Esempio n. 1
0
 static string HashDiscImage(string file)
 {
     try
     {
         string ext = new FileInfo(file).Extension.ToLowerInvariant();
         using (var disc = ext == ".iso" ? Disc.FromIsoPath(file) : Disc.FromCuePath(file, new CueBinPrefs()))
         {
             return(disc.GetHash());
         }
     }
     catch
     {
         return("Error Hashing Disc");
     }
 }
Esempio n. 2
0
        private void lblMagicDragArea_DragDrop(object sender, DragEventArgs e)
        {
            List <string> files = validateDrop(e.Data);

            if (files.Count == 0)
            {
                return;
            }
            try
            {
                foreach (var file in files)
                {
                    var    prefs = GetCuePrefs();
                    string ext   = Path.GetExtension(file).ToUpper();
                    Disc   disc  = null;
                    if (ext == ".ISO")
                    {
                        disc = Disc.FromIsoPath(file);
                    }
                    else if (ext == ".CUE")
                    {
                        disc = Disc.FromCuePath(file, prefs);
                    }
                    else if (ext == ".CCD")
                    {
                        disc = Disc.FromCCDPath(file);
                    }
                    string baseName = Path.GetFileNameWithoutExtension(file);
                    baseName           += "_hawked";
                    prefs.ReallyDumpBin = true;
                    var cueBin = disc.DumpCueBin(baseName, GetCuePrefs());
                    Dump(cueBin, Path.GetDirectoryName(file), prefs);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString(), "oops! error");
                throw;
            }
        }
Esempio n. 3
0
        public bool LoadRom(string path, CoreComm nextComm, bool forceAccurateCore = false)         // forceAccurateCore is currently just for Quicknes vs Neshawk but could be used for other situations
        {
            bool cancel = false;

            if (path == null)
            {
                return(false);
            }

            using (var file = new HawkFile())
            {
                var romExtensions = new[] { "SMS", "SMC", "SFC", "PCE", "SGX", "GG", "SG", "BIN", "GEN", "MD", "SMD", "GB", "NES", "FDS", "ROM", "INT", "GBC", "UNF", "A78", "CRT", "COL", "XML", "Z64", "V64", "N64", "WS", "WSC", "GBA" };

                // lets not use this unless we need to
                // file.NonArchiveExtensions = romExtensions;
                file.Open(path);

                // if the provided file doesnt even exist, give up!
                if (!file.Exists)
                {
                    return(false);
                }

                // try binding normal rom extensions first
                if (!file.IsBound)
                {
                    file.BindSoleItemOf(romExtensions);
                }

                // if we have an archive and need to bind something, then pop the dialog
                if (file.IsArchive && !file.IsBound)
                {
                    int?result = HandleArchive(file);
                    if (result.HasValue)
                    {
                        file.BindArchiveMember(result.Value);
                    }
                    else
                    {
                        return(false);
                    }
                }

                // set this here so we can see what file we tried to load even if an error occurs
                CanonicalFullPath = file.CanonicalFullPath;

                IEmulator nextEmulator = null;
                RomGame   rom          = null;
                GameInfo  game         = null;

