AxibugEmuOnline/virtuanessrc097-master/NES/Mapper/Mapper016.cpp

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//////////////////////////////////////////////////////////////////////////
// Mapper016 Bandai Standard //
//////////////////////////////////////////////////////////////////////////
void Mapper016::Reset()
{
patch = 0;
reg[0] = reg[1] = reg[2] = 0;
irq_enable = 0;
irq_counter = 0;
irq_latch = 0;
irq_type = 0;
nes->SetIrqType( NES::IRQ_CLOCK );
eeprom_type = 0;
SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
DWORD crc = nes->rom->GetPROM_CRC();
if( crc == 0x3f15d20d // Famicom Jump 2(J)
|| crc == 0xf76aa523 ) { // Famicom Jump 2(J)(alt)
patch = 1;
eeprom_type = 0xFF;
WRAM[0x0BBC] = 0xFF; // SRAM対策
}
if( crc == 0x1d6f27f7 ) { // Dragon Ball Z 2(Korean Hack)
nes->SetIrqType( NES::IRQ_HSYNC );
eeprom_type = 1;
}
if( crc == 0x6f7247c8 ) { // Dragon Ball Z 3(Korean Hack)
nes->SetIrqType( NES::IRQ_CLOCK );
eeprom_type = 1;
}
if( crc == 0x7fb799fd ) { // Dragon Ball 2 - Dai Maou Fukkatsu(J)
}
if( crc == 0x6c6c2feb // Dragon Ball 3 - Gokuu Den(J)
|| crc == 0x8edeb257 ) { // Dragon Ball 3 - Gokuu Den(J)(Alt)
}
if( crc == 0x31cd9903 ) { // Dragon Ball Z - Kyoushuu! Saiya Jin(J)
nes->SetIrqType( NES::IRQ_HSYNC );
}
if( crc == 0xe49fc53e // Dragon Ball Z 2 - Gekishin Freeza!!(J)
|| crc == 0x1582fee0 ) { // Dragon Ball Z 2 - Gekishin Freeza!!(J) [alt]
nes->SetIrqType( NES::IRQ_HSYNC );
eeprom_type = 1;
}
if( crc == 0x09499f4d ) { // Dragon Ball Z 3 - Ressen Jinzou Ningen(J)
nes->SetIrqType( NES::IRQ_HSYNC );
eeprom_type = 1;
}
if( crc == 0x2e991109 ) { // Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (J)
nes->SetIrqType( NES::IRQ_HSYNC );
eeprom_type = 1;
}
if( crc == 0x146fb9c3 ) { // SD Gundam Gaiden - Knight Gundam Monogatari(J)
}
if( crc == 0x73ac76db // SD Gundam Gaiden - Knight Gundam Monogatari 2 - Hikari no Kishi(J)
|| crc == 0x81a15eb8 ) { // SD Gundam Gaiden - Knight Gundam Monogatari 3 - Densetsu no Kishi Dan(J)
eeprom_type = 1;
}
if( crc == 0x170250de ) { // Rokudenashi Blues(J)
nes->SetRenderMethod( NES::PRE_ALL_RENDER );
eeprom_type = 1;
}
// DATACH系
if( crc == 0x0be0a328 // Datach - SD Gundam - Gundam Wars(J)
|| crc == 0x19e81461 // Datach - Dragon Ball Z - Gekitou Tenkaichi Budou Kai(J)
|| crc == 0x5b457641 // Datach - Ultraman Club - Supokon Fight!(J)
|| crc == 0x894efdbc // Datach - Crayon Shin Chan - Ora to Poi Poi(J)
|| crc == 0x983d8175 // Datach - Battle Rush - Build Up Robot Tournament(J)
|| crc == 0xbe06853f ) { // Datach - J League Super Top Players(J)
