65 lines
1.4 KiB
C#
65 lines
1.4 KiB
C#
//////////////////////////////////////////////////////////////////////////
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// Mapper070 Bandai 74161 //
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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 Mapper070 : Mapper
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{
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BYTE patch;
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public Mapper070(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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patch = 0;
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uint crc = nes.rom.GetPROM_CRC();
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if (crc == 0xa59ca2ef)
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{ // Kamen Rider Club(J)
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patch = 1;
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nes.SetRenderMethod(EnumRenderMethod.POST_ALL_RENDER);
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}
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if (crc == 0x10bb8f9a)
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{ // Family Trainer - Manhattan Police(J)
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patch = 1;
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}
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if (crc == 0x0cd00488)
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{ // Space Shadow(J)
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patch = 1;
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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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SetVROM_8K_Bank(0);
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}
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//void Mapper070::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_16K_Bank(4, (data & 0x70) >> 4);
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SetVROM_8K_Bank(data & 0x0F);
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if (patch != 0)
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{
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if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_HMIRROR);
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else SetVRAM_Mirror(VRAM_VMIRROR);
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}
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else
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{
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if ((data & 0x80) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
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else SetVRAM_Mirror(VRAM_MIRROR4L);
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}
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}
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}
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}
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