41 lines
1.0 KiB
C#
41 lines
1.0 KiB
C#
//////////////////////////////
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// Mapper240 Gen Ke Le Zhuan //
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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 System;
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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 Mapper240 : Mapper
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{
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public Mapper240(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 Mapper240::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 >= 0x4020 && addr < 0x6000)
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{
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SetPROM_32K_Bank((data & 0xF0) >> 4);
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SetVROM_8K_Bank(data & 0xF);
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}
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}
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}
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}
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