Merge pull request #128 from marijnvdwerf/decompile/mail

Decompile mail

1 files changed, 767 insertions, 0 deletions

diff --git a/src/mail.c b/src/mail.c
new file mode 100644
index 000000000..3f9b675ab
--- /dev/null
+++ b/src/mail.c
@@ -0,0 +1,767 @@
+#include "global.h"
+#include "mail.h"
+#include "asm.h"
+#include "menu.h"
+#include "palette.h"
+#include "rom4.h"
+#include "sprite.h"
+#include "string_util.h"
+#include "task.h"
+#include "text.h"
+
+struct MailLayout {
+    u8 var0;
+    u8 var1;
+    u8 var2;
+    u8 var3;
+    u8 (*var4)[];
+};
+
+struct Unk2000000 {
+    /*  0x00 */ u8 words[8][27];
+    /*  0xEC */ u8 varD8[20];
+    /*  0xEC */ MainCallback varEC;
+    /*  0xF0 */ MainCallback varF0;
+    /*  0xFF */ struct MailStruct *varF4;
+    /*  0xF8 */ u8 varF8;
+    /*  0xF9 */ u8 varF9;
+    /*  0xFA */ u8 varFA;
+    /*  0xFB */ u8 varFB;
+    /*  0xFC */ u8 varFC;
+    u8 padFD[1];
+    /*  0xFE */ u8 varFE;
+    /*  0xFF */ u8 varFF;
+    /* 0x100 */ u8 var100;
+    u8 pad101[3];
+    /* 0x104 */ MainCallback var104;
+    /* 0x108 */ MainCallback var108;
+    /* 0x10C */ struct MailLayout *var10C;
+};
+
+struct MailGraphics {
+    u16 (*palette)[];
+    u8 (*tiles)[];
+    u8 (*tileMap)[];
+    u16 var0C;
+    u16 var0E;
+    u16 color10;
+    u16 color12;
+};
+
+enum {
+    LANGUAGE_JAPANESE = 0,
+    LANGUAGE_ENGLISH = 1,
+    LANGUAGE_GERMAN = 5,
+};
+
+enum {
+    ITEM_ORANGE_MAIL = 0x79,
+    ITEM_HARBOR_MAIL,
+    ITEM_GLITTER_MAIL,
+    ITEM_MECH_MAIL,
+    ITEM_WOOD_MAIL,
+    ITEM_WAVE_MAIL,
+    ITEM_BEAD_MAIL,
+    ITEM_SHADOW_MAIL,
+    ITEM_TROPIC_MAIL,
+    ITEM_DREAM_MAIL,
+    ITEM_FAB_MAIL,
+    ITEM_RETRO_MAIL,
+};
+
+extern struct Unk2000000 unk_2000000;
+extern struct MailGraphics gMailGraphicsTable[];
+extern u16 gUnknown_083E562C[][2];
+
+extern struct MailLayout gUnknown_083E5730[];
+extern struct MailLayout gUnknown_083E57A4[];
+
+extern u8 gOtherText_From[];
+
+static u8 sub_80F8A28(void);
+// static void sub_80F8D50(void);
+// static u8 *sub_80F8D7C(u8 *dest, u8 *src);
+static void sub_80F8DA0(void);
+static void sub_80F8E80(void);
+static void sub_80F8F18(void);
+static void sub_80F8F2C(void);
+static void sub_80F8F58(void);
+static void sub_80F8F78(void);
+static void sub_80F8FB4(void);
+
+#ifdef NONMATCHING
+void sub_80F890C(struct MailStruct *arg0, MainCallback arg1, bool8 arg2) {
+    u16 mailDesign;
+    u8 buffer[4];
+    u8 local1;
+
+    unk_2000000.varFF = 2;
+
+    // Compiler uses [sub 1], while asm uses [ptr + FE]
+    unk_2000000.varFE = 1;
+    unk_2000000.var104 = (MainCallback) sub_80EB3FC;
+    unk_2000000.var108 = (MainCallback) ConvertEasyChatWordsToString;
+
+    mailDesign = arg0->var20 - ITEM_ORANGE_MAIL;
+
+    if (mailDesign <= 11) {
+        unk_2000000.varFA = arg0->var20 - ITEM_ORANGE_MAIL;
+    } else {
+        unk_2000000.varFA = 0;
