40 lines
848 B
C#
40 lines
848 B
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using BizHawk.Emulation.CPUs.M6502;
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using BizHawk.Emulation.Consoles.Atari;
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namespace BizHawk
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{
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partial class Atari2600
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{
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class mF8 : MapperBase
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{
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int toggle = 0;
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public override byte ReadMemory(ushort addr)
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{
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Address(addr);
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if (addr < 0x1000) return base.ReadMemory(addr);
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return core.rom[toggle*4*1024 + (addr&0xFFF)];
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}
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public override void WriteMemory(ushort addr, byte value)
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{
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Address(addr);
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if (addr < 0x1000) base.WriteMemory(addr, value);
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}
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public override void SyncState(Serializer ser)
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{
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base.SyncState(ser);
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ser.Sync("toggle", ref toggle);
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}
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void Address(ushort addr)
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{
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if (addr == 0x1FF8) toggle = 0;
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if (addr == 0x1FF9) toggle = 1;
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}
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}
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}
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}
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