1 files changed, 125 insertions, 0 deletions
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
new file mode 100644
index 000000000..dda0515a0
--- /dev/null
+++ b/src/save_failed_screen.c
@@ -0,0 +1,125 @@
+#include "global.h"
+#include "decompress.h"
+#include "dma3.h"
+#include "gpu_regs.h"
+#include "help_system.h"
+#include "m4a.h"
+#include "save.h"
+#include "save_failed_screen.h"
+#include "strings.h"
+
+bool32 gUnknown_3005430;
+EWRAM_DATA u16 gUnknown_203AB4C = SAVE_NORMAL;
+EWRAM_DATA u8 gUnknown_203AB50 = 0;
+
+void sub_80F52EC(void);
+void sub_80F53CC(void);
+void sub_80F53E8(void);
+void sub_80F5404(const u8 *a0);
+bool32 sub_80F5458(void);
+
+extern const u16 gUnknown_841EE44[];
+
+void sub_80F50F4(void)
+{
+    gUnknown_3005430 = FALSE;
+}
+
+void DoSaveFailedScreen(u8 saveType)
+{
+    gUnknown_203AB4C = saveType;
+    gUnknown_3005430 = TRUE;
+}
+
+bool32 sub_80F5118(void)
+{
+    switch (gUnknown_203AB50)
+    {
+    case 0:
+        if (!gUnknown_3005430)
+            return FALSE;
+        m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 128);
+        SaveCallbacks();
+        gUnknown_203AB50 = 1;
+        break;
+    case 1:
+        SaveMapTiles();
+        SaveMapGPURegs();
+        SaveMapTextColors();
+        sub_80F52EC();
+        SetGpuReg(REG_OFFSET_DISPCNT, 0);
+        gUnknown_203AB50 = 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;
+        break;
+    case 3:
+        sub_80F53E8();
+        sub_80F5404(gUnknown_8418C83);
+        sub_80F53CC();
+        gUnknown_203AB50 = 4;
+        break;
+    case 4:
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+        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;
+        break;
+    case 5:
+        if (sub_80F5458() == TRUE)
+        {
+            gSaveSucceeded = SAVE_STATUS_OK;
+            sub_80F5404(gUnknown_8418E09);
+        }
+        else
+        {
+            gSaveSucceeded = SAVE_STATUS_ERROR;
+            sub_80F5404(gUnknown_8418CD9);
+        }
+        gUnknown_203AB50 = 6;
+        break;
+    case 6:
+        if (JOY_NEW(A_BUTTON))
+            gUnknown_203AB50 = 7;
+        break;
+    case 7:
+        SetGpuReg(REG_OFFSET_DISPCNT, 0);
+        RestoreMapTiles();
+        sub_80F52EC();
+        gUnknown_203AB50 = 8;
+        break;
+    case 8:
+        m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 256);
+        RestoreMapTextColors();
+        RestoreGPURegs();
+        RestoreCallbacks();
+        gUnknown_3005430 = FALSE;
+        gUnknown_203AB50 = 0;
+        break;
+    }
+    return TRUE;
+}
+
+void sub_80F52EC(void)
+{
+    int i;
+    for (i = 0; i < BG_PLTT_SIZE; i += sizeof(u16))
+    {
+        *((u16 *)(BG_PLTT + i)) = RGB_BLACK;
+        *((u16 *)(OBJ_PLTT + i)) = RGB_BLACK;
+    }
+}
+
+void sub_80F5318(void)
+{
+    RequestDma3Copy(gDecompressionBuffer + 0x3800, (void *)BG_SCREEN_ADDR(31), 0x500, 0);
+}
+
+void sub_80F5334(void)
+{
+    RequestDma3Copy(gDecompressionBuffer + 0x020, (void *)BG_CHAR_ADDR(3) + 0x20, 0x2300, 0);
+}