                try
                {
                    var ext = file.Extension.ToLower();
                    if (ext == ".m3u")
                    {
                        //HACK ZONE - currently only psx supports m3u
                        M3U_File m3u;
                        using (var sr = new StreamReader(path))
                            m3u = M3U_File.Read(sr);
                        if (m3u.Entries.Count == 0)
                        {
                            throw new InvalidOperationException("Can't load an empty M3U");
                        }
                        //load discs for all the m3u
                        m3u.Rebase(Path.GetDirectoryName(path));
                        List <Disc>   discs     = new List <Disc>();
                        List <string> discNames = new List <string>();
                        foreach (var e in m3u.Entries)
                        {
                            Disc   disc     = null;
                            string discPath = e.Path;
                            string discExt  = Path.GetExtension(discPath).ToLower();
                            if (discExt == ".iso")
                            {
                                disc = Disc.FromIsoPath(discPath);
                            }
                            if (discExt == ".cue")
                            {
                                disc = Disc.FromCuePath(discPath, new CueBinPrefs());
                            }
                            if (discExt == ".ccd")
                            {
                                disc = Disc.FromCCDPath(discPath);
                            }
                            if (disc == null)
                            {
                                throw new InvalidOperationException("Can't load one of the files specified in the M3U");
                            }
                            discNames.Add(Path.GetFileNameWithoutExtension(discPath));
                            discs.Add(disc);
                        }
                        nextEmulator = new Octoshock(nextComm, discs, discNames, null, GetCoreSettings <Octoshock>(), GetCoreSyncSettings <Octoshock>());
                        nextEmulator.CoreComm.RomStatusDetails = "PSX etc.";
                        game = new GameInfo {
                            Name = Path.GetFileNameWithoutExtension(file.Name)
                        };
                        game.System = "PSX";
                    }
                    else if (ext == ".iso" || ext == ".cue" || ext == ".ccd")
                    {
                        if (file.IsArchive)
                        {
                            throw new InvalidOperationException("Can't load CD files from archives!");
                        }

                        Disc disc = null;
                        if (ext == ".iso")
                        {
                            disc = Disc.FromIsoPath(path);
                        }
                        if (ext == ".cue")
                        {
                            disc = Disc.FromCuePath(path, new CueBinPrefs());
                        }
                        if (ext == ".ccd")
                        {
                            disc = Disc.FromCCDPath(path);
                        }

                        var hash = disc.GetHash();
                        game = Database.CheckDatabase(hash);
                        if (game == null)
                        {
                            // try to use our wizard methods
                            game = new GameInfo {
                                Name = Path.GetFileNameWithoutExtension(file.Name), Hash = hash
                            };

                            switch (disc.DetectDiscType())
                            {
                            case DiscType.SegaSaturn:
                                game.System = "SAT";
                                break;

                            case DiscType.SonyPSP:
                                game.System = "PSP";
                                break;

                            default:
                            case DiscType.SonyPSX:
                                game.System = "PSX";
                                break;

                            case DiscType.MegaCD:
                                game.System = "GEN";
                                break;

                            case DiscType.TurboCD:
                            case DiscType.UnknownCDFS:
                            case DiscType.UnknownFormat:
                                game.System = "PCECD";
                                break;
                            }
                        }

                        switch (game.System)
                        {
                        case "GEN":
                            var genesis = new GPGX(
                                nextComm, null, disc, GetCoreSettings <GPGX>(), GetCoreSyncSettings <GPGX>());
                            nextEmulator = genesis;
                            break;

                        case "SAT":
                            nextEmulator = new Yabause(nextComm, disc, GetCoreSyncSettings <Yabause>());
                            break;

                        case "PSP":
                            nextEmulator = new PSP(nextComm, file.Name);
                            break;

                        case "PSX":
                            nextEmulator = new Octoshock(nextComm, new List <Disc>(new[] { disc }), new List <string>(new[] { Path.GetFileNameWithoutExtension(path) }), null, GetCoreSettings <Octoshock>(), GetCoreSyncSettings <Octoshock>());
                            nextEmulator.CoreComm.RomStatusDetails = "PSX etc.";
                            break;

                        case "PCE":
                        case "PCECD":
                            nextEmulator = new PCEngine(nextComm, game, disc, GetCoreSettings <PCEngine>(), GetCoreSyncSettings <PCEngine>());
                            break;
                        }
                    }
                    else if (file.Extension.ToLower() == ".xml")
                    {
                        try
                        {
                            var xmlGame = XmlGame.Create(file);                             // if load fails, are we supposed to retry as a bsnes XML????????
                            game = xmlGame.GI;

