Decompile unk_02089D90 -> save_data_read_error

8 files changed, 147 insertions, 208 deletions

diff --git a/arm9/arm9.lsf b/arm9/arm9.lsf
index 8287f133..5e9e5ba9 100644
--- a/arm9/arm9.lsf
+++ b/arm9/arm9.lsf
@@ -315,7 +315,7 @@ Static arm9
 	Object unk_020893E0.o
 	Object unk_02089498.o
 	Object unk_02089960.o
-	Object unk_02089D90.o
+	Object save_data_read_error.o
 	Object unk_02089F24.o
 	Object unk_0208A258.o
 	Object unk_0208A300.o
diff --git a/arm9/asm/unk_02089D90.s b/arm9/asm/unk_02089D90.s
deleted file mode 100644
index 077b7bf5..00000000
--- a/arm9/asm/unk_02089D90.s
+++ /dev/null
@@ -1,188 +0,0 @@
-	.include "asm/macros.inc"
-	.include "global.inc"
-
-	.extern gMain
-
-	.section .rodata
-
-	.global UNK_020FF3E4
-UNK_020FF3E4: ; 0x020FF3E4
-	.byte 0x00, 0x03, 0x03, 0x1A, 0x12, 0x01, 0x23, 0x00
-
-	.global UNK_020FF3EC
-UNK_020FF3EC: ; 0x020FF3EC
-	.byte 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	.global UNK_020FF3FC
-UNK_020FF3FC: ; 0x020FF3FC
-	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-	.byte 0x01, 0x00, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	.global UNK_020FF418
-UNK_020FF418: ; 0x020FF418
-	.byte 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	.text
-
-	thumb_func_start FUN_02089D90
-FUN_02089D90: ; 0x02089D90
-	push {r3-r6, lr}
-	sub sp, #0x1c
-	add r4, r0, #0x0
-	mov r0, #0x0
-	add r1, r0, #0x0
-	bl FUN_0200E3A0
-	mov r0, #0x1
-	mov r1, #0x0
-	bl FUN_0200E3A0
-	mov r0, #0x0
-	add r1, r0, #0x0
-	bl Main_SetVBlankIntrCB
-	mov r0, #0x0
-	add r1, r0, #0x0
-	bl FUN_02015F34
-	bl GX_DisableEngineALayers
-	bl GX_DisableEngineBLayers
-	mov r2, #0x1
-	lsl r2, r2, #0x1a
-	ldr r1, [r2, #0x0]
-	ldr r0, _02089EF4 ; =0xFFFFE0FF
-	and r1, r0
-	str r1, [r2, #0x0]
-	ldr r2, _02089EF8 ; =0x04001000
-	ldr r1, [r2, #0x0]
-	and r0, r1
-	str r0, [r2, #0x0]
-	mov r0, #0x4
-	mov r1, #0x8
-	bl SetKeyRepeatTimers
-	ldr r0, _02089EFC ; =gMain + 0x60
-	mov r1, #0x0
-	strb r1, [r0, #0x5]
-	bl GX_SwapDisplay
-	ldr r3, _02089F00 ; =0x04000050
-	mov r0, #0x0
-	strh r0, [r3, #0x0]
-	ldr r2, _02089F04 ; =0x04001050
-	sub r3, #0x50
-	strh r0, [r2, #0x0]
-	ldr r1, [r3, #0x0]
-	ldr r0, _02089F08 ; =0xFFFF1FFF
-	sub r2, #0x50
-	and r1, r0
-	str r1, [r3, #0x0]
-	ldr r1, [r2, #0x0]
-	and r0, r1
-	str r0, [r2, #0x0]
-	ldr r0, _02089F0C ; =UNK_020FF418
-	bl GX_SetBanks
-	add r0, r4, #0x0
-	bl BgConfig_Alloc
-	add r5, r0, #0x0
