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();
}
