diff --git a/include/decoration_inventory.h b/include/decoration_inventory.h
index e1fec36ea..7539f7240 100644
--- a/include/decoration_inventory.h
+++ b/include/decoration_inventory.h
@@ -1,12 +1,15 @@
 #ifndef GUARD_DECORATION_INVENTORY_H
 #define GUARD_DECORATION_INVENTORY_H
-struct DecorationInventory {
+
+struct DecorationInventory
+{
     u8 *items;
     u8 size;
 };
 
 extern struct DecorationInventory gDecorationInventories[];
 
+void SetDecorationInventoriesPointers(void);
 void ClearDecorationInventories(void);
 s8 GetFirstEmptyDecorSlot(u8 idx);
 u8 CheckHasDecoration(u8);
diff --git a/include/load_save.h b/include/load_save.h
index b8b27ade5..c64a1179b 100644
--- a/include/load_save.h
+++ b/include/load_save.h
@@ -30,6 +30,5 @@ void LoadPlayerBag(void);
 void SavePlayerBag(void);
 void ApplyNewEncryptionKeyToHword(u16 *hWord, u32 newKey);
 void ApplyNewEncryptionKeyToWord(u32 *word, u32 newKey);
-void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey);
 
 #endif // GUARD_LOAD_SAVE_H
diff --git a/include/overworld.h b/include/overworld.h
index 6b38a8782..3e9d42a22 100644
--- a/include/overworld.h
+++ b/include/overworld.h
@@ -73,7 +73,7 @@ void SetFixedHoleWarpAsDestination(s16 x, s16 y);
 void warp1_set_to_sav1w(void);
 void sub_8084F2C(s8 mapGroup, s8 mapNum, s8 warpId, s8 x, s8 y);
 void sub_8084F6C(u8 a1);
-void sub_8084FAC(void);
+void sub_8084FAC(int unused);
 const struct MapConnection *GetMapConnection(u8 dir);
 static bool8 SetDiveWarp(u8 dir, u16 x, u16 y);
 bool8 SetDiveWarpEmerge(u16 x, u16 y);
diff --git a/include/save.h b/include/save.h
index a5f014904..b151f1064 100644
--- a/include/save.h
+++ b/include/save.h
@@ -54,7 +54,12 @@ enum
     SAVE_HALL_OF_FAME_ERASE_BEFORE // unused
 };
 
-#define SECTION_ID_RECORDED_BATTLE  31
+#define SECTOR_SAVE_SLOT_LENGTH 14
+#define SECTOR_ID_HOF_1 28
+#define SECTOR_ID_HOF_2 29
+#define SECTOR_ID_TRAINER_HILL 30
+#define SECTOR_ID_RECORDED_BATTLE  31
+#define SECTORS_COUNT 32
 
 extern u16 gLastWrittenSector;
 extern u32 gLastSaveCounter;
@@ -72,26 +77,6 @@ extern struct SaveSection gSaveDataBuffer;
 
 void ClearSaveData(void);
 void Save_ResetSaveCounters(void);
-bool32 SetDamagedSectorBits(u8 op, u8 bit);
-u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location);
-u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location);
-u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size);
-u8 TryWriteSector(u8 sector, u8 *data);
-u32 RestoreSaveBackupVarsAndIncrement(const struct SaveSectionLocation *location);
-u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location);
-u8 sub_81529D4(u16 a1, const struct SaveSectionLocation *location);
-u8 sub_8152A34(u16 a1, const struct SaveSectionLocation *location);
-u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location);
-u8 sav12_xor_get(u16 a1, const struct SaveSectionLocation *location);
-u8 sub_8152CAC(u16 a1, const struct SaveSectionLocation *location);
-u8 sub_8152D44(u16 a1, const struct SaveSectionLocation *location);
-u8 sub_8152DD0(u16 a1, const struct SaveSectionLocation *location);
-u8 sub_8152E10(u16 a1, const struct SaveSectionLocation *location);
-u8 GetSaveValidStatus(const struct SaveSectionLocation *location);
-u8 sub_81530DC(u8 a1, u8 *data, u16 size);
-u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section);
-u16 CalculateChecksum(void *data, u16 size);
-void UpdateSaveAddresses(void);
 u8 HandleSavingData(u8 saveType);
 u8 TrySavingData(u8 saveType);
 bool8 sub_8153380(void);
diff --git a/include/save_location.h b/include/save_location.h
index 95b3a7d7d..71dbd3fd8 100644
--- a/include/save_location.h
+++ b/include/save_location.h
@@ -1,7 +1,6 @@
 #ifndef GUARD_SAVE_LOCATION_H
 #define GUARD_SAVE_LOCATION_H
 
-bool32 sub_81AFCEC(void);
 void TrySetMapSaveWarpStatus(void);
 void sub_81AFDA0(void);
 void sub_81AFDD0(void);
diff --git a/src/clear_save_data_screen.c b/src/clear_save_data_screen.c
index 8da8502b3..eb79f7b5e 100644
--- a/src/clear_save_data_screen.c
+++ b/src/clear_save_data_screen.c
@@ -10,6 +10,7 @@
 #include "bg.h"
 #include "text_window.h"
 #include "constants/songs.h"
+#include "constants/rgb.h"
 
 extern const u8 gText_ClearAllSaveData[];
 extern const u8 gText_ClearingData[];
@@ -72,7 +73,7 @@ static const struct WindowTemplate sClearSaveYesNo[] =
 
 void CB2_InitClearSaveDataScreen(void)
 {
-    if(SetupClearSaveDataScreen())
+    if (SetupClearSaveDataScreen())
         CreateTask(Task_DoClearSaveDataScreenYesNo, 0);
 }
 
