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#include "global.h"
#include "decompress.h"
#include "gpu_regs.h"
#include "main.h"
#include "m4a.h"
#include "dma3.h"
#include "help_system.h"
#include "list_menu.h"
#include "sound.h"
#include "strings.h"
#include "constants/songs.h"
struct HelpSystemVideoState
{
/*0x00*/ MainCallback savedVblankCb;
/*0x04*/ MainCallback savedHblankCb;
/*0x08*/ u16 savedDispCnt;
/*0x0a*/ u16 savedBg0Cnt;
/*0x0c*/ u16 savedBg0Hofs;
/*0x0e*/ u16 savedBg0Vofs;
/*0x10*/ u16 savedBldCnt;
/*0x12*/ u8 savedTextColor[3];
/*0x15*/ u8 state;
};
void sub_813BB38(void);
void sub_813BB74(void);
void sub_813BBAC(void);
void sub_813BBC8(void);
void sub_813BBDC(void);
void sub_813BCF4(void);
void sub_813BBF4(void);
void sub_813BD14(u8);
void sub_813BF50(u8);
void sub_813BC2C(void);
void sub_813BC48(void);
void sub_813BC5C(void);
void sub_813C454(const u8 * str);
void sub_813C5D4(void);
EWRAM_DATA u8 gUnknown_203B174[0x4000] = {0};
EWRAM_DATA u8 gUnknown_203F174 = 0;
EWRAM_DATA u8 gUnknown_203F175 = 0;
EWRAM_DATA u8 gUnknown_203F176 = 0;
EWRAM_DATA u8 gUnknown_203F177 = 0;
EWRAM_DATA struct HelpSystemVideoState gUnknown_203F178 = {0};
EWRAM_DATA struct HelpSystemStruct_203F190 gUnknown_203F190 = {0};
EWRAM_DATA struct ListMenuItem gUnknown_203F1AC[52] = {0};
const u16 gUnknown_8464008[] = INCBIN_U16("graphics/help_system/unk_8464008.4bpp");
const u16 gUnknown_8464128[] = INCBIN_U16("graphics/help_system/unk_8464008.gbapal");
u8 sub_813B870(void)
{
s32 i;
switch (gUnknown_203F178.state)
{
case 0:
gUnknown_203F177 = 0;
if (gSaveBlock2Ptr->optionsButtonMode != OPTIONS_BUTTON_MODE_NORMAL)
return 0;
if (JOY_NEW(R_BUTTON) && gUnknown_203F175 == 1)
return 0;
if (JOY_NEW(L_BUTTON | R_BUTTON))
{
if (!sub_812B45C() || !gUnknown_3005ECC)
{
PlaySE(SE_HELP_PAGE);
return 0;
}
m4aMPlayStop(&gMPlayInfo_SE1);
m4aMPlayStop(&gMPlayInfo_SE2);
PlaySE(SE_HELP_OPEN);
if (!gUnknown_203F174)
m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 0x80);
sub_813BB38();
gUnknown_203F177 = 1;
gUnknown_203F178.state = 1;
}
break;
case 1:
sub_813BBAC();
sub_813BB74();
sub_813BBC8();
(*(vu16 *)PLTT) = gUnknown_8464128[15];
SetGpuReg(REG_OFFSET_DISPCNT, 0);
gUnknown_203F178.state = 2;
break;
case 2:
RequestDma3Fill(0, (void *)BG_CHAR_ADDR(3), BG_CHAR_SIZE, 0);
RequestDma3Copy(gUnknown_8464128, (void *)PLTT, sizeof(gUnknown_8464128), 0);
RequestDma3Copy(gUnknown_8464008, gDecompressionBuffer + 0x3EE0, sizeof(gUnknown_8464008), 0);
gUnknown_203F178.state = 3;
break;
case 3:
sub_813BCF4();
sub_813C5D4();
sub_813C5FC();
sub_813C454(gUnknown_841CB49);
sub_813BD14(1);
if (sub_812B40C() == TRUE)
sub_812BC54(&gUnknown_203F190, gUnknown_203F1AC);
else
sub_812BCA8(&gUnknown_203F190, gUnknown_203F1AC);
sub_813BE78(1);
sub_813BF50(1);
sub_813BC5C();
gUnknown_203F178.state = 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_16COLOR | BGCNT_SCREENBASE(31));
SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_BG0_ON);
gUnknown_203F178.state = 5;
break;
case 5:
if (!sub_812BB9C(&gUnknown_203F190, gUnknown_203F1AC))
{
PlaySE(SE_HELP_CLOSE);
gUnknown_203F178.state = 6;
}
break;
case 6:
SetGpuReg(REG_OFFSET_DISPCNT, 0);
sub_813BC2C();
for (i = 0; i < 0x200; i += 2)
{
*((vu16 *)(PLTT + 0x000 + i)) = gUnknown_8464128[15];
*((vu16 *)(PLTT + 0x200 + i)) = gUnknown_8464128[15];
}
gUnknown_203F178.state = 7;
break;
case 7:
if (!gUnknown_203F174)
m4aMPlayVolumeControl(&gMPlayInfo_BGM, 0xFFFF, 0x100);
sub_813BC48();
sub_813BBF4();
gUnknown_203F178.state = 8;
break;
case 8:
sub_813BBDC();
gUnknown_203F177 = 0;
gUnknown_203F178.state = 0;
break;
}
return gUnknown_203F178.state;
}
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