+        arg2 = FALSE;
+    }
+
+    switch (unk_2000000.var100) {
+        case 0:
+        default:
+            unk_2000000.var10C = &gUnknown_083E5730[unk_2000000.varFA];
+            break;
+
+        case 1:
+            unk_2000000.var10C = &gUnknown_083E57A4[unk_2000000.varFA];
+            break;
+    }
+
+    if (((sub_80A2D64(arg0->var1E, buffer) << 16) +0xFFFF0000) <= (410 << 16)) {
+        switch (unk_2000000.varFA) {
+            case 6:
+                unk_2000000.varFB = 1;
+                break;
+
+            case 9:
+                unk_2000000.varFB = 2;
+                break;
+
+            default:
+                unk_2000000.varFB = 0;
+                break;
+        }
+    } else {
+        unk_2000000.varFB = 0;
+    }
+
+
+    unk_2000000.varF4 = arg0;
+    unk_2000000.varEC = arg1;
+    unk_2000000.varF8 = arg2;
+
+    SetMainCallback2(sub_80F8D50);
+}
+#else
+__attribute__((naked))
+void sub_80F890C(struct MailStruct *arg0, MainCallback arg1, bool8 arg2) {
+    asm(".syntax unified\n\
+	push {r4-r6,lr}\n\
+	sub sp, 0x4\n\
+	adds r4, r0, 0\n\
+	adds r6, r1, 0\n\
+	lsls r2, 24\n\
+	lsrs r5, r2, 24\n\
+	ldr r2, _080F8958 @ =0x02000000\n\
+	adds r1, r2, 0\n\
+	adds r1, 0xFF\n\
+	movs r0, 0x2\n\
+	strb r0, [r1]\n\
+	adds r0, 0xFE\n\
+	adds r1, r2, r0\n\
+	movs r0, 0x1\n\
+	strb r0, [r1]\n\
+	movs r0, 0x82\n\
+	lsls r0, 1\n\
+	adds r1, r2, r0\n\
+	ldr r0, _080F895C @ =sub_80EB3FC\n\
+	str r0, [r1]\n\
+	movs r0, 0x84\n\
+	lsls r0, 1\n\
+	adds r1, r2, r0\n\
+	ldr r0, _080F8960 @ =ConvertEasyChatWordsToString\n\
+	str r0, [r1]\n\
+	ldrh r1, [r4, 0x20]\n\
+	adds r0, r1, 0\n\
+	subs r0, 0x79\n\
+	lsls r0, 16\n\
+	lsrs r0, 16\n\
+	cmp r0, 0xB\n\
+	bhi _080F8964\n\
+	subs r1, 0x79\n\
+	adds r0, r2, 0\n\
+	adds r0, 0xFA\n\
+	strb r1, [r0]\n\
+	b _080F896E\n\
+	.align 2, 0\n\
+_080F8958: .4byte 0x02000000\n\
+_080F895C: .4byte sub_80EB3FC\n\
+_080F8960: .4byte ConvertEasyChatWordsToString\n\
+_080F8964:\n\
+	adds r1, r2, 0\n\
+	adds r1, 0xFA\n\
+	movs r0, 0\n\
+	strb r0, [r1]\n\
+	movs r5, 0\n\
+_080F896E:\n\
+	ldr r1, _080F8994 @ =0x02000000\n\
+	movs r2, 0x80\n\
+	lsls r2, 1\n\
+	adds r0, r1, r2\n\
+	ldrb r0, [r0]\n\
+	cmp r0, 0\n\
+	beq _080F8980\n\
+	cmp r0, 0x1\n\
+	beq _080F899C\n\
+_080F8980:\n\
+	movs r0, 0x86\n\
+	lsls r0, 1\n\
+	adds r2, r1, r0\n\
+	adds r0, r1, 0\n\
+	adds r0, 0xFA\n\
+	ldrb r0, [r0]\n\
+	lsls r0, 3\n\
+	ldr r1, _080F8998 @ =gUnknown_083E5730\n\
+	b _080F89AC\n\
+	.align 2, 0\n\
+_080F8994: .4byte 0x02000000\n\
+_080F8998: .4byte gUnknown_083E5730\n\
+_080F899C:\n\
+	movs r0, 0x86\n\
+	lsls r0, 1\n\
+	adds r2, r1, r0\n\
+	adds r0, r1, 0\n\
+	adds r0, 0xFA\n\
+	ldrb r0, [r0]\n\
+	lsls r0, 3\n\
+	ldr r1, _080F89DC @ =gUnknown_083E57A4\n\
+_080F89AC:\n\
+	adds r0, r1\n\
+	str r0, [r2]\n\
+	ldrh r0, [r4, 0x1E]\n\
+	mov r1, sp\n\
+	bl sub_80A2D64\n\
