start porting slot machine

1 files changed, 887 insertions, 0 deletions

diff --git a/src/slot_machine.c b/src/slot_machine.c
new file mode 100644
index 000000000..02e842ce9
--- /dev/null
+++ b/src/slot_machine.c
@@ -0,0 +1,887 @@
+#include "global.h"
+#include "constants/songs.h"
+#include "overworld.h"
+#include "field_effect.h"
+#include "random.h"
+#include "sound.h"
+#include "main.h"
+#include "slot_machine.h"
+#include "string_util.h"
+#include "decompress.h"
+#include "trig.h"
+#include "graphics.h"
+#include "palette.h"
+#include "util.h"
+#include "text.h"
+#include "menu.h"
+#include "malloc.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "coins.h"
+#include "tv.h"
+#include "text_window.h"
+#include "constants/rgb.h"
+#include "menu.h"
+
+enum
+{
+    SLOT_MACHINE_TAG_7_RED,
+    SLOT_MACHINE_TAG_7_BLUE,
+    SLOT_MACHINE_TAG_AZURILL,
+    SLOT_MACHINE_TAG_LOTAD,
+    SLOT_MACHINE_TAG_CHERRY,
+    SLOT_MACHINE_TAG_POWER,
+    SLOT_MACHINE_TAG_REPLAY
+};
+
+enum
+{
+    SLOT_MACHINE_MATCHED_1CHERRY,
+    SLOT_MACHINE_MATCHED_2CHERRY,
+    SLOT_MACHINE_MATCHED_REPLAY,
+    SLOT_MACHINE_MATCHED_LOTAD,
+    SLOT_MACHINE_MATCHED_AZURILL,
+    SLOT_MACHINE_MATCHED_POWER,
+    SLOT_MACHINE_MATCHED_777_MIXED,
+    SLOT_MACHINE_MATCHED_777_RED,
+    SLOT_MACHINE_MATCHED_777_BLUE,
+    SLOT_MACHINE_MATCHED_NONE
+};
+
+struct SlotMachineEwramStruct
+{
+    /*0x00*/ u8 state;
+    /*0x01*/ u8 unk01;
+    /*0x02*/ u8 pikaPower;
+    /*0x03*/ u8 unk03;
+    /*0x04*/ u8 unk04;
+    /*0x05*/ u8 unk05;
+    /*0x06*/ u8 unk06;
+    /*0x07*/ u8 unk07;
+    /*0x08*/ u16 matchedSymbols;
+    /*0x0A*/ u8 unk0A;
+    /*0x0B*/ u8 unk0B;
+    /*0x0C*/ s16 coins;
+    /*0x0E*/ s16 payout;
+    /*0x10*/ s16 unk10;
+    /*0x12*/ s16 bet;
+    /*0x14*/ s16 unk14;
+    /*0x16*/ s16 unk16;
+    /*0x18*/ s16 unk18;
+    /*0x1A*/ s16 unk1A;
+    /*0x1C*/ s16 unk1C[3];
+    /*0x22*/ u16 unk22[3];
+    /*0x28*/ s16 reelPositions[3];
+    /*0x2E*/ s16 unk2E[3];
+    /*0x34*/ s16 unk34[3];
+    /*0x3A*/ u8 reelTasks[3];
+    /*0x3D*/ u8 unk3D;
+    /*0x3E*/ u8 unk3E;
+    /*0x3F*/ u8 unk3F;
+    /*0x40*/ u8 unk40;
+    /*0x41*/ u8 unk41;
+    /*0x42*/ u8 unk42;
+    /*0x43*/ u8 unk43;
+    /*0x44*/ u8 unk44[5];
+    /*0x49*/ u8 unk49[2];
+    /*0x49*/ u8 unk4B[3];
+    /*0x4E*/ u8 unk4E[2];
+    /*0x50*/ u8 unk50[2];
+    /*0x52*/ u8 unk52[2];
+    /*0x54*/ u8 unk54[4];
+    /*0x58*/ u16 win0h;
+    /*0x5a*/ u16 win0v;
+    /*0x5c*/ u16 winIn;
+    /*0x5e*/ u16 winOut;
+    /*0x60*/ u16 backupMapMusic;
+    /*0x64*/ MainCallback prevMainCb;
+};
+
+extern struct SlotMachineEwramStruct *sSlotMachine;
+
+struct UnkStruct1
+{
+    /*0x00*/ u8 unk00;
+    /*0x01*/ u8 unk01;
+    /*0x02*/ s16 unk02;
+};
+
+#define SLOTMACHINE_GFX_TILES 233
+
+/*static*/void CB2_SlotMachineSetup(void);
+/*static*/void CB2_SlotMachineLoop(void);
+/*static*/void PlaySlotMachine_Internal(u8 arg0, MainCallback cb);
+/*static*/void SlotMachineDummyTask(u8 taskId);
+/*static*/void SlotMachineSetup_0_0(void);
+/*static*/void SlotMachineSetup_6_2(void);
+/*static*/void SlotMachineSetup_1_0(void);
+/*static*/void SlotMachineSetup_2_0(void);
+/*static*/void SlotMachineSetup_2_1(void);
+/*static*/void SlotMachineSetup_0_1(void);
