176 lines
3.4 KiB
C++
176 lines
3.4 KiB
C++
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper033 Taito TC0190 //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void Mapper033::Reset()
|
|
{
|
|
patch = 0;
|
|
|
|
irq_enable = 0;
|
|
irq_counter = 0;
|
|
|
|
reg[0] = 0;
|
|
reg[1] = 2;
|
|
reg[2] = 4;
|
|
reg[3] = 5;
|
|
reg[4] = 6;
|
|
reg[5] = 7;
|
|
reg[6] = 1;
|
|
|
|
SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
|
|
|
|
if( VROM_8K_SIZE ) {
|
|
SetBank();
|
|
}
|
|
|
|
DWORD crc = nes->rom->GetPROM_CRC();
|
|
// Check For Old #33 games.... (CRC code by NesToy)
|
|
if( crc == 0x5e9bc161 // Akira(J)
|
|
|| crc == 0xecdbafa4 // Bakushou!! Jinsei Gekijou(J)
|
|
|| crc == 0x59cd0c31 // Don Doko Don(J)
|
|
|| crc == 0x837c1342 // Golf Ko Open(J)
|
|
|| crc == 0x42d893e4 // Operation Wolf(J)
|
|
|| crc == 0x1388aeb9 // Operation Wolf(U)
|
|
|| crc == 0x07ee6d8f // Power Blazer(J)
|
|
|| crc == 0x5193fb54 // Takeshi no Sengoku Fuuunji(J)
|
|
|| crc == 0xa71c3452 ) { // Insector X(J)
|
|
patch = 1;
|
|
}
|
|
|
|
nes->SetRenderMethod( NES::PRE_RENDER );
|
|
|
|
// if( crc == 0x202df297 ) { // Captain Saver(J)
|
|
// nes->SetRenderMethod( NES::TILE_RENDER );
|
|
// }
|
|
if( crc == 0x63bb86b5 ) { // The Jetsons(J)
|
|
nes->SetRenderMethod( NES::TILE_RENDER );
|
|
}
|
|
}
|
|
|
|
void Mapper033::Write( WORD addr, BYTE data )
|
|
{
|
|
// LOG( "Mapper033 addr=%04X data=%02X", addr&0xFFFF, data&0xFF );
|
|
|
|
switch( addr ) {
|
|
case 0x8000:
|
|
if( patch ) {
|
|
if( data & 0x40 ) SetVRAM_Mirror( VRAM_HMIRROR );
|
|
else SetVRAM_Mirror( VRAM_VMIRROR );
|
|
SetPROM_8K_Bank( 4, data & 0x1F );
|
|
} else {
|
|
SetPROM_8K_Bank( 4, data );
|
|
}
|
|
break;
|
|
case 0x8001:
|
|
if( patch ) {
|
|
SetPROM_8K_Bank( 5, data & 0x1F );
|
|
} else {
|
|
SetPROM_8K_Bank( 5, data );
|
|
}
|
|
break;
|
|
|
|
case 0x8002:
|
|
reg[0] = data;
|
|
SetBank();
|
|
break;
|
|
case 0x8003:
|
|
reg[1] = data;
|
|
SetBank();
|
|
break;
|
|
case 0xA000:
|
|
reg[2] = data;
|
|
SetBank();
|
|
break;
|
|
case 0xA001:
|
|
reg[3] = data;
|
|
SetBank();
|
|
break;
|
|
case 0xA002:
|
|
reg[4] = data;
|
|
SetBank();
|
|
break;
|
|
case 0xA003:
|
|
reg[5] = data;
|
|
SetBank();
|
|
break;
|
|
|
|
case 0xC003:
|
|
case 0xE003:
|
|
reg[6] = data;
|
|
SetBank();
|
|
break;
|
|
|
|
case 0xC000:
|
|
irq_counter = data;
|
|
// nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
break;
|
|
|
|
case 0xC001:
|
|
case 0xC002:
|
|
case 0xE001:
|
|
case 0xE002:
|
|
irq_enable = data;
|
|
// nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
break;
|
|
|
|
case 0xE000:
|
|
if( data & 0x40 ) SetVRAM_Mirror( VRAM_HMIRROR );
|
|
else SetVRAM_Mirror( VRAM_VMIRROR );
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Mapper033::HSync( INT scanline )
|
|
{
|
|
// nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
if( scanline >= 0 && scanline <= 239 ) {
|
|
if( nes->ppu->IsDispON() ) {
|
|
if( irq_enable ) {
|
|
if( irq_counter == 0xFF ) {
|
|
irq_enable = 0;
|
|
irq_counter = 0;
|
|
// nes->cpu->SetIRQ( IRQ_MAPPER );
|
|
nes->cpu->SetIRQ( IRQ_TRIGGER );
|
|
} else {
|
|
irq_counter++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Mapper033::SetBank()
|
|
{
|
|
SetVROM_2K_Bank( 0, reg[0] );
|
|
SetVROM_2K_Bank( 2, reg[1] );
|
|
|
|
// if( reg[6] & 0x01 ) {
|
|
SetVROM_1K_Bank( 4, reg[2] );
|
|
SetVROM_1K_Bank( 5, reg[3] );
|
|
SetVROM_1K_Bank( 6, reg[4] );
|
|
SetVROM_1K_Bank( 7, reg[5] );
|
|
// } else {
|
|
// SetVROM_2K_Bank( 4, reg[0] );
|
|
// SetVROM_2K_Bank( 6, reg[1] );
|
|
// }
|
|
}
|
|
|
|
void Mapper033::SaveState( LPBYTE p )
|
|
{
|
|
for( INT i = 0; i < 7; i++ ) {
|
|
p[i] = reg[i];
|
|
}
|
|
|
|
p[7] = irq_enable;
|
|
p[8] = irq_counter;
|
|
}
|
|
|
|
void Mapper033::LoadState( LPBYTE p )
|
|
{
|
|
for( INT i = 0; i < 7; i++ ) {
|
|
reg[i] = p[i];
|
|
}
|
|
|
|
irq_enable = p[7];
|
|
irq_counter = p[8];
|
|
}
|