private void HardReset() { _ram = new byte[128]; _mapper.HardReset(); Cpu = new MOS6502X { ReadMemory = ReadMemory, WriteMemory = WriteMemory, PeekMemory = PeekMemory, DummyReadMemory = ReadMemory, OnExecFetch = ExecFetch }; _tia.Reset(); _m6532 = new M6532(this); Cpu.PC = (ushort)(ReadMemory(0x1FFC) + (ReadMemory(0x1FFD) << 8)); // set the initial PC // as it turns out, the stack pointer cannot be set to 0 for some games as they do not initilize it themselves. // some documentation seems to indicate it should beset to FD, but currently there is no documentation of the 6532 // executing a reset sequence at power on, but it's needed so let's hard code it for now Cpu.S = 0xFD; SetupMemoryDomains(); }
private void SyncState(Serializer ser) { ser.BeginSection("A2600"); Cpu.SyncState(ser); ser.Sync("ram", ref this.Ram, false); ser.Sync("Lag", ref _lagcount); ser.Sync("Frame", ref _frame); ser.Sync("IsLag", ref _islag); ser.Sync("frameStartPending", ref _frameStartPending); ser.Sync("leftDifficultySwitchPressed", ref _leftDifficultySwitchPressed); ser.Sync("rightDifficultySwitchPressed", ref _rightDifficultySwitchPressed); ser.Sync("leftDifficultySwitchHeld", ref _leftDifficultySwitchHeld); ser.Sync("rightDifficultySwitchHeld", ref _rightDifficultySwitchHeld); _tia.SyncState(ser); M6532.SyncState(ser); ser.BeginSection("Mapper"); _mapper.SyncState(ser); ser.EndSection(); ser.EndSection(); if (ser.IsReader) { SyncAllByteArrayDomains(); } }
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 HardReset() { _ram = new byte[128]; _mapper.HardReset(); Cpu = new MOS6502X <CpuLink>(new CpuLink(this)); _tia.Reset(); _m6532 = new M6532(this); SetupMemoryDomains(); cyc_counter = 0; }
private void SyncState(Serializer ser) { ser.BeginSection("A2600"); Cpu.SyncState(ser); ser.Sync("ram", ref this.Ram, false); ser.Sync("Lag", ref _lagcount); ser.Sync("Frame", ref _frame); ser.Sync("IsLag", ref _islag); ser.Sync("frameStartPending", ref _frameStartPending); _tia.SyncState(ser); M6532.SyncState(ser); ser.BeginSection("Mapper"); _mapper.SyncState(ser); ser.EndSection(); ser.EndSection(); }
private void RebootCore() { // Regenerate mapper here to make sure its state is entirely clean _mapper = CreateMapper(this, _game.GetOptions()["m"], Rom.Length); _lagCount = 0; Cpu = new MOS6502X <CpuLink>(new CpuLink(this)); if (_game["PAL"]) { _pal = true; } else if (_game["NTSC"]) { _pal = false; } else { _pal = DetectPal(_game, Rom); } // dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles _tia = new TIA(this, _pal, Settings.SECAMColors); _dcfilter = new DCFilter(_tia, 256); _m6532 = new M6532(this); HardReset(); RomDetails = $"{_game.Name}\r\n{SHA1Checksum.ComputePrefixedHex(Rom)}\r\n{MD5Checksum.ComputePrefixedHex(Rom)}\r\nMapper Impl \"{_mapper.GetType()}\""; // Some games (ex. 3D tic tac toe), turn off the screen for extended periods, so we need to allow for this here. if (_game.GetOptions().TryGetValue("SP_FRAME", out var spFrameStr) && spFrameStr == "true") { SP_FRAME = true; } // Some games wait for reset to be unpressed before turning the screen back on, hack unset it if needed if (_game.GetOptions().TryGetValue("SP_RESET", out var spResetStr) && spResetStr == "true") { SP_RESET = true; } // Ditto select (ex. Karate) if (_game.GetOptions().TryGetValue("SP_SELECT", out var spSelectStr) && spSelectStr == "true") { SP_SELECT = true; } }