+	lsls r0, 16\n\
+	ldr r1, _080F89E0 @ =0xffff0000\n\
+	adds r0, r1\n\
+	movs r1, 0xCD\n\
+	lsls r1, 17\n\
+	cmp r0, r1\n\
+	bhi _080F89F8\n\
+	ldr r0, _080F89E4 @ =0x02000000\n\
+	adds r1, r0, 0\n\
+	adds r1, 0xFA\n\
+	ldrb r2, [r1]\n\
+	adds r1, r0, 0\n\
+	cmp r2, 0x6\n\
+	beq _080F89E8\n\
+	cmp r2, 0x9\n\
+	beq _080F89F0\n\
+	b _080F89FA\n\
+	.align 2, 0\n\
+_080F89DC: .4byte gUnknown_083E57A4\n\
+_080F89E0: .4byte 0xffff0000\n\
+_080F89E4: .4byte 0x02000000\n\
+_080F89E8:\n\
+	adds r2, r1, 0\n\
+	adds r2, 0xFB\n\
+	movs r0, 0x1\n\
+	b _080F8A00\n\
+_080F89F0:\n\
+	adds r2, r1, 0\n\
+	adds r2, 0xFB\n\
+	movs r0, 0x2\n\
+	b _080F8A00\n\
+_080F89F8:\n\
+	ldr r1, _080F8A20 @ =0x02000000\n\
+_080F89FA:\n\
+	adds r2, r1, 0\n\
+	adds r2, 0xFB\n\
+	movs r0, 0\n\
+_080F8A00:\n\
+	strb r0, [r2]\n\
+	adds r0, r1, 0\n\
+	adds r0, 0xF4\n\
+	str r4, [r0]\n\
+	subs r0, 0x8\n\
+	str r6, [r0]\n\
+	adds r0, 0xC\n\
+	strb r5, [r0]\n\
+	ldr r0, _080F8A24 @ =sub_80F8D50\n\
+	bl SetMainCallback2\n\
+	add sp, 0x4\n\
+	pop {r4-r6}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_080F8A20: .4byte 0x02000000\n\
+_080F8A24: .4byte sub_80F8D50\n\
+    .syntax divided\n");
+}
+
+#endif
+
+#define RETURN_UP_STATE break
+#define RETURN_SKIP_STATE return FALSE
+
+static u8 sub_80F8A28(void) {
+    switch (gMain.state) {
+        case 0:
+            SetVBlankCallback(NULL);
+            remove_some_task();
+            REG_DISPCNT = 0;
+            RETURN_UP_STATE;
+
+        case 1: CpuFill16(0, (void *) OAM, OAM_SIZE);
+            RETURN_UP_STATE;
+
+        case 2:
+            ResetPaletteFade();
+            RETURN_UP_STATE;
+
+        case 3:
+            ResetTasks();
+            RETURN_UP_STATE;
+
+        case 4:
+            ResetSpriteData();
+            RETURN_UP_STATE;
+
+        case 5:
+            FreeAllSpritePalettes();
+            REG_BG0HOFS = 0;
+            REG_BG0VOFS = 0;
+            REG_BG1HOFS = 0;
+            REG_BG1VOFS = 0;
+            REG_BG2VOFS = 0;
+            REG_BG2HOFS = 0;
+            REG_BG3HOFS = 0;
+            REG_BG3VOFS = 0;
+            REG_BLDCNT = 0;
+            REG_BLDALPHA = 0;
+            RETURN_UP_STATE;
+
+        case 6:
+            SetUpWindowConfig(&gWindowConfig_81E6DFC);
+            RETURN_UP_STATE;
+
+        case 7:
+            MultistepInitMenuWindowBegin(&gWindowConfig_81E6DFC);
+            RETURN_UP_STATE;
+
+        case 8:
+            if (MultistepInitMenuWindowContinue() == 0) {
+                return FALSE;
+            }
+            RETURN_UP_STATE;
+
+        case 9:
+            MenuZeroFillScreen();
+            RETURN_UP_STATE;
+
+        case 10: CpuFill16(1, (void *) (VRAM + 0x4800), 0x800);
+            RETURN_UP_STATE;
+
+        case 11:
+            LoadPalette(gMailGraphicsTable[unk_2000000.varFA].palette, 0, 16 * 2);
+            RETURN_UP_STATE;
