public byte BaseReadMemory(ushort addr)
{
addr = (ushort)(addr & 0x1FFF);
if ((addr & 0x1080) == 0)
{
return(_tia.ReadMemory(addr, false));
}
if ((addr & 0x1080) == 0x0080)
{
return(M6532.ReadMemory(addr, false));
}
return(Rom[addr & 0x0FFF]);
}
internal byte BaseReadMemory(ushort addr)
{
addr = (ushort)(addr & 0x1FFF);
if ((addr & 0x1080) == 0)
{
return(_tia.ReadMemory(addr, false));
}
if ((addr & 0x1080) == 0x0080)
{
_tia.BusState = _m6532.ReadMemory(addr, false);
return(_m6532.ReadMemory(addr, false));
}
_tia.BusState = Rom[addr & 0x0FFF];
return(Rom[addr & 0x0FFF]);
}
private void SetupMemoryDomains()
{
var domains = new List <MemoryDomain>
{
new MemoryDomain(
"Main RAM",
128,
MemoryDomain.Endian.Little,
addr => Ram[addr],
(addr, value) => Ram[addr] = value),
new MemoryDomain(
"TIA",
16,
MemoryDomain.Endian.Little,
addr => _tia.ReadMemory((ushort)addr, true),
(addr, value) => this._tia.WriteMemory((ushort)addr, value)),
new MemoryDomain(
"PIA",
1024,
MemoryDomain.Endian.Little,
addr => M6532.ReadMemory((ushort)addr, true),
(addr, value) => M6532.WriteMemory((ushort)addr, value)),
new MemoryDomain(
"System Bus",
65536,
MemoryDomain.Endian.Little,
addr => _mapper.PeekMemory((ushort)addr),
(addr, value) => _mapper.PokeMemory((ushort)addr, value))
};
if (_mapper is mDPC) // TODO: also mDPCPlus
{
domains.Add(new MemoryDomain(
"DPC",
2048,
MemoryDomain.Endian.Little,
addr => (_mapper as mDPC).DspData[addr],
(addr, value) => (_mapper as mDPC).DspData[addr] = value));
}
if (_mapper.HasCartRam)
{
domains.Add(new MemoryDomain(
"Cart Ram",
_mapper.CartRam.Len,
MemoryDomain.Endian.Little,
addr => _mapper.CartRam[(int)addr],
(addr, value) => _mapper.CartRam[(int)addr] = value));
}
MemoryDomains = new MemoryDomainList(domains);
(ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(MemoryDomains);
}
private void SetupMemoryDomains()
{
var domains = new List <MemoryDomain>
{
new MemoryDomainDelegate(
"TIA",
16,
MemoryDomain.Endian.Little,
addr => _tia.ReadMemory((ushort)addr, true),
(addr, value) => this._tia.WriteMemory((ushort)addr, value, true), 1),
new MemoryDomainDelegate(
"PIA",
1024,
MemoryDomain.Endian.Little,
addr => M6532.ReadMemory((ushort)addr, true),
(addr, value) => M6532.WriteMemory((ushort)addr, value), 1),
new MemoryDomainDelegate(
"System Bus",
65536,
MemoryDomain.Endian.Little,
addr => _mapper.PeekMemory((ushort)addr),
(addr, value) => _mapper.PokeMemory((ushort)addr, value), 1)
};
if (_mapper.HasCartRam)
{
domains.Add(new MemoryDomainDelegate(
"Cart Ram",
_mapper.CartRam.Len,
MemoryDomain.Endian.Little,
addr => _mapper.CartRam[(int)addr],
(addr, value) => _mapper.CartRam[(int)addr] = value, 1));
}
SyncAllByteArrayDomains();
MemoryDomains = new MemoryDomainList(_byteArrayDomains.Values.Concat(domains).ToList());
(ServiceProvider as BasicServiceProvider).Register <IMemoryDomains>(MemoryDomains);
_memoryDomainsInit = true;
}
public Atari2600(CoreComm comm, GameInfo game, byte[] rom, object settings, object syncSettings)
{
Ram = new byte[128];
CoreComm = comm;
Settings = (A2600Settings)settings ?? new A2600Settings();
SyncSettings = (A2600SyncSettings)syncSettings ?? new A2600SyncSettings();
var domains = new List <MemoryDomain>
{
new MemoryDomain(
"Main RAM",
128,
MemoryDomain.Endian.Little,
addr => Ram[addr],
(addr, value) => Ram[addr] = value),
new MemoryDomain(
"TIA",
16,
MemoryDomain.Endian.Little,
addr => _tia.ReadMemory((ushort)addr, true),
(addr, value) => this._tia.WriteMemory((ushort)addr, value)),
new MemoryDomain(
"PIA",
1024,
MemoryDomain.Endian.Little,
addr => M6532.ReadMemory((ushort)addr, true),
(addr, value) => M6532.WriteMemory((ushort)addr, value)),
new MemoryDomain(
"System Bus",
8192,
MemoryDomain.Endian.Little,
addr => _mapper.PeekMemory((ushort)addr),
(addr, value) => _mapper.PokeMemory((ushort)addr, value))
};
CoreComm.CpuTraceAvailable = true;
Rom = rom;
_game = game;
if (!game.GetOptionsDict().ContainsKey("m"))
{
game.AddOption("m", DetectMapper(rom));
}
Console.WriteLine("Game uses mapper " + game.GetOptionsDict()["m"]);
RebootCore();
if (_mapper is mDPC) // TODO: also mDPCPlus
{
domains.Add(new MemoryDomain(
"DPC",
2048,
MemoryDomain.Endian.Little,
addr => (_mapper as mDPC).DspData[addr],
(addr, value) => (_mapper as mDPC).DspData[addr] = value));
}
if (_mapper.HasCartRam)
{
domains.Add(new MemoryDomain(
"Cart Ram",
_mapper.CartRam.Len,
MemoryDomain.Endian.Little,
addr => _mapper.CartRam[addr],
(addr, value) => _mapper.CartRam[addr] = value));
}
MemoryDomains = new MemoryDomainList(domains);
}