private void RebootCore() { // Regenerate mapper here to make sure its state is entirely clean _mapper = CreateMapper(this, _game.GetOptions()["m"], Rom.Length); _lagCount = 0; Cpu = new MOS6502X <CpuLink>(new CpuLink(this)); if (_game["PAL"]) { _pal = true; } else if (_game["NTSC"]) { _pal = false; } else { _pal = DetectPal(_game, Rom); } // dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles _tia = new TIA(this, _pal, Settings.SECAMColors); _dcfilter = new DCFilter(_tia, 256); _m6532 = new M6532(this); HardReset(); RomDetails = $"{_game.Name}\r\nSHA1:{Rom.HashSHA1()}\r\nMD5:{Rom.HashMD5()}\r\nMapper Impl \"{_mapper.GetType()}\""; // Some games (ex. 3D tic tac toe), turn off the screen for extended periods, so we need to allow for this here. if (_game.GetOptions().ContainsKey("SP_FRAME")) { if (_game.GetOptions()["SP_FRAME"] == "true") { SP_FRAME = true; } } if (_game.GetOptions().ContainsKey("SP_RESET")) { if (_game.GetOptions()["SP_RESET"] == "true") { SP_RESET = true; } } }
public void HardReset() { Ram = new byte[128]; _mapper.HardReset(); Cpu = new MOS6502X { ReadMemory = this.ReadMemory, WriteMemory = this.WriteMemory, PeekMemory = this.PeekMemory, DummyReadMemory = this.ReadMemory, OnExecFetch = this.ExecFetch }; _tia.Reset(); M6532 = new M6532(this); Cpu.PC = (ushort)(ReadMemory(0x1FFC) + (ReadMemory(0x1FFD) << 8)); // set the initial PC }
private void HardReset() { _ram = new byte[128]; _mapper.HardReset(); Cpu = new MOS6502X { ReadMemory = ReadMemory, WriteMemory = WriteMemory, PeekMemory = PeekMemory, DummyReadMemory = ReadMemory, OnExecFetch = ExecFetch }; _tia.Reset(); _m6532 = new M6532(this); SetupMemoryDomains(); cyc_counter = 0; }
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; }
private void HardReset() { Ram = new byte[128]; _mapper.HardReset(); Cpu = new MOS6502X { ReadMemory = this.ReadMemory, WriteMemory = this.WriteMemory, PeekMemory = this.PeekMemory, DummyReadMemory = this.ReadMemory, OnExecFetch = this.ExecFetch }; _tia.Reset(); M6532 = new M6532(this); Cpu.PC = (ushort)(ReadMemory(0x1FFC) + (ReadMemory(0x1FFD) << 8)); // set the initial PC // as it turns out, the stack pointer cannot be set to 0 for some games as they do not initilize it themselves. // some documentation seems to indicate it should beset to FD, but currently there is no documentation of the 6532 // executing a reset sequence at power on, but it's needed so let's hard code it for now Cpu.S = 0xFD; }
private void RebootCore() { // Regenerate mapper here to make sure its state is entirely clean switch (_game.GetOptionsDict()["m"]) { case "2IN1": _mapper = SetMultiCartMapper(Rom.Length, 2); break; case "4IN1": _mapper = SetMultiCartMapper(Rom.Length, 4); break; case "8IN1": _mapper = SetMultiCartMapper(Rom.Length, 8); break; case "16IN1": _mapper = SetMultiCartMapper(Rom.Length, 16); break; case "32IN1": _mapper = SetMultiCartMapper(Rom.Length, 32); break; case "AR": _mapper = new mAR(this); // This mapper has to set up configurations in the contructor. break; case "4K": _mapper = new m4K(); break; case "2K": _mapper = new m2K(); break; case "CM": _mapper = new mCM(); break; case "CV": _mapper = new mCV(); break; case "DPC": _mapper = new mDPC(); break; case "DPC+": _mapper = new mDPCPlus(); break; case "F8": _mapper = new mF8(); break; case "F8SC": _mapper = new mF8SC(); break; case "F6": _mapper = new mF6(); break; case "F6SC": _mapper = new mF6SC(); break; case "F4": _mapper = new mF4(); break; case "F4SC": _mapper = new mF4SC(); break; case "FE": _mapper = new mFE(); break; case "E0": _mapper = new mE0(); break; case "3F": _mapper = new m3F(); break; case "FA": _mapper = new mFA(); break; case "FA2": _mapper = new mFA2(); break; case "E7": _mapper = new mE7(); break; case "F0": _mapper = new mF0(); break; case "UA": _mapper = new mUA(); break; // Special Sega Mapper which has swapped banks case "F8_sega": _mapper = new mF8_sega(); break; // Homebrew mappers case "3E": _mapper = new m3E(); break; case "0840": _mapper = new m0840(); break; case "MC": _mapper = new