Finish save_failed_screen

12 files changed, 162 insertions, 374 deletions

diff --git a/asm/save_failed_screen.s b/asm/save_failed_screen.s
deleted file mode 100644
index 4d95ba17d..000000000
--- a/asm/save_failed_screen.s
+++ /dev/null
@@ -1,312 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_80F5350
-sub_80F5350: @ 80F5350
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	ldr r4, [sp, 0x20]
-	ldr r5, [sp, 0x24]
-	lsls r0, 16
-	lsrs r6, r0, 16
-	lsls r1, 24
-	lsrs r1, 24
-	mov r9, r1
-	lsls r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	mov r8, r3
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 16
-	lsrs r7, r5, 16
-	lsrs r0, r2, 24
-	adds r2, r0, r4
-	cmp r0, r2
-	bge _080F53B6
-	mov r12, r2
-	ldr r1, _080F53C8 @ =gDecompressionBuffer + 0x3800
-	mov r10, r1
-_080F5386:
-	mov r4, r9
-	mov r2, r8
-	adds r1, r4, r2
-	adds r3, r0, 0x1
-	cmp r4, r1
-	bge _080F53AE
-	lsls r2, r0, 6
-	mov r5, r10
-_080F5396:
-	lsls r0, r4, 1
-	adds r0, r2, r0
-	adds r0, r5
-	strh r6, [r0]
-	adds r0, r6, r7
-	lsls r0, 16
-	lsrs r6, r0, 16
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, r1
-	blt _080F5396
-_080F53AE:
-	lsls r0, r3, 16
-	lsrs r0, 16
-	cmp r0, r12
-	blt _080F5386
-_080F53B6:
-	bl sub_80F5318
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F53C8: .4byte gDecompressionBuffer + 0x3800
-	thumb_func_end sub_80F5350
-
-	thumb_func_start sub_80F53CC
-sub_80F53CC: @ 80F53CC
-	push {lr}
-	sub sp, 0x8
-	movs r0, 0xA
-	str r0, [sp]
-	movs r0, 0x1
-	str r0, [sp, 0x4]
-	movs r1, 0x1
-	movs r2, 0x5
-	movs r3, 0x1C
-	bl sub_80F5350
-	add sp, 0x8
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F53CC
-
-	thumb_func_start sub_80F53E8
-sub_80F53E8: @ 80F53E8
-	push {lr}
-	sub sp, 0x8
-	movs r0, 0x14
-	str r0, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x1E
-	bl sub_80F5350
-	add sp, 0x8
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F53E8
-
-	thumb_func_start sub_80F5404
-sub_80F5404: @ 80F5404
-	push {r4,r5,lr}
-	sub sp, 0x10
-	adds r5, r0, 0
-	movs r0, 0x2
-	movs r1, 0x1
-	movs r2, 0x3
-	bl GenerateFontHalfRowLookupTable
-	add r1, sp, 0xC
-	ldr r2, _080F544C @ =0x00001111
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r4, _080F5450 @ =gDecompressionBuffer + 0x020
-	ldr r2, _080F5454 @ =0x01001180
-	adds r0, r1, 0
-	adds r1, r4, 0
-	bl CpuSet
-	movs r0, 0x2
-	str r0, [sp]
-	movs r0, 0x1C
-	str r0, [sp, 0x4]
-	movs r0, 0xA
-	str r0, [sp, 0x8]
-	movs r0, 0x2
-	adds r1, r4, 0
-	adds r2, r5, 0
-	movs r3, 0x2
-	bl HelpSystemRenderText
-	bl sub_80F5334
-	add sp, 0x10
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F544C: .4byte 0x00001111
-_080F5450: .4byte gDecompressionBuffer + 0x020
-_080F5454: .4byte 0x01001180
-	thumb_func_end sub_80F5404
-
-	thumb_func_start sub_80F5458
-sub_80F5458: @ 80F5458
-	push {r4,r5,lr}
-	movs r5, 0
-	ldr r0, _080F5490 @ =gDamagedSaveSectors
-	ldr r1, [r0]
-	adds r4, r0, 0
-	cmp r1, 0
-	beq _080F548C
-_080F5466:
-	ldr r0, [r4]
-	bl sub_80F5540
-	cmp r0, 0
-	bne _080F5498
-	ldr r0, _080F5494 @ =gUnknown_203AB4C
-	ldrb r0, [r0]
-	bl HandleSavingData
-	adds r5, 0x1
-	ldr r0, [r4]
-	cmp r0, 0
-	beq _080F548C
