39 lines
845 B
C#
39 lines
845 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace BizHawk.Emulation.Consoles.Atari._2600
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{
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class mF6 : 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 == 0x1FF6) toggle = 0;
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if (addr == 0x1FF7) toggle = 1;
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if (addr == 0x1FF8) toggle = 2;
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if (addr == 0x1FF9) toggle = 3;
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}
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}
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}
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