57 lines
1.1 KiB
C#
57 lines
1.1 KiB
C#
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using System;
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using System.IO;
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using System.Diagnostics;
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namespace BizHawk.Emulation.Consoles.Nintendo
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{
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public class Mapper012 : MMC3Board_Base
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{
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public override bool Configure(NES.EDetectionOrigin origin)
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{
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//analyze board type
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switch (Cart.board_type)
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{
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case "MAPPER012":
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break;
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default:
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return false;
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}
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BaseSetup();
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mmc3.MMC3Type = MMC3.EMMC3Type.MMC3A;
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return true;
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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("block0", ref block0);
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ser.Sync("block1", ref block1);
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}
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int block0, block1;
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public override void WritePRG(int addr, byte value)
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{
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base.WritePRG(addr, value);
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}
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public override void WriteEXP(int addr, byte value)
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{
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base.WriteEXP(addr, value);
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block0 = value & 1;
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block1 = (value >> 4) & 1;
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}
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protected override int Get_CHRBank_1K(int addr)
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{
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int bank_1k = base.Get_CHRBank_1K(addr);
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if (addr < 0x1000)
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bank_1k += (block0 << 8);
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else bank_1k += (block1 << 8);
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return bank_1k;
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}
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}
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}
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