@@ -86,18 +87,18 @@ static void Task_DoClearSaveDataScreenYesNo(u8 taskId)
 
 static void Task_ClearSaveDataScreenYesNoChoice(u8 taskId)
 {
-    switch(Menu_ProcessInputNoWrapClearOnChoose())
+    switch (Menu_ProcessInputNoWrapClearOnChoose())
     {
-        case 0:
-            FillWindowPixelBuffer(0, 17);
-            AddTextPrinterParameterized(0, 1, gText_ClearingData, 0, 1, 0, 0);
-            gTasks[taskId].func = Task_ClearSaveData;
-            break;
-        case 1:
-        case -1:
-            PlaySE(SE_SELECT);
-            DestroyTask(taskId);
-            SetMainCallback2(CB2_FadeAndDoReset);
+    case 0:
+        FillWindowPixelBuffer(0, 17);
+        AddTextPrinterParameterized(0, 1, gText_ClearingData, 0, 1, 0, 0);
+        gTasks[taskId].func = Task_ClearSaveData;
+        break;
+    case 1:
+    case -1:
+        PlaySE(SE_SELECT);
+        DestroyTask(taskId);
+        SetMainCallback2(CB2_FadeAndDoReset);
     }
 }
 
@@ -125,55 +126,55 @@ static bool8 SetupClearSaveDataScreen(void)
 
     switch(gMain.state)
     {
-        case 0:
-        default:
-            SetVBlankCallback(NULL);
-            SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0);
-            SetGpuReg(REG_OFFSET_BG0HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG0VOFS, 0);
-            SetGpuReg(REG_OFFSET_BG3HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG3VOFS, 0);
-            SetGpuReg(REG_OFFSET_WIN0H, 0);
-            SetGpuReg(REG_OFFSET_WIN0V, 0);
-            SetGpuReg(REG_OFFSET_WININ, 0);
-            SetGpuReg(REG_OFFSET_WINOUT, 0);
-            SetGpuReg(REG_OFFSET_BLDCNT, 0);
-            SetGpuReg(REG_OFFSET_BLDALPHA, 0);
-            SetGpuReg(REG_OFFSET_BLDY, 0);
-            DmaFill16(3, 0, (void *)VRAM, VRAM_SIZE);
-            DmaFill32(3, 0, (void *)OAM, OAM_SIZE);
-            DmaFill16(3, 0, (void *)(PLTT + 2), PLTT_SIZE - 2);
-            ResetPaletteFade();
-            gPlttBufferUnfaded[0] = 0x7fff;
-            gPlttBufferFaded[0] = 0x7fff;
-            gPlttBufferUnfaded[1] = 0x3945;
-            gPlttBufferFaded[1] = 0x3945;
-            for (i = 0; i < 0x10; i++)
-                ((u16 *)(VRAM + 0x20))[i] = 0x1111;
+    case 0:
+    default:
+        SetVBlankCallback(NULL);
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0);
+        SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+        SetGpuReg(REG_OFFSET_BG3HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG3VOFS, 0);
+        SetGpuReg(REG_OFFSET_WIN0H, 0);
+        SetGpuReg(REG_OFFSET_WIN0V, 0);
+        SetGpuReg(REG_OFFSET_WININ, 0);
+        SetGpuReg(REG_OFFSET_WINOUT, 0);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        SetGpuReg(REG_OFFSET_BLDY, 0);
+        DmaFill16(3, 0, (void *)VRAM, VRAM_SIZE);
+        DmaFill32(3, 0, (void *)OAM, OAM_SIZE);
+        DmaFill16(3, 0, (void *)(PLTT + 2), PLTT_SIZE - 2);
+        ResetPaletteFade();
+        gPlttBufferUnfaded[0] = RGB_WHITE;
+        gPlttBufferFaded[0] = RGB_WHITE;
+        gPlttBufferUnfaded[1] = RGB(5, 10, 14);
+        gPlttBufferFaded[1] = RGB(5, 10, 14);
+        for (i = 0; i < 0x10; i++)
+            ((u16 *)(VRAM + 0x20))[i] = 0x1111;
 
-            for (i = 0; i < 0x400; i++)
-                ((u16 *)(VRAM + 0xF000))[i] = 0x0001;
-            ResetTasks();
-            ResetSpriteData();
-            ResetBgsAndClearDma3BusyFlags(0);
-            InitBgsFromTemplates(0, sClearSaveBgTemplates, ARRAY_COUNT(sClearSaveBgTemplates));
-            SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
-            ShowBg(0);
-            ShowBg(3);
-            SetGpuReg(REG_OFFSET_BLDCNT, 0);
-            InitClearSaveDataScreenWindows();
-            BeginNormalPaletteFade(0x0000FFFF, 0, 0x10, 0, 0xFFFF);
-            EnableInterrupts(1);
-            SetVBlankCallback(VBlankCB);
-            gMain.state = 1;
-            break;
-        case 1:
-            UpdatePaletteFade();
-            if(!gPaletteFade.active)
-            {
-                SetMainCallback2(MainCB);
-                return TRUE;
-            }
+        for (i = 0; i < 0x400; i++)
+            ((u16 *)(VRAM + 0xF000))[i] = 0x0001;
+        ResetTasks();
+        ResetSpriteData();
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, sClearSaveBgTemplates, ARRAY_COUNT(sClearSaveBgTemplates));
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+        ShowBg(0);
+        ShowBg(3);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        InitClearSaveDataScreenWindows();
+        BeginNormalPaletteFade(0x0000FFFF, 0, 0x10, 0, 0xFFFF);
+        EnableInterrupts(INTR_FLAG_VBLANK);
+        SetVBlankCallback(VBlankCB);
+        gMain.state = 1;
+        break;
+    case 1:
+        UpdatePaletteFade();
+        if(!gPaletteFade.active)
+        {
+            SetMainCallback2(MainCB);
+            return TRUE;
+        }
     }
     return FALSE;
 }
@@ -182,18 +183,19 @@ static void CB2_FadeAndDoReset(void)
 {
     switch(gMain.state)
     {
-        case 0:
-        default:
-            BeginNormalPaletteFade(0x0000FFFF, 0, 0, 0x10, 0xFFFF);
-            gMain.state = 1;
-            break;
-        case 1:
-            UpdatePaletteFade();
-            if(!gPaletteFade.active)
-            {
-                FreeAllWindowBuffers();
-                DoSoftReset();
-            }
+    case 0:
+    default:
+        BeginNormalPaletteFade(0x0000FFFF, 0, 0, 0x10, 0xFFFF);
+        gMain.state = 1;
+        break;
+    case 1:
+        UpdatePaletteFade();
+        if(!gPaletteFade.active)
+        {
+            FreeAllWindowBuffers();
+            DoSoftReset();
+        }
+        break;
     }
 }
 
