83 lines
1.6 KiB
C#
83 lines
1.6 KiB
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper076 Namcot 109 (女神転生) //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
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 Mapper076 : Mapper
|
|
{
|
|
BYTE reg;
|
|
public Mapper076(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|
|
|
if (VROM_1K_SIZE >= 8)
|
|
{
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
}
|
|
|
|
//void Mapper076::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
switch (addr)
|
|
{
|
|
case 0x8000:
|
|
reg = data;
|
|
break;
|
|
case 0x8001:
|
|
switch (reg & 0x07)
|
|
{
|
|
case 2:
|
|
SetVROM_2K_Bank(0, data);
|
|
break;
|
|
case 3:
|
|
SetVROM_2K_Bank(2, data);
|
|
break;
|
|
case 4:
|
|
SetVROM_2K_Bank(4, data);
|
|
break;
|
|
case 5:
|
|
SetVROM_2K_Bank(6, data);
|
|
break;
|
|
case 6:
|
|
SetPROM_8K_Bank(4, data);
|
|
break;
|
|
case 7:
|
|
SetPROM_8K_Bank(5, data);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
//void Mapper076::SaveState(LPBYTE p)
|
|
public override void SaveState(byte[] p)
|
|
{
|
|
p[0] = reg;
|
|
}
|
|
|
|
//void Mapper076::LoadState(LPBYTE p)
|
|
public override void LoadState(byte[] p)
|
|
{
|
|
reg = p[0];
|
|
}
|
|
|
|
|
|
public override bool IsStateSave()
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|