -483,7 +483,7 @@ void TradeEvolutionScene(struct Pokemon* mon, u16 speciesToEvolve, u8 preEvoSpri
     sEvoStructPtr->preEvoSpriteID = preEvoSpriteID;
 
     DecompressPicFromTable_2(&gMonFrontPicTable[speciesToEvolve],
-                            gMonSpritesGfxPtr->sprites[1],
+                            gMonSpritesGfxPtr->sprites.ptr[1],
                             speciesToEvolve);
 
     pokePal = GetMonSpritePalStructFromOtIdPersonality(speciesToEvolve, trainerId, personality);
diff --git a/src/field_player_avatar.c b/src/field_player_avatar.c
index f8c4e79f1..f57cc9979 100644
--- a/src/field_player_avatar.c
+++ b/src/field_player_avatar.c
@@ -342,10 +342,6 @@ void PlayerStep(u8 direction, u16 newKeys, u16 heldKeys)
 
 static bool8 TryInterruptObjectEventSpecialAnim(struct ObjectEvent *playerObjEvent, u8 direction)
 {
-    u8 r5 = direction;
-    u8 r6 = direction;
-    r6++; r6--;
-
     if (ObjectEventIsMovementOverridden(playerObjEvent)
      && !ObjectEventClearHeldMovementIfFinished(playerObjEvent))
     {
@@ -357,13 +353,13 @@ static bool8 TryInterruptObjectEventSpecialAnim(struct ObjectEvent *playerObjEve
                 return TRUE;
             }
 
-            if (playerObjEvent->movementDirection != r5)
+            if (playerObjEvent->movementDirection != direction)
             {
                 ObjectEventClearHeldMovement(playerObjEvent);
                 return FALSE;
             }
 
-            if (!sub_808B028(r6))
+            if (!sub_808B028(direction))
             {
                 ObjectEventClearHeldMovement(playerObjEvent);
                 return FALSE;
@@ -2085,7 +2081,7 @@ static void sub_808D094(u8 taskId)
             sub_808D074(object->facingDirection);
             data[1] = 0;
             data[2] = 1;
-            data[3] = (u16)(sprite->pos1.y + sprite->pos2.y) * 16;
+            data[3] = (u16)(sprite->pos1.y + sprite->pos2.y) << 4;
             sprite->pos2.y = 0;
             CameraObjectReset2();
             object->fixedPriority = TRUE;
diff --git a/src/fldeff_cut.c b/src/fldeff_cut.c
index 785f7b426..0458f7621 100644
--- a/src/fldeff_cut.c
+++ b/src/fldeff_cut.c
@@ -227,17 +227,15 @@ bool8 SetUpFieldMove_Cut(void)
                 y = gPlayerFacingPosition.y + sHyperCutStruct[i].y;
                 tileCuttable = TRUE;
 
-                j = 0;
-                do
+                for (j = 0; j < 2; ++j)
                 {
-                    if (sHyperCutStruct[i].unk2[j] == 0)
-                        break;
+                    if (sHyperCutStruct[i].unk2[j] == 0) break; // one line required to match -g
                     if (cutTiles[(u8)(sHyperCutStruct[i].unk2[j] - 1)] == FALSE)
                     {
                         tileCuttable = FALSE;
                         break;
                     }
-                } while (++j <= 1);
+                }
 
                 if (tileCuttable == TRUE)
                 {
diff --git a/src/menu_specialized.c b/src/menu_specialized.c
index 1d317a1aa..7de963893 100644
--- a/src/menu_specialized.c
+++ b/src/menu_specialized.c
@@ -880,89 +880,82 @@ s32 GetBoxOrPartyMonData(u16 boxId, u16 monId, s32 request, u8 *dst)
 // Gets the name/gender/level string for the condition menu
 static u8 *GetConditionMenuMonString(u8 *dst, u16 boxId, u16 monId)
 {
-    u16 species, level, gender;
+    u16 box, mon, species, level, gender;
     struct BoxPokemon *boxMon;
     u8 *str;
 
