78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Mapper088 Namcot 118 //
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//////////////////////////////////////////////////////////////////////////
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void Mapper088::Reset()
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{
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SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
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if( VROM_1K_SIZE >= 8 ) {
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SetVROM_8K_Bank( 0 );
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}
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patch = 0;
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DWORD crc = nes->rom->GetPROM_CRC();
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if( crc == 0xc1b6b2a6 ) { // Devil Man(J)
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patch = 1;
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nes->SetRenderMethod( NES::POST_RENDER );
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}
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if( crc == 0xd9803a35 ) { // Quinty(J)
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nes->SetRenderMethod( NES::POST_RENDER );
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}
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}
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void Mapper088::Write( WORD addr, BYTE data )
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{
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switch( addr ) {
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case 0x8000:
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reg = data;
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if( patch ) {
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if( data&0x40 ) SetVRAM_Mirror( VRAM_MIRROR4H );
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else SetVRAM_Mirror( VRAM_MIRROR4L );
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}
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break;
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case 0x8001:
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switch( reg & 0x07 ) {
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case 0:
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SetVROM_2K_Bank( 0, data>>1 );
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break;
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case 1:
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SetVROM_2K_Bank( 2, data>>1 );
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break;
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case 2:
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SetVROM_1K_Bank( 4, data+0x40 );
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break;
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case 3:
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SetVROM_1K_Bank( 5, data+0x40 );
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break;
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case 4:
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SetVROM_1K_Bank( 6, data+0x40 );
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break;
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case 5:
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SetVROM_1K_Bank( 7, data+0x40 );
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break;
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case 6:
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SetPROM_8K_Bank( 4, data );
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break;
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case 7:
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SetPROM_8K_Bank( 5, data );
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break;
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}
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break;
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case 0xC000:
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if( data ) SetVRAM_Mirror( VRAM_MIRROR4H );
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else SetVRAM_Mirror( VRAM_MIRROR4L );
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break;
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}
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}
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void Mapper088::SaveState( LPBYTE p )
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{
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p[0] = reg;
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}
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void Mapper088::LoadState( LPBYTE p )
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{
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reg = p[0];
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}
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