diff --git a/src/hall_of_fame.c b/src/hall_of_fame.c
index 22206405b..a197b7a18 100644
--- a/src/hall_of_fame.c
+++ b/src/hall_of_fame.c
@@ -521,7 +521,7 @@ static void Task_Hof_InitTeamSaveData(u8 taskId)
 static void Task_Hof_TrySaveData(u8 taskId)
 {
     gGameContinueCallback = CB2_DoHallOfFameScreenDontSaveData;
-    if (TrySavingData(3) == 0xFF && gDamagedSaveSectors != 0)
+    if (TrySavingData(SAVE_HALL_OF_FAME) == 0xFF && gDamagedSaveSectors != 0)
     {
         UnsetBgTilemapBuffer(1);
         UnsetBgTilemapBuffer(3);
diff --git a/src/load_save.c b/src/load_save.c
index 45b4d200b..960a98981 100644
--- a/src/load_save.c
+++ b/src/load_save.c
@@ -6,14 +6,15 @@
 #include "random.h"
 #include "malloc.h"
 #include "item.h"
+#include "overworld.h"
+#include "decoration_inventory.h"
+
+static void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey);
 
 extern void* gUnknown_0203CF5C;
 
 extern bool16 IdentifyFlash(void);
-extern void SetDecorationInventoriesPointers(void);
-extern void ApplyNewEncryptionKeyToGameStats(u32 key);
 extern void ApplyNewEncryptionKeyToBerryPowder(u32 key);
-extern void sub_8084FAC(int unused);
 
 #define SAVEBLOCK_MOVE_RANGE    128
 
@@ -286,7 +287,7 @@ void ApplyNewEncryptionKeyToWord(u32 *word, u32 newKey)
     *word ^= newKey;
 }
 
-void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey)
+static void ApplyNewEncryptionKeyToAllEncryptedData(u32 encryptionKey)
 {
     ApplyNewEncryptionKeyToGameStats(encryptionKey);
     ApplyNewEncryptionKeyToBagItems_(encryptionKey);
diff --git a/src/overworld.c b/src/overworld.c
index 69ac9c822..d73a89d33 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -764,7 +764,7 @@ void sub_8084F6C(u8 a1)
         SetWarpData(&gSaveBlock1Ptr->warp1, warp->group, warp->map, -1, warp->x, warp->y);
 }
 
-void sub_8084FAC(void)
+void sub_8084FAC(int unused)
 {
     gSaveBlock1Ptr->warp1 = gSaveBlock1Ptr->warp2;
 }
diff --git a/src/recorded_battle.c b/src/recorded_battle.c
index 50dd2efa8..5d79cb789 100644
--- a/src/recorded_battle.c
+++ b/src/recorded_battle.c
@@ -490,7 +490,7 @@ bool32 MoveRecordedBattleToSaveData(void)
 
 static bool32 TryCopyRecordedBattleSaveData(struct RecordedBattleSave *dst, struct SaveSection *saveBuffer)
 {
-    if (TryCopySpecialSaveSection(SECTION_ID_RECORDED_BATTLE, (void*)(saveBuffer)) != 1)
+    if (TryCopySpecialSaveSection(SECTOR_ID_RECORDED_BATTLE, (void*)(saveBuffer)) != 1)
         return FALSE;
 
     memcpy(dst, saveBuffer, sizeof(struct RecordedBattleSave));
diff --git a/src/save.c b/src/save.c
index 0bd48cca9..3ee98f4f7 100644
--- a/src/save.c
+++ b/src/save.c
@@ -1,15 +1,23 @@
 #include "global.h"
 #include "gba/flash_internal.h"
 #include "save.h"
-#include "constants/game_stat.h"
 #include "task.h"
 #include "decompress.h"
 #include "load_save.h"
 #include "overworld.h"
+#include "main.h"
+#include "constants/game_stat.h"
+
+static u16 CalculateChecksum(void *data, u16 size);
+static u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section);
+static u8 GetSaveValidStatus(const struct SaveSectionLocation *location);
+static u8 sub_8152E10(u16 a1, const struct SaveSectionLocation *location);
+static u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location);
+static u8 TryWriteSector(u8 sector, u8 *data);
+static u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location);
 
 // for the chunk declarations
 
-extern bool8 gSoftResetDisabled;
 extern u32 gUnknown_0203CF5C;
 
