47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
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using System.IO;
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namespace MyNes.Core
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{
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[BoardInfo("74161/32", 96, 1, 32)]
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internal class Mapper096 : Board
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{
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private int flag_c;
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internal override string Issues => MNInterfaceLanguage.IssueMapper96;
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internal override void HardReset()
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{
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base.HardReset();
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flag_c = 0;
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Switch04KCHR(3, CHRArea.Area1000);
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}
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internal override void WritePRG(ref ushort address, ref byte data)
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{
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Switch32KPRG(data & 3, PRGArea.Area8000);
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flag_c = (((data & 4) == 4) ? 1 : 0);
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Switch04KCHR(3, CHRArea.Area1000);
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}
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internal override void OnPPUAddressUpdate(ref ushort address)
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{
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if ((address & 0x3FF) < 960 && (address & 0x1000) == 0)
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{
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Switch04KCHR(((address & 0x300) >> 8) | flag_c, CHRArea.Area0000);
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}
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}
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internal override void WriteStateData(ref BinaryWriter stream)
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{
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base.WriteStateData(ref stream);
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stream.Write(flag_c);
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}
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internal override void ReadStateData(ref BinaryReader stream)
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{
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base.ReadStateData(ref stream);
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flag_c = stream.ReadInt32();
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}
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}
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}
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