-	ldr r0, _02089F10 ; =UNK_020FF3EC
-	bl SetBothScreensModesAndDisable
-	mov r1, #0x0
-	ldr r2, _02089F14 ; =UNK_020FF3FC
-	add r0, r5, #0x0
-	add r3, r1, #0x0
-	bl InitBgFromTemplate
-	add r0, r5, #0x0
-	mov r1, #0x0
-	bl BgClearTilemapBufferAndCommit
-	mov r1, #0x0
-	str r1, [sp, #0x0]
-	ldr r2, _02089F18 ; =0x000001F7
-	add r0, r5, #0x0
-	mov r3, #0x2
-	str r4, [sp, #0x4]
-	bl FUN_0200CB00
-	mov r0, #0x0
-	mov r1, #0x20
-	add r2, r4, #0x0
-	bl FUN_02002ED0
-	mov r0, #0x0
-	mov r1, #0x20
-	add r2, r0, #0x0
-	add r3, r4, #0x0
-	bl BG_ClearCharDataRange
-	ldr r1, _02089F1C ; =0x00006C21
-	mov r0, #0x0
-	bl BG_SetMaskColor
-	ldr r1, _02089F1C ; =0x00006C21
-	mov r0, #0x4
-	bl BG_SetMaskColor
-	mov r0, #0x1
-	mov r1, #0x1a
-	mov r2, #0x5
-	add r3, r4, #0x0
-	bl NewMsgDataFromNarc
-	add r6, r0, #0x0
-	mov r0, #0x6
-	lsl r0, r0, #0x6
-	add r1, r4, #0x0
-	bl String_ctor
-	add r4, r0, #0x0
-	bl FUN_0201BD5C
-	ldr r2, _02089F20 ; =UNK_020FF3E4
-	add r0, r5, #0x0
-	add r1, sp, #0xc
-	bl AddWindow
-	mov r0, #0xd0
-	str r0, [sp, #0x0]
-	mov r0, #0x90
-	mov r2, #0x0
-	str r0, [sp, #0x4]
-	add r0, sp, #0xc
-	mov r1, #0xf
-	add r3, r2, #0x0
-	bl FillWindowPixelRect
-	ldr r2, _02089F18 ; =0x000001F7
-	add r0, sp, #0xc
-	mov r1, #0x0
-	mov r3, #0x2
-	bl FUN_0200CCA4
-	add r0, r6, #0x0
-	mov r1, #0x0
-	add r2, r4, #0x0
-	bl ReadMsgDataIntoString
-	mov r1, #0x0
-	str r1, [sp, #0x0]
-	str r1, [sp, #0x4]
-	add r0, sp, #0xc
-	add r2, r4, #0x0
-	add r3, r1, #0x0
-	str r1, [sp, #0x8]
-	bl AddTextPrinterParameterized
-	add r0, r4, #0x0
-	bl String_dtor
-	bl GX_BothDispOn
-	mov r0, #0x0
-	bl FUN_0200E394
-	mov r0, #0x1
-	bl FUN_0200E394
-	mov r0, #0x0
-	mov r1, #0x3f
-	mov r2, #0x3
-	bl SetBrightness
-	mov r4, #0x1
-_02089EE4:
-	bl HandleDSLidAction
-	add r0, r4, #0x0
-	add r1, r4, #0x0
-	bl OS_WaitIrq
-	b _02089EE4
-	nop
-_02089EF4: .word 0xFFFFE0FF
-_02089EF8: .word 0x04001000
-_02089EFC: .word gMain + 0x60
-_02089F00: .word 0x04000050
-_02089F04: .word 0x04001050
-_02089F08: .word 0xFFFF1FFF
-_02089F0C: .word UNK_020FF418
-_02089F10: .word UNK_020FF3EC
-_02089F14: .word UNK_020FF3FC
-_02089F18: .word 0x000001F7
-_02089F1C: .word 0x00006C21
-_02089F20: .word UNK_020FF3E4
diff --git a/arm9/asm/unk_02089F24.s b/arm9/asm/unk_02089F24.s
index 3fbde6cb..dd936ec8 100644
--- a/arm9/asm/unk_02089F24.s
+++ b/arm9/asm/unk_02089F24.s
@@ -2,10 +2,10 @@
 	.include "global.inc"
 
