forked from sin365/AxibugEmuOnline
42 lines
1010 B
C#
42 lines
1010 B
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper089 SunSoft (水戸黄門) //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
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 Mapper089 : Mapper
|
|
{
|
|
public Mapper089(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
|
|
//void Mapper089::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
if ((addr & 0xFF00) == 0xC000)
|
|
{
|
|
SetPROM_16K_Bank(4, (data & 0x70) >> 4);
|
|
|
|
SetVROM_8K_Bank(((data & 0x80) >> 4) | (data & 0x07));
|
|
|
|
if ((data & 0x08) != 0) SetVRAM_Mirror(VRAM_MIRROR4H);
|
|
else SetVRAM_Mirror(VRAM_MIRROR4L);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|