302 lines
6.2 KiB
C++
302 lines
6.2 KiB
C++
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper019 Namcot 106 //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void Mapper019::Reset()
|
|
{
|
|
patch = 0;
|
|
|
|
reg[0] = reg[1] = reg[2] = 0;
|
|
|
|
::memset( exram, 0, sizeof(exram) );
|
|
|
|
irq_enable = 0;
|
|
irq_counter = 0;
|
|
|
|
SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
|
|
|
|
if( VROM_1K_SIZE >= 8 ) {
|
|
SetVROM_8K_Bank( VROM_8K_SIZE-1 );
|
|
}
|
|
|
|
exsound_enable = 0xFF;
|
|
|
|
DWORD crc = nes->rom->GetPROM_CRC();
|
|
|
|
if( crc == 0xb62a7b71 ) { // Family Circuit '91(J)
|
|
patch = 1;
|
|
}
|
|
|
|
if( crc == 0x14942c06 ) { // Wagan Land 3(J)
|
|
patch = 2;
|
|
}
|
|
|
|
if( crc == 0x968dcf09 ) { // Final Lap(J)
|
|
nes->SetRenderMethod( NES::PRE_ALL_RENDER );
|
|
}
|
|
if( crc == 0x3deac303 ) { // Rolling Thunder(J)
|
|
nes->SetRenderMethod( NES::POST_ALL_RENDER );
|
|
}
|
|
|
|
if( crc == 0xb1b9e187 ) { // For Kaijuu Monogatari(J)
|
|
nes->SetRenderMethod( NES::PRE_ALL_RENDER );
|
|
}
|
|
|
|
if( crc == 0x6901346e ) { // For Sangokushi 2 - Haou no Tairiku(J)
|
|
nes->SetRenderMethod( NES::PRE_ALL_RENDER );
|
|
}
|
|
|
|
// if( crc == 0xdd454208 ) { // Hydlide 3(J)
|
|
// nes->SetRenderMethod( NES::PRE_ALL_RENDER );
|
|
// }
|
|
|
|
if( crc == 0xaf15338f // For Mindseeker(J)
|
|
|| crc == 0xb1b9e187 // For Kaijuu Monogatari(J)
|
|
|| crc == 0x96533999 // Dokuganryuu Masamune(J)
|
|
// || crc == 0x2b825ce1 // Namco Classic(J)
|
|
// || crc == 0x9a2b0641 // Namco Classic 2(J)
|
|
|| crc == 0x3296ff7a // Battle Fleet(J)
|
|
|| crc == 0xdd454208 ) { // Hydlide 3(J)
|
|
exsound_enable = 0;
|
|
}
|
|
|
|
if( crc == 0x429fd177 ) { // Famista '90(J)
|
|
exsound_enable = 0;
|
|
}
|
|
|
|
if( exsound_enable ) {
|
|
nes->apu->SelectExSound( 0x10 );
|
|
}
|
|
}
|
|
|
|
BYTE Mapper019::ReadLow( WORD addr )
|
|
{
|
|
BYTE data = 0;
|
|
|
|
switch( addr & 0xF800 ) {
|
|
case 0x4800:
|
|
if( addr == 0x4800 ) {
|
|
if( exsound_enable ) {
|
|
nes->apu->ExRead(addr);
|
|
data = exram[reg[2]&0x7F];
|
|
} else {
|
|
data = WRAM[reg[2]&0x7F];
|
|
}
|
|
if( reg[2]&0x80 )
|
|
reg[2] = (reg[2]+1)|0x80;
|
|
return data;
|
|
}
|
|
break;
|
|
case 0x5000:
|
|
return (BYTE)irq_counter & 0x00FF;
|
|
case 0x5800:
|
|
return (BYTE)((irq_counter>>8) & 0x7F);
|
|
case 0x6000:
|
|
case 0x6800:
|
|
case 0x7000:
|
|
case 0x7800:
|
|
return Mapper::ReadLow( addr );
|
|
}
|
|
|
|
return (BYTE)(addr>>8);
|
|
}
|
|
|
|
void Mapper019::WriteLow( WORD addr, BYTE data )
|
|
{
|
|
switch( addr & 0xF800 ) {
|
|
case 0x4800:
|
|
if( addr == 0x4800 ) {
|
|
if( exsound_enable ) {
|
|
nes->apu->ExWrite( addr, data );
|
|
exram[reg[2]&0x7F] = data;
|
|
} else {
|
|
WRAM[reg[2]&0x7F] = data;
|
|
}
|
|
if( reg[2]&0x80 )
|
|
reg[2] = (reg[2]+1)|0x80;
|
|
}
|
|
break;
|
|
case 0x5000:
|
|
irq_counter = (irq_counter & 0xFF00) | (WORD)data;
|
|
// if( irq_enable ) {
|
|
// irq_counter++;
|
|
// }
|
|
nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
break;
|
|
case 0x5800:
|
|
irq_counter = (irq_counter & 0x00FF) | ((WORD)(data & 0x7F) << 8);
|
|
irq_enable = data & 0x80;
|
|
// if( irq_enable ) {
|
|
// irq_counter++;
|
|
// }
|
|
// if( !irq_enable ) {
|
|
// nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
// }
|
|
nes->cpu->ClrIRQ( IRQ_MAPPER );
|
|
break;
|
|
case 0x6000:
|
|
case 0x6800:
|
|
case 0x7000:
|
|
case 0x7800:
|
|
Mapper::WriteLow( addr, data );
