55 lines
1.1 KiB
C#
55 lines
1.1 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper034 Nina-1 //
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//////////////////////////////////////////////////////////////////////////
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using static VirtualNes.MMU;
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using static VirtualNes.Core.CPU;
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using INT = System.Int32;
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using BYTE = System.Byte;
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//using Codice.CM.Client.Differences;
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namespace VirtualNes.Core
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{
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public class Mapper034 : Mapper
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{
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public Mapper034(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 != 0)
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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 Mapper034::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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switch (addr)
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{
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case 0x7FFD:
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SetPROM_32K_Bank(data);
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break;
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case 0x7FFE:
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SetVROM_4K_Bank(0, data);
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break;
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case 0x7FFF:
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SetVROM_4K_Bank(4, data);
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break;
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}
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}
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//void Mapper034::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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SetPROM_32K_Bank(data);
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}
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}
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}
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