forked from sin365/AxibugEmuOnline
336 lines
16 KiB
C++
336 lines
16 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Mapper016 Bandai Standard //
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//////////////////////////////////////////////////////////////////////////
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void Mapper016::Reset()
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{
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patch = 0;
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reg[0] = reg[1] = reg[2] = 0;
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irq_enable = 0;
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irq_counter = 0;
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irq_latch = 0;
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irq_type = 0;
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nes->SetIrqType( NES::IRQ_CLOCK );
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eeprom_type = 0;
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SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
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DWORD crc = nes->rom->GetPROM_CRC();
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if( crc == 0x3f15d20d // Famicom Jump 2(J)
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|| crc == 0xf76aa523 ) { // Famicom Jump 2(J)(alt)
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patch = 1;
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eeprom_type = 0xFF;
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WRAM[0x0BBC] = 0xFF; // SRAM対策
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}
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if( crc == 0x1d6f27f7 ) { // Dragon Ball Z 2(Korean Hack)
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nes->SetIrqType( NES::IRQ_HSYNC );
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eeprom_type = 1;
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}
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if( crc == 0x6f7247c8 ) { // Dragon Ball Z 3(Korean Hack)
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nes->SetIrqType( NES::IRQ_CLOCK );
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eeprom_type = 1;
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}
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if( crc == 0x7fb799fd ) { // Dragon Ball 2 - Dai Maou Fukkatsu(J)
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}
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if( crc == 0x6c6c2feb // Dragon Ball 3 - Gokuu Den(J)
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|| crc == 0x8edeb257 ) { // Dragon Ball 3 - Gokuu Den(J)(Alt)
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}
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if( crc == 0x31cd9903 ) { // Dragon Ball Z - Kyoushuu! Saiya Jin(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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}
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if( crc == 0xe49fc53e // Dragon Ball Z 2 - Gekishin Freeza!!(J)
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|| crc == 0x1582fee0 ) { // Dragon Ball Z 2 - Gekishin Freeza!!(J) [alt]
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nes->SetIrqType( NES::IRQ_HSYNC );
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eeprom_type = 1;
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}
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if( crc == 0x09499f4d ) { // Dragon Ball Z 3 - Ressen Jinzou Ningen(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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eeprom_type = 1;
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}
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if( crc == 0x2e991109 ) { // Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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eeprom_type = 1;
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}
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if( crc == 0x146fb9c3 ) { // SD Gundam Gaiden - Knight Gundam Monogatari(J)
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}
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if( crc == 0x73ac76db // SD Gundam Gaiden - Knight Gundam Monogatari 2 - Hikari no Kishi(J)
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|| crc == 0x81a15eb8 ) { // SD Gundam Gaiden - Knight Gundam Monogatari 3 - Densetsu no Kishi Dan(J)
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eeprom_type = 1;
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}
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if( crc == 0x170250de ) { // Rokudenashi Blues(J)
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nes->SetRenderMethod( NES::PRE_ALL_RENDER );
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eeprom_type = 1;
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}
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// DATACH系
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if( crc == 0x0be0a328 // Datach - SD Gundam - Gundam Wars(J)
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|| crc == 0x19e81461 // Datach - Dragon Ball Z - Gekitou Tenkaichi Budou Kai(J)
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|| crc == 0x5b457641 // Datach - Ultraman Club - Supokon Fight!(J)
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|| crc == 0x894efdbc // Datach - Crayon Shin Chan - Ora to Poi Poi(J)
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|| crc == 0x983d8175 // Datach - Battle Rush - Build Up Robot Tournament(J)
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|| crc == 0xbe06853f ) { // Datach - J League Super Top Players(J)
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eeprom_type = 2;
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}
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if( crc == 0xf51a7f46 ) { // Datach - Yuu Yuu Hakusho - Bakutou Ankoku Bujutsu Kai(J)
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nes->SetIrqType( NES::IRQ_HSYNC );
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eeprom_type = 2;
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}
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if( eeprom_type == 0 ) {
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nes->SetSAVERAM_SIZE( 128 );
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x24c01.Reset( WRAM );
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} else
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if( eeprom_type == 1 ) {
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nes->SetSAVERAM_SIZE( 256 );
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x24c02.Reset( WRAM );
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} else
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if( eeprom_type == 2 ) {
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nes->SetSAVERAM_SIZE( 384 );
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x24c02.Reset( WRAM );
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x24c01.Reset( WRAM+256 );
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}
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}
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BYTE Mapper016::ReadLow( WORD addr )
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{
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if( patch ) {
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return Mapper::ReadLow( addr );
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} else {
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if( (addr & 0x00FF) == 0x0000 ) {
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BYTE ret = 0;