+
+        case 12:
+            LZ77UnCompVram(gMailGraphicsTable[unk_2000000.varFA].tileMap, (void *) (VRAM + 0x4000));
+            RETURN_UP_STATE;
+
+        case 13:
+            LZ77UnCompVram(gMailGraphicsTable[unk_2000000.varFA].tiles, (void *) (VRAM));
+
+            gPlttBufferUnfaded[241] = gMailGraphicsTable[unk_2000000.varFA].color10;
+            gPlttBufferUnfaded[248] = gMailGraphicsTable[unk_2000000.varFA].color12;
+            gPlttBufferUnfaded[10] = gUnknown_083E562C[gSaveBlock2.playerGender][0];
+            gPlttBufferUnfaded[11] = gUnknown_083E562C[gSaveBlock2.playerGender][1];
+            RETURN_UP_STATE;
+
+        case 14:
+            if (unk_2000000.varF8 != 0) {
+                sub_80F8DA0();
+            }
+            RETURN_UP_STATE;
+
+        case 15:
+            if (unk_2000000.varF8 != 0) {
+                sub_80F8E80();
+            }
+
+            SetVBlankCallback(sub_80F8F18);
+            gPaletteFade.bufferTransferDisabled = 1;
+            RETURN_UP_STATE;
+
+        case 16: {
+            u16 local1;
+
+            local1 = sub_809D4A8(unk_2000000.varF4->var1E);
+
+            switch (unk_2000000.varFB) {
+                case 1:
+                    sub_809D580(local1);
+                    unk_2000000.varFC = sub_809D3A4(local1, SpriteCallbackDummy, 96, 128, 0);
+                    break;
+
+                case 2:
+                    sub_809D580(local1);
+                    unk_2000000.varFC = sub_809D3A4(local1, SpriteCallbackDummy, 40, 128, 0);
+                    break;
+            }
+            RETURN_UP_STATE;
+        }
+
+        case 17:
+            if (sub_8055870() != TRUE) {
+                RETURN_UP_STATE;
+            }
+            RETURN_SKIP_STATE;
+
+        case 18:
+            REG_BG0CNT = 0x9F08;
+            REG_BG1CNT = 0x0801;
+            REG_BG2CNT = 0x0902;
+            REG_BLDCNT = 0;
+            REG_DISPCNT = DISPCNT_OBJ_1D_MAP | DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_BG2_ON | DISPCNT_OBJ_ON;
+            BeginNormalPaletteFade(-1, 0, 16, 0, 0);
+            gPaletteFade.bufferTransferDisabled = 0;
+            unk_2000000.varF0 = sub_80F8F58;
+            return TRUE;
+
+        default:
+            return FALSE;
+    }
+
+    gMain.state += 1;
+    return FALSE;
+}
+
+void sub_80F8D50(void) {
+    do {
+        if (sub_80F8A28() == 1) {
+            SetMainCallback2(sub_80F8F2C);
+            return;
+        }
+    } while (sub_80F9344() != 1);
+}
+
+u8 *sub_80F8D7C(u8 *dest, u8 *src) {
+    u16 length;
+
+    StringCopy(dest, src);
+    sub_814A568(dest);
+
+    length = StringLength(dest);
+
+    return dest + length;
+}
+
+#ifdef NONMATCHING
+static void sub_80F8DA0(void) {
+    u8 local0;
+
+    local0 = unk_2000000.var10C->var0;
+
+    // No idea what's happening in this loop.