-	ldr r4, _080F5490 @ =gDamagedSaveSectors
-	cmp r5, 0x2
-	ble _080F5466
-	ldr r0, [r4]
-	cmp r0, 0
-	bne _080F5498
-_080F548C:
-	movs r0, 0x1
-	b _080F549A
-	.align 2, 0
-_080F5490: .4byte gDamagedSaveSectors
-_080F5494: .4byte gUnknown_203AB4C
-_080F5498:
-	movs r0, 0
-_080F549A:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80F5458
-
-	thumb_func_start VerifySectorWipe
-VerifySectorWipe: @ 80F54A0
-	push {r4,lr}
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r4, _080F54C4 @ =gSaveDataBuffer
-	movs r3, 0x80
-	lsls r3, 5
-	movs r1, 0
-	adds r2, r4, 0
-	bl ReadFlash
-	movs r1, 0
-	ldr r2, _080F54C8 @ =0x000003ff
-_080F54B8:
-	ldr r0, [r4]
-	cmp r0, 0
-	beq _080F54CC
-	movs r0, 0x1
-	b _080F54DA
-	.align 2, 0
-_080F54C4: .4byte gSaveDataBuffer
-_080F54C8: .4byte 0x000003ff
-_080F54CC:
-	adds r0, r1, 0x1
-	lsls r0, 16
-	lsrs r1, r0, 16
-	adds r4, 0x4
-	cmp r1, r2
-	bls _080F54B8
-	movs r0, 0
-_080F54DA:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end VerifySectorWipe
-
-	thumb_func_start WipeSector
-WipeSector: @ 80F54E0
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	adds r7, r0, 0
-	movs r0, 0
-	lsls r6, r7, 16
-	ldr r1, _080F5538 @ =ProgramFlashByte
-	mov r9, r1
-	ldr r1, _080F553C @ =0x00000fff
-	mov r8, r1
-_080F54F6:
-	movs r4, 0
-	adds r5, r0, 0x1
-_080F54FA:
-	mov r0, r9
-	ldr r3, [r0]
-	lsrs r0, r6, 16
-	adds r1, r4, 0
-	movs r2, 0
-	bl _call_via_r3
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, r8
-	bls _080F54FA
-	adds r0, r7, 0
-	bl VerifySectorWipe
-	lsls r0, 16
-	lsrs r1, r0, 16
-	lsls r0, r5, 16
-	lsrs r0, 16
-	cmp r1, 0
-	beq _080F5528
-	cmp r0, 0x81
-	bls _080F54F6
-_080F5528:
-	adds r0, r1, 0
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080F5538: .4byte ProgramFlashByte
-_080F553C: .4byte 0x00000fff
-	thumb_func_end WipeSector
-
-	thumb_func_start sub_80F5540
-sub_80F5540: @ 80F5540
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r6, 0
-_080F5546:
-	movs r4, 0x1
-	lsls r4, r6
-	adds r0, r5, 0
-	ands r0, r4
-	cmp r0, 0
-	beq _080F555E
-	adds r0, r6, 0
-	bl WipeSector
-	cmp r0, 0
-	bne _080F555E
-	bics r5, r4
-_080F555E:
-	adds r6, 0x1
-	cmp r6, 0x1F
-	ble _080F5546
-	cmp r5, 0
-	beq _080F556C
-	movs r0, 0x1
-	b _080F556E
-_080F556C:
-	movs r0, 0
-_080F556E:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80F5540
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/common_syms/save_failed_screen.txt b/common_syms/save_failed_screen.txt
new file mode 100644
index 000000000..caab09b26
--- /dev/null
+++ b/common_syms/save_failed_screen.txt
@@ -0,0 +1 @@
+sIsInSaveFailedScreen
diff --git a/data/save_failed_screen.s b/data/save_failed_screen.s
index e19763962..7b0827b6c 100644
--- a/data/save_failed_screen.s
+++ b/data/save_failed_screen.s
@@ -5,6 +5,3 @@
 	.include "constants/constants.inc"
 	.section .rodata
 	.align 2
-
-gUnknown_841EE44:: @ 841EE44
-	.incbin "graphics/interface/save_failed_screen.gbapal"
diff --git a/data/strings.s b/data/strings.s
index a9c76b88e..55c54f6c3 100644
--- a/data/strings.s
+++ b/data/strings.s
@@ -2465,14 +2465,14 @@ gUnknown_8418C62:: @ 0x8418C62
 gUnknown_8418C6F:: @ 0x8418C6F
 	.string "もう これいじょう たべない みたい‥$"
 