 	.extern gMain
-	.extern UNK_020FF3E4
-	.extern UNK_020FF3EC
-	.extern UNK_020FF3FC
-	.extern UNK_020FF418
+	.extern gSaveDataReadErrorWindowTemplate
+	.extern gSaveDataReadErrorGraphicsModes
+	.extern gSaveDataReadErrorBgTemplate
+	.extern gSaveDataReadErrorGraphicsBanks
 
 	.section .rodata
 
@@ -80,15 +80,15 @@ FUN_02089F24: ; 0x02089F24
 	ldr r1, [r2, #0x0]
 	and r0, r1
 	str r0, [r2, #0x0]
-	ldr r0, _0208A0A0 ; =UNK_020FF418
+	ldr r0, _0208A0A0 ; =gSaveDataReadErrorGraphicsBanks
 	bl GX_SetBanks
 	add r0, r4, #0x0
 	bl BgConfig_Alloc
 	add r5, r0, #0x0
-	ldr r0, _0208A0A4 ; =UNK_020FF3EC
+	ldr r0, _0208A0A4 ; =gSaveDataReadErrorGraphicsModes
 	bl SetBothScreensModesAndDisable
 	mov r1, #0x0
-	ldr r2, _0208A0A8 ; =UNK_020FF3FC
+	ldr r2, _0208A0A8 ; =gSaveDataReadErrorBgTemplate
 	add r0, r5, #0x0
 	add r3, r1, #0x0
 	bl InitBgFromTemplate
@@ -129,7 +129,7 @@ FUN_02089F24: ; 0x02089F24
 	bl String_ctor
 	add r4, r0, #0x0
 	bl FUN_0201BD5C
-	ldr r2, _0208A0B4 ; =UNK_020FF3E4
+	ldr r2, _0208A0B4 ; =gSaveDataReadErrorWindowTemplate
 	add r0, r5, #0x0
 	add r1, sp, #0xc
 	bl AddWindow
@@ -184,12 +184,12 @@ _0208A090: .word gMain + 0x60
 _0208A094: .word 0x04000050
 _0208A098: .word 0x04001050
 _0208A09C: .word 0xFFFF1FFF
-_0208A0A0: .word UNK_020FF418
-_0208A0A4: .word UNK_020FF3EC
-_0208A0A8: .word UNK_020FF3FC
+_0208A0A0: .word gSaveDataReadErrorGraphicsBanks
+_0208A0A4: .word gSaveDataReadErrorGraphicsModes
+_0208A0A8: .word gSaveDataReadErrorBgTemplate
 _0208A0AC: .word 0x000001F7
 _0208A0B0: .word 0x00006C21
-_0208A0B4: .word UNK_020FF3E4
+_0208A0B4: .word gSaveDataReadErrorWindowTemplate
 
 	thumb_func_start FUN_0208A0B8
 FUN_0208A0B8: ; 0x0208A0B8
diff --git a/arm9/global.inc b/arm9/global.inc
index 2f9f2d11..04d457a0 100644
--- a/arm9/global.inc
+++ b/arm9/global.inc
@@ -5467,7 +5467,7 @@
 .extern FUN_02089418
 .extern FUN_02089444
 .extern FUN_0208946C
-.extern FUN_02089D90
+.extern ShowSaveDataReadError
 .extern FUN_02089F24
 .extern FUN_0208A0B8
 .extern FUN_0208A258
diff --git a/arm9/src/main.c b/arm9/src/main.c
index 312d222c..3b3b0dd6 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -11,6 +11,7 @@
 #include "game_init.h"
 #include "poke_overlay.h"
 #include "player_data.h"
+#include "save_data_read_error.h"
 #include "sound.h"
 #include "timer3.h"
 #include "unk_02031734.h"
@@ -32,7 +33,6 @@ struct UnkStruct_02016FA8 UNK_02016FA8;
 extern void FUN_02022294(void);
 extern void GF_InitRTCWork(void);
 extern int FUN_020337E8(int);
-extern void FUN_02089D90(int);
 extern void FUN_02015E30(void);
 extern void FUN_0201B5CC(void *);
 extern void GF_RTC_UpdateOnFrame(void);
@@ -72,7 +72,7 @@ THUMB_FUNC void NitroMain(void)
         ShowWFCUserInfoWarning(3, 0);
     if (FUN_020227FC(UNK_02016FA8.unk18) == 0)
     {
-        FUN_02089D90(0);
+        ShowSaveDataReadError(0);
     }
     else
     {
diff --git a/arm9/src/save.c b/arm9/src/save.c
index 7eb523f6..9ddb7336 100644
--- a/arm9/src/save.c
+++ b/arm9/src/save.c
@@ -4,6 +4,7 @@
 #include "heap.h"
 #include "CARD_backup.h"
 #include "OS_spinLock.h"
+#include "save_data_read_error.h"
 