 // Divide save blocks into individual chunks to be written to flash sectors
@@ -24,7 +32,7 @@ extern u32 gUnknown_0203CF5C;
  * Sectors 0 - 13:      Save Slot 1
  * Sectors 14 - 27:     Save Slot 2
  * Sectors 28 - 29:     Hall of Fame
- * Sector 30:           e-Reader/Mystery Gift Stuff (note: e-Reader is deprecated in Emerald US)
+ * Sector 30:           Trainer Hill
  * Sector 31:           Recorded Battle
  *
  * There are two save slots for saving the player's game data. We alternate between
@@ -105,7 +113,7 @@ void Save_ResetSaveCounters(void)
     gDamagedSaveSectors = 0;
 }
 
-bool32 SetDamagedSectorBits(u8 op, u8 bit)
+static bool32 SetDamagedSectorBits(u8 op, u8 bit)
 {
     bool32 retVal = FALSE;
 
@@ -126,7 +134,7 @@ bool32 SetDamagedSectorBits(u8 op, u8 bit)
     return retVal;
 }
 
-u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location)
+static u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location)
 {
     u32 retVal;
     u16 i;
@@ -142,11 +150,11 @@ u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location)
         gLastKnownGoodSector = gLastWrittenSector; // backup the current written sector before attempting to write.
         gLastSaveCounter = gSaveCounter;
         gLastWrittenSector++;
-        gLastWrittenSector = gLastWrittenSector % 0xE; // array count save sector locations
+        gLastWrittenSector = gLastWrittenSector % SECTOR_SAVE_SLOT_LENGTH; // array count save sector locations
         gSaveCounter++;
         retVal = 1;
 
-        for (i = 0; i < 0xE; i++)
+        for (i = 0; i < SECTOR_SAVE_SLOT_LENGTH; i++)
             HandleWriteSector(i, location);
 
         if (gDamagedSaveSectors != 0) // skip the damaged sector.
@@ -160,7 +168,7 @@ u8 save_write_to_flash(u16 a1, const struct SaveSectionLocation *location)
     return retVal;
 }
 
-u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location)
+static u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 i;
     u16 sector;
@@ -168,8 +176,8 @@ u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location)
     u16 size;
 
     sector = a1 + gLastWrittenSector;
-    sector %= 0xE;
-    sector += 0xE * (gSaveCounter % 2);
+    sector %= SECTOR_SAVE_SLOT_LENGTH;
+    sector += SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
 
     data = location[a1].data;
     size = location[a1].size;
@@ -189,7 +197,7 @@ u8 HandleWriteSector(u16 a1, const struct SaveSectionLocation *location)
     return TryWriteSector(sector, gFastSaveSection->data);
 }
 
-u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size)
+static u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size)
 {
     u16 i;
     struct SaveSection *section = &gSaveDataBuffer;
@@ -206,7 +214,7 @@ u8 HandleWriteSectorNBytes(u8 sector, u8 *data, u16 size)
     return TryWriteSector(sector, section->data);
 }
 
-u8 TryWriteSector(u8 sector, u8 *data)
+static u8 TryWriteSector(u8 sector, u8 *data)
 {
     if (ProgramFlashSectorAndVerify(sector, data) != 0) // is damaged?
     {
@@ -220,20 +228,20 @@ u8 TryWriteSector(u8 sector, u8 *data)
     }
 }
 
-u32 RestoreSaveBackupVarsAndIncrement(const struct SaveSectionLocation *location) // location is unused
+static u32 RestoreSaveBackupVarsAndIncrement(const struct SaveSectionLocation *location) // location is unused
 {
     gFastSaveSection = &gSaveDataBuffer;
     gLastKnownGoodSector = gLastWrittenSector;
     gLastSaveCounter = gSaveCounter;
     gLastWrittenSector++;
-    gLastWrittenSector = gLastWrittenSector % 0xE;
+    gLastWrittenSector %= SECTOR_SAVE_SLOT_LENGTH;
     gSaveCounter++;
     gUnknown_03006208 = 0;
     gDamagedSaveSectors = 0;
     return 0;
 }
 
-u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location) // only ever called once, and gSaveBlock2 is passed to this function. location is unused
+static u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location) // only ever called once, and gSaveBlock2 is passed to this function. location is unused
 {
     gFastSaveSection = &gSaveDataBuffer;
     gLastKnownGoodSector = gLastWrittenSector;
@@ -243,7 +251,7 @@ u32 RestoreSaveBackupVars(const struct SaveSectionLocation *location) // only ev
     return 0;
 }
 
-u8 sub_81529D4(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_81529D4(u16 a1, const struct SaveSectionLocation *location)
 {
     u8 retVal;
 
@@ -267,7 +275,7 @@ u8 sub_81529D4(u16 a1, const struct SaveSectionLocation *location)
     return retVal;
 }
 
-u8 sub_8152A34(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_8152A34(u16 a1, const struct SaveSectionLocation *location)
 {
     u8 retVal = 1;
 
@@ -282,7 +290,7 @@ u8 sub_8152A34(u16 a1, const struct SaveSectionLocation *location)
     return retVal;
 }
 
-u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location)
+static u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 i;
     u16 sector;
@@ -291,8 +299,8 @@ u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location)
     u8 status;
 
     sector = a1 + gLastWrittenSector;
-    sector %= 0xE;
-    sector += 0xE * (gSaveCounter % 2);
+    sector %= SECTOR_SAVE_SLOT_LENGTH;
+    sector += SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
 
     data = location[a1].data;
     size = location[a1].size;
@@ -356,13 +364,13 @@ u8 ClearSaveData_2(u16 a1, const struct SaveSectionLocation *location)
     }
 }
 
-u8 sav12_xor_get(u16 a1, const struct SaveSectionLocation *location)
+static u8 sav12_xor_get(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 sector;
 
     sector = a1 + gLastWrittenSector; // no sub 1?
-    sector %= 0xE;
-    sector += 0xE * (gSaveCounter % 2);
+    sector %= SECTOR_SAVE_SLOT_LENGTH;
+    sector += SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
 
     if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), 0x25))
     {
@@ -379,13 +387,13 @@ u8 sav12_xor_get(u16 a1, const struct SaveSectionLocation *location)
     }
 }
 