+/*static*/void SlotMachineSetup_3_0(void);
+/*static*/void SlotMachineSetup_4_0(void);
+/*static*/void SlotMachineSetup_5_0(void);
+/*static*/void SlotMachineSetup_6_0(void);
+/*static*/void SlotMachineSetup_6_1(void);
+/*static*/void SlotMachineSetup_8_0(void);
+/*static*/void SlotMachineSetup_9_0(void);
+/*static*/void SlotMachineSetup_10_0(void);
+/*static*/void SlotMachineSetup_10_1(void);
+/*static*/void sub_8101D04(void);
+/*static*/void sub_8104DA4(void);
+/*static*/void sub_8101D24(u8 taskId);
+/*static*/bool8 sub_8101D5C(struct Task *task);
+/*static*/bool8 sub_8101D8C(struct Task *task);
+/*static*/bool8 sub_8101DB0(struct Task *task);
+/*static*/bool8 sub_8101DF4(struct Task *task);
+/*static*/bool8 sub_8101E10(struct Task *task);
+/*static*/bool8 sub_8101E3C(struct Task *task);
+/*static*/bool8 sub_8101F44(struct Task *task);
+/*static*/bool8 sub_8101F60(struct Task *task);
+/*static*/bool8 sub_8101F88(struct Task *task);
+/*static*/bool8 sub_8101FA4(struct Task *task);
+/*static*/bool8 sub_8102008(struct Task *task);
+/*static*/bool8 sub_8102034(struct Task *task);
+/*static*/bool8 sub_8102058(struct Task *task);
+/*static*/bool8 sub_8102090(struct Task *task);
+bool8 sub_81020C8(struct Task *task);
+/*static*/bool8 sub_81021E0(struct Task *task);
+/*static*/bool8 sub_81021FC(struct Task *task);
+/*static*/bool8 sub_8102264(struct Task *task);
+/*static*/bool8 sub_81022A0(struct Task *task);
+/*static*/bool8 sub_81022CC(struct Task *task);
+/*static*/bool8 sub_81022F0(struct Task *task);
+/*static*/bool8 sub_8102318(struct Task *task);
+/*static*/bool8 sub_8102344(struct Task *task);
+/*static*/bool8 sub_810239C(struct Task *task);
+/*static*/bool8 sub_81023B8(struct Task *task);
+/*static*/bool8 sub_81023E0(struct Task *task);
+/*static*/bool8 sub_81023FC(struct Task *task);
+/*static*/bool8 sub_8102424(struct Task *task);
+/*static*/bool8 sub_8102460(struct Task *task);
+/*static*/void sub_8102484(void);
+/*static*/void sub_81024F0(void);
+/*static*/bool8 sub_8102540(void);
+/*static*/u8 sub_8102578(void);
+/*static*/u16 dp15_jump_random_unknown(void);
+/*static*/u8 sub_81025BC(void);
+/*static*/void CheckMatch(void);
+/*static*/void CheckMatch_CenterRow(void);
+/*static*/void CheckMatch_TopAndBottom(void);
+/*static*/void CheckMatch_Diagonals(void);
+/*static*/u8 GetMatchFromSymbolsInRow(u8 c1, u8 c2, u8 c3);
+/*static*/void sub_8102A24(void);
+/*static*/void sub_8102A64(u8 taskId);
+/*static*/bool8 sub_8102A44(void);
+/*static*/bool8 sub_8102A9C(struct Task *task);
+/*static*/bool8 sub_8102AD0(struct Task *task);
+/*static*/bool8 sub_8102B80(struct Task *task);
+/*static*/u8 GetTagOfReelSymbolOnScreenAtPos(u8 x, s16 y);
+/*static*/void sub_8102DA8(void);
+/*static*/void sub_8102DEC(u8 a0);
+/*static*/void sub_8102E1C(u8 a0);
+/*static*/bool8 sub_8102E40(u8 a0);
+/*static*/void sub_8102E68(u8 taskId);
+/*static*/bool8 sub_8102EA0(struct Task *task);
+/*static*/bool8 sub_8102EA4(struct Task *task);
+/*static*/bool8 sub_8102EC0(struct Task *task);
+/*static*/bool8 sub_8102F4C(struct Task *task);
+/*static*/bool8 sub_8103008(struct Task *task);
+/*static*/bool8 sub_810305C(void);
+/*static*/bool8 sub_8103154(u8 a0, u8 a1);