mMC(); break; case "EF": _mapper = new mEF(); break; case "EFSC": _mapper = new mEFSC(); break; case "X07": _mapper = new mX07(); break; case "4A50": _mapper = new m4A50(); break; case "SB": _mapper = new mSB(); break; default: throw new InvalidOperationException("mapper not supported: " + _game.GetOptionsDict()["m"]); } _mapper.Core = this; _lagCount = 0; Cpu = new MOS6502X <CpuLink>(new CpuLink(this)); if (_game["PAL"]) { _pal = true; } else if (_game["NTSC"]) { _pal = false; } else { _pal = DetectPal(_game, Rom); } // dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles _tia = new TIA(this, _pal, Settings.SECAMColors); _dcfilter = new DCFilter(_tia, 256); _m6532 = new M6532(this); HardReset(); // Show mapper class on romstatusdetails CoreComm.RomStatusDetails = $"{this._game.Name}\r\nSHA1:{Rom.HashSHA1()}\r\nMD5:{Rom.HashMD5()}\r\nMapper Impl \"{_mapper.GetType()}\""; // Some games (ex. 3D tic tac toe), turn off the screen for extended periods, so we need to allow for this here. if (_game.GetOptionsDict().ContainsKey("SP_FRAME")) { if (_game.GetOptionsDict()["SP_FRAME"] == "true") { SP_FRAME = true; } } if (_game.GetOptionsDict().ContainsKey("SP_RESET")) { if (_game.GetOptionsDict()["SP_RESET"] == "true") { SP_RESET = true; } } }
public void RebootCore() { // Regenerate mapper here to make sure its state is entirely clean switch (_game.GetOptionsDict()["m"]) { case "2IN1": _mapper = SetMultiCartMapper(Rom.Length, 2); break; case "4IN1": _mapper = SetMultiCartMapper(Rom.Length, 4); break; case "8IN1": _mapper = SetMultiCartMapper(Rom.Length, 8); break; case "16IN1": _mapper = SetMultiCartMapper(Rom.Length, 16); break; case "32IN1": _mapper = SetMultiCartMapper(Rom.Length, 32); break; case "AR": _mapper = new mAR(this); // This mapper has to set up configurations in the contructor. break; case "4K": _mapper = new m4K(); break; case "2K": _mapper = new m2K(); break; case "CM": _mapper = new mCM(); break; case "CV": _mapper = new mCV(); break; case "DPC": _mapper = new mDPC(); break; case "DPC+": _mapper = new mDPCPlus(); break; case "F8": _mapper = new mF8(); break; case "F8SC": _mapper = new mF8SC(); break; case "F6": _mapper = new mF6(); break; case "F6SC": _mapper = new mF6SC(); break; case "F4": _mapper = new mF4(); break; case "F4SC": _mapper = new mF4SC(); break; case "FE": _mapper = new mFE(); break; case "E0": _mapper = new mE0(); break; case "3F": _mapper = new m3F(); break; case "FA": _mapper = new mFA(); break; case "FA2": _mapper = new mFA2(); break; case "E7": _mapper = new mE7(); break; case "F0": _mapper = new mF0(); break; case "UA": _mapper = new mUA(); break; // Homebrew mappers case "3E": _mapper = new m3E(); break; case "0840": _mapper = new m0840(); break; case "MC": _mapper = new mMC(); break; case "EF": _mapper = new mEF(); break; case "EFSC": _mapper = new mEFSC(); break; case "X07": _mapper = new mX07(); break; case "4A50": _mapper = new m4A50(); break; case "SB": _mapper = new mSB(); break; default: throw new InvalidOperationException("mapper not supported: " + _game.GetOptionsDict()["m"]); } _mapper.Core = this; _lagcount = 0; Cpu = new MOS6502X { ReadMemory = this.ReadMemory, WriteMemory = this.WriteMemory, PeekMemory = this.PeekMemory, DummyReadMemory = this.ReadMemory, OnExecFetch = this.ExecFetch }; if (_game["PAL"]) { _pal = true; } else if (_game["NTSC"]) { _pal = false; } else { _pal = DetectPal(_game, Rom); } _tia = new TIA(this, _pal, Settings.SECAMColors); _tia.GetFrameRate(out CoreComm.VsyncNum, out CoreComm.VsyncDen); // dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles _dcfilter = DCFilter.AsISoundProvider(_tia, 256); M6532 = new M6532(this); // Set up the system state here. for instance.. // Read from the reset vector for where to start Cpu.PC = (ushort)(ReadMemory(0x1FFC) + (ReadMemory(0x1FFD) << 8)); // set the initial PC // Show mapper class on romstatusdetails CoreComm.RomStatusDetails = string.Format( "{0}\r\nSHA1:{1}\r\nMD5:{2}\r\nMapper Impl \"{3}\"", this._game.Name, Rom.HashSHA1(), Rom.HashMD5(), _mapper.GetType()); }
