71 lines
1.8 KiB
C#
71 lines
1.8 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("Taito X1-17 ", 82)]
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internal class Mapper082 : Board
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{
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private bool chr_mode;
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internal override void HardReset()
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{
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base.HardReset();
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Switch08KPRG(PRG_ROM_08KB_Mask, PRGArea.AreaE000);
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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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switch (address)
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{
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case 32496:
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Switch02KCHR(data >> 1, chr_mode ? CHRArea.Area1000 : CHRArea.Area0000);
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break;
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case 32497:
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Switch02KCHR(data >> 1, chr_mode ? CHRArea.Area1800 : CHRArea.Area0800);
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break;
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case 32498:
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Switch01KCHR(data, (!chr_mode) ? CHRArea.Area1000 : CHRArea.Area0000);
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break;
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case 32499:
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Switch01KCHR(data, chr_mode ? CHRArea.Area0400 : CHRArea.Area1400);
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break;
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case 32500:
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Switch01KCHR(data, chr_mode ? CHRArea.Area0800 : CHRArea.Area1800);
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break;
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case 32501:
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Switch01KCHR(data, chr_mode ? CHRArea.Area0C00 : CHRArea.Area1C00);
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break;
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case 32502:
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Switch01KNMTFromMirroring(((data & 1) == 1) ? Mirroring.Vert : Mirroring.Horz);
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chr_mode = (data & 2) == 2;
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break;
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case 32506:
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Switch08KPRG(data >> 2, PRGArea.Area8000);
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break;
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case 32507:
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Switch08KPRG(data >> 2, PRGArea.AreaA000);
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break;
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case 32508:
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Switch08KPRG(data >> 2, PRGArea.AreaC000);
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break;
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case 32503:
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case 32504:
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case 32505:
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break;
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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(chr_mode);
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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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chr_mode = stream.ReadBoolean();
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}
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}
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}
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