20 lines
530 B
C#
20 lines
530 B
C#
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namespace MyNes.Core
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{
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[BoardInfo("Sunsoft Early", 89)]
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internal class Mapper089 : Board
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{
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internal override void HardReset()
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{
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base.HardReset();
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Switch16KPRG(PRG_ROM_16KB_Mask, PRGArea.AreaC000);
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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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Switch08KCHR((data & 7) | ((data >> 4) & 8));
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Switch16KPRG((data >> 4) & 7, PRGArea.Area8000);
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Switch01KNMTFromMirroring(((data & 8) == 8) ? Mirroring.OneScB : Mirroring.OneScA);
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}
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}
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}
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