-u8 sub_8152CAC(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_8152CAC(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 sector;
 
     sector = a1 + gLastWrittenSector - 1;
-    sector %= 0xE;
-    sector += 0xE * (gSaveCounter % 2);
+    sector %= SECTOR_SAVE_SLOT_LENGTH;
+    sector += SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
 
     if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), ((u8 *)gFastSaveSection)[sizeof(struct UnkSaveSection)]))
     {
@@ -402,13 +410,13 @@ u8 sub_8152CAC(u16 a1, const struct SaveSectionLocation *location)
     }
 }
 
-u8 sub_8152D44(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_8152D44(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 sector;
 
     sector = a1 + gLastWrittenSector - 1; // no sub 1?
-    sector %= 0xE;
-    sector += 0xE * (gSaveCounter % 2);
+    sector %= SECTOR_SAVE_SLOT_LENGTH;
+    sector += SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
 
     if (ProgramFlashByte(sector, sizeof(struct UnkSaveSection), 0x25))
     {
@@ -425,7 +433,7 @@ u8 sub_8152D44(u16 a1, const struct SaveSectionLocation *location)
     }
 }
 
-u8 sub_8152DD0(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_8152DD0(u16 a1, const struct SaveSectionLocation *location)
 {
     u8 retVal;
     gFastSaveSection = &gSaveDataBuffer;
@@ -442,14 +450,14 @@ u8 sub_8152DD0(u16 a1, const struct SaveSectionLocation *location)
     return retVal;
 }
 
-u8 sub_8152E10(u16 a1, const struct SaveSectionLocation *location)
+static u8 sub_8152E10(u16 a1, const struct SaveSectionLocation *location)
 {
     u16 i;
     u16 checksum;
-    u16 v3 = 0xE * (gSaveCounter % 2);
+    u16 v3 = SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
     u16 id;
 
-    for (i = 0; i < 0xE; i++)
+    for (i = 0; i < SECTOR_SAVE_SLOT_LENGTH; i++)
     {
         DoReadFlashWholeSection(i + v3, gFastSaveSection);
         id = gFastSaveSection->id;
@@ -468,7 +476,7 @@ u8 sub_8152E10(u16 a1, const struct SaveSectionLocation *location)
     return 1;
 }
 
-u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
+static u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
 {
     u16 i;
     u16 checksum;
@@ -480,7 +488,7 @@ u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
     u8 saveSlot2Status;
 
     // check save slot 1.
-    for (i = 0; i < 0xE; i++)
+    for (i = 0; i < SECTOR_SAVE_SLOT_LENGTH; i++)
     {
         DoReadFlashWholeSection(i, gFastSaveSection);
         if (gFastSaveSection->security == UNKNOWN_CHECK_VALUE)
@@ -511,9 +519,9 @@ u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
     securityPassed = FALSE;
 
     // check save slot 2.
-    for (i = 0; i < 0xE; i++)
+    for (i = 0; i < SECTOR_SAVE_SLOT_LENGTH; i++)
     {
-        DoReadFlashWholeSection(i + 0xE, gFastSaveSection);
+        DoReadFlashWholeSection(i + SECTOR_SAVE_SLOT_LENGTH, gFastSaveSection);
         if (gFastSaveSection->security == UNKNOWN_CHECK_VALUE)
         {
             securityPassed = TRUE;
@@ -543,24 +551,16 @@ u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
         if ((saveSlot1Counter == -1 && saveSlot2Counter == 0) || (saveSlot1Counter == 0 && saveSlot2Counter == -1))
         {
             if ((unsigned)(saveSlot1Counter + 1) < (unsigned)(saveSlot2Counter + 1))
-            {
                 gSaveCounter = saveSlot2Counter;
-            }
             else
-            {
                 gSaveCounter = saveSlot1Counter;
-            }
         }
         else
         {
             if (saveSlot1Counter < saveSlot2Counter)
-            {
                 gSaveCounter = saveSlot2Counter;
-            }
             else
-            {
                 gSaveCounter = saveSlot1Counter;
-            }
         }
         return 1;
     }
@@ -593,7 +593,7 @@ u8 GetSaveValidStatus(const struct SaveSectionLocation *location)
     return 2;
 }
 
-u8 sub_81530DC(u8 a1, u8 *data, u16 size)
+static u8 sub_81530DC(u8 a1, u8 *data, u16 size)
 {
     u16 i;
     struct SaveSection *section = &gSaveDataBuffer;
@@ -618,13 +618,13 @@ u8 sub_81530DC(u8 a1, u8 *data, u16 size)
     }
 }
 
-u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section)
+static u8 DoReadFlashWholeSection(u8 sector, struct SaveSection *section)
 {
     ReadFlash(sector, 0, section->data, sizeof(struct SaveSection));
     return 1;
 }
 
-u16 CalculateChecksum(void *data, u16 size)
+static u16 CalculateChecksum(void *data, u16 size)
 {
     u16 i;
     u32 checksum = 0;
@@ -635,7 +635,7 @@ u16 CalculateChecksum(void *data, u16 size)
     return ((checksum >> 16) + checksum);
 }
 
-void UpdateSaveAddresses(void)
+static void UpdateSaveAddresses(void)
 {
     int i = 0;
 