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if( eeprom_type == 0 ) {
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ret = x24c01.Read();
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} else
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if( eeprom_type == 1 ) {
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ret = x24c02.Read();
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} else
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if( eeprom_type == 2 ) {
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ret = x24c02.Read() & x24c01.Read();
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}
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return (ret?0x10:0)|(nes->GetBarcodeStatus());
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}
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}
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return 0x00;
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}
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void Mapper016::WriteLow( WORD addr, BYTE data )
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{
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if( !patch ) {
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WriteSubA( addr, data );
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} else {
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Mapper::WriteLow( addr, data );
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}
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}
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void Mapper016::Write( WORD addr, BYTE data )
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{
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if( !patch ) {
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WriteSubA( addr, data );
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} else {
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WriteSubB( addr, data );
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}
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}
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static BYTE eeprom_addinc;
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// Normal mapper #16
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void Mapper016::WriteSubA( WORD addr, BYTE data )
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{
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switch( addr & 0x000F ) {
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case 0x0000:
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case 0x0001:
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case 0x0002:
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case 0x0003:
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case 0x0004:
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case 0x0005:
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case 0x0006:
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case 0x0007:
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if( VROM_1K_SIZE ) {
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SetVROM_1K_Bank( addr&0x0007, data );
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}
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if( eeprom_type == 2 ) {
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reg[0] = data;
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x24c01.Write( (data&0x08)?0xFF:0, (reg[1]&0x40)?0xFF:0 );
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}
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break;
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case 0x0008:
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SetPROM_16K_Bank( 4, data );
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break;
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case 0x0009:
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data &= 0x03;
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if( data == 0 ) SetVRAM_Mirror( VRAM_VMIRROR );
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else if( data == 1 ) SetVRAM_Mirror( VRAM_HMIRROR );
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else if( data == 2 ) SetVRAM_Mirror( VRAM_MIRROR4L );
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else SetVRAM_Mirror( VRAM_MIRROR4H );
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break;
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case 0x000A:
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irq_enable = data & 0x01;
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irq_counter = irq_latch;
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nes->cpu->ClrIRQ( IRQ_MAPPER );
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break;
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case 0x000B:
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irq_latch = (irq_latch & 0xFF00) | data;
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irq_counter = (irq_counter & 0xFF00) | data;
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break;
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case 0x000C:
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irq_latch = ((INT)data << 8) | (irq_latch & 0x00FF);
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irq_counter = ((INT)data << 8) | (irq_counter & 0x00FF);
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break;
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case 0x000D:
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// EEPTYPE0(DragonBallZ)
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if( eeprom_type == 0 ) {
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x24c01.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
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}
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// EEPTYPE1(DragonBallZ2,Z3,Z Gaiden)
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if( eeprom_type == 1 ) {
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x24c02.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
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}
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// EEPTYPE2(DATACH)
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if( eeprom_type == 2 ) {
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reg[1] = data;
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x24c02.Write( (data&0x20)?0xFF:0, (data&0x40)?0xFF:0 );
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x24c01.Write( (reg[0]&0x08)?0xFF:0, (data&0x40)?0xFF:0 );
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}
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break;
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}
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}
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// Famicom Jump 2
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void Mapper016::WriteSubB( WORD addr, BYTE data )
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{
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switch( addr ) {
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case 0x8000:
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case 0x8001:
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case 0x8002:
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case 0x8003:
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reg[0] = data & 0x01;
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SetPROM_8K_Bank( 4, reg[0]*0x20+reg[2]*2+0 );
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SetPROM_8K_Bank( 5, reg[0]*0x20+reg[2]*2+1 );
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break;
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case 0x8004:
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case 0x8005:
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case 0x8006:
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case 0x8007:
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reg[1] = data & 0x01;
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SetPROM_8K_Bank( 6, reg[1]*0x20+0x1E );
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SetPROM_8K_Bank( 7, reg[1]*0x20+0x1F );
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break;
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case 0x8008:
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reg[2] = data;
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SetPROM_8K_Bank( 4, reg[0]*0x20+reg[2]*2+0 );
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SetPROM_8K_Bank( 5, reg[0]*0x20+reg[2]*2+1 );
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SetPROM_8K_Bank( 6, reg[1]*0x20+0x1E );
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SetPROM_8K_Bank( 7, reg[1]*0x20+0x1F );
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break;
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case 0x8009:
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data &= 0x03;
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if( data == 0 ) SetVRAM_Mirror( VRAM_VMIRROR );
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else if( data == 1 ) SetVRAM_Mirror( VRAM_HMIRROR );
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else if( data == 2 ) SetVRAM_Mirror( VRAM_MIRROR4L );
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else SetVRAM_Mirror( VRAM_MIRROR4H );
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break;
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case 0x800A:
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irq_enable = data & 0x01;
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irq_counter = irq_latch;
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// if( !irq_enable ) {
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// nes->cpu->ClrIRQ( IRQ_MAPPER );
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// }
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nes->cpu->ClrIRQ( IRQ_MAPPER );
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break;
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case 0x800B:
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irq_latch = (irq_latch & 0xFF00) | data;
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break;
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case 0x800C:
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irq_latch = ((INT)data << 8) | (irq_latch & 0x00FF);
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break;
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case 0x800D:
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break;
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}
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}
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void Mapper016::HSync( INT scanline )
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{
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if( irq_enable && (nes->GetIrqType() == NES::IRQ_HSYNC) ) {
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if( irq_counter <= 113 ) {
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nes->cpu->SetIRQ( IRQ_MAPPER );
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// nes->cpu->IRQ();
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//// nes->cpu->IRQ_NotPending();
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// irq_enable = 0;
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// irq_counter = 0;
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irq_counter &= 0xFFFF;
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} else {
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irq_counter -= 113;
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}
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}
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}
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void Mapper016::Clock( INT cycles )
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{
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if( irq_enable && (nes->GetIrqType() == NES::IRQ_CLOCK) ) {
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if( (irq_counter-=cycles) <= 0 ) {
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nes->cpu->SetIRQ( IRQ_MAPPER );
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// nes->cpu->IRQ();
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//// nes->cpu->IRQ_NotPending();
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// irq_enable = 0;
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// irq_counter = 0;
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irq_counter &= 0xFFFF;
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}
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}
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}
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void Mapper016::SaveState( LPBYTE p )
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{
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p[0] = reg[0];
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p[1] = reg[1];
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p[2] = reg[2];
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p[3] = irq_enable;
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*(INT*)&p[4] = irq_counter;
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*(INT*)&p[8] = irq_latch;
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if( eeprom_type == 0 ) {
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x24c01.Save( &p[16] );
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} else
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if( eeprom_type == 1 ) {
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x24c02.Save( &p[16] );
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} else
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if( eeprom_type == 2 ) {
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x24c02.Save( &p[16] );
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x24c01.Save( &p[48] );
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}
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}
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void Mapper016::LoadState( LPBYTE p )
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{
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reg[0] = p[0];
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reg[1] = p[1];
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reg[2] = p[2];
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irq_enable = p[3];
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irq_counter = *(INT*)&p[4];
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irq_latch = *(INT*)&p[8];
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if( eeprom_type == 0 ) {
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x24c01.Load( &p[16] );
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} else
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if( eeprom_type == 1 ) {
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x24c02.Load( &p[16] );
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} else
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if( eeprom_type == 2 ) {
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x24c02.Load( &p[16] );
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x24c01.Load( &p[48] );
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}
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}
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