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#include "global.h"
#include "m4a.h"
#define NUM_BG_SONGS 128
extern u8 sub_80023E4(u32);
extern void sub_80118C4(u16);
extern void sub_809C730();
extern bool8 DisableInterrupts();
extern bool8 EnableInterrupts();
extern void sub_800C3F8(u16, u16);
extern void Random();
extern void sub_800BA5C();
extern void xxx_update_bg_sound_input();
extern u16 gUnknown_202D688;
extern u16 gUnknown_202D68A;
extern u16 gUnknown_202D690;
extern u8 gUnknown_202D694;
extern u32 gUnknown_203B0B8;
extern u16 gUnknown_203B0BC;
bool8 IsBGSong(u32);
bool8 sub_800CAAC(u32);
bool8 sub_800CACC(u32);
u16 sub_800CAE0(u16);
void sub_800C93C(void)
{
bool8 interrupt_flag;
u16 temp;
sub_800C3F8(0x3e5, 0x10);
sub_800C3F8(0x3e6, 0x10);
interrupt_flag = DisableInterrupts();
if(gUnknown_202D690 == 0)
{
if(gUnknown_202D68A != 0x3e7)
{
temp = gUnknown_202D688 - 1;
if(temp <= 1)
{
if(gUnknown_202D688 == 2)
{
gUnknown_202D694 = gUnknown_202D690;
}
else
{
if(gUnknown_202D688 == 1)
{
gUnknown_202D694 = 1;
}
}
gUnknown_202D688 = 4;
}
}
}
m4aMPlayStop(&gUnknown_20008F0);
m4aSoundVSyncOff();
if(interrupt_flag)
{
EnableInterrupts();
}
}
void sub_800C9CC(void)
{
bool8 interrupt_flag = DisableInterrupts();
m4aSoundVSyncOn();
if(gUnknown_202D690 == 0)
{
if(gUnknown_202D68A != 0x3e7)
{
if(gUnknown_202D688 == 4)
{
gUnknown_202D688 = 1;
if(gUnknown_202D694 != 0)
{
m4aSongNumStart(gUnknown_202D68A);
}
else
{
m4aMPlayContinue(&gUnknown_20008F0);
}
}
}
}
if(interrupt_flag)
{
EnableInterrupts();
}
}
void nullsub_179(void)
{
}
#ifndef NONMATCHING
NAKED
#endif
u8 sub_800CA38(u32 songIndex)
{
#ifdef NONMATCHING
if(IsBGSong(songIndex))
{
if(sub_800CAE0(songIndex) == 0)
{
return 1;
}
}
if(sub_800CACC(songIndex))
{
// TODO compiler gets weird here wanted to skip to next check
if(sub_800CAE0(songIndex) == 1)
{
_0800CA70:
return 1;
}
}
if(sub_800CAAC(songIndex))
{
if((sub_800CAE0(songIndex) > 1))
{
goto _0800CA70;
}
}
return 0;
#else
asm_unified("\tpush {r4,lr}\n"
"\tadds r4, r0, 0\n"
"\tbl IsBGSong\n"
"\tlsls r0, 24\n"
"\tcmp r0, 0\n"
"\tbeq _0800CA54\n"
"\tlsls r0, r4, 16\n"
"\tlsrs r0, 16\n"
"\tbl sub_800CAE0\n"
"\tlsls r0, 16\n"
"\tcmp r0, 0\n"
"\tbeq _0800CA70\n"
"_0800CA54:\n"
"\tadds r0, r4, 0\n"
"\tbl sub_800CACC\n"
"\tlsls r0, 24\n"
"\tcmp r0, 0\n"
"\tbeq _0800CA74\n"
"\tlsls r0, r4, 16\n"
"\tlsrs r0, 16\n"
"\tbl sub_800CAE0\n"
"\tlsls r0, 16\n"
"\tlsrs r0, 16\n"
"\tcmp r0, 0x1\n"
"\tbne _0800CA90\n"
"_0800CA70:\n"
"\tmovs r0, 0x1\n"
"\tb _0800CA92\n"
"_0800CA74:\n"
"\tadds r0, r4, 0\n"
"\tbl sub_800CAAC\n"
"\tlsls r0, 24\n"
"\tcmp r0, 0\n"
"\tbeq _0800CA90\n"
"\tlsls r0, r4, 16\n"
"\tlsrs r0, 16\n"
"\tbl sub_800CAE0\n"
"\tlsls r0, 16\n"
"\tlsrs r0, 16\n"
"\tcmp r0, 0x1\n"
"\tbhi _0800CA70\n"
"_0800CA90:\n"
"\tmovs r0, 0\n"
"_0800CA92:\n"
"\tpop {r4}\n"
"\tpop {r1}\n"
"\tbx r1");
#endif
}
void nullsub_19(void)
{
}
bool8 IsBGSong(u32 songIndex)
{
if(songIndex <= NUM_BG_SONGS)
{
return TRUE;
}
return FALSE;
}
bool8 sub_800CAAC(u32 songIndex)
{
if(songIndex - 300 <= 639)
{
return TRUE;
}
return FALSE;
}
bool8 sub_800CACC(u32 songIndex)
{
if(songIndex - 200 <= 19)
{
return TRUE;
}
return FALSE;
}
u16 sub_800CAE0(u16 songIndex)
{
return gSongTable[songIndex].ms;
}
bool8 sub_800CAF0(u16 songIndex)
{
// Had to cast this.. m4a_internal header has this as u32
if((u16)gMPlayTable[songIndex].info->status == 0)
{
return 0;
}
return 1;
}
void nullsub_20(u16 songIndex)
{
}
void nullsub_21(void)
{
}
void sub_800CB20(void)
{
sub_800BA5C();
gUnknown_203B0B8++;
if((gUnknown_203B0BC & 5) != 0)
{
Random();
}
Random();
}
u32 sub_800CB50(void)
{
return gUnknown_203B0B8;
}
void nullsub_180(void)
{
}
void xxx_call_update_bg_sound_input(void)
{
xxx_update_bg_sound_input();
}
void nullsub_181(void)
{
}
u32 sub_800CB70(void)
{
return 0;
}
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