+    box = boxId;
+    mon = monId;
     *(dst++) = EXT_CTRL_CODE_BEGIN;
     *(dst++) = EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW;
     *(dst++) = TEXT_COLOR_BLUE;
     *(dst++) = TEXT_COLOR_TRANSPARENT;
     *(dst++) = TEXT_COLOR_LIGHT_BLUE;
-    if (GetBoxOrPartyMonData(boxId, monId, MON_DATA_IS_EGG, NULL))
-    {
+    if (GetBoxOrPartyMonData(box, mon, MON_DATA_IS_EGG, NULL))
         return StringCopyPadded(dst, gText_EggNickname, 0, 12);
+    GetBoxOrPartyMonData(box, mon, MON_DATA_NICKNAME, dst);
+    StringGetEnd10(dst);
+    species = GetBoxOrPartyMonData(box, mon, MON_DATA_SPECIES, NULL);
+    if (box == TOTAL_BOXES_COUNT) // Party mon.
+    {
+        level = GetMonData(&gPlayerParty[mon], MON_DATA_LEVEL);
+        gender = GetMonGender(&gPlayerParty[mon]);
     }
     else
     {
-        GetBoxOrPartyMonData(boxId, monId, MON_DATA_NICKNAME, dst);
-        StringGetEnd10(dst);
-        species = GetBoxOrPartyMonData(boxId, monId, MON_DATA_SPECIES, NULL);
-        if (boxId == TOTAL_BOXES_COUNT) // Party mon.
-        {
-            level = GetMonData(&gPlayerParty[monId], MON_DATA_LEVEL);
-            gender = GetMonGender(&gPlayerParty[monId]);
-        }
-        else
-        {
-            // Needed to match, feel free to remove.
-            boxId++;boxId--;
-            monId++;monId--;
-
-            boxMon = GetBoxedMonPtr(boxId, monId);
-            gender = GetBoxMonGender(boxMon);
-            level = GetLevelFromBoxMonExp(boxMon);
-        }
-
-        if ((species == SPECIES_NIDORAN_F || species == SPECIES_NIDORAN_M) && !StringCompare(dst, gSpeciesNames[species]))
-            gender = MON_GENDERLESS;
-
-        for (str = dst; *str != EOS; str++)
-            ;
-
-        *(str++) = EXT_CTRL_CODE_BEGIN;
-        *(str++) = EXT_CTRL_CODE_SKIP;
-        *(str++) = 60;
-
-        switch (gender)
-        {
-        default:
-            *(str++) = CHAR_SPACE;
-            break;
-        case MON_MALE:
-            *(str++) = EXT_CTRL_CODE_BEGIN;
-            *(str++) = EXT_CTRL_CODE_COLOR;
-            *(str++) = TEXT_COLOR_RED;
-            *(str++) = EXT_CTRL_CODE_BEGIN;
-            *(str++) = EXT_CTRL_CODE_SHADOW;
-            *(str++) = TEXT_COLOR_LIGHT_RED;
-            *(str++) = CHAR_MALE;
-            break;
-        case MON_FEMALE:
-            *(str++) = EXT_CTRL_CODE_BEGIN;
-            *(str++) = EXT_CTRL_CODE_COLOR;
-            *(str++) = TEXT_COLOR_GREEN;
-            *(str++) = EXT_CTRL_CODE_BEGIN;
-            *(str++) = EXT_CTRL_CODE_SHADOW;
-            *(str++) = TEXT_COLOR_LIGHT_GREEN;
-            *(str++) = CHAR_FEMALE;
-            break;
-        }
-
-        *(str++) = EXT_CTRL_CODE_BEGIN;
-        *(str++) = EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW;
-        *(str++) = TEXT_COLOR_BLUE;
-        *(str++) = TEXT_COLOR_TRANSPARENT;
-        *(str++) = TEXT_COLOR_LIGHT_BLUE;
-        *(str++) = CHAR_SLASH;
-        *(str++) = CHAR_EXTRA_SYMBOL;
-        *(str++) = CHAR_LV_2;
-        str = ConvertIntToDecimalStringN(str, level, STR_CONV_MODE_LEFT_ALIGN, 3);
-        *(str++) = CHAR_SPACE;
-        *str = EOS;
-
-        return str;
+        boxMon = GetBoxedMonPtr(box, mon);
+        gender = GetBoxMonGender(boxMon);
+        level = GetLevelFromBoxMonExp(boxMon);
     }
+
+    if ((species == SPECIES_NIDORAN_F || species == SPECIES_NIDORAN_M) && !StringCompare(dst, gSpeciesNames[species]))
+        gender = MON_GENDERLESS;
+
+    for (str = dst; *str != EOS; str++)
+        ;
+
+    *(str++) = EXT_CTRL_CODE_BEGIN;
+    *(str++) = EXT_CTRL_CODE_SKIP;
+    *(str++) = 60;
+
+    switch (gender)
+    {
+    default:
+        *(str++) = CHAR_SPACE;
+        break;
+    case MON_MALE:
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = EXT_CTRL_CODE_COLOR;
+        *(str++) = TEXT_COLOR_RED;
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = EXT_CTRL_CODE_SHADOW;
+        *(str++) = TEXT_COLOR_LIGHT_RED;
+        *(str++) = CHAR_MALE;
+        break;
+    case MON_FEMALE:
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = EXT_CTRL_CODE_COLOR;
+        *(str++) = TEXT_COLOR_GREEN;
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = EXT_CTRL_CODE_SHADOW;
+        *(str++) = TEXT_COLOR_LIGHT_GREEN;
+        *(str++) = CHAR_FEMALE;
+        break;
+    }
+
+    *(str++) = EXT_CTRL_CODE_BEGIN;
+    *(str++) = EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW;
+    *(str++) = TEXT_COLOR_BLUE;
+    *(str++) = TEXT_COLOR_TRANSPARENT;
+    *(str++) = TEXT_COLOR_LIGHT_BLUE;
+    *(str++) = CHAR_SLASH;
+    *(str++) = CHAR_EXTRA_SYMBOL;
+    *(str++) = CHAR_LV_2;
+    str = ConvertIntToDecimalStringN(str, level, STR_CONV_MODE_LEFT_ALIGN, 3);
+    *(str++) = CHAR_SPACE;
+    *str = EOS;
+
+    return str;
 }
 