+    if (local0 <= 0) {
+        u8 i;
+        u8 i2 = 0;
+
+        for (i = 0; i < unk_2000000.var10C->var0; i++) {
+            ConvertEasyChatWordsToString(unk_2000000.words[i], &unk_2000000.varF4->words[i2],
+                                         ((*unk_2000000.var10C->var4)[i] << 28) >> 30, 1);
+            i2 += ((*unk_2000000.var10C->var4)[i] << 28) >> 30;
+        }
+    }
+
+    if (unk_2000000.var100 == LANGUAGE_JAPANESE) {
+        u8 *ptr;
+        u16 length;
+
+        ptr = sub_80F8D7C(unk_2000000.varD8, unk_2000000.varF4->var12);
+        StringCopy(ptr, gOtherText_From);
+
+        length = StringLength(unk_2000000.varD8);
+
+        unk_2000000.varF9 = unk_2000000.var10C->var2 - length;
+    } else {
+        u8 *ptr;
+
+        ptr = StringCopy(unk_2000000.varD8, gOtherText_From);
+        sub_80F8D7C(ptr, unk_2000000.varF4->var12);
+
+        unk_2000000.varF9 = unk_2000000.var10C->var2;
+    }
+}
+#else
+__attribute__((naked))
+static void sub_80F8DA0(void) {
+    asm(".syntax unified\n\
+	push {r4-r7,lr}\n\
+	mov r7, r8\n\
+	push {r7}\n\
+	movs r6, 0\n\
+	movs r5, 0\n\
+	ldr r2, _080F8E3C @ =0x02000000\n\
+	movs r0, 0x86\n\
+	lsls r0, 1\n\
+	adds r1, r2, r0\n\
+	ldr r0, [r1]\n\
+	ldrb r0, [r0]\n\
+	cmp r5, r0\n\
+	bcs _080F8E04\n\
+	mov r8, r2\n\
+	adds r7, r1, 0\n\
+_080F8DBE:\n\
+	lsls r0, r5, 3\n\
+	subs r0, r5\n\
+	lsls r0, 2\n\
+	subs r0, r5\n\
+	add r0, r8\n\
+	mov r1, r8\n\
+	adds r1, 0xF4\n\
+	lsls r2, r6, 1\n\
+	ldr r1, [r1]\n\
+	adds r1, r2\n\
+	ldr r2, [r7]\n\
+	ldr r2, [r2, 0x4]\n\
+	lsls r4, r5, 2\n\
+	adds r2, r4, r2\n\
+	ldr r2, [r2]\n\
+	lsls r2, 28\n\
+	lsrs r2, 30\n\
+	movs r3, 0x1\n\
+	bl ConvertEasyChatWordsToString\n\
+	ldr r1, [r7]\n\
+	ldr r0, [r1, 0x4]\n\
+	adds r4, r0\n\
+	ldr r0, [r4]\n\
+	lsls r0, 28\n\
+	lsrs r0, 30\n\
+	adds r0, r6, r0\n\
+	lsls r0, 24\n\
+	lsrs r6, r0, 24\n\