+/*static*/bool8 sub_81031B4(u8 a0, u8 a1);
+/*static*/bool8 sub_81032C0(void);
+/*static*/bool8 sub_81032E8(void);
+/*static*/bool8 sub_810333C(void);
+/*static*/bool8 sub_81033DC(void);
+/*static*/bool8 sub_810341C(u8 a0);
+/*static*/bool8 sub_810347C(u8 a0);
+/*static*/void sub_81034F4(void);
+/*static*/void sub_8103540(void);
+/*static*/void sub_8103564(void);
+/*static*/void j5_08111E84(void);
+/*static*/void sub_8103668(void);
+/*static*/void sub_810380C(void);
+/*static*/void sub_8103830(void);
+/*static*/void sub_8103910(void);
+/*static*/void sub_8103A78(void);
+/*static*/void sub_8103C14(u8 a0);
+/*static*/void sub_8103C48(u8 taskId);
+/*static*/void sub_8103D50(u8 a0);
+/*static*/void sub_8103C78(struct Task *task, u8 taskId);
+/*static*/void sub_8103CAC(struct Task *task, u8 taskId);
+/*static*/void sub_8103CC8(struct Task *task, u8 taskId);
+/*static*/void sub_8103D8C(u8 a0);
+/*static*/void sub_8103DC8(void);
+/*static*/void sub_8103E04(u8 a0);
+/*static*/bool8 sub_8103E38(void);
+/*static*/bool8 sub_8103E7C(void);
+/*static*/bool8 sub_8103EAC(u8 spriteId);
+/*static*/void sub_8103EE4(struct Sprite *sprite);
+/*static*/void sub_8103F70(void);
+/*static*/bool8 sub_8103FA0(void);
+/*static*/void sub_8103FE8(u8 taskId);
+/*static*/void sub_8104048(void);
+/*static*/void sub_8104064(u8 pikaPower);
+/*static*/bool8 sub_81040C8(void);
+/*static*/void sub_81040E8(u8 taskId);
+/*static*/void nullsub_68(struct Task *task);
+/*static*/void sub_810411C(struct Task *task);
+/*static*/void sub_8104144(struct Task *task);
+/*static*/void sub_81041AC(struct Task *task);
+/*static*/void sub_810421C(struct Task *task);
+/*static*/void sub_810423C(u8 pikaPower);
+/*static*/void sub_810430C(void);
+/*static*/bool8 sub_810432C(void);
+/*static*/void sub_810434C(u8 taskId);
+/*static*/void sub_810437C(struct Task *task);
+/*static*/void sub_81043EC(struct Task *task);
+/*static*/void sub_8104468(struct Task *task);
+/*static*/void sub_8104498(struct Task *task);
+/*static*/void sub_8104548(struct Task *task);
+/*static*/void sub_8104598(struct Task *task);
+/*static*/void sub_81045CC(struct Task *task);
+/*static*/void sub_810463C(struct Task *task);
+/*static*/void sub_81046C0(struct Task *task);
+/*static*/void sub_8104764(struct Task *task);
+/*static*/void sub_8104794(struct Task *task);
+/*static*/void sub_81047EC(struct Task *task);
+/*static*/void sub_8104860(struct Task *task);
+/*static*/void sub_81048A8(struct Task *task);
+/*static*/void sub_81048CC(struct Task *task);
+/*static*/void sub_8104940(struct Task *task);
+/*static*/void sub_81049C8(struct Task *task);
+/*static*/void sub_81049F8(struct Task *task);
+/*static*/void sub_8104A40(s16 a0, s16 a1);
+/*static*/void sub_8104A88(s16 a0);
+/*static*/void sub_8104AB8(u8 a0);
+/*static*/bool8 sub_8104AEC(void);
+/*static*/void sub_8104B0C(u8 taskId);
+/*static*/void sub_8104B3C(struct Task *task);
+/*static*/void sub_8104B60(struct Task *task);
+/*static*/void sub_8104B80(struct Task *task);
+/*static*/void sub_8104BC8(struct Task *task);
+/*static*/void sub_8104BFC(struct Task *task);
+/*static*/void sub_8104C44(struct Task *task);
+/*static*/void sub_8104C5C(void);
+/*static*/void sub_8104CAC(u8 arg0);