-gUnknown_8418C83:: @ 8418C83
+gText_SaveFailedScreen_CheckingBackupMemory:: @ 8418C83
 	.string "Save failed.\n"
 	.string "Checking the backup memory‥\n"
 	.string "Please wait.\n"
 	.string "“Time required:\n"
 	.string "about 1 minute”$"
 
-gUnknown_8418CD9:: @ 8418CD9
+gText_SaveFailedScreen_BackupMemoryDamaged:: @ 8418CD9
 	.string "The backup memory is damaged or\n"
 	.string "the game's battery has run dry.\n"
 	.string "The game can be played, but its\n"
@@ -2493,7 +2493,7 @@ gUnknown_8418DC9:: @ 0x8418DC9
 	.string "{COLOR RED}“このまま ぼうけんをつづけることは できません\n"
 	.string "タイトルに もどります”$"
 
-gUnknown_8418E09:: @ 8418E09
+gText_SaveFailedScreen_SaveCompleted:: @ 8418E09
 	.string "Save completed.\n"
 	.string "“Please press the A Button.”$"
 
diff --git a/include/help_system.h b/include/help_system.h
index 53dc45014..273b5e119 100644
--- a/include/help_system.h
+++ b/include/help_system.h
@@ -91,5 +91,6 @@ void PlaceListMenuCursor(void);
 bool8 MoveCursor(u8 by, u8 dirn);
 void HelpSystem_BackupSomeVariable(void);
 void HelpSystem_RestoreSomeVariable(void);
+void HelpSystemRenderText(u8 font, u8 * dest, const u8 * src, u8 x, u8 y, u8 width, u8 height);
 
 #endif //GUARD_HELP_SYSTEM_H
diff --git a/include/save_failed_screen.h b/include/save_failed_screen.h
index 5950430d2..7056fc6c6 100644
--- a/include/save_failed_screen.h
+++ b/include/save_failed_screen.h
@@ -2,7 +2,7 @@
 #define GUARD_SAVE_FAILED_SCREEN_H
 
 extern void DoSaveFailedScreen(u8 saveType); // save_failed_screen
-void sub_80F50F4(void);
-bool32 sub_80F5118(void);
+void SetNotInSaveFailedScreen(void);
+bool32 RunSaveFailedScreen(void);
 
 #endif //GUARD_SAVE_FAILED_SCREEN_H
diff --git a/include/strings.h b/include/strings.h
index c463b45b7..eace8d67e 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -1034,8 +1034,8 @@ extern const u8 gText_RegionMap_AreaDesc_PatternBush[];
 extern const u8 gText_RegionMap_AreaDesc_DottedHole[];
 
 // save_failed_screen
-extern const u8 gUnknown_8418C83[];
-extern const u8 gUnknown_8418CD9[];
-extern const u8 gUnknown_8418E09[];
+extern const u8 gText_SaveFailedScreen_CheckingBackupMemory[];
+extern const u8 gText_SaveFailedScreen_BackupMemoryDamaged[];
+extern const u8 gText_SaveFailedScreen_SaveCompleted[];
 