+	adds r0, r5, 0x1\n\
+	lsls r0, 16\n\
+	lsrs r5, r0, 16\n\
+	ldrb r1, [r1]\n\
+	cmp r5, r1\n\
+	bcc _080F8DBE\n\
+_080F8E04:\n\
+	ldr r2, _080F8E40 @ =0x020000d8\n\
+	adds r4, r2, 0\n\
+	subs r4, 0xD8\n\
+	adds r0, r2, 0\n\
+	adds r0, 0x28\n\
+	ldrb r0, [r0]\n\
+	cmp r0, 0\n\
+	bne _080F8E48\n\
+	ldr r1, [r2, 0x1C]\n\
+	adds r1, 0x12\n\
+	adds r0, r2, 0\n\
+	bl sub_80F8D7C\n\
+	adds r2, r0, 0\n\
+	ldr r1, _080F8E44 @ =gOtherText_From\n\
+	bl StringCopy\n\
+	ldr r0, _080F8E40 @ =0x020000d8\n\
+	bl StringLength\n\
+	movs r2, 0x86\n\
+	lsls r2, 1\n\
+	adds r1, r4, r2\n\
+	ldr r1, [r1]\n\
+	ldrb r1, [r1, 0x2]\n\
+	subs r1, r0\n\
+	b _080F8E6A\n\
+	.align 2, 0\n\
+_080F8E3C: .4byte 0x02000000\n\
+_080F8E40: .4byte 0x020000d8\n\
+_080F8E44: .4byte gOtherText_From\n\
+_080F8E48:\n\
+	ldr r1, _080F8E7C @ =gOtherText_From\n\
+	adds r0, r2, 0\n\
+	bl StringCopy\n\
+	adds r2, r0, 0\n\
+	adds r0, r4, 0\n\
+	adds r0, 0xF4\n\
+	ldr r1, [r0]\n\
+	adds r1, 0x12\n\
+	adds r0, r2, 0\n\
+	bl sub_80F8D7C\n\
+	movs r1, 0x86\n\
+	lsls r1, 1\n\
+	adds r0, r4, r1\n\
+	ldr r0, [r0]\n\
+	ldrb r1, [r0, 0x2]\n\
+_080F8E6A:\n\
+	adds r0, r4, 0\n\
+	adds r0, 0xF9\n\
+	strb r1, [r0]\n\
+	pop {r3}\n\
+	mov r8, r3\n\
+	pop {r4-r7}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_080F8E7C: .4byte gOtherText_From\n\
+    .syntax divided\n");
+}
+#endif
+
+#ifdef NONMATCHING
+static void sub_80F8E80(void) {
+    u16 pos;
+
+    if (unk_2000000.var10C->var0 > 0) {
+        u8 xPos;
+        u8 yPos;
+
+        for (pos = 0; pos < unk_2000000.var10C->var0; pos++) {
+            if (unk_2000000.words[pos][0] == 0xFF) {
+                continue;
+            }
+
+            if (unk_2000000.words[pos][0] == 0x00) {
+                continue;
+            }
+
+            // I assume the words are some kind of bitfield. Again, no idea what's going on here.