+/*static*/bool8 sub_8104E18(void);
+/*static*/void nullsub_69(struct Task *task);
+/*static*/void sub_8104E74(u8 taskId);
+/*static*/void sub_8104EA8(void);
+/*static*/void sub_8104F8C(void);
+/*static*/void sub_8104FF4(s16 x, s16 y, u8 a2, s16 a3);
+/*static*/void sub_81050C4(void);
+/*static*/void sub_8105100(void);
+/*static*/void sub_810514C(void);
+/*static*/void sub_81051C0(void);
+/*static*/void sub_8105284(void);
+/*static*/void sub_81052EC(void);
+/*static*/void sub_81053A0(void);
+/*static*/void sub_810545C(void);
+/*static*/void sub_81054B8(void);
+/*static*/void sub_8105524(void);
+/*static*/void sub_8105554(void);
+/*static*/void sub_8105578(void);
+/*static*/void sub_8105688(s16 a0);
+/*static*/void sub_81056C0(void);
+/*static*/void sub_81056F0(void);
+/*static*/void sub_81057E8(s16 a0);
+/*static*/void sub_8105804(void);
+/*static*/void sub_8105854(void);
+/*static*/void sub_81058A0(void);
+/*static*/void sub_81058C4(void);
+/*static*/void sub_81059B8(void);
+/*static*/void sub_81059E8(void);
+/*static*/bool8 sub_8105ACC(void);
+/*static*/void sub_8105AEC(void);
+/*static*/u8 sub_8105B1C(s16 x, s16 y);
+/*static*/void sub_8105B88(u8 spriteId);
+/*static*/u8 sub_8105BF8(u8 templateIdx, void (*callback)(struct Sprite*), s16 x, s16 y, s16 a4);
+/*static*/void sub_81063C0(void);
+/*static*/void sub_8106404(void);
+/*static*/void sub_8106448(void);
+/*static*/void sub_81064B8(void);
+/*static*/void sub_81065A8(s16 arg0, u16 arg1, u16 arg2, u16 arg3, u16 arg4);
+/*static*/void sub_81065DC(void);
+/*static*/extern const struct UnkStruct1 *const gUnknown_083ED048[];
+/*static*/extern const u16 gPalette_83EDE24[];
+/*static*/extern const u8 gUnknown_083ECD04[][3];
+/*static*/extern const u8 gUnknown_083ECE3A[];
+/*static*/extern const u16 gUnknown_083ECE42[];
+/*static*/extern const u16 gUnknown_083ECE48[];
+
+// code
+#define tState data[0]
+
+void Task_FadeToSlotMachine(u8 taskId)
+{
+    switch (gTasks[taskId].tState)
+    {
+    case 0:
+        BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+        gTasks[taskId].tState++;
+        break;
+    case 1:
+        if (!gPaletteFade.active)
+        {
+            SetMainCallback2(CB2_SlotMachineSetup);
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void PlaySlotMachine(u8 arg0, MainCallback cb)
+{
+    u8 taskId;
+
+    sSlotMachine = AllocZeroed(sizeof(*sSlotMachine));
+    PlaySlotMachine_Internal(arg0, cb);
+    taskId = CreateTask(Task_FadeToSlotMachine, 0);
+    gTasks[taskId].tState = 0;
+}
+
+#undef tState
+
+void CB2_SlotMachineSetup(void)
+{
+    switch (gMain.state)
+    {
+        case 0:
+            SlotMachineSetup_0_0();
+            SlotMachineSetup_0_1();
+            gMain.state++;
+            break;
+        case 1:
+            SlotMachineSetup_1_0();
+            gMain.state++;
+            break;
+        case 2:
+            SlotMachineSetup_2_0();
+            SlotMachineSetup_2_1();
+            gMain.state++;
+            break;
+        case 3:
+            SlotMachineSetup_3_0();
+            gMain.state++;
+            break;
+        case 4:
+            SlotMachineSetup_4_0();
+            gMain.state++;
+            break;
+        case 5:
+            SlotMachineSetup_5_0();
