40 lines
876 B
C#
40 lines
876 B
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper077 Irem Early Mapper #0 //
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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 Mapper077 : Mapper
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{
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public Mapper077(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);
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SetVROM_2K_Bank(0, 0);
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SetCRAM_2K_Bank(2, 1);
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SetCRAM_2K_Bank(4, 2);
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SetCRAM_2K_Bank(6, 3);
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}
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//void Mapper077::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 & 0x07);
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SetVROM_2K_Bank(0, (data & 0xF0) >> 4);
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}
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}
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}
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