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Mapper019::Write( WORD addr, BYTE data )
|
|
{
|
|
switch( addr & 0xF800 ) {
|
|
case 0x8000:
|
|
if( (data < 0xE0) || (reg[0] != 0) ) {
|
|
SetVROM_1K_Bank( 0, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 0, data&0x1F );
|
|
}
|
|
break;
|
|
case 0x8800:
|
|
if( (data < 0xE0) || (reg[0] != 0) ) {
|
|
SetVROM_1K_Bank( 1, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 1, data&0x1F );
|
|
}
|
|
break;
|
|
case 0x9000:
|
|
if( (data < 0xE0) || (reg[0] != 0) ) {
|
|
SetVROM_1K_Bank( 2, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 2, data&0x1F );
|
|
}
|
|
break;
|
|
case 0x9800:
|
|
if( (data < 0xE0) || (reg[0] != 0) ) {
|
|
SetVROM_1K_Bank( 3, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 3, data&0x1F );
|
|
}
|
|
break;
|
|
case 0xA000:
|
|
if( (data < 0xE0) || (reg[1] != 0) ) {
|
|
SetVROM_1K_Bank( 4, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 4, data&0x1F );
|
|
}
|
|
break;
|
|
case 0xA800:
|
|
if( (data < 0xE0) || (reg[1] != 0) ) {
|
|
SetVROM_1K_Bank( 5, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 5, 5 );
|
|
}
|
|
break;
|
|
case 0xB000:
|
|
if( (data < 0xE0) || (reg[1] != 0) ) {
|
|
SetVROM_1K_Bank( 6, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 6, data&0x1F );
|
|
}
|
|
break;
|
|
case 0xB800:
|
|
if( (data < 0xE0) || (reg[1] != 0) ) {
|
|
SetVROM_1K_Bank( 7, data );
|
|
} else {
|
|
SetCRAM_1K_Bank( 7, data&0x1F );
|
|
}
|
|
break;
|
|
case 0xC000:
|
|
if( !patch ) {
|
|
if( data <= 0xDF ) {
|
|
SetVROM_1K_Bank( 8, data );
|
|
} else {
|
|
SetVRAM_1K_Bank( 8, data & 0x01 );
|
|
}
|
|
}
|
|
break;
|
|
case 0xC800:
|
|
if( !patch ) {
|
|
if( data <= 0xDF ) {
|
|
SetVROM_1K_Bank( 9, data );
|
|
} else {
|
|
SetVRAM_1K_Bank( 9, data & 0x01 );
|
|
}
|
|
}
|
|
break;
|
|
case 0xD000:
|
|
if( !patch ) {
|
|
if( data <= 0xDF ) {
|
|
SetVROM_1K_Bank( 10, data );
|
|
} else {
|
|
SetVRAM_1K_Bank( 10, data & 0x01 );
|
|
}
|
|
}
|
|
break;
|
|
case 0xD800:
|
|
if( !patch ) {
|
|
if( data <= 0xDF ) {
|
|
SetVROM_1K_Bank( 11, data );
|
|
} else {
|
|
SetVRAM_1K_Bank( 11, data & 0x01 );
|
|
}
|
|
}
|
|
break;
|
|
case 0xE000:
|
|
SetPROM_8K_Bank( 4, data & 0x3F );
|
|
if( patch == 2 ) {
|
|
if( data & 0x40 ) SetVRAM_Mirror( VRAM_VMIRROR );
|
|
else SetVRAM_Mirror( VRAM_MIRROR4L );
|
|
}
|
|
break;
|
|
case 0xE800:
|
|
reg[0] = data & 0x40;
|
|
reg[1] = data & 0x80;
|
|
SetPROM_8K_Bank( 5, data & 0x3F );
|
|
break;
|
|
case 0xF000:
|
|
SetPROM_8K_Bank( 6, data & 0x3F );
|
|
break;
|
|
case 0xF800:
|
|
if( addr == 0xF800 ) {
|
|
if( exsound_enable ) {
|
|
nes->apu->ExWrite( addr, data );
|
|
}
|
|
reg[2] = data;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Mapper019::Clock( INT cycles )
|
|
{
|
|
if( irq_enable ) {
|
|
if( (irq_counter+=cycles) >= 0x7FFF ) {
|
|
// irq_counter = 0x7FFF;
|
|
// nes->cpu->IRQ_NotPending();
|
|
|
|
irq_enable = 0;
|
|
// irq_counter &= 0x7FFF;
|
|
irq_counter = 0x7FFF;
|
|
nes->cpu->SetIRQ( IRQ_MAPPER );
|
|
}
|
|
}
|
|
}
|
|
|
|
void Mapper019::SaveState( LPBYTE p )
|
|
{
|
|
p[0] = reg[0];
|
|
p[1] = reg[1];
|
|
p[2] = reg[2];
|
|
p[3] = irq_enable;
|
|
*(WORD*)&p[4] = irq_counter;
|
|
|
|
::memcpy( &p[8], exram, sizeof(exram) );
|
|
}
|
|
|
|
void Mapper019::LoadState( LPBYTE p )
|
|
{
|
|
reg[0] = p[0];
|
|
reg[1] = p[1];
|
|
reg[2] = p[2];
|
|
irq_enable = p[3];
|
|
irq_counter = *(WORD*)&p[4];
|
|
|
|
::memcpy( exram, &p[8], sizeof(exram) );
|
|
}
|