+            gMain.state++;
+            break;
+        case 6:
+            SlotMachineSetup_6_0();
+            gMain.state++;
+            break;
+        case 7:
+            BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
+            ShowBg(0);
+            ShowBg(1);
+            ShowBg(2);
+            ShowBg(3);
+            gMain.state++;
+            break;
+        case 8:
+            SlotMachineSetup_8_0();
+            gMain.state++;
+            break;
+        case 9:
+            SlotMachineSetup_9_0();
+            gMain.state++;
+            break;
+        case 10:
+            SlotMachineSetup_10_0();
+            SlotMachineSetup_10_1();
+            gMain.state++;
+            break;
+        case 11:
+            SetMainCallback2(CB2_SlotMachineLoop);
+            break;
+    }
+}
+
+void CB2_SlotMachineLoop(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void SlotMachine_VBlankCallback(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+    SetGpuReg(REG_OFFSET_WIN0H, sSlotMachine->win0h);
+    SetGpuReg(REG_OFFSET_WIN0V, sSlotMachine->win0v);
+    SetGpuReg(REG_OFFSET_WININ, sSlotMachine->winIn);
+    SetGpuReg(REG_OFFSET_WINOUT, sSlotMachine->winOut);
+}
+
+void PlaySlotMachine_Internal(u8 arg0, MainCallback cb)
+{
+    struct Task *task = gTasks + CreateTask(SlotMachineDummyTask, 0xFF);
+    task->data[0] = arg0;
+    StoreWordInTwoHalfwords(task->data + 1, (intptr_t)cb);
+}
+
+void sub_81019EC(void)
+{
+    struct Task *task = gTasks + FindTaskIdByFunc(SlotMachineDummyTask);
+    sSlotMachine->unk01 = task->data[0];
+    LoadWordFromTwoHalfwords((u16 *)(task->data + 1), (u32 *)&sSlotMachine->prevMainCb);
+}
+
+void SlotMachineDummyTask(u8 taskId)
+{
+}
+
+extern const struct BgTemplate gUnknown_085A7424[4];
+extern const struct WindowTemplate gUnknown_085A7434[];
+
+void SlotMachineSetup_0_0(void)
+{
+    SetVBlankCallback(NULL);
+    SetHBlankCallback(NULL);
+    CpuFill32(0, (void *)VRAM, VRAM_SIZE);
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, gUnknown_085A7424, ARRAY_COUNT(gUnknown_085A7424));
+    InitWindows(gUnknown_085A7434);
+    DeactivateAllTextPrinters();
+}
+
+void SlotMachineSetup_6_0(void)
+{
+    SetVBlankCallback(SlotMachine_VBlankCallback);
+    EnableInterrupts(INTR_FLAG_VBLANK);
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON | DISPCNT_WIN0_ON);
+}
+
+void SlotMachineSetup_1_0(void)
+{
+    DmaClearLarge16(3, (u16 *)(BG_VRAM), BG_VRAM_SIZE, 0x1000);
+}
+
+void SlotMachineSetup_2_0(void)
+{
+    DmaClear16(3, (u16 *)OAM, OAM_SIZE);
+}
+
+void SlotMachineSetup_2_1(void)
+{
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG3CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG2HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG2VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG3HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG3VOFS, 0);
+    SetGpuReg(REG_OFFSET_WININ, 0x3f);
+    SetGpuReg(REG_OFFSET_WINOUT, 0x3f);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_OBJ);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0x809);
+}
+
+extern const s16 gUnknown_083ECCF8[][2];
+
+void SlotMachineSetup_0_1(void)
+{
+    u8 i;
+
+    sub_81019EC();
