80 lines
1.8 KiB
C#
80 lines
1.8 KiB
C#
////////////////////////////
|
|
// Mapper113 PC-Sachen/Hacker //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
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 Mapper113 : Mapper
|
|
{
|
|
public Mapper113(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
// SetPROM_32K_Bank( 0, 1, PROM_8K_SIZE-2, PROM_8K_SIZE-1 );
|
|
SetPROM_32K_Bank(0);
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
|
|
//void Mapper113::WriteLow(WORD addr, BYTE data)
|
|
public override void WriteLow(ushort addr, byte data)
|
|
{
|
|
//DEBUGOUT( "$%04X:$%02X L=%3d\n", addr, data, nes.GetScanline() );
|
|
switch (addr)
|
|
{
|
|
case 0x4100:
|
|
case 0x4111:
|
|
case 0x4120:
|
|
case 0x4194:
|
|
case 0x4195:
|
|
case 0x4900:
|
|
if (nes.rom.GetPROM_CRC() == 0xA75AEDE5)
|
|
{ // HES 6-in-1
|
|
if ((data & 0x80) != 0)
|
|
{
|
|
SetVRAM_Mirror(VRAM_VMIRROR);
|
|
}
|
|
else
|
|
{
|
|
SetVRAM_Mirror(VRAM_HMIRROR);
|
|
}
|
|
}
|
|
SetPROM_32K_Bank(data >> 3);
|
|
SetVROM_8K_Bank(((data >> 3) & 0x08) + (data & 0x07));
|
|
break;
|
|
}
|
|
}
|
|
|
|
//void Mapper113::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
//DEBUGOUT( "$%04X:$%02X L=%3d\n", addr, data, nes.GetScanline() );
|
|
switch (addr)
|
|
{
|
|
case 0x8008:
|
|
case 0x8009:
|
|
SetPROM_32K_Bank(data >> 3);
|
|
SetVROM_8K_Bank(((data >> 3) & 0x08) + (data & 0x07));
|
|
break;
|
|
case 0x8E66:
|
|
case 0x8E67:
|
|
//SetVROM_8K_Bank((data & 0x07) ? 0 : 1);
|
|
SetVROM_8K_Bank((data & 0x07) != 0 ? 0 : 1);
|
|
break;
|
|
case 0xE00A:
|
|
SetVRAM_Mirror(VRAM_MIRROR4L);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|