sub_812C3F8

5 files changed, 130 insertions, 271 deletions

diff --git a/asm/fame_checker.s b/asm/fame_checker.s
index d0236d696..949de51f9 100644
--- a/asm/fame_checker.s
+++ b/asm/fame_checker.s
@@ -5,247 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_812C3F8
-sub_812C3F8: @ 812C3F8
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	sub sp, 0xC
-	ldr r0, _0812C41C @ =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x7
-	bls _0812C410
-	b _0812C626
-_0812C410:
-	lsls r0, 2
-	ldr r1, _0812C420 @ =_0812C424
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0812C41C: .4byte gMain
-_0812C420: .4byte _0812C424
-	.align 2, 0
-_0812C424:
-	.4byte _0812C444
-	.4byte _0812C450
-	.4byte _0812C456
-	.4byte _0812C4C0
-	.4byte _0812C540
-	.4byte _0812C578
-	.4byte _0812C5A0
-	.4byte _0812C5D4
-_0812C444:
-	movs r0, 0
-	bl SetVBlankCallback
-	bl sub_812D420
-	b _0812C5BE
-_0812C450:
-	bl sub_812D558
-	b _0812C5BE
-_0812C456:
-	ldr r6, _0812C4B0 @ =gUnknown_203B0F0
-	movs r4, 0x80
-	lsls r4, 4
-	adds r0, r4, 0
-	bl AllocZeroed
-	str r0, [r6]
-	ldr r1, _0812C4B4 @ =gUnknown_203B0F4
-	mov r8, r1
-	movs r0, 0x80
-	lsls r0, 5
-	bl AllocZeroed
-	mov r1, r8
-	str r0, [r1]
-	ldr r5, _0812C4B8 @ =gUnknown_203B0F8
-	adds r0, r4, 0
-	bl AllocZeroed
-	str r0, [r5]
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, _0812C4BC @ =gUnknown_845FBF4
-	movs r0, 0
-	movs r2, 0x4
-	bl InitBgsFromTemplates
-	ldr r1, [r6]
-	movs r0, 0x3
-	bl SetBgTilemapBuffer
-	ldr r1, [r5]
-	movs r0, 0x2
-	bl SetBgTilemapBuffer
-	mov r0, r8
-	ldr r1, [r0]
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	bl sub_812D594
-	b _0812C5BE
-	.align 2, 0
-_0812C4B0: .4byte gUnknown_203B0F0
-_0812C4B4: .4byte gUnknown_203B0F4
-_0812C4B8: .4byte gUnknown_203B0F8
-_0812C4BC: .4byte gUnknown_845FBF4
-_0812C4C0:
-	ldr r1, _0812C52C @ =gUnknown_8E9F260
-	movs r2, 0xA5
-	lsls r2, 5
-	movs r0, 0x3
-	movs r3, 0
-	bl LoadBgTiles
-	ldr r1, _0812C530 @ =gUnknown_8EA0700
-	movs r5, 0x20
-	str r5, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x3
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBufferRect
-	ldr r4, _0812C534 @ =gUnknown_8E9F220
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x40
-	bl LoadPalette
-	adds r4, 0x20
-	adds r0, r4, 0
-	movs r1, 0x10
-	movs r2, 0x20
-	bl LoadPalette
-	ldr r1, _0812C538 @ =gUnknown_8EA0F00
-	str r5, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x2
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBufferRect
-	ldr r1, _0812C53C @ =gUnknown_845C600
-	str r5, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x11
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	movs r2, 0x1E
-	movs r3, 0
-	bl CopyToBgTilemapBufferRect_ChangePalette
-	movs r0, 0x2
-	bl stdpal_get
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	b _0812C5BE
-	.align 2, 0
-_0812C52C: .4byte gUnknown_8E9F260
-_0812C530: .4byte gUnknown_8EA0700
-_0812C534: .4byte gUnknown_8E9F220
-_0812C538: .4byte gUnknown_8EA0F00
-_0812C53C: .4byte gUnknown_845C600
-_0812C540:
-	bl IsDma3ManagerBusyWithBgCopy
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _0812C626
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x2
-	bl ShowBg
-	movs r0, 0x3
-	bl ShowBg
-	movs r0, 0x3
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x2
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	b _0812C5BE
-_0812C578:
-	ldr r0, _0812C598 @ =gUnknown_845FC04
