Start decomp

2017-09-18 08:52:57 -04:00
parent 74bda5b680
commit 8604291b0f
8 changed files with 163 additions and 250 deletions
--- a/src/berry_fix_program.c
+++ b/src/berry_fix_program.c
@@ -0,0 +1,123 @@
+
+// Includes
+#include "global.h"
+#include "multiboot.h"
+#include "gpu_regs.h"
+#include "main.h"
+#include "sprite.h"
+#include "task.h"
+#include "unknown_task.h"
+#include "malloc.h"
+#include "m4a.h"
+
+// Static type declarations
+
+typedef struct {
+    u8 state;
+    u8 unk1;
+    u16 unk2;
+    struct MultiBootParam mb;
+} berryfix_t;
+
+// Static RAM declarations
+
+extern berryfix_t *gUnknown_030012B8;
+
+// Static ROM declarations
+
+static void sub_81BF3DC(void);
+void sub_81BF5A4(void);
+u32 sub_81BF7A4(u8);
+
+// .rodata
+
+extern const u8 gUnknown_089A6550[0xC0];
+extern const u8 gMultiBootProgram_BerryGlitchFix_Script[0x3b34];
+extern const u8 gMultiBootProgram_BerryGlitchFix_Start[];
+extern const u8 gMultiBootProgram_BerryGlitchFix_End[];
+
+// .text
+
+void sub_81BF384(void)
+{
+    DisableInterrupts(0xFFFF);
+    EnableInterrupts(0x0001);
+    m4aSoundVSyncOff();
+    SetVBlankCallback(NULL);
+    ResetSpriteData();
+    ResetTasks();
+    remove_some_task();
+    SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+    gUnknown_030012B8 = AllocZeroed(0x50);
+    gUnknown_030012B8->state = 0;
+    gUnknown_030012B8->unk1 = 6;
+    SetMainCallback2(sub_81BF3DC);
+}
+
+static void sub_81BF3DC(void)
+{
+    switch (gUnknown_030012B8->state)
+    {
+        case 0:
+            sub_81BF5A4();
+            gUnknown_030012B8->state = 1;
+            break;
+        case 1:
+            if (sub_81BF7A4(5) == 5 && (gMain.newKeys & A_BUTTON))
+            {
+                gUnknown_030012B8->state = 2;
+            }
+            break;
+        case 2:
+            if (sub_81BF7A4(0) == 0 && (gMain.newKeys & A_BUTTON))
+            {
+                gUnknown_030012B8->state = 3;
+            }
+            break;
+        case 3:
+            if (sub_81BF7A4(1) == 1)
+            {
+                gUnknown_030012B8->mb.masterp = gUnknown_089A6550;
+                gUnknown_030012B8->mb.server_type = 0;
+                MultiBootInit(&gUnknown_030012B8->mb);
+                gUnknown_030012B8->unk2 = 0;
+                gUnknown_030012B8->state = 4;
+            }
+            break;
+        case 4:
+            MultiBootMain(&gUnknown_030012B8->mb);
+            if (gUnknown_030012B8->mb.probe_count != 0 || (!(gUnknown_030012B8->mb.response_bit & 2) || !(gUnknown_030012B8->mb.client_bit & 2)))
+            {
+                gUnknown_030012B8->unk2 = 0;
+            }
+            else if (++ gUnknown_030012B8->unk2 > 180)
+            {
+                MultiBootStartMaster(&gUnknown_030012B8->mb, gMultiBootProgram_BerryGlitchFix_Start, (u32)(gMultiBootProgram_BerryGlitchFix_End - gMultiBootProgram_BerryGlitchFix_Start), 4, 1);
+                gUnknown_030012B8->state = 5;
+            }
+            break;
+        case 5:
+            if (sub_81BF7A4(2) == 2) {
+                MultiBootMain(&gUnknown_030012B8->mb);
+                if (MultiBootCheckComplete(&gUnknown_030012B8->mb)) {
+                    gUnknown_030012B8->state = 6;
+                }
+                else if (!(gUnknown_030012B8->mb.client_bit & 2)) {
+                    gUnknown_030012B8->state = 7;
+                }
+            }
+            break;
+        case 6:
+            if (sub_81BF7A4(3) == 3 && gMain.newKeys & A_BUTTON)
+            {
+                DoSoftReset();
+            }
+            break;
+        case 7:
+            if (sub_81BF7A4(4) == 4 && gMain.newKeys & A_BUTTON)
+            {
+                gUnknown_030012B8->state = 1;
+            }
+            break;
+    }
+}