 // Buffers the string in src to dest up to n chars. If src is less than n chars, fill with spaces
@@ -983,6 +976,8 @@ static u8 *BufferConditionMenuSpacedStringN(u8 *dst, const u8 *src, s16 n)
 void GetConditionMenuMonNameAndLocString(u8 *locationDst, u8 *nameDst, u16 boxId, u16 monId, u16 partyId, u16 numMons, bool8 excludesCancel)
 {
     u16 i;
+    u16 box = boxId;
+    u16 mon = monId;
 
     // In this and the below 2 functions, numMons is passed as the number of menu selections (which includes Cancel)
     // To indicate that the Cancel needs to be subtracted they pass an additional bool
@@ -992,21 +987,16 @@ void GetConditionMenuMonNameAndLocString(u8 *locationDst, u8 *nameDst, u16 boxId
 
     if (partyId != numMons)
     {
-        GetConditionMenuMonString(nameDst, boxId, monId);
+        GetConditionMenuMonString(nameDst, box, mon);
         locationDst[0] = EXT_CTRL_CODE_BEGIN;
         locationDst[1] = EXT_CTRL_CODE_COLOR_HIGHLIGHT_SHADOW;
         locationDst[2] = TEXT_COLOR_BLUE;
         locationDst[3] = TEXT_COLOR_TRANSPARENT;
         locationDst[4] = TEXT_COLOR_LIGHT_BLUE;
-        if (boxId == TOTAL_BOXES_COUNT) // Party mon.
-        {
+        if (box == TOTAL_BOXES_COUNT) // Party mon.
             BufferConditionMenuSpacedStringN(&locationDst[5], gText_InParty, 8);
-        }
         else
-        {
-            boxId++;boxId--; // Again...Someone fix this maybe?
-            BufferConditionMenuSpacedStringN(&locationDst[5], GetBoxNamePtr(boxId), 8);
-        }
+            BufferConditionMenuSpacedStringN(&locationDst[5], GetBoxNamePtr(box), 8);
     }
     else
     {
diff --git a/src/overworld.c b/src/overworld.c
index 223e6e152..72aa17929 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -2908,7 +2908,14 @@ static void ZeroObjectEvent(struct ObjectEvent *objEvent)
     memset(objEvent, 0, sizeof(struct ObjectEvent));
 }
 
