void Init(GameInfo game, byte[] rom) { Controller = NullController.GetNullController(); Cpu = new HuC6280(CoreComm); VCE = new VCE(); VDC1 = new VDC(this, Cpu, VCE); PSG = new HuC6280PSG(); SCSI = new ScsiCDBus(this, disc); Cpu.Logger = (s) => CoreComm.Tracer.Put(s); if (TurboGrafx) { Ram = new byte[0x2000]; Cpu.ReadMemory21 = ReadMemory; Cpu.WriteMemory21 = WriteMemory; Cpu.WriteVDC = VDC1.WriteVDC; soundProvider = PSG; CDAudio = new CDAudio(null, 0); } else if (SuperGrafx) { VDC2 = new VDC(this, Cpu, VCE); VPC = new VPC(this, VDC1, VDC2, VCE, Cpu); Ram = new byte[0x8000]; Cpu.ReadMemory21 = ReadMemorySGX; Cpu.WriteMemory21 = WriteMemorySGX; Cpu.WriteVDC = VDC1.WriteVDC; soundProvider = PSG; CDAudio = new CDAudio(null, 0); } else if (TurboCD) { Ram = new byte[0x2000]; CDRam = new byte[0x10000]; ADPCM = new ADPCM(this, SCSI); Cpu.ReadMemory21 = ReadMemoryCD; Cpu.WriteMemory21 = WriteMemoryCD; Cpu.WriteVDC = VDC1.WriteVDC; CDAudio = new CDAudio(disc); SetCDAudioCallback(); PSG.MaxVolume = short.MaxValue * 3 / 4; SoundMixer = new SoundMixer(PSG, CDAudio, ADPCM); SoundSynchronizer = new MetaspuSoundProvider(ESynchMethod.ESynchMethod_V); soundProvider = SoundSynchronizer; Cpu.ThinkAction = (cycles) => { SCSI.Think(); ADPCM.Think(cycles); }; } if (rom.Length == 0x60000) { // 384k roms require special loading code. Why ;_; // In memory, 384k roms look like [1st 256k][Then full 384k] RomData = new byte[0xA0000]; var origRom = rom; for (int i = 0; i < 0x40000; i++) RomData[i] = origRom[i]; for (int i = 0; i < 0x60000; i++) RomData[i + 0x40000] = origRom[i]; RomLength = RomData.Length; } else if (rom.Length > 1024 * 1024) { // If the rom is bigger than 1 megabyte, switch to Street Fighter 2 mapper Cpu.ReadMemory21 = ReadMemorySF2; Cpu.WriteMemory21 = WriteMemorySF2; RomData = rom; RomLength = RomData.Length; // user request: current value of the SF2MapperLatch on the tracelogger Cpu.Logger = (s) => CoreComm.Tracer.Put(string.Format("{0:X1}:{1}", SF2MapperLatch, s)); } else { // normal rom. RomData = rom; RomLength = RomData.Length; } if (game["BRAM"] || Type == NecSystemType.TurboCD) { BramEnabled = true; BRAM = new byte[2048]; // pre-format BRAM. damn are we helpful. BRAM[0] = 0x48; BRAM[1] = 0x55; BRAM[2] = 0x42; BRAM[3] = 0x4D; BRAM[4] = 0x00; BRAM[5] = 0x88; BRAM[6] = 0x10; BRAM[7] = 0x80; } if (game["SuperSysCard"]) SuperRam = new byte[0x30000]; if (game["ArcadeCard"]) { ArcadeRam = new byte[0x200000]; ArcadeCard = true; ArcadeCardRewindHack = _settings.ArcadeCardRewindHack; for (int i = 0; i < 4; i++) ArcadePage[i] = new ArcadeCardPage(); } if (game["PopulousSRAM"]) { PopulousRAM = new byte[0x8000]; Cpu.ReadMemory21 = ReadMemoryPopulous; Cpu.WriteMemory21 = WriteMemoryPopulous; } // the gamedb can force sprite limit on, ignoring settings if (game["ForceSpriteLimit"] || game.NotInDatabase) ForceSpriteLimit = true; if (game["CdVol"]) CDAudio.MaxVolume = int.Parse(game.OptionValue("CdVol")); if (game["PsgVol"]) PSG.MaxVolume = int.Parse(game.OptionValue("PsgVol")); if (game["AdpcmVol"]) ADPCM.MaxVolume = int.Parse(game.OptionValue("AdpcmVol")); // the gamedb can