BizHawk/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.IMemoryDomains.cs

85 lines
2.6 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Nintendo.NES
{
public partial class NES
{
private MemoryDomainList _memoryDomains;
private bool _memoryDomainsSetup = false;
private void SetupMemoryDomains()
{
var domains = new List<MemoryDomain>();
var RAM = new MemoryDomainByteArray("RAM", MemoryDomain.Endian.Little, ram, true, 1);
var SystemBus = new MemoryDomainDelegate("System Bus", 0x10000, MemoryDomain.Endian.Little,
addr => PeekMemory((ushort)addr), (addr, value) => ApplySystemBusPoke((int)addr, value), 1);
var PPUBus = new MemoryDomainDelegate("PPU Bus", 0x4000, MemoryDomain.Endian.Little,
addr => ppu.ppubus_peek((int)addr), (addr, value) => ppu.ppubus_write((int)addr, value), 1);
var CIRAMdomain = new MemoryDomainByteArray("CIRAM (nametables)", MemoryDomain.Endian.Little, CIRAM, true, 1);
var OAMdoman = new MemoryDomainByteArray("OAM", MemoryDomain.Endian.Unknown, ppu.OAM, true, 1);
domains.Add(RAM);
domains.Add(SystemBus);
domains.Add(PPUBus);
domains.Add(CIRAMdomain);
domains.Add(OAMdoman);
if (!(Board is FDS) && Board.SaveRam != null)
{
var BatteryRam = new MemoryDomainByteArray("Battery RAM", MemoryDomain.Endian.Little, Board.SaveRam, true, 1);
domains.Add(BatteryRam);
}
if (Board.ROM != null)
{
var PRGROM = new MemoryDomainByteArray("PRG ROM", MemoryDomain.Endian.Little, Board.ROM, true, 1);
domains.Add(PRGROM);
}
if (Board.VROM != null)
{
var CHRROM = new MemoryDomainByteArray("CHR VROM", MemoryDomain.Endian.Little, Board.VROM, true, 1);
domains.Add(CHRROM);
}
if (Board.VRAM != null)
{
var VRAM = new MemoryDomainByteArray("VRAM", MemoryDomain.Endian.Little, Board.VRAM, true, 1);
domains.Add(VRAM);
}
if (Board.WRAM != null)
{
var WRAM = new MemoryDomainByteArray("WRAM", MemoryDomain.Endian.Little, Board.WRAM, true, 1);
domains.Add(WRAM);
}
// if there were more boards with special ram sets, we'd want to do something more general
if (Board is FDS)
{
domains.Add((Board as FDS).GetDiskPeeker());
}
else if (Board is ExROM)
{
domains.Add((Board as ExROM).GetExRAM());
}
if (!_memoryDomainsSetup)
{
_memoryDomains = new MemoryDomainList(domains);
(ServiceProvider as BasicServiceProvider).Register<IMemoryDomains>(_memoryDomains);
_memoryDomainsSetup = true;
}
else
{
var src = new MemoryDomainList(domains);
_memoryDomains.MergeList(src);
}
}
}
}