80 lines
2.1 KiB
C#
80 lines
2.1 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper076 Namcot 109 (女神転生) //
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//////////////////////////////////////////////////////////////////////////
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using static VirtualNes.MMU;
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using BYTE = System.Byte;
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namespace VirtualNes.Core
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{
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public class Mapper076 : Mapper
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{
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BYTE reg;
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public Mapper076(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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SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
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if (VROM_1K_SIZE >= 8)
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{
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SetVROM_8K_Bank(0);
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}
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}
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//void Mapper076::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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switch (addr)
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{
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case 0x8000:
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reg = data;
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break;
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case 0x8001:
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switch (reg & 0x07)
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{
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case 2:
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SetVROM_2K_Bank(0, data);
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break;
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case 3:
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SetVROM_2K_Bank(2, data);
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break;
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case 4:
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SetVROM_2K_Bank(4, data);
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break;
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case 5:
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SetVROM_2K_Bank(6, data);
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break;
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case 6:
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SetPROM_8K_Bank(4, data);
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break;
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case 7:
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SetPROM_8K_Bank(5, data);
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break;
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}
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break;
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}
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}
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//void Mapper076::SaveState(LPBYTE p)
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public override void SaveState(byte[] p)
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{
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p[0] = reg;
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}
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//void Mapper076::LoadState(LPBYTE p)
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public override void LoadState(byte[] p)
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{
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reg = p[0];
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}
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public override bool IsStateSave()
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{
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return true;
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}
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}
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}
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