eeprom_type = 2;
}
if( crc == 0xf51a7f46 ) { // Datach - Yuu Yuu Hakusho - Bakutou Ankoku Bujutsu Kai(J)
nes->SetIrqType( NES::IRQ_HSYNC );
eeprom_type = 2;
}
if( eeprom_type == 0 ) {
nes->SetSAVERAM_SIZE( 128 );
x24c01.Reset( WRAM );
} else
if( eeprom_type == 1 ) {
nes->SetSAVERAM_SIZE( 256 );
x24c02.Reset( WRAM );
} else
if( eeprom_type == 2 ) {
nes->SetSAVERAM_SIZE( 384 );
x24c02.Reset( WRAM );
x24c01.Reset( WRAM+256 );
}
}
BYTE Mapper016::ReadLow( WORD addr )
{
if( patch ) {
return Mapper::ReadLow( addr );
} else {
if( (addr & 0x00FF) == 0x0000 ) {
BYTE ret = 0;
if( eeprom_type == 0 ) {
ret = x24c01.Read();
} else
if( eeprom_type == 1 ) {
ret = x24c02.Read();
} else
if( eeprom_type == 2 ) {
ret = x24c02.Read() & x24c01.Read();
}
return (ret?0x10:0)|(nes->GetBarcodeStatus());
}
}
return 0x00;
}
void Mapper016::WriteLow( WORD addr, BYTE data )
{
if( !patch ) {
WriteSubA( addr, data );
} else {
Mapper::WriteLow( addr, data );
}
}
void Mapper016::Write( WORD addr, BYTE data )
{
if( !patch ) {
WriteSubA( addr, data );
} else {
WriteSubB( addr, data );
}
}
static BYTE eeprom_addinc;
// Normal mapper #16
void Mapper016::WriteSubA( WORD addr, BYTE data )
{
switch( addr & 0x000F ) {
case 0x0000:
case 0x0001:
case 0x0002:
case 0x0003:
case 0x0004:
case 0x0005:
case 0x0006:
case 0x0007:
if( VROM_1K_SIZE ) {
SetVROM_1K_Bank( addr&0x0007, data );
}
if( eeprom_type == 2 ) {
reg[0] = data;
x24c01.Write( (data&0x08)?0xFF:0, (reg[1]&0x40)?0xFF:0 );
}
break;
case 0x0008:
SetPROM_16K_Bank( 4, data );
break;
case 0x0009:
data &= 0x03;
if( data == 0 ) SetVRAM_Mirror( VRAM_VMIRROR );
else if( data == 1 ) SetVRAM_Mirror( VRAM_HMIRROR );
else if( data == 2 ) SetVRAM_Mirror( VRAM_MIRROR4L );
else SetVRAM_Mirror( VRAM_MIRROR4H );
break;
case 0x000A:
irq_enable = data & 0x01;
irq_counter = irq_latch;
nes->cpu->ClrIRQ( IRQ_MAPPER );
break;
case 0x000B:
irq_latch = (irq_latch & 0xFF00) | data;
irq_counter = (irq_counter & 0xFF00) | data;
break;
case 0x000C:
irq_latch = ((INT)data << 8) | (irq_latch & 0x00FF);
irq_counter = ((INT)data << 8) | (irq_counter & 0x00FF);
break;
case 0x000D:
// EEPTYPE0(DragonBallZ)
if( eeprom_type == 0 ) {
x24c01.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
}
// EEPTYPE1(DragonBallZ2,Z3,Z Gaiden)
if( eeprom_type == 1 ) {
x24c02.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
}
// EEPTYPE2(DATACH)
if( eeprom_type == 2 ) {
reg[1] = data;
x24c02.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
