51 lines
1.0 KiB
C#
51 lines
1.0 KiB
C#
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namespace MyNes.Core
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{
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[BoardInfo("BxROM/NINA-001", 34)]
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internal class Mapper034 : Board
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{
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private bool BxROM;
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private byte writeData;
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internal override void HardReset()
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{
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base.HardReset();
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BxROM = true;
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if (base.BoardType.Contains("NINA"))
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{
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BxROM = false;
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}
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}
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internal override void WriteSRM(ref ushort address, ref byte data)
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{
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base.WriteSRM(ref address, ref data);
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if (!BxROM)
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{
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switch (address)
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{
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case 32765:
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Switch32KPRG(data, PRGArea.Area8000);
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break;
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case 32766:
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Switch04KCHR(data, CHRArea.Area0000);
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break;
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case 32767:
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Switch04KCHR(data, CHRArea.Area1000);
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break;
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}
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}
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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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if (BxROM)
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{
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ReadPRG(ref address, out writeData);
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writeData &= data;
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Switch32KPRG(writeData, PRGArea.Area8000);
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}
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}
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}
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}
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