50 lines
937 B
C#
50 lines
937 B
C#
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.Nintendo
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{
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// china
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// behavior from fceux
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public class Mapper177 : NES.NESBoardBase
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{
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int prg;
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public override bool Configure(NES.EDetectionOrigin origin)
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{
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switch (Cart.board_type)
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{
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case "MAPPER177":
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break;
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default:
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return false;
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}
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AssertPrg(1024);
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SetMirrorType(Cart.pad_h, Cart.pad_v);
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return true;
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}
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public override void WritePRG(int addr, byte value)
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{
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prg = value & 0x1f;
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if ((value & 0x20) != 0)
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SetMirrorType(EMirrorType.Horizontal);
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else
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SetMirrorType(EMirrorType.Vertical);
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}
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public override byte ReadPRG(int addr)
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{
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return ROM[addr | prg << 15];
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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("prg", ref prg);
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}
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}
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}
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