x24c01.Write( (reg[0]&0x08)?0xFF:0, (data&0x40)?0xFF:0 );
}
break;
}
}
// Famicom Jump 2
void Mapper016::WriteSubB( WORD addr, BYTE data )
{
switch( addr ) {
case 0x8000:
case 0x8001:
case 0x8002:
case 0x8003:
reg[0] = data & 0x01;
SetPROM_8K_Bank( 4, reg[0]*0x20+reg[2]*2+0 );
SetPROM_8K_Bank( 5, reg[0]*0x20+reg[2]*2+1 );
break;
case 0x8004:
case 0x8005:
case 0x8006:
case 0x8007:
reg[1] = data & 0x01;
SetPROM_8K_Bank( 6, reg[1]*0x20+0x1E );
SetPROM_8K_Bank( 7, reg[1]*0x20+0x1F );
break;
case 0x8008:
reg[2] = data;
SetPROM_8K_Bank( 4, reg[0]*0x20+reg[2]*2+0 );
SetPROM_8K_Bank( 5, reg[0]*0x20+reg[2]*2+1 );
SetPROM_8K_Bank( 6, reg[1]*0x20+0x1E );
SetPROM_8K_Bank( 7, reg[1]*0x20+0x1F );
break;
case 0x8009:
data &= 0x03;
if( data == 0 ) SetVRAM_Mirror( VRAM_VMIRROR );
else if( data == 1 ) SetVRAM_Mirror( VRAM_HMIRROR );
else if( data == 2 ) SetVRAM_Mirror( VRAM_MIRROR4L );
else SetVRAM_Mirror( VRAM_MIRROR4H );
break;
case 0x800A:
irq_enable = data & 0x01;
irq_counter = irq_latch;
// if( !irq_enable ) {
// nes->cpu->ClrIRQ( IRQ_MAPPER );
// }
nes->cpu->ClrIRQ( IRQ_MAPPER );
break;
case 0x800B:
irq_latch = (irq_latch & 0xFF00) | data;
break;
case 0x800C:
irq_latch = ((INT)data << 8) | (irq_latch & 0x00FF);
break;
case 0x800D:
break;
}
}
void Mapper016::HSync( INT scanline )
{
if( irq_enable && (nes->GetIrqType() == NES::IRQ_HSYNC) ) {
if( irq_counter <= 113 ) {
nes->cpu->SetIRQ( IRQ_MAPPER );
// nes->cpu->IRQ();
//// nes->cpu->IRQ_NotPending();
// irq_enable = 0;
// irq_counter = 0;
irq_counter &= 0xFFFF;
} else {
irq_counter -= 113;
}
}
}
void Mapper016::Clock( INT cycles )
{
if( irq_enable && (nes->GetIrqType() == NES::IRQ_CLOCK) ) {
if( (irq_counter-=cycles) <= 0 ) {
nes->cpu->SetIRQ( IRQ_MAPPER );
// nes->cpu->IRQ();
//// nes->cpu->IRQ_NotPending();
// irq_enable = 0;
// irq_counter = 0;
irq_counter &= 0xFFFF;
}
}
}
void Mapper016::SaveState( LPBYTE p )
{
p[0] = reg[0];
p[1] = reg[1];
p[2] = reg[2];
p[3] = irq_enable;
*(INT*)&p[4] = irq_counter;
*(INT*)&p[8] = irq_latch;
if( eeprom_type == 0 ) {
x24c01.Save( &p[16] );
} else
if( eeprom_type == 1 ) {
x24c02.Save( &p[16] );
} else
if( eeprom_type == 2 ) {
x24c02.Save( &p[16] );
x24c01.Save( &p[48] );
}
}
void Mapper016::LoadState( LPBYTE p )
{
reg[0] = p[0];
reg[1] = p[1];
reg[2] = p[2];
irq_enable = p[3];
irq_counter = *(INT*)&p[4];
irq_latch = *(INT*)&p[8];
if( eeprom_type == 0 ) {
x24c01.Load( &p[16] );
} else
if( eeprom_type == 1 ) {
x24c02.Load( &p[16] );
} else
if( eeprom_type == 2 ) {
x24c02.Load( &p[16] );
x24c01.Load( &p[48] );
}
}