67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper246 Phone Serm Berm //
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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 Mapper246 : Mapper
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{
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public Mapper246(NES parent) : base(parent)
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{
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}
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//void Mapper246::Reset()
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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 Mapper246::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 >= 0x6000 && addr < 0x8000)
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{
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switch (addr)
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{
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case 0x6000:
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SetPROM_8K_Bank(4, data);
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break;
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case 0x6001:
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SetPROM_8K_Bank(5, data);
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break;
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case 0x6002:
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SetPROM_8K_Bank(6, data);
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break;
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case 0x6003:
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SetPROM_8K_Bank(7, data);
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break;
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case 0x6004:
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SetVROM_2K_Bank(0, data);
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break;
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case 0x6005:
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SetVROM_2K_Bank(2, data);
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break;
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case 0x6006:
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SetVROM_2K_Bank(4, data);
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break;
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case 0x6007:
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SetVROM_2K_Bank(6, data);
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break;
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default:
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CPU_MEM_BANK[addr >> 13][addr & 0x1FFF] = 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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}
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