 #pragma thumb on
 
@@ -13,9 +14,6 @@
 extern void FUN_02016444(u8 mask);
 extern void FUN_02016454(u8 mask);
 
-// unk_02089D90.s
-extern void FUN_02089D90(int);
-
 // unk_02089F24.s
 extern void FUN_0208A0B8(int, int);
 
@@ -861,7 +859,7 @@ BOOL FlashLoadChunk(u32 src, void * dest, u32 size)
     if (!r5)
     {
         FreeToHeap(UNK_021C59C8.ptr);
-        FUN_02089D90(1);
+        ShowSaveDataReadError(1);
     }
     return r5;
 }
diff --git a/arm9/src/save_data_read_error.c b/arm9/src/save_data_read_error.c
new file mode 100644
index 00000000..708b3a3c
--- /dev/null
+++ b/arm9/src/save_data_read_error.c
@@ -0,0 +1,123 @@
+#include "global.h"
+#include "bg_window.h"
+#include "brightness.h"
+#include "game_init.h"
+#include "msgdata.h"
+#include "msgdata/msg.naix"
+#include "save_data_read_error.h"
+#include "text.h"
+
+extern void FUN_02002ED0(enum GFBgLayer layer, u32 base_addr, u32 heap_id);
+extern void FUN_0200CB00(struct BgConfig* bg_config, enum GFBgLayer layer, u32 num_tiles, u32, u8, u32 heap_id);
+extern void FUN_0200CCA4(struct Window* window, BOOL copy_to_vram, u16 fill_value, u32 palette_num);
+extern void FUN_0200E394(BOOL set_brightness_on_bottom_screen);
+extern void FUN_0200E3A0(BOOL set_brightness_on_bottom_screen, s32);
+
+const struct WindowTemplate gSaveDataReadErrorWindowTemplate = {
+    .bgId = GF_BG_LYR_MAIN_0,
+    .tilemapLeft = 3,
+    .tilemapTop = 3,
+    .width = 26,
+    .height = 18,
+    .paletteNum = 0x01,
+    .baseTile = 0x23,
+};
+
+const struct GraphicsModes gSaveDataReadErrorGraphicsModes = {
+    .dispMode = GX_DISPMODE_GRAPHICS,
+    .bgMode = GX_BGMODE_0,
+    .subMode = GX_BGMODE_0,
+    ._2d3dMode = GX_BG0_AS_2D,
+};
+
+const struct BgTemplate gSaveDataReadErrorBgTemplate = {
+    .x = 0,
+    .y = 0,
+    .bufferSize = 0x800,
+    .baseTile = 0,
+    .size = GF_BG_SCR_SIZE_256x256,
+    .colorMode = GX_BG_COLORMODE_16,
+    .screenBase = GX_BG_SCRBASE_0x0000,
+    .charBase = GX_BG_CHARBASE_0x18000,
+    .bgExtPltt = GX_BG_EXTPLTT_01,
+    .priority = 1,
+    .areaOver = GX_BG_AREAOVER_XLU,
+    .unk17 = 0,
+    .mosaic = FALSE,
+};
+
+const struct GraphicsBanks gSaveDataReadErrorGraphicsBanks = {
+    .bg = 3,
+    .bgextpltt = 0,
+    .subbg = 0,
+    .subbgextpltt = 0,
+    .obj = 0,
+    .objextpltt = 0,
+    .subobj = 0,
+    .subobjextpltt = 0,
+    .tex = 0,
+    .texpltt = 0,
+};
+