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	bl sub_812CEC0
-	ldr r4, _0812C59C @ =gUnknown_203B100
-	movs r0, 0x88
-	bl AllocZeroed
-	str r0, [r4]
-	bl sub_812DB28
-	b _0812C5BE
-	.align 2, 0
-_0812C598: .4byte gUnknown_845FC04
-_0812C59C: .4byte gUnknown_203B100
-_0812C5A0:
-	bl sub_812C648
-	movs r0, 0
-	bl sub_812D1A8
-	bl sub_812CE9C
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-_0812C5BE:
-	ldr r1, _0812C5D0 @ =gMain
-	movs r0, 0x87
-	lsls r0, 3
-	adds r1, r0
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _0812C626
-	.align 2, 0
-_0812C5D0: .4byte gMain
-_0812C5D4:
-	bl sub_812D584
-	movs r1, 0xFD
-	lsls r1, 6
-	movs r0, 0x50
-	bl SetGpuReg
-	movs r0, 0x52
-	movs r1, 0x7
-	bl SetGpuReg
-	movs r0, 0x54
-	movs r1, 0x8
-	bl SetGpuReg
-	ldr r0, _0812C634 @ =sub_812C380
-	bl SetVBlankCallback
-	ldr r0, _0812C638 @ =gUnknown_203B0FC
-	ldr r1, [r0]
-	movs r4, 0
-	movs r0, 0
-	strh r0, [r1, 0x4]
-	bl sub_812E000
-	movs r0, 0x1
-	movs r1, 0x4
-	bl sub_812E178
-	ldr r0, _0812C63C @ =sub_812C664
-	movs r1, 0x8
-	bl CreateTask
-	ldr r0, _0812C640 @ =sub_812C394
-	bl SetMainCallback2
-	ldr r0, _0812C644 @ =gMain
-	movs r1, 0x87
-	lsls r1, 3
-	adds r0, r1
-	strb r4, [r0]
-_0812C626:
-	add sp, 0xC
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0812C634: .4byte sub_812C380
-_0812C638: .4byte gUnknown_203B0FC
-_0812C63C: .4byte sub_812C664
-_0812C640: .4byte sub_812C394
-_0812C644: .4byte gMain
-	thumb_func_end sub_812C3F8
-
 	thumb_func_start sub_812C648
 sub_812C648: @ 812C648
 	push {lr}
diff --git a/include/bg.h b/include/bg.h
index 55927a5a4..003ffc916 100644
--- a/include/bg.h
+++ b/include/bg.h
@@ -77,9 +77,9 @@ void UnsetBgTilemapBuffer(u8 bg);
 void* GetBgTilemapBuffer(u8 bg);
 void CopyToBgTilemapBuffer(u8 bg, const void *src, u16 mode, u16 destOffset);
 void CopyBgTilemapBufferToVram(u8 bg);
-void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u8 height);
-void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette);
-void CopyRectToBgTilemapBufferRect(u8 bg, void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2);
+void CopyToBgTilemapBufferRect(u8 bg, const void* src, u8 destX, u8 destY, u8 width, u8 height);
+void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, const void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette);
+void CopyRectToBgTilemapBufferRect(u8 bg, const void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2);
 void FillBgTilemapBufferRect_Palette0(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height);
 void FillBgTilemapBufferRect(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height, u8 palette);
 void WriteSequenceToBgTilemapBuffer(u8 bg, u16 firstTileNum, u8 x, u8 y, u8 width, u8 height, u8 paletteSlot, s16 tileNumDelta);
diff --git a/src/bg.c b/src/bg.c
index df91e9d4a..5cbd7658e 100644
--- a/src/bg.c
+++ b/src/bg.c
@@ -391,7 +391,7 @@ void InitBgsFromTemplates(u8 bgMode, const struct BgTemplate *templates, u8 numT
     }
 }
 #else
-__attribute__((naked))
+NAKED
 void InitBgsFromTemplates(u8 bgMode, const struct BgTemplate *templates, u8 numTemplates)
 {
     asm(".syntax unified\n\
@@ -634,7 +634,7 @@ bool8 IsDma3ManagerBusyWithBgCopy(void)
     return FALSE;
 }
 #else
-__attribute__((naked))
+NAKED
 bool8 IsDma3ManagerBusyWithBgCopy(void)
 {
     asm("push {r4-r7,lr}\n\
@@ -1065,7 +1065,7 @@ void CopyBgTilemapBufferToVram(u8 bg)
     }
 }
 