-static void SpawnLinkPlayerObjectEvent(u8 linkPlayerId, s16 x, s16 y, u8 a4)
+// Note: Emerald reuses the direction and range variables during Link mode
+// as special gender and direction values. The types and placement
+// conflict with the usual Event Object struct, thus the definitions.
+#define linkGender(obj) obj->singleMovementActive
+// not even one can reference *byte* aligned bitfield members...
+#define linkDirection(obj) ((u8*)obj)[offsetof(typeof(*obj), fieldEffectSpriteId) - 1] // -> rangeX
+
+static void SpawnLinkPlayerObjectEvent(u8 linkPlayerId, s16 x, s16 y, u8 gender)
 {
     u8 objEventId = GetFirstInactiveObjectEventId();
     struct LinkPlayerObjectEvent *linkPlayerObjEvent = &gLinkPlayerObjectEvents[linkPlayerId];
@@ -2923,8 +2930,8 @@ static void SpawnLinkPlayerObjectEvent(u8 linkPlayerId, s16 x, s16 y, u8 a4)
     linkPlayerObjEvent->movementMode = MOVEMENT_MODE_FREE;
 
     objEvent->active = 1;
-    objEvent->singleMovementActive = a4;
-    objEvent->range.as_byte = 2;
+    linkGender(objEvent) = gender;
+    linkDirection(objEvent) = DIR_NORTH;
     objEvent->spriteId = 64;
 
     InitLinkPlayerObjectEventPos(objEvent, x, y);
@@ -2941,13 +2948,13 @@ static void InitLinkPlayerObjectEventPos(struct ObjectEvent *objEvent, s16 x, s1
     ObjectEventUpdateZCoord(objEvent);
 }
 
-static void sub_80877DC(u8 linkPlayerId, u8 a2)
+static void sub_80877DC(u8 linkPlayerId, u8 dir)
 {
     if (gLinkPlayerObjectEvents[linkPlayerId].active)
     {
         u8 objEventId = gLinkPlayerObjectEvents[linkPlayerId].objEventId;
         struct ObjectEvent *objEvent = &gObjectEvents[objEventId];
-        objEvent->range.as_byte = a2;
+        linkDirection(objEvent) = dir;
     }
 }
 
@@ -2982,7 +2989,7 @@ static u8 GetLinkPlayerFacingDirection(u8 linkPlayerId)
 {
     u8 objEventId = gLinkPlayerObjectEvents[linkPlayerId].objEventId;
     struct ObjectEvent *objEvent = &gObjectEvents[objEventId];
-    return objEvent->range.as_byte;
+    return linkDirection(objEvent);
 }
 
 static u8 GetLinkPlayerElevation(u8 linkPlayerId)
@@ -3067,10 +3074,10 @@ static bool8 FacingHandler_DpadMovement(struct LinkPlayerObjectEvent *linkPlayer
 {
     s16 x, y;
 
-    objEvent->range.as_byte = FlipVerticalAndClearForced(a3, objEvent->range.as_byte);
-    ObjectEventMoveDestCoords(objEvent, objEvent->range.as_byte, &x, &y);
+    linkDirection(objEvent) = FlipVerticalAndClearForced(a3, linkDirection(objEvent));
+    ObjectEventMoveDestCoords(objEvent, linkDirection(objEvent), &x, &y);
 
-    if (LinkPlayerDetectCollision(linkPlayerObjEvent->objEventId, objEvent->range.as_byte, x, y))
+    if (LinkPlayerDetectCollision(linkPlayerObjEvent->objEventId, linkDirection(objEvent), x, y))
     {
         return FALSE;
     }
@@ -3085,7 +3092,7 @@ static bool8 FacingHandler_DpadMovement(struct LinkPlayerObjectEvent *linkPlayer
 
 static bool8 FacingHandler_ForcedFacingChange(struct LinkPlayerObjectEvent *linkPlayerObjEvent, struct ObjectEvent *objEvent, u8 a3)
 {
-    objEvent->range.as_byte = FlipVerticalAndClearForced(a3, objEvent->range.as_byte);
+    linkDirection(objEvent) = FlipVerticalAndClearForced(a3, linkDirection(objEvent));
     return FALSE;
 }
 