+    sSlotMachine->state = 0;
+    sSlotMachine->pikaPower = 0;
+    sSlotMachine->unk03 = Random() & 1;
+    sSlotMachine->unk04 = 0;
+    sSlotMachine->matchedSymbols = 0;
+    sSlotMachine->unk0A = 0;
+    sSlotMachine->unk0B = 0;
+    sSlotMachine->coins = GetCoins();
+    sSlotMachine->payout = 0;
+    sSlotMachine->unk10 = 0;
+    sSlotMachine->bet = 0;
+    sSlotMachine->unk18 = 0;
+    sSlotMachine->unk1A = 8;
+    sSlotMachine->win0h = 0xf0;
+    sSlotMachine->win0v = 0xa0;
+    sSlotMachine->winIn = 0x3f;
+    sSlotMachine->winOut = 0x3f;
+    sSlotMachine->backupMapMusic = GetCurrentMapMusic();
+    for (i = 0; i < 3; i++)
+    {
+        sSlotMachine->unk22[i] = 0;
+        sSlotMachine->reelPositions[i] = gUnknown_083ECCF8[i][sSlotMachine->unk03] % 21;
+        sSlotMachine->unk1C[i] = 0x1f8 - sSlotMachine->reelPositions[i] * 24;
+        sSlotMachine->unk1C[i] %= 0x1f8;
+    }
+    sub_80EDE70(GetCoins());
+}
+
+extern u8 gOamLimit;
+
+void SlotMachineSetup_3_0(void)
+{
+    ResetPaletteFade();
+    ResetSpriteData();
+    gOamLimit = 0x80;
+    FreeAllSpritePalettes();
+    ResetTasks();
+}
+
+extern u16 *gUnknown_0203AACC;
+extern u16 *gUnknown_0203AAD0;
+extern u16 *gUnknown_0203AADC;
+
+void SlotMachineSetup_4_0(void)
+{
+    gUnknown_0203AACC = Alloc(8);
+    gUnknown_0203AAD0 = AllocZeroed(0xE);
+    gUnknown_0203AADC = AllocZeroed(8);
+
+    gUnknown_0203AAD0[0] = 0x2051;
+    gUnknown_0203AAD0[1] = 0x2851;
+    gUnknown_0203AAD0[2] = 0x2061;
+    gUnknown_0203AAD0[3] = 0x2861;
+    gUnknown_0203AAD0[4] = 0x20BE;
+    gUnknown_0203AAD0[5] = 0x28BE;
+    gUnknown_0203AAD0[6] = 0x20BF;
+}
+
+/*static*/void sub_812F908(void);
+/*static*/void sub_812F958(void);
+/*static*/void sub_812F7E4(void);
+
+void SlotMachineSetup_5_0(void)
+{
+    sub_812F908();
+    sub_812F958();
+    sub_812F7E4();
+    LoadMessageBoxGfx(0, 0x200, 0xF0);
+    LoadUserWindowBorderGfx(0, 0x214, 0xE0);
+    PutWindowTilemap(0);
+}
+
+void SlotMachineSetup_10_0(void)
+{
+    sub_8104EA8();
+    sub_8104F8C();
+    sub_8103DC8();
+    sub_81050C4();
+}
+
+void SlotMachineSetup_10_1(void)
+{
+    sub_8104048();
+    sub_8102DA8();
+    sub_8104C5C();
+    sub_8101D04();
+}
+
+void sub_8101D04(void)
+{
+    sub_8101D24(CreateTask(sub_8101D24, 0));
+}
+
+extern bool8 (*const gUnknown_083ECAAC[])(struct Task *task);
+
+void sub_8101D24(u8 taskId)
+{
+    while (gUnknown_083ECAAC[sSlotMachine->state](gTasks + taskId))
+        ;
+}
+
+bool8 sub_8101D5C(struct Task *task)
+{
+    BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, RGB(0, 0, 0));
+    sub_810423C(sSlotMachine->pikaPower);
+    sSlotMachine->state++;
+    return FALSE;
+}
+
+bool8 sub_8101D8C(struct Task *task)
+{
+    if (!gPaletteFade.active)
+        sSlotMachine->state++;
+    return FALSE;
+}
+
+bool8 sub_8101DB0(struct Task *task)
+{
+    sSlotMachine->payout = 0;
+    sSlotMachine->bet = 0;
+    sSlotMachine->unk18 = 0;
+    sSlotMachine->unk04 &= 0xc0;
+    sSlotMachine->state = 4;
+    if (sSlotMachine->coins <= 0)
+    {
+        sSlotMachine->state = 25;
+    }
+    else if (sSlotMachine->unk0A)
+    {
+        sSlotMachine->state = 3;
+        sub_8104CAC(4);
+    }
+    return TRUE;
+}
+