+THUMB_FUNC void ShowSaveDataReadError(u32 heap_id)
+{
+    struct Window window;
+
+    FUN_0200E3A0(PM_LCD_TOP, 0);
+    FUN_0200E3A0(PM_LCD_BOTTOM, 0);
+
+    Main_SetVBlankIntrCB(NULL, NULL);
+    FUN_02015F34(NULL, NULL);
+
+    GX_DisableEngineALayers();
+    GX_DisableEngineBLayers();
+    reg_GX_DISPCNT &= ~REG_GX_DISPCNT_DISPLAY_MASK;
+    reg_GXS_DB_DISPCNT &= ~REG_GX_DISPCNT_DISPLAY_MASK;
+
+    SetKeyRepeatTimers(4, 8);
+
+    gMain.unk65 = 0;
+
+    GX_SwapDisplay();
+    reg_G2_BLDCNT = 0;
+    reg_G2S_DB_BLDCNT = 0;
+    reg_GX_DISPCNT &= ~(REG_GX_DISPCNT_OW_MASK | REG_GX_DISPCNT_W1_MASK | REG_GX_DISPCNT_W0_MASK);
+    reg_GXS_DB_DISPCNT &= ~(REG_GXS_DB_DISPCNT_OW_MASK | REG_GXS_DB_DISPCNT_W1_MASK | REG_GXS_DB_DISPCNT_W0_MASK);
+    GX_SetBanks(&gSaveDataReadErrorGraphicsBanks);
+
+    struct BgConfig* bg_config = BgConfig_Alloc(heap_id);
+
+    SetBothScreensModesAndDisable(&gSaveDataReadErrorGraphicsModes);
+
+    InitBgFromTemplate(bg_config, 0, &gSaveDataReadErrorBgTemplate, 0);
+    BgClearTilemapBufferAndCommit(bg_config, 0);
+    FUN_0200CB00(bg_config, GF_BG_LYR_MAIN_0, 0x01F7, 2, 0, heap_id);
+    FUN_02002ED0(GF_BG_LYR_MAIN_0, 0x20, heap_id);
+    BG_ClearCharDataRange(GF_BG_LYR_MAIN_0, 0x20, 0, heap_id);
+    BG_SetMaskColor(GF_BG_LYR_MAIN_0, 0x6C21);
+    BG_SetMaskColor(GF_BG_LYR_SUB_0, 0x6C21);
+
+    struct MsgData* msg_data = NewMsgDataFromNarc(1, NARC_MSGDATA_MSG, NARC_msg_narc_0005_bin, heap_id);
+    struct String* str = String_ctor(384, heap_id);
+
+    FUN_0201BD5C();
+
+    AddWindow(bg_config, &window, &gSaveDataReadErrorWindowTemplate);
+    FillWindowPixelRect(&window, 0xF, 0, 0, 208, 144);
+    FUN_0200CCA4(&window, FALSE, 0x01F7, 2);
+
+    ReadMsgDataIntoString(msg_data, 0, str);
+    AddTextPrinterParameterized(&window, 0, str, 0, 0, 0, NULL);
+    String_dtor(str);
+
+    GX_BothDispOn();
+    FUN_0200E394(PM_LCD_TOP);
+    FUN_0200E394(PM_LCD_BOTTOM);
+    SetBrightness(0, 0x3F, 3);
+
+    while (TRUE)
+    {
+        HandleDSLidAction();
+        OS_WaitIrq(TRUE, OS_IE_V_BLANK);
+    }
+}
diff --git a/include/save_data_read_error.h b/include/save_data_read_error.h
new file mode 100644
index 00000000..fe78b8f0
--- /dev/null
+++ b/include/save_data_read_error.h
@@ -0,0 +1,6 @@
+#ifndef POKEDIAMOND_SAVE_READ_DATA_ERROR_H
+#define POKEDIAMOND_SAVE_READ_DATA_ERROR_H
+
+void ShowSaveDataReadError(u32 heap_id);
+
+#endif