@@ -668,7 +668,7 @@ u8 HandleSavingData(u8 saveType)
     switch (saveType)
     {
     case SAVE_HALL_OF_FAME_ERASE_BEFORE: // deletes HOF before overwriting HOF completely. unused
-        for (i = 0xE * 2 + 0; i < 32; i++)
+        for (i = SECTOR_ID_HOF_1; i < SECTORS_COUNT; i++)
             EraseFlashSector(i);
     case SAVE_HALL_OF_FAME: // hall of fame.
         if (GetGameStat(GAME_STAT_ENTERED_HOF) < 999)
@@ -676,8 +676,8 @@ u8 HandleSavingData(u8 saveType)
         SaveSerializedGame();
         save_write_to_flash(0xFFFF, gRamSaveSectionLocations);
         tempAddr = gDecompressionBuffer;
-        HandleWriteSectorNBytes(0x1C, tempAddr, 0xF80);
-        HandleWriteSectorNBytes(0x1D, tempAddr + 0xF80, 0xF80);
+        HandleWriteSectorNBytes(SECTOR_ID_HOF_1, tempAddr, 0xF80);
+        HandleWriteSectorNBytes(SECTOR_ID_HOF_2, tempAddr + 0xF80, 0xF80);
         break;
     case SAVE_NORMAL: // normal save. also called by overwriting your own save.
     default:
@@ -692,7 +692,7 @@ u8 HandleSavingData(u8 saveType)
         for(i = 0; i < 5; i++)
             sav12_xor_get(i, gRamSaveSectionLocations);
         break;
-    // support for Ereader was removed in Emerald.
+    // Support for Ereader was removed in Emerald.
     /*
     case EREADER_SAVE: // used in mossdeep "game corner" before/after battling old man e-reader trainer
         SaveSerializedGame();
@@ -700,7 +700,7 @@ u8 HandleSavingData(u8 saveType)
         break;
     */
     case SAVE_OVERWRITE_DIFFERENT_FILE:
-        for (i = (0xE * 2 + 0); i < 32; i++)
+        for (i = SECTOR_ID_HOF_1; i < SECTORS_COUNT; i++)
             EraseFlashSector(i); // erase HOF.
         SaveSerializedGame();
         save_write_to_flash(0xFFFF, gRamSaveSectionLocations);
@@ -710,7 +710,7 @@ u8 HandleSavingData(u8 saveType)
     return 0;
 }
 
-u8 TrySavingData(u8 saveType) // TrySave
+u8 TrySavingData(u8 saveType)
 {
     if (gFlashMemoryPresent != TRUE)
     {
@@ -744,7 +744,7 @@ bool8 sub_8153380(void) // trade.s save
 
 bool8 sub_81533AC(void) // trade.s save
 {
-    u8 retVal = sub_81529D4(0xE, gRamSaveSectionLocations);
+    u8 retVal = sub_81529D4(SECTOR_SAVE_SLOT_LENGTH, gRamSaveSectionLocations);
     if (gDamagedSaveSectors)
         DoSaveFailedScreen(0);
     if (retVal == 0xFF)
@@ -755,7 +755,7 @@ bool8 sub_81533AC(void) // trade.s save
 
 u8 sub_81533E0(void) // trade.s save
 {
-    sub_8152A34(0xE, gRamSaveSectionLocations);
+    sub_8152A34(SECTOR_SAVE_SLOT_LENGTH, gRamSaveSectionLocations);
     if (gDamagedSaveSectors)
         DoSaveFailedScreen(0);
     return 0;
@@ -763,7 +763,7 @@ u8 sub_81533E0(void) // trade.s save
 
 u8 sub_8153408(void) // trade.s save
 {
-    sub_8152CAC(0xE, gRamSaveSectionLocations);
+    sub_8152CAC(SECTOR_SAVE_SLOT_LENGTH, gRamSaveSectionLocations);
     if (gDamagedSaveSectors)
         DoSaveFailedScreen(0);
     return 0;
@@ -840,8 +840,8 @@ u16 sub_815355C(void)
         return 0;
     UpdateSaveAddresses();
     GetSaveValidStatus(gRamSaveSectionLocations);
-    v3 = 0xE * (gSaveCounter % 2);
-    for (i = 0; i < 14; i++)
+    v3 = SECTOR_SAVE_SLOT_LENGTH * (gSaveCounter % 2);
+    for (i = 0; i < SECTOR_SAVE_SLOT_LENGTH; i++)
     {
         DoReadFlashWholeSection(i + v3, gFastSaveSection);
         if (gFastSaveSection->id == 0)
@@ -859,7 +859,7 @@ u32 TryCopySpecialSaveSection(u8 sector, u8* dst)
     s32 size;
     u8* savData;
 
-    if (sector != 30 && sector != 31)
+    if (sector != SECTOR_ID_TRAINER_HILL && sector != SECTOR_ID_RECORDED_BATTLE)
         return 0xFF;
     ReadFlash(sector, 0, (u8 *)&gSaveDataBuffer, sizeof(struct SaveSection));
     if (*(u32*)(&gSaveDataBuffer.data[0]) != 0xB39D)
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
index 010279a87..ede9fe672 100644
--- a/src/save_failed_screen.c
+++ b/src/save_failed_screen.c
@@ -17,12 +17,12 @@
 #define MSG_WIN_TOP 12
 #define CLOCK_WIN_TOP (MSG_WIN_TOP - 4)
 
-extern u8 gText_SaveFailedCheckingBackup[];
-extern u8 gText_BackupMemoryDamaged[];
-extern u8 gText_CheckCompleted[];
-extern u8 gText_SaveCompleteGameCannotContinue[];
-extern u8 gText_SaveCompletePressA[];
-extern u8 gText_GamePlayCannotBeContinued[];
+extern const u8 gText_SaveFailedCheckingBackup[];
+extern const u8 gText_BackupMemoryDamaged[];
+extern const u8 gText_CheckCompleted[];
+extern const u8 gText_SaveCompleteGameCannotContinue[];
+extern const u8 gText_SaveCompletePressA[];
+extern const u8 gText_GamePlayCannotBeContinued[];
 