+bool8 sub_8101DF4(struct Task *task)
+{
+    if (sub_8104E18())
+        sSlotMachine->state = 4;
+    return FALSE;
+}
+
+bool8 sub_8101E10(struct Task *task)
+{
+    sub_8104CAC(0);
+    sSlotMachine->state = 5;
+    if (sSlotMachine->coins >= 9999)
+        sSlotMachine->state = 23;
+    return TRUE;
+}
+
+bool8 sub_8101E3C(struct Task *task)
+{
+    s16 i;
+
+    if (gMain.newKeys & SELECT_BUTTON)
+    {
+        sub_8104AB8(0);
+        sSlotMachine->state = 8;
+    }
+    else if (gMain.newKeys & R_BUTTON)
+    {
+        if (sSlotMachine->coins - (3 - sSlotMachine->bet) >= 0)
+        {
+            for (i = sSlotMachine->bet; i < 3; i++)
+                sub_8103D50(i);
+            sSlotMachine->coins -= (3 - sSlotMachine->bet);
+            sSlotMachine->bet = 3;
+            sSlotMachine->state = 9;
+            PlaySE(SE_REGI);
+        }
+        else
+        {
+            sSlotMachine->state = 6;
+        }
+    }
+    else
+    {
+        if (gMain.newKeys & DPAD_DOWN && sSlotMachine->coins != 0)
+        {
+            PlaySE(SE_REGI);
+            sub_8103D50(sSlotMachine->bet);
+            sSlotMachine->coins--;
+            sSlotMachine->bet++;
+        }
+        if (sSlotMachine->bet >= 3 || (sSlotMachine->bet != 0 && gMain.newKeys & A_BUTTON))
+            sSlotMachine->state = 9;
+        if (gMain.newKeys & B_BUTTON)
+            sSlotMachine->state = 21;
+    }
+    return FALSE;
+}
+
+extern const u8 gText_YouDontHaveThreeCoins[];
+
+bool8 sub_8101F44(struct Task *task)
+{
+    NewMenuHelpers_DrawDialogueFrame(0, 0);
+    PrintTextOnWindow(0, 1, gText_YouDontHaveThreeCoins, 0, 1, 0, 0);
+    CopyWindowToVram(0, 3);
+    sSlotMachine->state = 7;
+    return FALSE;
+}
+
+bool8 sub_8101F60(struct Task *task)
+{
+    if (gMain.newKeys & (A_BUTTON | B_BUTTON))
+    {
+        sub_8197434(0, TRUE);
+        sSlotMachine->state = 5;
+    }
+    return FALSE;
+}
+
+bool8 sub_8101F88(struct Task *task)
+{
+    if (sub_8104AEC())
+        sSlotMachine->state = 5;
+    return FALSE;
+}
+
+bool8 sub_8101FA4(struct Task *task)
+{
+    sub_8102484();
+    sub_8104DA4();
+    sub_8102DEC(0);
+    sub_8102DEC(1);
+    sub_8102DEC(2);
+    sub_80EEC80();
+    task->data[0] = 0;
+    if (sSlotMachine->unk04 & 0x20)
+    {
+        sub_810430C();
+        sSlotMachine->state = 10;
+    }
+    else
+    {
+        sub_8104CAC(1);
+        sSlotMachine->state = 11;
+    }
+    sSlotMachine->unk1A = 8;
+    if (sSlotMachine->unk0A)
+        sSlotMachine->unk1A = dp15_jump_random_unknown();
+    return FALSE;
+}
+
+bool8 sub_8102008(struct Task *task)
+{
+    if (sub_810432C())
+    {
+        sub_8104CAC(1);
+        sSlotMachine->unk04 &= 0xDF;
+        sSlotMachine->state = 11;
+    }
+    return FALSE;
+}
+
+bool8 sub_8102034(struct Task *task)
+{
+    if (++task->data[0] >= 30)
+    {
+        sub_81024F0();
+        sSlotMachine->state = 12;
+    }
+    return FALSE;
+}
+
+bool8 sub_8102058(struct Task *task)
+{
+    if (gMain.newKeys & A_BUTTON)
+    {
+        PlaySE(SE_JYUNI);
+        sub_8102E1C(sSlotMachine->unk18);
+        sub_8103C14(sSlotMachine->unk18);
+        sSlotMachine->state = 13;
+    }
+    return FALSE;
+}
+
+bool8 sub_8102090(struct Task *task)
