REDRIVER2/src_rebuild/EMULATOR/LIBSPU.C

#include "LIBSPU.H"
#include "LIBETC.H"
#include <stdio.h>
#include "EMULATOR.H"
#include "LIBAPI.H"

#include <string.h>

#define SPU_CENTERNOTE (-32768 / 2)

short _spu_voice_centerNote[24] =
{
	SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE,
	SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE,
	SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE, SPU_CENTERNOTE
};

SpuCommonAttr dword_424;//Might be wrong struct, need to check
int _spu_isCalled = 0;
int _spu_FiDMA = 0;///@TODO decl as extern find initial value
int _spu_EVdma = 0;
int _spu_rev_flag = 0;
int _spu_rev_reserve_wa = 0;
int _spu_rev_offsetaddr = 0;
int _spu_rev_startaddr = 0;
int _spu_AllocBlockNum = 0;
int _spu_AllocLastNum = 0;
int _spu_memList = 0;
int _spu_trans_mode = 0;
int _spu_transMode = 0;
int _spu_keystat = 0;
int _spu_RQmask = 0;
int _spu_RQvoice = 0;
int _spu_env = 0;
char spu[440];//0x1F801C00 is base address
short* _spu_RXX = (short*)&spu[0];
int _spu_mem_mode_plus = 3;
void* _spu_transferCallback = NULL;///@TODO initial value check
int _spu_inTransfer = 0;///@TODO initial value check
unsigned short _spu_tsa = 0;

void SpuGetAllKeysStatus(char* status)
{
	UNIMPLEMENTED();
}

void SpuSetKeyOnWithAttr(SpuVoiceAttr* attr)
{
	UNIMPLEMENTED();
}

void _spu_t(int mode, int flag)
{
	UNIMPLEMENTED();
}

void _spu_Fw(unsigned char* addr, unsigned long size)
{
	//v0 = _spu_transMode
	//s1 = addr
	//s0 = size

	if (_spu_trans_mode == 0)
	{
		//v0 = _spu_tsa
		//a1 = _spu_mem_mode_plus
		//a0 = 2
		_spu_t(2, _spu_tsa << _spu_mem_mode_plus);
		///@TODO check if a1 is modified in spu_t
	}
	//loc_A84
#if 0
jal     _spu_t
sllv    $a1, $v0, $a1

jal     _spu_t
li      $a0, 1

li      $a0, 3
move    $a1, $s1
jal     _spu_t
move    $a2, $s0
j       loc_A94
move    $v0, $s0

loc_A84:
move    $a0, $s1
jal     sub_480
move    $a1, $s0
move    $v0, $s0

loc_A94:
lw      $ra, 0x20+var_8($sp)
lw      $s1, 0x20+var_C($sp)
lw      $s0, 0x20+var_10($sp)
jr      $ra
addiu   $sp, 0x20
 # End of function _spu_Fw
#endif
}

unsigned long SpuWrite(unsigned char* addr, unsigned long size)
{
	if (0x7EFF0 < size)
	{
		size = 0x7EFF0;
	}

	//loc_228
	_spu_Fw(addr, size);

	if (_spu_transferCallback == NULL)
	{
		_spu_inTransfer = 0;
	}

	return size;
}

long SpuSetTransferMode(long mode)
{
	long mode_fix = mode == 0 ? 0 : 1;

	//trans_mode = mode;
	//transMode = mode_fix;

	return mode_fix;
}

unsigned long SpuSetTransferStartAddr(unsigned long addr)
{
	UNIMPLEMENTED();
	return 0;
}

long SpuIsTransferCompleted(long flag)
{
	UNIMPLEMENTED();
	return 0;
}

void _SpuDataCallback(int a0)
{
	UNIMPLEMENTED();
}

void SpuStart()//(F)
{
	long event = 0;

	if (_spu_isCalled == 0)
	{
		_spu_isCalled = 1;
		EnterCriticalSection();
		_SpuDataCallback(_spu_FiDMA);
		//event = OpenEvent(HwSPU, EvSpCOMP, EvMdNOINTR, NULL);
		_spu_EVdma = event;
		EnableEvent(event);
		ExitCriticalSection();
	}
	//loc_348
}

void _spu_init(int a0)
{
	UNIMPLEMENTED();
}

void _spu_FsetRXX(int a0, int a1, int a2)//(F)
{
	if (a2 == 0)
	{
		_spu_RXX[a0] = a1;
	}
	else
	{
		_spu_RXX[a0] = a1 >> _spu_mem_mode_plus;
	}
}

void _SpuInit(int a0)
{
	ResetCallback();
	_spu_init(a0);

	if (a0 == 0)
	{
		for (int i = 0; i < sizeof(_spu_voice_centerNote) / sizeof(short); i++)
		{
			_spu_voice_centerNote[i] = SPU_CENTERNOTE;
		}
	}
	//loc_240
	SpuStart();

	_spu_rev_flag = 0;
	_spu_rev_reserve_wa = 0;
	dword_424.mask = 0;
	dword_424.mvol.left = 0;
	dword_424.mvol.right = 0;
	dword_424.mvolmode.left = 0;
	dword_424.mvolmode.right = 0;
	dword_424.mvolx.left = 0;
	dword_424.mvolx.right = 0;
	_spu_rev_offsetaddr = _spu_rev_startaddr;
	_spu_FsetRXX(209, _spu_rev_startaddr, 0);
	_spu_AllocBlockNum = 0;
	_spu_AllocLastNum = 0;
	_spu_memList = 0;
	_spu_trans_mode = 0;
	_spu_transMode = 0;
	_spu_keystat = 0;
	_spu_RQmask = 0;
	_spu_RQvoice = 0;
	_spu_env = 0;
}

void SpuInit(void)
{
	_SpuInit(0);
}

long SpuSetMute(long on_off)
{
	UNIMPLEMENTED();
	return 0;
}

long SpuSetReverb(long on_off)
{
	UNIMPLEMENTED();
	return 0;
}

unsigned long SpuSetReverbVoice(long on_off, unsigned long voice_bit)
{
	UNIMPLEMENTED();
	return 0;
}

void SpuSetCommonAttr(SpuCommonAttr* attr)
{
	UNIMPLEMENTED();
}

long SpuInitMalloc(long num, char* top)//(F)
{
	if (num > 0)
	{
		//loc_214
		((int*)top)[0] = 0x40001010;
		_spu_memList = (uintptr_t)top;
		_spu_AllocLastNum = 0;
		_spu_AllocBlockNum = num;
		((int*)top)[1] = (0x10000000 << _spu_mem_mode_plus) - 0x1010;
	}

	return num;
}

long SpuMalloc(long size)
{
	return 0/*(long)(uintptr_t)malloc(size)*/;
}

long SpuMallocWithStartAddr(unsigned long addr, long size)
{
	UNIMPLEMENTED();
	return 0;
}

void SpuFree(unsigned long addr)
{
	/*free((void*)(uintptr_t)addr)*/;
}

void SpuSetCommonMasterVolume(short mvol_left, short mvol_right)// (F)
{
	//MasterVolume.VolumeLeft.Raw = mvol_left;
	//MasterVolume.VolumeRight.Raw = mvol_right;
}

long SpuSetReverbModeType(long mode)
{
	UNIMPLEMENTED();
	return 0;
}

void SpuSetReverbModeDepth(short depth_left, short depth_right)
{
	UNIMPLEMENTED();
}