54 lines
1.1 KiB
C#
54 lines
1.1 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper058 //
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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 Mapper058 : Mapper
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{
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public Mapper058(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, 0, 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 Mapper058::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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if ((addr & 0x40) != 0)
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{
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SetPROM_16K_Bank(4, addr & 0x07);
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SetPROM_16K_Bank(6, addr & 0x07);
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}
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else
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{
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SetPROM_32K_Bank((addr & 0x06) >> 1);
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}
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if (VROM_1K_SIZE != 0)
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{
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SetVROM_8K_Bank((addr & 0x38) >> 3);
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}
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if ((data & 0x02) != 0) SetVRAM_Mirror(VRAM_VMIRROR);
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else SetVRAM_Mirror(VRAM_HMIRROR);
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}
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}
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}
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