AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper061.cs

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2024-08-05 00:44:30 +08:00
//////////////////////////////////////////////////////////////////////////
// Mapper061 //
//////////////////////////////////////////////////////////////////////////
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 Mapper061 : Mapper
{
public Mapper061(NES parent) : base(parent)
{
}
public override void Reset()
{
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
}
//void Mapper061::Write(WORD addr, BYTE data)
public override void Write(ushort addr, byte data)
{
switch (addr & 0x30)
{
case 0x00:
case 0x30:
SetPROM_32K_Bank(addr & 0x0F);
break;
case 0x10:
case 0x20:
SetPROM_16K_Bank(4, ((addr & 0x0F) << 1) | ((addr & 0x20) >> 4));
SetPROM_16K_Bank(6, ((addr & 0x0F) << 1) | ((addr & 0x20) >> 4));
break;
}
if ((addr & 0x80) != 0) SetVRAM_Mirror(VRAM_HMIRROR);
else SetVRAM_Mirror(VRAM_VMIRROR);
}
}
}