 #endif //GUARD_STRINGS_H
diff --git a/ld_script.txt b/ld_script.txt
index 8b3da8303..f07e480a2 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -218,7 +218,6 @@ SECTIONS {
         src/credits.o(.text);
         src/diploma.o(.text);
         src/save_failed_screen.o(.text);
-        asm/save_failed_screen.o(.text);
         asm/clear_save_data_screen.o(.text);
         src/evolution_graphics.o(.text);
         src/fldeff_teleport.o(.text);
@@ -506,7 +505,7 @@ SECTIONS {
         src/credits.o(.rodata);
         src/diploma.o(.rodata);
         data/strings.o(.rodata);
-        data/save_failed_screen.o(.rodata);
+        src/save_failed_screen.o(.rodata);
         data/clear_save_data_screen.o(.rodata);
         src/evolution_graphics.o(.rodata);
         src/new_menu_helpers.o(.rodata);
diff --git a/src/main.c b/src/main.c
index 336584ab3..b88326cda 100644
--- a/src/main.c
+++ b/src/main.c
@@ -115,7 +115,7 @@ void AgbMain()
     gSoftResetDisabled = FALSE;
     gHelpSystemEnabled = FALSE;
 
-    sub_80F50F4();
+    SetNotInSaveFailedScreen();
 
     AGBPrintInit();
 
@@ -186,7 +186,7 @@ static void InitMainCallbacks(void)
 
 static void CallCallbacks(void)
 {
-    if (!sub_80F5118() && !RunHelpSystemCallback())
+    if (!RunSaveFailedScreen() && !RunHelpSystemCallback())
     {
         if (gMain.callback1)
             gMain.callback1();
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
index dda0515a0..4065bccef 100644
--- a/src/save_failed_screen.c
+++ b/src/save_failed_screen.c
@@ -1,65 +1,70 @@
 #include "global.h"
 #include "decompress.h"
 #include "dma3.h"
+#include "gba/flash_internal.h"
 #include "gpu_regs.h"
 #include "help_system.h"
 #include "m4a.h"
 #include "save.h"
 #include "save_failed_screen.h"
 #include "strings.h"
+#include "text.h"
 
-bool32 gUnknown_3005430;
-EWRAM_DATA u16 gUnknown_203AB4C = SAVE_NORMAL;
-EWRAM_DATA u8 gUnknown_203AB50 = 0;
+bool32 sIsInSaveFailedScreen;
 
-void sub_80F52EC(void);
-void sub_80F53CC(void);
-void sub_80F53E8(void);
-void sub_80F5404(const u8 *a0);
-bool32 sub_80F5458(void);
+static EWRAM_DATA u16 sSaveType = SAVE_NORMAL;
+static EWRAM_DATA u16 unused_203AB4E = 0;
+static EWRAM_DATA u8 sSaveFailedScreenState = 0;
 
-extern const u16 gUnknown_841EE44[];
+static void BlankPalettes(void);
+static void UpdateMapBufferWithText(void);
+static void ClearMapBuffer(void);
+static void PrintTextOnSaveFailedScreen(const u8 *a0);
+static bool32 TryWipeDamagedSectors(void);
+static bool32 WipeDamagedSectors(u32 damagedSectors);
 
-void sub_80F50F4(void)
+static const u16 sSaveFailedScreenPals[] = INCBIN_U16("graphics/interface/save_failed_screen.gbapal");
+
+void SetNotInSaveFailedScreen(void)
 {
-    gUnknown_3005430 = FALSE;
+    sIsInSaveFailedScreen = FALSE;
 }
 
 void DoSaveFailedScreen(u8 saveType)
 {
-    gUnknown_203AB4C = saveType;
-    gUnknown_3005430 = TRUE;
+    sSaveType = saveType;
+    sIsInSaveFailedScreen = TRUE;
 }
 