also force equalizevolumes on if (TurboCD && (_settings.EqualizeVolume || game["EqualizeVolumes"] || game.NotInDatabase)) SoundMixer.EqualizeVolumes(); // Ok, yes, HBlankPeriod's only purpose is game-specific hax. // 1) At least they're not coded directly into the emulator, but instead data-driven. // 2) The games which have custom HBlankPeriods work without it, the override only // serves to clean up minor gfx anomalies. // 3) There's no point in haxing the timing with incorrect values in an attempt to avoid this. // The proper fix is cycle-accurate/bus-accurate timing. That isn't coming to the C# // version of this core. Let's just acknolwedge that the timing is imperfect and fix // it in the least intrusive and most honest way we can. if (game["HBlankPeriod"]) VDC1.HBlankCycles = game.GetIntValue("HBlankPeriod"); // This is also a hack. Proper multi-res/TV emulation will be a native-code core feature. if (game["MultiResHack"]) VDC1.MultiResHack = game.GetIntValue("MultiResHack"); Cpu.ResetPC(); SetupMemoryDomains(); }
public Genesis(CoreComm comm, GameInfo game, byte[] rom) { ServiceProvider = new BasicServiceProvider(this); CoreComm = comm; MainCPU = new MC68000(); SoundCPU = new Z80A(); YM2612 = new YM2612() { MaxVolume = 23405 }; PSG = new SN76489() { MaxVolume = 4681 }; VDP = new GenVDP(); VDP.DmaReadFrom68000 = ReadWord; (ServiceProvider as BasicServiceProvider).Register<IVideoProvider>(VDP); SoundMixer = new SoundMixer(YM2612, PSG); MainCPU.ReadByte = ReadByte; MainCPU.ReadWord = ReadWord; MainCPU.ReadLong = ReadLong; MainCPU.WriteByte = WriteByte; MainCPU.WriteWord = WriteWord; MainCPU.WriteLong = WriteLong; MainCPU.IrqCallback = InterruptCallback; // ---------------------- musashi ----------------------- #if MUSASHI _vdp = vdpcallback; read8 = Read8; read16 = Read16; read32 = Read32; write8 = Write8; write16 = Write16; write32 = Write32; Musashi.RegisterVdpCallback(Marshal.GetFunctionPointerForDelegate(_vdp)); Musashi.RegisterRead8(Marshal.GetFunctionPointerForDelegate(read8)); Musashi.RegisterRead16(Marshal.GetFunctionPointerForDelegate(read16)); Musashi.RegisterRead32(Marshal.GetFunctionPointerForDelegate(read32)); Musashi.RegisterWrite8(Marshal.GetFunctionPointerForDelegate(write8)); Musashi.RegisterWrite16(Marshal.GetFunctionPointerForDelegate(write16)); Musashi.RegisterWrite32(Marshal.GetFunctionPointerForDelegate(write32)); #endif // ---------------------- musashi ----------------------- SoundCPU.ReadMemory = ReadMemoryZ80; SoundCPU.WriteMemory = WriteMemoryZ80; SoundCPU.WriteHardware = (a, v) => { Console.WriteLine("Z80: Attempt I/O Write {0:X2}:{1:X2}", a, v); }; SoundCPU.ReadHardware = x => 0xFF; SoundCPU.IRQCallback = () => SoundCPU.Interrupt = false; Z80Reset = true; RomData = new byte[0x400000]; for (int i = 0; i < rom.Length; i++) RomData[i] = rom[i]; SetupMemoryDomains(); #if MUSASHI Musashi.Init(); Musashi.Reset(); VDP.GetPC = () => Musashi.PC; #else MainCPU.Reset(); VDP.GetPC = () => MainCPU.PC; #endif InitializeCartHardware(game); }
