AxibugEmuOnline/AxibugEmuOnline.Client.PSVita/Assets/VirtualNes.Core/Mapper/Mapper071.cs

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2024-12-08 21:50:52 +08:00
//////////////////////////////////////////////////////////////////////////
// Mapper071 Camerica //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;
using static VirtualNes.Core.CPU;
using INT = System.Int32;
using BYTE = System.Byte;
using System;
//using Codice.CM.Client.Differences;
namespace VirtualNes.Core
{
public class Mapper071 : Mapper
{
public Mapper071(NES parent) : base(parent)
{
}
public override void Reset()
{
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
}
//void Mapper071::WriteLow(WORD addr, BYTE data)
public override void WriteLow(ushort addr, byte data)
{
if ((addr & 0xE000) == 0x6000)
{
SetPROM_16K_Bank(4, data);
}
}
//void Mapper071::Write(WORD addr, BYTE data)
public override void Write(ushort addr, byte data)
{
switch (addr & 0xF000)
{
case 0x9000:
if ((data & 0x10) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
else SetVRAM_Mirror(VRAM_MIRROR4L);
break;
case 0xC000:
case 0xD000:
case 0xE000:
case 0xF000:
SetPROM_16K_Bank(4, data);
break;
}
}
}
}