+            MenuPrint(unk_2000000.words[pos], xPos, yPos);
+
+        }
+    }
+
+    MenuPrint(unk_2000000.varD8, unk_2000000.varF9, unk_2000000.var10C->var1);
+}
+#else
+__attribute__((naked))
+static void sub_80F8E80(void) {
+    asm(".syntax unified\n\
+	push {r4-r7,lr}\n\
+	mov r7, r8\n\
+	push {r7}\n\
+	movs r6, 0\n\
+	movs r4, 0\n\
+	ldr r1, _080F8F10 @ =0x02000000\n\
+	movs r0, 0x86\n\
+	lsls r0, 1\n\
+	adds r2, r1, r0\n\
+	ldr r0, [r2]\n\
+	ldrb r0, [r0]\n\
+	cmp r4, r0\n\
+	bcs _080F8EF6\n\
+	mov r8, r1\n\
+	adds r7, r2, 0\n\
+_080F8E9E:\n\
+	lsls r0, r4, 3\n\
+	subs r0, r4\n\
+	lsls r0, 2\n\
+	subs r0, r4\n\
+	mov r1, r8\n\
+	adds r5, r0, r1\n\
+	ldrb r0, [r5]\n\
+	cmp r0, 0xFF\n\
+	beq _080F8EE8\n\
+	cmp r0, 0\n\
+	beq _080F8EE8\n\
+	ldr r2, [r7]\n\
+	ldr r1, [r2, 0x4]\n\
+	lsls r0, r4, 2\n\
+	adds r0, r1\n\
+	ldr r0, [r0]\n\
+	lsls r3, r0, 24\n\
+	lsrs r3, 28\n\
+	lsls r0, 30\n\
+	lsrs r0, 30\n\
+	adds r0, r6, r0\n\
+	lsls r0, 24\n\
+	lsrs r6, r0, 24\n\
+	ldrb r2, [r2, 0x3]\n\
+	lsrs r1, r2, 4\n\
+	adds r1, r3\n\
+	lsls r2, 28\n\
+	lsrs r2, 28\n\
+	adds r2, r6, r2\n\
+	lsls r2, 24\n\
+	lsrs r2, 24\n\
+	adds r0, r5, 0\n\
+	bl MenuPrint\n\
+	adds r0, r6, 0x2\n\
+	lsls r0, 24\n\
+	lsrs r6, r0, 24\n\
+_080F8EE8:\n\
+	adds r0, r4, 0x1\n\
+	lsls r0, 16\n\
+	lsrs r4, r0, 16\n\
+	ldr r0, [r7]\n\
+	ldrb r0, [r0]\n\
+	cmp r4, r0\n\
+	bcc _080F8E9E\n\
+_080F8EF6:\n\
+	ldr r0, _080F8F14 @ =0x020000d8\n\
+	adds r1, r0, 0\n\
+	adds r1, 0x21\n\
+	ldrb r1, [r1]\n\
+	ldr r2, [r0, 0x34]\n\
+	ldrb r2, [r2, 0x1]\n\
+	bl MenuPrint\n\
+	pop {r3}\n\
+	mov r8, r3\n\
+	pop {r4-r7}\n\
+	pop {r0}\n\
+	bx r0\n\
+	.align 2, 0\n\
+_080F8F10: .4byte 0x02000000\n\
+_080F8F14: .4byte 0x020000d8\n\
+    .syntax divided\n");
+}
+#endif
+
+static void sub_80F8F18(void) {
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+static void sub_80F8F2C(void) {
+    if(unk_2000000.varFB != 0) {
+        AnimateSprites();
+        BuildOamBuffer();
+    }
+
+    unk_2000000.varF0();
+}
+
+static void sub_80F8F58(void) {
+    u8 local0;
+
+    local0 = UpdatePaletteFade();
+    if(local0 == 0) {
+        unk_2000000.varF0 = sub_80F8F78;
+    }
+}
+
+static void sub_80F8F78(void) {
+    if (gMain.newKeys & (A_BUTTON | B_BUTTON)) {
+        BeginNormalPaletteFade(-1, 0, 0, 16, 0);
+        unk_2000000.varF0 = sub_80F8FB4;
+    }
+}
+
+static void sub_80F8FB4(void) {
+    u16 local1;
+
+    if (UpdatePaletteFade()) {
+        return;
+    }
+
+    SetMainCallback2(unk_2000000.varEC);
+    switch (unk_2000000.varFB) {
+        case 2:
+        case 1:
+            local1 = sub_809D4A8(unk_2000000.varF4->var1E);
+            sub_809D608(local1);
+
+            sub_809D510(&gSprites[unk_2000000.varFC]);
+            break;
+    }
+
+    memset(&unk_2000000, 0, 0x110);
+    ResetPaletteFade();
+}