forked from sin365/AxibugEmuOnline
51 lines
1.3 KiB
C#
51 lines
1.3 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper071 Camerica //
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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 Mapper071 : Mapper
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{
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public Mapper071(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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}
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//void Mapper071::WriteLow(WORD addr, BYTE data)
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public override void WriteLow(ushort addr, byte data)
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{
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if ((addr & 0xE000) == 0x6000)
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{
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SetPROM_16K_Bank(4, data);
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}
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}
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//void Mapper071::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 & 0xF000)
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{
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case 0x9000:
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if ((data & 0x10) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
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else SetVRAM_Mirror(VRAM_MIRROR4L);
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break;
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case 0xC000:
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case 0xD000:
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case 0xE000:
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case 0xF000:
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SetPROM_16K_Bank(4, data);
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break;
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}
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}
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}
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}
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