-bool32 sub_80F5118(void)
+bool32 RunSaveFailedScreen(void)
 {
-    switch (gUnknown_203AB50)
+    switch (sSaveFailedScreenState)
     {
     case 0:
-        if (!gUnknown_3005430)
+        if (!sIsInSaveFailedScreen)
             return FALSE;
         m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 128);
         SaveCallbacks();
-        gUnknown_203AB50 = 1;
+        sSaveFailedScreenState = 1;
         break;
     case 1:
         SaveMapTiles();
         SaveMapGPURegs();
         SaveMapTextColors();
-        sub_80F52EC();
+        BlankPalettes();
         SetGpuReg(REG_OFFSET_DISPCNT, 0);
-        gUnknown_203AB50 = 2;
+        sSaveFailedScreenState = 2;
         break;
     case 2:
         RequestDma3Fill(0, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, 0);
-        RequestDma3Copy(gUnknown_841EE44, (void *)PLTT, 0x20, 0);
-        gUnknown_203AB50 = 3;
+        RequestDma3Copy(sSaveFailedScreenPals, (void *)PLTT, 0x20, 0);
+        sSaveFailedScreenState = 3;
         break;
     case 3:
-        sub_80F53E8();
-        sub_80F5404(gUnknown_8418C83);
-        sub_80F53CC();
-        gUnknown_203AB50 = 4;
+        ClearMapBuffer();
+        PrintTextOnSaveFailedScreen(gText_SaveFailedScreen_CheckingBackupMemory);
+        UpdateMapBufferWithText();
+        sSaveFailedScreenState = 4;
         break;
     case 4:
         SetGpuReg(REG_OFFSET_BLDCNT, 0);
@@ -67,44 +72,44 @@ bool32 sub_80F5118(void)
         SetGpuReg(REG_OFFSET_BG0VOFS, 0);
         SetGpuReg(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(0) | BGCNT_CHARBASE(3) | BGCNT_SCREENBASE(31));
         SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_BG0_ON);
-        gUnknown_203AB50 = 5;
+        sSaveFailedScreenState = 5;
         break;
     case 5:
-        if (sub_80F5458() == TRUE)
+        if (TryWipeDamagedSectors() == TRUE)
         {
             gSaveSucceeded = SAVE_STATUS_OK;
-            sub_80F5404(gUnknown_8418E09);
+            PrintTextOnSaveFailedScreen(gText_SaveFailedScreen_SaveCompleted);
         }
         else
         {
             gSaveSucceeded = SAVE_STATUS_ERROR;
-            sub_80F5404(gUnknown_8418CD9);
+            PrintTextOnSaveFailedScreen(gText_SaveFailedScreen_BackupMemoryDamaged);
         }
-        gUnknown_203AB50 = 6;
+        sSaveFailedScreenState = 6;
         break;
     case 6:
         if (JOY_NEW(A_BUTTON))
-            gUnknown_203AB50 = 7;
+            sSaveFailedScreenState = 7;
         break;
     case 7:
         SetGpuReg(REG_OFFSET_DISPCNT, 0);
         RestoreMapTiles();
-        sub_80F52EC();
-        gUnknown_203AB50 = 8;
+        BlankPalettes();
+        sSaveFailedScreenState = 8;
         break;
     case 8:
         m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 256);
         RestoreMapTextColors();
         RestoreGPURegs();
         RestoreCallbacks();
-        gUnknown_3005430 = FALSE;
-        gUnknown_203AB50 = 0;
+        sIsInSaveFailedScreen = FALSE;
+        sSaveFailedScreenState = 0;
         break;
     }
     return TRUE;
 }
 
-void sub_80F52EC(void)
+static void BlankPalettes(void)
 {
     int i;
     for (i = 0; i < BG_PLTT_SIZE; i += sizeof(u16))
@@ -114,12 +119,113 @@ void sub_80F52EC(void)
     }
 }
 
-void sub_80F5318(void)
+static void RequestDmaCopyFromScreenBuffer(void)
 {
     RequestDma3Copy(gDecompressionBuffer + 0x3800, (void *)BG_SCREEN_ADDR(31), 0x500, 0);
 }
 
