56 lines
1.5 KiB
C#
56 lines
1.5 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper151 VS-Unisystem //
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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 Mapper151 : Mapper
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{
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public Mapper151(NES parent) : base(parent)
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{
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}
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public override void 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 FALSE//0 //hum
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uint crc = nes.rom.GetPROM_CRC();
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if (crc == 0x1E438D52)
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{
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DirectDraw.SetVsPalette(7); //VS_Goonies
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}
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if (crc == 0xD99A2087)
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{
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DirectDraw.SetVsPalette(6); //VS_Gradius
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}
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#endif
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}
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//void Mapper151::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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switch (addr)
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{
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case 0x8000:
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SetPROM_8K_Bank(4, data);
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break;
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case 0xA000:
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SetPROM_8K_Bank(5, data);
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break;
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case 0xC000:
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SetPROM_8K_Bank(6, data);
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break;
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case 0xE000:
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SetVROM_4K_Bank(0, data);
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break;
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case 0xF000:
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SetVROM_4K_Bank(4, data);
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break;
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}
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}
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}
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}
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