private void RebootCore() { // Regenerate mapper here to make sure its state is entirely clean switch (_game.GetOptionsDict()["m"]) { case "2IN1": _mapper = SetMultiCartMapper(Rom.Length, 2); break; case "4IN1": _mapper = SetMultiCartMapper(Rom.Length, 4); break; case "8IN1": _mapper = SetMultiCartMapper(Rom.Length, 8); break; case "16IN1": _mapper = SetMultiCartMapper(Rom.Length, 16); break; case "32IN1": _mapper = SetMultiCartMapper(Rom.Length, 32); break; case "AR": _mapper = new mAR(this); // This mapper has to set up configurations in the contructor. break; case "4K": _mapper = new m4K(); break; case "2K": _mapper = new m2K(); break; case "CM": _mapper = new mCM(); break; case "CV": _mapper = new mCV(); break; case "DPC": _mapper = new mDPC(); break; case "DPC+": _mapper = new mDPCPlus(); break; case "F8": _mapper = new mF8(); break; case "F8SC": _mapper = new mF8SC(); break; case "F6": _mapper = new mF6(); break; case "F6SC": _mapper = new mF6SC(); break; case "F4": _mapper = new mF4(); break; case "F4SC": _mapper = new mF4SC(); break; case "FE": _mapper = new mFE(); break; case "E0": _mapper = new mE0(); break; case "3F": _mapper = new m3F(); break; case "FA": _mapper = new mFA(); break; case "FA2": _mapper = new mFA2(); break; case "E7": _mapper = new mE7(); break; case "F0": _mapper = new mF0(); break; case "UA": _mapper = new mUA(); break; // Special Sega Mapper which has swapped banks case "F8_sega": _mapper = new mF8_sega(); break; // Homebrew mappers case "3E": _mapper = new m3E(); break; case "0840": _mapper = new m0840(); break; case "MC": _mapper = new mMC(); break; case "EF": _mapper = new mEF(); break; case "EFSC": _mapper = new mEFSC(); break; case "X07": _mapper = new mX07(); break; case "4A50": _mapper = new m4A50(); break; case "SB": _mapper = new mSB(); break; default: throw new InvalidOperationException("mapper not supported: " + _game.GetOptionsDict()["m"]); } _mapper.Core = this; _lagcount = 0; Cpu = new MOS6502X { ReadMemory = this.ReadMemory, WriteMemory = this.WriteMemory, PeekMemory = this.PeekMemory, DummyReadMemory = this.ReadMemory, OnExecFetch = this.ExecFetch }; if (_game["PAL"]) { _pal = true; } else if (_game["NTSC"]) { _pal = false; } else { _pal = DetectPal(_game, Rom); } // dcfilter coefficent is from real observed hardware behavior: a latched "1" will fully decay by ~170 or so tia sound cycles _tia = new TIA(this, _pal, Settings.SECAMColors, CoreComm.VsyncRate > 55.0 ? 735 : 882); _tia.GetFrameRate(out CoreComm.VsyncNum, out CoreComm.VsyncDen); _dcfilter = new DCFilter(_tia, 256); M6532 = new M6532(this); // Set up the system state here. for instance.. // Read from the reset vector for where to start Cpu.PC = (ushort)(ReadMemory(0x1FFC) + (ReadMemory(0x1FFD) << 8)); // set the initial PC // Show mapper class on romstatusdetails CoreComm.RomStatusDetails = string.Format( "{0}\r\nSHA1:{1}\r\nMD5:{2}\r\nMapper Impl \"{3}\"", this._game.Name, Rom.HashSHA1(), Rom.HashMD5(), _mapper.GetType()); // as it turns out, the stack pointer cannot be set to 0 for some games as they do not initilize it themselves. // some documentation seems to indicate it should beset to FD, but currently there is no documentation of the 6532 // executing a reset sequence at power on, but it's needed so let's hard code it for now Cpu.S = 0xFD; }
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); }