-void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u8 height)
+void CopyToBgTilemapBufferRect(u8 bg, const void* src, u8 destX, u8 destY, u8 width, u8 height)
 {
     u16 destX16;
     u16 destY16;
@@ -1077,7 +1077,7 @@ void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u
         {
             case 0:
             {
-                u16 * srcCopy = src;
+                const u16 * srcCopy = src;
                 for (destY16 = destY; destY16 < (destY + height); destY16++)
                 {
                     for (destX16 = destX; destX16 < (destX + width); destX16++)
@@ -1089,7 +1089,7 @@ void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u
             }
             case 1:
             {
-                u8 * srcCopy = src;
+                const u8 * srcCopy = src;
                 mode = GetBgMetricAffineMode(bg, 0x1);
                 for (destY16 = destY; destY16 < (destY + height); destY16++)
                 {
@@ -1104,7 +1104,7 @@ void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u
     }
 }
 
-void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette)
+void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, const void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette)
 {
     CopyRectToBgTilemapBufferRect(bg, src, 0, 0, rectWidth, rectHeight, destX, destY, rectWidth, rectHeight, palette, 0, 0);
 }
@@ -1151,8 +1151,8 @@ void CopyRectToBgTilemapBufferRect(u8 bg, void* src, u8 srcX, u8 srcY, u8 srcWid
         }
     }
 }*/
-__attribute__((naked))
-void CopyRectToBgTilemapBufferRect(u8 bg, void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2)
+NAKED
+void CopyRectToBgTilemapBufferRect(u8 bg, const void* src, u8 srcX, u8 srcY, u8 srcWidth, u8 srcHeight, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette1, u16 tileOffset, u16 palette2)
 {
     asm("push {r4-r7,lr}\n\
     mov r7, r10\n\
@@ -1598,7 +1598,7 @@ void CopyTileMapEntry(u16 *src, u16 *dest, s32 palette1, u32 tileOffset, u32 pal
     *dest = test;
 }
 #else
-__attribute__((naked))
+NAKED
 void CopyTileMapEntry(u16 *src, u16 *dest, s32 palette1, u32 tileOffset, u32 palette2)
 {
     asm("push {r4-r6,lr}\n\
diff --git a/src/fame_checker.c b/src/fame_checker.c
index 889b96214..d311ecb94 100644
--- a/src/fame_checker.c
+++ b/src/fame_checker.c
@@ -1,15 +1,21 @@
 #include "global.h"
 #include "constants/songs.h"
+#include "bg.h"
+#include "gpu_regs.h"
 #include "palette.h"
 #include "task.h"
 #include "malloc.h"
 #include "main.h"
 #include "sound.h"
+#include "text.h"
+#include "window.h"
+#include "text_window.h"
 
 struct FameCheckerData
 {
     u32 unk_00;
-    u8 filler_04[5];
+    u16 unk_04;
+    u8 filler_06[3];
     u8 unk_09;
     u8 unk_0A;
     u8 unk_0B;
@@ -18,9 +24,40 @@ struct FameCheckerData
     u8 unk_23_1:7;
 };
 
+struct FameCheckerData2
+{
+    u8 filler_00[0x88];
+};
+
+EWRAM_DATA u16 * gUnknown_203B0F0 = NULL;
+EWRAM_DATA u16 * gUnknown_203B0F4 = NULL;
+EWRAM_DATA u16 * gUnknown_203B0F8 = NULL;
 EWRAM_DATA struct FameCheckerData * gUnknown_203B0FC = NULL;
+EWRAM_DATA struct FameCheckerData2 * gUnknown_203B100 = NULL;
+EWRAM_DATA u32 gUnknown_203B104 = 0;
 
 void sub_812C3F8(void);
+void sub_812C648(void);
+void sub_812C664(u8 taskId);
+void sub_812CE9C(void);
+void sub_812CEC0(void);
+void sub_812D1A8(u8 a0);
+void sub_812D420(void);
+void sub_812D558(void);
+void sub_812D584(void);
+void sub_812D594(void);
+void sub_812DB28(void);
+void sub_812E000(void);
+void sub_812E178(u8 a0, s16 a1);
+
+extern const struct BgTemplate gUnknown_845FBF4[4];
+extern const struct WindowTemplate gUnknown_845FC04[];
+extern const u16 gUnknown_845C600[0x40];
+
+extern const u16 gUnknown_8E9F220[0x30];
+extern const u16 gUnknown_8E9F260[0xa50];
+extern const u16 gUnknown_8EA0700[0x400];
+extern const u16 gUnknown_8EA0F00[0x400];
 
