64 lines
1.6 KiB
C#
64 lines
1.6 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper003 CNROM //
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//////////////////////////////////////////////////////////////////////////
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using static VirtualNes.MMU;
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namespace VirtualNes.Core
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{
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public class Mapper003 : Mapper
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{
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public Mapper003(NES parent) : base(parent) { }
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public override void Reset()
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{
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switch (PROM_16K_SIZE)
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{
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case 1: // 16K only
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SetPROM_16K_Bank(4, 0);
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SetPROM_16K_Bank(6, 0);
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break;
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case 2: // 32K
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SetPROM_32K_Bank(0);
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break;
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}
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// nes.SetRenderMethod( NES::TILE_RENDER );
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uint crc = nes.rom.GetPROM_CRC();
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if (crc == 0x2b72fe7e)
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{ // Ganso Saiyuuki - Super Monkey Dai Bouken(J)
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nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
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nes.ppu.SetExtNameTableMode(true);
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}
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// if( crc == 0xE44D95B5 ) { // ひみつｗ
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// }
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}
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#if FALSE//0
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void Mapper003::WriteLow( WORD addr, BYTE data )
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{
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if( patch ) {
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Mapper::WriteLow( addr, data );
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} else {
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if( nes.rom.IsSAVERAM() ) {
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Mapper::WriteLow( addr, data );
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} else {
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if( addr >= 0x4800 ) {
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SetVROM_8K_Bank( data & 0x03 );
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}
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}
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}
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}
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#endif
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//void Mapper003::Write(WORD addr, BYTE data)
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public override void Write(ushort addr, byte data)
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{
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SetVROM_8K_Bank(data);
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}
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}
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}
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