+{
+    if (!sub_8102E40(sSlotMachine->unk18))
+    {
+        sSlotMachine->unk18++;
+        sSlotMachine->state = 12;
+        if (sSlotMachine->unk18 > 2)
+        {
+            sSlotMachine->state = 14;
+        }
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_81020C8(struct Task *task)
+{
+    sSlotMachine->unk04 &= 0xc0;
+    CheckMatch();
+    if (sSlotMachine->unk0A)
+    {
+        sSlotMachine->unk0A--;
+        sSlotMachine->unk0B++;
+    }
+
+    if (sSlotMachine->matchedSymbols)
+    {
+        sSlotMachine->state = 15;
+        sub_8102A24();
+        sub_8103F70();
+        if ((sSlotMachine->unk10 -= sSlotMachine->payout) < 0)
+        {
+            sSlotMachine->unk10 = 0;
+        }
+        if (sSlotMachine->matchedSymbols & ((1 << SLOT_MACHINE_MATCHED_777_BLUE) | (1 << SLOT_MACHINE_MATCHED_777_RED)))
+        {
+            PlayFanfare(MUS_ME_B_BIG);
+            sub_8104CAC(6);
+        }
+        else if (sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_777_MIXED))
+        {
+            PlayFanfare(MUS_ME_B_BIG);
+            sub_8104CAC(5);
+        }
+        else
+        {
+            PlayFanfare(MUS_ME_B_SMALL);
+            sub_8104CAC(2);
+        }
+        if (sSlotMachine->matchedSymbols & ((1 << SLOT_MACHINE_MATCHED_777_MIXED) | (1 << SLOT_MACHINE_MATCHED_777_BLUE) | (1 << SLOT_MACHINE_MATCHED_777_RED)))
+        {
+            sSlotMachine->unk04 &= 0x3f;
+            if (sSlotMachine->matchedSymbols & ((1 << SLOT_MACHINE_MATCHED_777_BLUE) | (1 << SLOT_MACHINE_MATCHED_777_RED)))
+            {
+                sSlotMachine->unk0A = 0;
+                sSlotMachine->unk0B = 0;
+                sSlotMachine->unk03 = 0;
+                if (sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_777_BLUE))
+                    sSlotMachine->unk03 = 1;
+            }
+        }
+        if (sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_POWER) && sSlotMachine->pikaPower < 16)
+        {
+            sSlotMachine->pikaPower++;
+            sub_8104064(sSlotMachine->pikaPower);
+        }
+    }
+    else
+    {
+        sub_8104CAC(3);
+        sSlotMachine->state = 20;
+        if ((sSlotMachine->unk10 += sSlotMachine->bet) > 9999)
+            sSlotMachine->unk10 = 9999;
+    }
+    return FALSE;
+}
+
+bool8 sub_81021E0(struct Task *task)
+{
+    if (sub_8102A44())
+        sSlotMachine->state = 16;
+    return FALSE;
+}
+
+bool8 sub_81021FC(struct Task *task)
+{
+    if (sub_8103FA0())
+    {
+        sSlotMachine->state = 19;
+        if (sSlotMachine->matchedSymbols & ((1 << SLOT_MACHINE_MATCHED_777_RED) | (1 << SLOT_MACHINE_MATCHED_777_BLUE)))
+            IncrementGameStat(GAME_STAT_SLOT_JACKPOTS);
+        if (sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_REPLAY))
+        {
+            sSlotMachine->unk18 = 0;
+            sSlotMachine->state = 9;
+        }
+        if (sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_POWER))
+            sSlotMachine->state = 17;
+        if (sSlotMachine->unk0A && sSlotMachine->matchedSymbols & (1 << SLOT_MACHINE_MATCHED_REPLAY))
+        {
+            sub_8104CAC(4);
+            sSlotMachine->state = 18;
+        }
+    }
+    return FALSE;
+}