@@ -3099,7 +3106,7 @@ static void MovementStatusHandler_TryAdvanceScript(struct LinkPlayerObjectEvent
 {
     objEvent->directionSequenceIndex--;
     linkPlayerObjEvent->movementMode = MOVEMENT_MODE_FROZEN;
-    MoveCoords(objEvent->range.as_byte, &objEvent->initialCoords.x, &objEvent->initialCoords.y);
+    MoveCoords(linkDirection(objEvent), &objEvent->initialCoords.x, &objEvent->initialCoords.y);
     if (!objEvent->directionSequenceIndex)
     {
         ShiftStillObjectEventCoords(objEvent);
@@ -3160,14 +3167,14 @@ static void CreateLinkPlayerSprite(u8 linkPlayerId, u8 gameVersion)
         {
         case VERSION_FIRE_RED:
         case VERSION_LEAF_GREEN:
-            objEvent->spriteId = AddPseudoObjectEvent(GetFRLGAvatarGraphicsIdByGender(objEvent->singleMovementActive), SpriteCB_LinkPlayer, 0, 0, 0);
+            objEvent->spriteId = AddPseudoObjectEvent(GetFRLGAvatarGraphicsIdByGender(linkGender(objEvent)), SpriteCB_LinkPlayer, 0, 0, 0);
             break;
         case VERSION_RUBY:
         case VERSION_SAPPHIRE:
-            objEvent->spriteId = AddPseudoObjectEvent(GetRSAvatarGraphicsIdByGender(objEvent->singleMovementActive), SpriteCB_LinkPlayer, 0, 0, 0);
+            objEvent->spriteId = AddPseudoObjectEvent(GetRSAvatarGraphicsIdByGender(linkGender(objEvent)), SpriteCB_LinkPlayer, 0, 0, 0);
             break;
         case VERSION_EMERALD:
-            objEvent->spriteId = AddPseudoObjectEvent(GetRivalAvatarGraphicsIdByStateIdAndGender(PLAYER_AVATAR_STATE_NORMAL, objEvent->singleMovementActive), SpriteCB_LinkPlayer, 0, 0, 0);
+            objEvent->spriteId = AddPseudoObjectEvent(GetRivalAvatarGraphicsIdByStateIdAndGender(PLAYER_AVATAR_STATE_NORMAL, linkGender(objEvent)), SpriteCB_LinkPlayer, 0, 0, 0);
             break;
         }
 
@@ -3188,9 +3195,9 @@ static void SpriteCB_LinkPlayer(struct Sprite *sprite)
     sprite->oam.priority = ZCoordToPriority(objEvent->previousElevation);
 
     if (linkPlayerObjEvent->movementMode == MOVEMENT_MODE_FREE)
-        StartSpriteAnim(sprite, GetFaceDirectionAnimNum(objEvent->range.as_byte));
+        StartSpriteAnim(sprite, GetFaceDirectionAnimNum(linkDirection(objEvent)));
     else
-        StartSpriteAnimIfDifferent(sprite, GetMoveDirectionAnimNum(objEvent->range.as_byte));
+        StartSpriteAnimIfDifferent(sprite, GetMoveDirectionAnimNum(linkDirection(objEvent)));
 
     UpdateObjectEventSpriteVisibility(sprite, 0);
     if (objEvent->triggerGroundEffectsOnMove)
diff --git a/src/party_menu.c b/src/party_menu.c
index da0783d23..f045a9a47 100755
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -1963,19 +1963,17 @@ static u8 CanMonLearnTMTutor(struct Pokemon *mon, u16 item, u8 tutor)
 
     if (item >= ITEM_TM01_FOCUS_PUNCH)
     {
-        if (CanMonLearnTMHM(mon, item - ITEM_TM01_FOCUS_PUNCH))
-            move = ItemIdToBattleMoveId(item);
-        else
+        if (!CanMonLearnTMHM(mon, item - ITEM_TM01_FOCUS_PUNCH))
             return CANNOT_LEARN_MOVE;
-        do {} while (0); // :morphon:
-    }
-    else if (CanLearnTutorMove(GetMonData(mon, MON_DATA_SPECIES), tutor) == FALSE)
-    {
-        return CANNOT_LEARN_MOVE;
+        else
+            move = ItemIdToBattleMoveId(item);
     }
     else
     {
-        move = GetTutorMove(tutor);
+        if (!CanLearnTutorMove(GetMonData(mon, MON_DATA_SPECIES), tutor))
+            return CANNOT_LEARN_MOVE;
+        else
+            move = GetTutorMove(tutor);
     }
 