 // gSaveFailedClockInfo enum
 enum
@@ -155,8 +155,8 @@ static void VBlankCB_UpdateClockGraphics(void);
 static bool8 VerifySectorWipe(u16 sector);
 static bool8 WipeSectors(u32);
 
-// although this is a general text printer, it's only used in this file.
-static void SaveFailedScreenTextPrint(u8 *text, u8 var1, u8 var2)
+// Although this is a general text printer, it's only used in this file.
+static void SaveFailedScreenTextPrint(const u8 *text, u8 var1, u8 var2)
 {
     u8 color[3];
 
@@ -187,72 +187,70 @@ static void CB2_SaveFailedScreen(void)
 {
     switch (gMain.state)
     {
-        case 0:
-        default:
-            SetVBlankCallback(NULL);
-            SetGpuReg(REG_OFFSET_DISPCNT, 0);
-            SetGpuReg(REG_OFFSET_BG3CNT, 0);
-            SetGpuReg(REG_OFFSET_BG2CNT, 0);
-            SetGpuReg(REG_OFFSET_BG1CNT, 0);
-            SetGpuReg(REG_OFFSET_BG0CNT, 0);
-            SetGpuReg(REG_OFFSET_BG3HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG3VOFS, 0);
-            SetGpuReg(REG_OFFSET_BG2HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG2VOFS, 0);
-            SetGpuReg(REG_OFFSET_BG1HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG1VOFS, 0);
-            SetGpuReg(REG_OFFSET_BG0HOFS, 0);
-            SetGpuReg(REG_OFFSET_BG0VOFS, 0);
-            // how come this doesnt use the Dma manager?
-            DmaFill16(3, 0, VRAM, VRAM_SIZE);
-            DmaFill32(3, 0, OAM, OAM_SIZE);
-            DmaFill16(3, 0, PLTT, PLTT_SIZE);
-            LZ77UnCompVram(gBirchHelpGfx, (void *)VRAM);
-            LZ77UnCompVram(gBirchBagTilemap, (void *)(VRAM + 0x7000));
-            LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x7800));
-            LZ77UnCompVram(sSaveFailedClockGfx, (void *)(VRAM + 0x10020));
-            ResetBgsAndClearDma3BusyFlags(0);
-            InitBgsFromTemplates(0, gUnknown_085EFD88, 3);
-            SetBgTilemapBuffer(0, (void *)&gDecompressionBuffer[0x2000]);
-            CpuFill32(0, &gDecompressionBuffer[0x2000], 0x800);
-            LoadBgTiles(0, gTextWindowFrame1_Gfx, 0x120, 0x214);
-            InitWindows(gUnknown_085EFD94);
-            // AddWindowWithoutTileMap returns a u16/integer, but the info is clobbered into a u8 here resulting in lost info. Bug?
-            gSaveFailedWindowIds[TEXT_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFD9C);
-            SetWindowAttribute(gSaveFailedWindowIds[TEXT_WIN_ID], 7, (u32)&gDecompressionBuffer[0x2800]);
-            gSaveFailedWindowIds[CLOCK_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFDA4);
-            SetWindowAttribute(gSaveFailedWindowIds[CLOCK_WIN_ID], 7, (u32)&gDecompressionBuffer[0x3D00]);
-            DeactivateAllTextPrinters();
-            ResetSpriteData();
-            ResetTasks();
-            ResetPaletteFade();
-            LoadPalette(gBirchBagGrassPal, 0, 0x40);
-            LoadPalette(sSaveFailedClockPal, 0x100, 0x20);
-            LoadPalette(gTextWindowFrame1_Pal, 0xE0, 0x20);
-            LoadPalette(gUnknown_0860F074, 0xF0, 0x20);
-            SetWindowBorderStyle(gSaveFailedWindowIds[TEXT_WIN_ID], FALSE, 0x214, 0xE);
-            SetWindowBorderStyle(gSaveFailedWindowIds[CLOCK_WIN_ID], FALSE, 0x214, 0xE);
-            FillWindowPixelBuffer(gSaveFailedWindowIds[CLOCK_WIN_ID], 0x11); // backwards?
-            FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11);
-            CopyWindowToVram(gSaveFailedWindowIds[CLOCK_WIN_ID], 2); // again?
-            CopyWindowToVram(gSaveFailedWindowIds[TEXT_WIN_ID], 1);
-            SaveFailedScreenTextPrint(gText_SaveFailedCheckingBackup, 1, 0);
-            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
-            EnableInterrupts(1);
-            SetVBlankCallback(VBlankCB);
-            SetGpuReg(0, 0x1040);
-            ShowBg(0);
-            ShowBg(2);
-            ShowBg(3);
-            gMain.state++;
-            break;
-        case 1:
-            if (!UpdatePaletteFade())
-            {
-                SetMainCallback2(CB2_WipeSave);
-                SetVBlankCallback(VBlankCB_UpdateClockGraphics);
-            }
-            break;
+    case 0:
+    default:
+        SetVBlankCallback(NULL);
+        SetGpuReg(REG_OFFSET_DISPCNT, 0);
+        SetGpuReg(REG_OFFSET_BG3CNT, 0);
+        SetGpuReg(REG_OFFSET_BG2CNT, 0);
+        SetGpuReg(REG_OFFSET_BG1CNT, 0);
+        SetGpuReg(REG_OFFSET_BG0CNT, 0);
+        SetGpuReg(REG_OFFSET_BG3HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG3VOFS, 0);
+        SetGpuReg(REG_OFFSET_BG2HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG2VOFS, 0);
+        SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG1VOFS, 0);
+        SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+        SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+        DmaFill16(3, 0, VRAM, VRAM_SIZE);
+        DmaFill32(3, 0, OAM, OAM_SIZE);
+        DmaFill16(3, 0, PLTT, PLTT_SIZE);
+        LZ77UnCompVram(gBirchHelpGfx, (void *)VRAM);
+        LZ77UnCompVram(gBirchBagTilemap, (void *)(VRAM + 0x7000));
+        LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x7800));
+        LZ77UnCompVram(sSaveFailedClockGfx, (void *)(VRAM + 0x10020));
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, gUnknown_085EFD88, 3);
+        SetBgTilemapBuffer(0, (void *)&gDecompressionBuffer[0x2000]);
+        CpuFill32(0, &gDecompressionBuffer[0x2000], 0x800);
+        LoadBgTiles(0, gTextWindowFrame1_Gfx, 0x120, 0x214);
+        InitWindows(gUnknown_085EFD94);
+        gSaveFailedWindowIds[TEXT_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFD9C);
+        SetWindowAttribute(gSaveFailedWindowIds[TEXT_WIN_ID], 7, (u32)&gDecompressionBuffer[0x2800]);
+        gSaveFailedWindowIds[CLOCK_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFDA4);
+        SetWindowAttribute(gSaveFailedWindowIds[CLOCK_WIN_ID], 7, (u32)&gDecompressionBuffer[0x3D00]);
+        DeactivateAllTextPrinters();
+        ResetSpriteData();
+        ResetTasks();
+        ResetPaletteFade();
+        LoadPalette(gBirchBagGrassPal, 0, 0x40);
+        LoadPalette(sSaveFailedClockPal, 0x100, 0x20);
+        LoadPalette(gTextWindowFrame1_Pal, 0xE0, 0x20);
+        LoadPalette(gUnknown_0860F074, 0xF0, 0x20);
+        SetWindowBorderStyle(gSaveFailedWindowIds[TEXT_WIN_ID], FALSE, 0x214, 0xE);
+        SetWindowBorderStyle(gSaveFailedWindowIds[CLOCK_WIN_ID], FALSE, 0x214, 0xE);
+        FillWindowPixelBuffer(gSaveFailedWindowIds[CLOCK_WIN_ID], 0x11); // backwards?
+        FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11);
+        CopyWindowToVram(gSaveFailedWindowIds[CLOCK_WIN_ID], 2); // again?
+        CopyWindowToVram(gSaveFailedWindowIds[TEXT_WIN_ID], 1);
+        SaveFailedScreenTextPrint(gText_SaveFailedCheckingBackup, 1, 0);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+        EnableInterrupts(1);
+        SetVBlankCallback(VBlankCB);
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+        ShowBg(0);
+        ShowBg(2);
+        ShowBg(3);
+        gMain.state++;
+        break;
+    case 1:
+        if (!UpdatePaletteFade())
+        {
+            SetMainCallback2(CB2_WipeSave);
+            SetVBlankCallback(VBlankCB_UpdateClockGraphics);
+        }
+        break;
     }
 }
 
