34 lines
885 B
C#
34 lines
885 B
C#
namespace MyNes.Core
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{
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[BoardInfo("Irem 74HC161/32", 78)]
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internal class Mapper078 : Board
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{
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private bool mirroring_mode_single;
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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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mirroring_mode_single = false;
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if (base.BoardType == "JALECO-JF-16")
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{
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mirroring_mode_single = true;
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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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Switch08KCHR((data >> 4) & 0xF);
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Switch16KPRG(data & 7, PRGArea.Area8000);
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if (mirroring_mode_single)
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{
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Switch01KNMTFromMirroring(((data & 8) == 8) ? Mirroring.OneScB : Mirroring.OneScA);
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}
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else
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{
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Switch01KNMTFromMirroring(((data & 8) == 8) ? Mirroring.Vert : Mirroring.Horz);
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}
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}
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}
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}
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