     if (MonKnowsMove(mon, move) == TRUE)
diff --git a/src/pokeblock_feed.c b/src/pokeblock_feed.c
index 797771f80..32db6c717 100644
--- a/src/pokeblock_feed.c
+++ b/src/pokeblock_feed.c
@@ -646,7 +646,7 @@ static bool8 LoadMonAndSceneGfx(struct Pokemon *mon)
     case 0:
         species = GetMonData(mon, MON_DATA_SPECIES2);
         personality = GetMonData(mon, MON_DATA_PERSONALITY);
-        HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[1], species, personality);
+        HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites.ptr[1], species, personality);
         sPokeblockFeed->loadGfxState++;
         break;
     case 1:
diff --git a/src/pokemon.c b/src/pokemon.c
index 7c546fcd5..475373550 100644
--- a/src/pokemon.c
+++ b/src/pokemon.c
@@ -5597,8 +5597,8 @@ u16 SpeciesToCryId(u16 species)
 void sub_806D544(u16 species, u32 personality, u8 *dest)
 {
     if (species == SPECIES_SPINDA
-        && dest != gMonSpritesGfxPtr->sprites[0]
-        && dest != gMonSpritesGfxPtr->sprites[2])
+        && dest != gMonSpritesGfxPtr->sprites.ptr[0]
+        && dest != gMonSpritesGfxPtr->sprites.ptr[2])
     {
         int i;
         for (i = 0; i < 4; i++)
diff --git a/src/pokemon_summary_screen.c b/src/pokemon_summary_screen.c
index 578b9768e..fce2a893c 100644
--- a/src/pokemon_summary_screen.c
+++ b/src/pokemon_summary_screen.c
@@ -3858,18 +3858,18 @@ static u8 LoadMonGfxAndSprite(struct Pokemon *mon, s16 *state)
         if (gMain.inBattle)
         {
             if (sub_80688F8(3, sMonSummaryScreen->curMonIndex))
-                HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites[1], summary->species2, summary->pid);
+                HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites.ptr[1], summary->species2, summary->pid);
             else
-                HandleLoadSpecialPokePic_2(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites[1], summary->species2, summary->pid);
+                HandleLoadSpecialPokePic_2(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites.ptr[1], summary->species2, summary->pid);
         }
         else
         {
             if (gMonSpritesGfxPtr != NULL)
             {
                 if (sMonSummaryScreen->monList.mons == gPlayerParty || sMonSummaryScreen->mode == PSS_MODE_BOX || sMonSummaryScreen->unk40EF == TRUE)
-                    HandleLoadSpecialPokePic_2(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites[1], summary->species2, summary->pid);
+                    HandleLoadSpecialPokePic_2(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites.ptr[1], summary->species2, summary->pid);
                 else
-                    HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites[1], summary->species2, summary->pid);
+                    HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[summary->species2], gMonSpritesGfxPtr->sprites.ptr[1], summary->species2, summary->pid);
             }
             else
             {
diff --git a/src/pokenav_match_call_data.c b/src/pokenav_match_call_data.c
index 91dbe4005..6610dcb80 100644
--- a/src/pokenav_match_call_data.c
+++ b/src/pokenav_match_call_data.c
@@ -1100,16 +1100,9 @@ const u8 *MatchCall_GetOverrideFlavorText(u32 idx, u32 offset)
     {
         if (sCheckPageOverrides[i].idx == idx)
         {
-            while (1)
-            {
-                if (i + 1 >= ARRAY_COUNT(sCheckPageOverrides))
-                    break;
-                if (sCheckPageOverrides[i + 1].idx != idx)
-                    break;
-                if (!FlagGet(sCheckPageOverrides[i + 1].flag))
-                    break;
-                i++;
-            }
+            for (; i + 1 < ARRAY_COUNT(sCheckPageOverrides) &&
+                sCheckPageOverrides[i + 1].idx == idx &&
+                FlagGet(sCheckPageOverrides[i + 1].flag); i++);
             return sCheckPageOverrides[i].flavorTexts[offset];
         }
     }
diff --git a/src/trade.c b/src/trade.c
index 5ba26842f..6696c23eb 100644
--- a/src/trade.c
+++ b/src/trade.c
@@ -2724,9 +2724,9 @@ static void LoadTradeMonPic(u8 whichParty, u8 state)
         personality = GetMonData(mon, MON_DATA_PERSONALITY);
 
         if (whichParty == TRADE_PLAYER)
-            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[1], species, personality);
+            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites.ptr[1], species, personality);
         else
-            HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites[whichParty * 2 + 1], species, personality);
+            HandleLoadSpecialPokePic_DontHandleDeoxys(&gMonFrontPicTable[species], gMonSpritesGfxPtr->sprites.ptr[whichParty * 2 + 1], species, personality);
 
