forked from sin365/AxibugEmuOnline
49 lines
2.4 KiB
C++
49 lines
2.4 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Mapper002 UNROM //
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//////////////////////////////////////////////////////////////////////////
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void Mapper002::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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patch = 0;
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DWORD crc = nes->rom->GetPROM_CRC();
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// if( crc == 0x322c9b09 ) { // Metal Gear (Alt)(J)
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//// nes->SetFrameIRQmode( FALSE );
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// }
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// if( crc == 0xe7a3867b ) { // Dragon Quest 2(Alt)(J)
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// nes->SetFrameIRQmode( FALSE );
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// }
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//// if( crc == 0x9622fbd9 ) { // Ballblazer(J)
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//// patch = 0;
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//// }
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if( crc == 0x8c3d54e8 // Ikari(J)
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|| crc == 0x655efeed // Ikari Warriors(U)
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|| crc == 0x538218b2 ) { // Ikari Warriors(E)
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patch = 1;
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}
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if( crc == 0xb20c1030 ) { // Shanghai(J)(original)
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patch = 2;
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}
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}
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void Mapper002::WriteLow( WORD addr, BYTE data )
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{
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if( !nes->rom->IsSAVERAM() ) {
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if( addr >= 0x5000 && patch == 1 )
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SetPROM_16K_Bank( 4, 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 Mapper002::Write( WORD addr, BYTE data )
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{
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if( patch != 2 )
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SetPROM_16K_Bank( 4, data );
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else
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SetPROM_16K_Bank( 4, data>>4 );
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}
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