public SMS(CoreComm comm, GameInfo game, byte[] rom, object settings, object syncSettings) { Settings = (SMSSettings)settings ?? new SMSSettings(); SyncSettings = (SMSSyncSettings)syncSettings ?? new SMSSyncSettings(); CoreComm = comm; IsGameGear = game.System == "GG"; IsSG1000 = game.System == "SG"; RomData = rom; CoreComm.CpuTraceAvailable = true; if (RomData.Length % BankSize != 0) Array.Resize(ref RomData, ((RomData.Length / BankSize) + 1) * BankSize); RomBanks = (byte)(RomData.Length / BankSize); DisplayType = DetermineDisplayType(SyncSettings.DisplayType, game.Region); if (game["PAL"] && DisplayType != DisplayType.PAL) { DisplayType = DisplayType.PAL; CoreComm.Notify("Display was forced to PAL mode for game compatibility."); } if (IsGameGear) DisplayType = DisplayType.NTSC; // all game gears run at 60hz/NTSC mode CoreComm.VsyncNum = DisplayType == DisplayType.NTSC ? 60 : 50; CoreComm.VsyncDen = 1; Region = SyncSettings.ConsoleRegion; if (Region == "Auto") Region = DetermineRegion(game.Region); if (game["Japan"] && Region != "Japan") { Region = "Japan"; CoreComm.Notify("Region was forced to Japan for game compatibility."); } if ((game.NotInDatabase || game["FM"]) && SyncSettings.EnableFM && !IsGameGear) HasYM2413 = true; if (Controller == null) Controller = NullController.GetNullController(); Cpu = new Z80A(); Cpu.RegisterSP = 0xDFF0; Cpu.ReadHardware = ReadPort; Cpu.WriteHardware = WritePort; Vdp = new VDP(this, Cpu, IsGameGear ? VdpMode.GameGear : VdpMode.SMS, DisplayType); PSG = new SN76489(); YM2413 = new YM2413(); SoundMixer = new SoundMixer(YM2413, PSG); if (HasYM2413 && game["WhenFMDisablePSG"]) SoundMixer.DisableSource(PSG); ActiveSoundProvider = HasYM2413 ? (ISoundProvider)SoundMixer : PSG; SystemRam = new byte[0x2000]; if (game["CMMapper"]) InitCodeMastersMapper(); else if (game["CMMapperWithRam"]) InitCodeMastersMapperRam(); else if (game["ExtRam"]) InitExt2kMapper(int.Parse(game.OptionValue("ExtRam"))); else if (game["KoreaMapper"]) InitKoreaMapper(); else if (game["MSXMapper"]) InitMSXMapper(); else if (game["NemesisMapper"]) InitNemesisMapper(); else if (game["TerebiOekaki"]) InitTerebiOekaki(); else InitSegaMapper(); if (Settings.ForceStereoSeparation && !IsGameGear) { if (game["StereoByte"]) { ForceStereoByte = byte.Parse(game.OptionValue("StereoByte")); } PSG.StereoPanning = ForceStereoByte; } if (SyncSettings.AllowOverlock && game["OverclockSafe"]) Vdp.IPeriod = 512; if (Settings.SpriteLimit) Vdp.SpriteLimit = true; if (game["3D"]) IsGame3D = true; if (game["BIOS"]) { Port3E = 0xF7; // Disable cartridge, enable BIOS rom InitBiosMapper(); } else if (game.System == "SMS") { BiosRom = comm.CoreFileProvider.GetFirmware("SMS", Region, false); if (BiosRom != null && (game["RequireBios"] || SyncSettings.UseBIOS)) Port3E = 0xF7; if (BiosRom == null && game["RequireBios"]) CoreComm.Notify("BIOS image not available. This game requires BIOS to function."); if (SyncSettings.UseBIOS && BiosRom == null) CoreComm.Notify("BIOS was selected, but rom image not available. BIOS not enabled."); } if (game["SRAM"]) SaveRAM = new byte[int.Parse(game.OptionValue("SRAM"))]; else if (game.NotInDatabase) SaveRAM = new byte[0x8000]; SetupMemoryDomains(); }