         LoadCompressedSpritePalette(GetMonSpritePalStruct(mon));
         sTradeData->monSpecies[whichParty] = species;
@@ -3659,7 +3659,7 @@ static bool8 AnimateTradeSequenceCable(void)
     case 65:
         if (gSprites[sTradeData->unk_D3].callback == SpriteCallbackDummy)
         {
-            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[sTradeData->monSpecies[TRADE_PARTNER]], gMonSpritesGfxPtr->sprites[3], sTradeData->monSpecies[TRADE_PARTNER], sTradeData->monPersonalities[TRADE_PARTNER]);
+            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[sTradeData->monSpecies[TRADE_PARTNER]], gMonSpritesGfxPtr->sprites.ptr[3], sTradeData->monSpecies[TRADE_PARTNER], sTradeData->monPersonalities[TRADE_PARTNER]);
             sTradeData->state++;
         }
         break;
@@ -4174,7 +4174,7 @@ static bool8 AnimateTradeSequenceWireless(void)
     case 65:
         if (gSprites[sTradeData->unk_D3].callback == SpriteCallbackDummy)
         {
-            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[sTradeData->monSpecies[TRADE_PARTNER]], gMonSpritesGfxPtr->sprites[3], sTradeData->monSpecies[TRADE_PARTNER], sTradeData->monPersonalities[TRADE_PARTNER]);
+            HandleLoadSpecialPokePic_2(&gMonFrontPicTable[sTradeData->monSpecies[TRADE_PARTNER]], gMonSpritesGfxPtr->sprites.ptr[3], sTradeData->monSpecies[TRADE_PARTNER], sTradeData->monPersonalities[TRADE_PARTNER]);
             sTradeData->state++;
         }
         break;
diff --git a/src/trainer_see.c b/src/trainer_see.c
index 4f4aaea08..46fafa7e3 100644
--- a/src/trainer_see.c
+++ b/src/trainer_see.c
@@ -377,15 +377,15 @@ static u8 CheckPathBetweenTrainerAndPlayer(struct ObjectEvent *trainerObj, u8 ap
     }
 
     // preserve mapobj_unk_19 before clearing.
-    unk19_temp = trainerObj->range.as_nybbles.x;
-    unk19b_temp = trainerObj->range.as_nybbles.y;
-    trainerObj->range.as_nybbles.x = 0;
-    trainerObj->range.as_nybbles.y = 0;
+    unk19_temp = trainerObj->rangeX;
+    unk19b_temp = trainerObj->rangeY;
+    trainerObj->rangeX = 0;
+    trainerObj->rangeY = 0;
 
     collision = GetCollisionAtCoords(trainerObj, x, y, direction);
 
-    trainerObj->range.as_nybbles.x = unk19_temp;
-    trainerObj->range.as_nybbles.y = unk19b_temp;
+    trainerObj->rangeX = unk19_temp;
+    trainerObj->rangeY = unk19b_temp;
     if (collision == 4)
         return approachDistance;
 
diff --git a/src/use_pokeblock.c b/src/use_pokeblock.c
index 1af157b90..b4ccbfe06 100644
--- a/src/use_pokeblock.c
+++ b/src/use_pokeblock.c
@@ -1,5 +1,6 @@
 #include "global.h"
 #include "main.h"
+#include "dma3.h"
 #include "pokeblock.h"
 #include "malloc.h"
 #include "decompress.h"
@@ -1240,8 +1241,7 @@ static void UpdateMonPic(u8 loadId)
     }
     else
     {
-        do {} while(0); // Only needed to match, feel free to remove.
-        DmaCopy16Defvars(3, sMenu->partySheets[loadId], sMenu->curMonTileStart, 0x800);
+        Dma3CopyLarge16_(sMenu->partySheets[loadId], sMenu->curMonTileStart, 0x800);
         LoadPalette(sMenu->partyPalettes[loadId], sMenu->curMonPalette, 32);
     }
 }
diff --git a/src/walda_phrase.c b/src/walda_phrase.c
index 4b617e3b8..18fb2791b 100644
--- a/src/walda_phrase.c
+++ b/src/walda_phrase.c
@@ -173,14 +173,12 @@ static void sub_81D9C90(u8 *array, s32 arg1, s32 arg2)
     {
         var1 = (array[0] & 0x80) >> 7;
 
-        var1++; var1--; // needed to match
-
         for (j = arg1 - 1; j >= 0; j--)
         {
-            var2 = array[j] & 0x80;
+            var2 = (array[j] & 0x80) >> 7;
             array[j] <<= 1;
             array[j] |= var1;
-            var1 = var2 >> 7;
+            var1 = var2;
         }
     }
 }