@@ -346,7 +344,7 @@ static void CB2_ReturnToTitleScreen(void)
 
 static void VBlankCB_UpdateClockGraphics(void)
 {
-    unsigned int n = (gMain.vblankCounter2 >> 3) & 7;
+    u32 n = (gMain.vblankCounter2 >> 3) & 7;
 
     gMain.oamBuffer[0] = sClockOamData;
     gMain.oamBuffer[0].x = 112;
diff --git a/src/save_location.c b/src/save_location.c
index 262aaf40c..d49afa736 100644
--- a/src/save_location.c
+++ b/src/save_location.c
@@ -9,21 +9,18 @@
 
 static bool32 IsCurMapInLocationList(const u16 *list)
 {
+    s32 i;
     u16 locSum = (gSaveBlock1Ptr->location.mapGroup << 8) + (gSaveBlock1Ptr->location.mapNum);
 
-    // im sure it was written a different way, but for the love of christ I cant figure out how to write it different where it still matches.
-    if (*list != 0xFFFF)
+    for (i = 0; list[i] != 0xFFFF; i++)
     {
-        u16 termValue = 0xFFFF;
-        const u16 *localList;
-        for (localList = list; *localList != termValue; localList++)
-            if (*localList == locSum)
-                return TRUE;
+        if (list[i] == locSum)
+            return TRUE;
     }
+
     return FALSE;
 }
 
-// TODO: Not require a packed u16 array for these lists
 static const u16 sSaveLocationPokeCenterList[] =
 {
     MAP_OLDALE_TOWN_POKEMON_CENTER_1F,
@@ -72,7 +69,7 @@ static bool32 IsCurMapPokeCenter(void)
     return IsCurMapInLocationList(sSaveLocationPokeCenterList);
 }
 
-static const u16 sSaveLocationReloadLocList[] = // there's only 1 location, and it's presumed its for the save reload feature for battle tower
+static const u16 sSaveLocationReloadLocList[] = // There's only 1 location, and it's presumed its for the save reload feature for battle tower.
 {
     MAP_BATTLE_FRONTIER_BATTLE_TOWER_LOBBY,
     0xFFFF,
@@ -83,13 +80,13 @@ static bool32 IsCurMapReloadLocation(void)
     return IsCurMapInLocationList(sSaveLocationReloadLocList);
 }
 
-// nulled out list. unknown what this would have been
+// Nulled out list. Unknown what this would have been.
 static const u16 sUnknown_0861440E[] =
 {
     0xFFFF,
 };
 
-bool32 sub_81AFCEC(void)
+static bool32 sub_81AFCEC(void)
 {
     return IsCurMapInLocationList(sUnknown_0861440E);
 }