40 lines
1006 B
C#
40 lines
1006 B
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper097 Irem 74161 //
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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 Mapper097 : Mapper
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{
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public Mapper097(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(PROM_8K_SIZE - 2, PROM_8K_SIZE - 1, 0, 1);
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if (VROM_8K_SIZE != 0)
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{
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SetVROM_8K_Bank(0);
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}
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}
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//void Mapper097::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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if (addr < 0xC000)
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{
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SetPROM_16K_Bank(6, data & 0x0F);
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if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_VMIRROR);
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else SetVRAM_Mirror(VRAM_HMIRROR);
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}
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}
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}
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}
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