57 lines
1.4 KiB
C#
57 lines
1.4 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper188 Bandai Karaoke Studio //
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//////////////////////////////////////////////////////////////////////////
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using static VirtualNes.MMU;
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namespace VirtualNes.Core
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{
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public class Mapper188 : Mapper
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{
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public Mapper188(NES parent) : base(parent)
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{
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}
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public override void Reset()
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{
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if (PROM_8K_SIZE > 16)
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{
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SetPROM_32K_Bank(0, 1, 14, 15);
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}
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else
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{
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SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
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}
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}
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//void Mapper188::Write(WORD addr, BYTE data)
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public override void Write(ushort addr, byte data)
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{
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if (data != 0)
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{
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if ((data & 0x10) != 0)
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{
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data &= 0x07;
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SetPROM_16K_Bank(4, data);
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}
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else
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{
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SetPROM_16K_Bank(4, data + 8);
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}
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}
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else
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{
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if (PROM_8K_SIZE == 0x10)
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{
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SetPROM_16K_Bank(4, 7);
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}
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else
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{
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SetPROM_16K_Bank(4, 8);
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}
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}
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}
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}
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}
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