 void sub_812C380(void)
 {
@@ -49,3 +86,82 @@ void sub_812C3AC(u32 a0)
     PlaySE(SE_W202);
     SetMainCallback2(sub_812C3F8);
 }
+
+void sub_812C3F8(void)
+{
+    switch (gMain.state)
+    {
+        case 0:
+            SetVBlankCallback(NULL);
+            sub_812D420();
+            gMain.state++;
+            break;
+        case 1:
+            sub_812D558();
+            gMain.state++;
+            break;
+        case 2:
+            gUnknown_203B0F0 = AllocZeroed(0x800);
+            gUnknown_203B0F4 = AllocZeroed(0x1000);
+            gUnknown_203B0F8 = AllocZeroed(0x800);
+            ResetBgsAndClearDma3BusyFlags(0);
+            InitBgsFromTemplates(0, gUnknown_845FBF4, ARRAY_COUNT(gUnknown_845FBF4));
+            SetBgTilemapBuffer(3, gUnknown_203B0F0);
+            SetBgTilemapBuffer(2, gUnknown_203B0F8);
+            SetBgTilemapBuffer(1, gUnknown_203B0F4);
+            sub_812D594();
+            gMain.state++;
+            break;
+        case 3:
+            LoadBgTiles(3, gUnknown_8E9F260, sizeof(gUnknown_8E9F260), 0);
+            CopyToBgTilemapBufferRect(3, gUnknown_8EA0700, 0, 0, 32, 32);
+            LoadPalette(gUnknown_8E9F220 + 0x00, 0x00, 0x40);
+            LoadPalette(gUnknown_8E9F220 + 0x10, 0x10, 0x20);
+            CopyToBgTilemapBufferRect(2, gUnknown_8EA0F00, 0, 0, 32, 32);
+            CopyToBgTilemapBufferRect_ChangePalette(1, gUnknown_845C600, 30, 0, 32, 32, 0x11);
+            LoadPalette(stdpal_get(2), 0xF0, 0x20);
+            gMain.state++;
+            break;
+        case 4:
+            if (IsDma3ManagerBusyWithBgCopy() != TRUE)
+            {
+                ShowBg(0);
+                ShowBg(1);
+                ShowBg(2);
+                ShowBg(3);
+                CopyBgTilemapBufferToVram(3);
+                CopyBgTilemapBufferToVram(2);
+                CopyBgTilemapBufferToVram(1);
+                gMain.state++;
+            }
+            break;
+        case 5:
+            InitWindows(gUnknown_845FC04);
+            DeactivateAllTextPrinters();
+            sub_812CEC0();
+            gUnknown_203B100 = AllocZeroed(sizeof(struct FameCheckerData2));
+            sub_812DB28();
+            gMain.state++;
+            break;
+        case 6:
+            sub_812C648();
+            sub_812D1A8(0);
+            sub_812CE9C();
+            BeginNormalPaletteFade(0xFFFFFFFF,0, 16, 0, 0);
+            gMain.state++;
+            break;
+        case 7:
+            sub_812D584();
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG0 | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD);
+            SetGpuReg(REG_OFFSET_BLDALPHA, 0x07);
+            SetGpuReg(REG_OFFSET_BLDY, 0x08);
+            SetVBlankCallback(sub_812C380);
+            gUnknown_203B0FC->unk_04 = 0;
+            sub_812E000();
+            sub_812E178(1, 4);
+            CreateTask(sub_812C664, 0x08);
+            SetMainCallback2(sub_812C394);
+            gMain.state = 0;
+            break;
+    }
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index 16a1e7ddd..83fdcf763 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -1556,23 +1556,7 @@ gUnknown_203B0EC: @ 203B0EC
 gUnknown_203B0EE: @ 203B0EE
 	.space 0x2
 
-gUnknown_203B0F0: @ 203B0F0
-	.space 0x4
-
-gUnknown_203B0F4: @ 203B0F4
-	.space 0x4
-
-gUnknown_203B0F8: @ 203B0F8
-	.space 0x4
-
-gUnknown_203B0FC: @ 203B0FC
-	.space 0x4
-
-gUnknown_203B100: @ 203B100
-	.space 0x4
-
-gUnknown_203B104: @ 203B104
-	.space 0x4
+	.include "src/fame_checker.o"
 
 gUnknown_203B108: @ 203B108
 	.space 0x4