-void sub_80F5334(void)
+static void RequestDmaCopyFromCharBuffer(void)
 {
     RequestDma3Copy(gDecompressionBuffer + 0x020, (void *)BG_CHAR_ADDR(3) + 0x20, 0x2300, 0);
 }
+
+static void FillBgMapBufferRect(u16 baseBlock, u8 left, u8 top, u8 width, u8 height, u16 blockOffset)
+{
+    u16 i, j;
+
+    for (i = top; i < top + height; i++)
+    {
+        for (j = left; j < left + width; j++)
+        {
+            *((u16 *)(gDecompressionBuffer + 0x3800 + 64 * i + 2 * j)) = baseBlock;
+            baseBlock += blockOffset;
+        }
+    }
+    RequestDmaCopyFromScreenBuffer();
+}
+
+static void UpdateMapBufferWithText(void)
+{
+    FillBgMapBufferRect(0x001, 1, 5, 28, 10, 0x001);
+}
+
+static void ClearMapBuffer(void)
+{
+    FillBgMapBufferRect(0x000, 0, 0, 30, 20, 0x000);
+}
+
+static void PrintTextOnSaveFailedScreen(const u8 *str)
+{
+    GenerateFontHalfRowLookupTable(TEXT_COLOR_DARK_GREY, TEXT_COLOR_WHITE, TEXT_COLOR_LIGHT_GREY);
+    CpuFill16(PIXEL_FILL(1) | (PIXEL_FILL(1) << 8), gDecompressionBuffer + 0x20, 0x2300);
+    HelpSystemRenderText(2, gDecompressionBuffer + 0x20, str, 2, 2, 28, 10);
+    RequestDmaCopyFromCharBuffer();
+}
+
+static bool32 TryWipeDamagedSectors(void)
+{
+    int i = 0;
+    for (i = 0; gDamagedSaveSectors != 0 && i < 3; i++)
+    {
+        if (WipeDamagedSectors(gDamagedSaveSectors))
+            return FALSE;
+        HandleSavingData(sSaveType);
+    }
+    if (gDamagedSaveSectors != 0)
+        return FALSE;
+    return TRUE;
+}
+
+static bool16 VerifySectorWipe(u32 sector)
+{
+    u16 sector0 = sector;
+    u16 i;
+    u32 *saveDataBuffer = (void *)&gSaveDataBuffer;
+    ReadFlash(sector0, 0, saveDataBuffer, 0x1000);
+    for (i = 0; i < 0x1000 / 4; i++, saveDataBuffer++)
+    {
+        if (*saveDataBuffer != 0)
+            return TRUE;
+    }
+    return FALSE;
+}
+
+static bool32 WipeSector(u32 sector)
+{
+    bool32 result;
+    u16 i, j;
+
+    i = 0;
+    while (i < 130)
+    {
+        for (j = 0; j < 0x1000; j++)
+        {
+            ProgramFlashByte(sector, j, 0);
+        }
+        result = VerifySectorWipe(sector);
+        i++;
+        if (!result)
+            break;
+    }
+
+    return result;
+}
+
+static bool32 WipeDamagedSectors(u32 damagedSectors)
+{
+    int i;
+    for (i = 0; i < 32; i++)
+    {
+        if (damagedSectors & (1 << i))
+        {
+            if (!WipeSector(i))
+            {
+                damagedSectors &= ~(1 << i);
+            }
+        }
+    }
+    if (damagedSectors == 0)
+        return FALSE;
+    else
+        return TRUE;
+}
diff --git a/sym_common.txt b/sym_common.txt
index 9f39f9f2b..8367a6816 100644
--- a/sym_common.txt
+++ b/sym_common.txt
@@ -71,10 +71,8 @@ gUnknown_3005078: @ 3005078
 	.include "save.o"
 	.align 2
 	.include "battle_anim_special.o"
-
-gUnknown_3005430: @ 3005430
-	.space 0x10
-
+	.align 2
+	.include "save_failed_screen.o"
 	.align 4
 	.include "link_rfu_2.o"
 	.align 4
diff --git a/sym_ewram.txt b/sym_ewram.txt
index 921ae98d0..74d051544 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -306,15 +306,13 @@ gUnknown_203998C: @ 203998C
 	.include "src/diploma.o"
 
 	.align 2
-gUnknown_203AB4C: @ 203AB4C
-	.space 0x4
-
-gUnknown_203AB50: @ 203AB50
-	.space 0x4
+	.include "src/save_failed_screen.o"
 
+	.align 2
 gUnknown_203AB54: @ 203AB54
 	.space 0x4
 
+	.align 2
 	.include "src/new_menu_helpers.o"
 	.align 2
 	.include "src/box_party_pokemon_dropdown.o"