60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper151 VS-Unisystem //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
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 Mapper151 : Mapper
|
|
{
|
|
public Mapper151(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|
#if FALSE//0 //hum
|
|
uint crc = nes.rom.GetPROM_CRC();
|
|
if (crc == 0x1E438D52)
|
|
{
|
|
DirectDraw.SetVsPalette(7); //VS_Goonies
|
|
}
|
|
if (crc == 0xD99A2087)
|
|
{
|
|
DirectDraw.SetVsPalette(6); //VS_Gradius
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//void Mapper151::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
switch (addr)
|
|
{
|
|
case 0x8000:
|
|
SetPROM_8K_Bank(4, data);
|
|
break;
|
|
case 0xA000:
|
|
SetPROM_8K_Bank(5, data);
|
|
break;
|
|
case 0xC000:
|
|
SetPROM_8K_Bank(6, data);
|
|
break;
|
|
case 0xE000:
|
|
SetVROM_4K_Bank(0, data);
|
|
break;
|
|
case 0xF000:
|
|
SetVROM_4K_Bank(4, data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|