                            switch (game.System)
                            {
                            case "DGB":
                                var left  = Database.GetGameInfo(xmlGame.Assets["LeftRom"], "left.gb");
                                var right = Database.GetGameInfo(xmlGame.Assets["RightRom"], "right.gb");
                                nextEmulator = new GambatteLink(
                                    nextComm,
                                    left,
                                    xmlGame.Assets["LeftRom"],
                                    right,
                                    xmlGame.Assets["RightRom"],
                                    GetCoreSettings <GambatteLink>(),
                                    GetCoreSyncSettings <GambatteLink>(),
                                    Deterministic);

                                // other stuff todo
                                break;

                            case "AppleII":
                                var assets = xmlGame.Assets.Select(a => Database.GetGameInfo(a.Value, a.Key));
                                var roms   = xmlGame.Assets.Select(a => a.Value);
                                nextEmulator = new AppleII(
                                    nextComm,
                                    assets,
                                    roms,
                                    GetCoreSettings <AppleII>());
                                break;

                            default:
                                return(false);
                            }
                        }
                        catch (Exception ex)
                        {
                            try
                            {
                                // need to get rid of this hack at some point
                                rom = new RomGame(file);
                                ((CoreFileProvider)nextComm.CoreFileProvider).SubfileDirectory = Path.GetDirectoryName(path.Replace("|", String.Empty));                                 // Dirty hack to get around archive filenames (since we are just getting the directory path, it is safe to mangle the filename
                                byte[] romData = null;
                                byte[] xmlData = rom.FileData;

                                game        = rom.GameInfo;
                                game.System = "SNES";

                                var snes = new LibsnesCore(game, romData, Deterministic, xmlData, nextComm, GetCoreSettings <LibsnesCore>(), GetCoreSyncSettings <LibsnesCore>());
                                nextEmulator = snes;
                            }
                            catch
                            {
                                DoLoadErrorCallback(ex.ToString(), "DGB", LoadErrorType.XML);
                                return(false);
                            }
                        }
                    }
                    else                     // most extensions
                    {
                        rom = new RomGame(file);

                        //hacky for now
                        if (file.Extension.ToLower() == ".exe")
                        {
                            rom.GameInfo.System = "PSX";
                        }

                        if (string.IsNullOrEmpty(rom.GameInfo.System))
                        {
                            // Has the user picked a preference for this extension?
                            if (PreferredPlatformIsDefined(rom.Extension.ToLower()))
                            {
                                rom.GameInfo.System = Global.Config.PreferredPlatformsForExtensions[rom.Extension.ToLower()];
                            }
                            else if (ChoosePlatform != null)
                            {
                                var result = ChoosePlatform(rom);
                                if (!string.IsNullOrEmpty(result))
                                {
                                    rom.GameInfo.System = ChoosePlatform(rom);
                                }
                                else
                                {
                                    cancel = true;
                                }
                            }
                        }

                        game = rom.GameInfo;

                        var isXml = false;

                        // other xml has already been handled
                        if (file.Extension.ToLower() == ".xml")
                        {
                            game.System = "SNES";
                            isXml       = true;
                        }


                        CoreInventory.Core core = null;

                        switch (game.System)
                        {
                        default:
                            core = CoreInventory.Instance[game.System];
                            break;

                        case null:
                            // The user picked nothing in the Core picker
                            break;

                        case "83P":
                            var ti83Bios     = ((CoreFileProvider)nextComm.CoreFileProvider).GetFirmware("TI83", "Rom", true);
                            var ti83BiosPath = ((CoreFileProvider)nextComm.CoreFileProvider).GetFirmwarePath("TI83", "Rom", true);
                            using (var ti83AsHawkFile = new HawkFile())
                            {
                                ti83AsHawkFile.Open(ti83BiosPath);
                                var ti83BiosAsRom = new RomGame(ti83AsHawkFile);
                                var ti83          = new TI83(nextComm, ti83BiosAsRom.GameInfo, ti83Bios, GetCoreSettings <TI83>());
                                ti83.LinkPort.SendFileToCalc(File.OpenRead(path), false);
                                nextEmulator = ti83;
                            }
                            break;

                        case "SNES":
                            if (Global.Config.SNES_InSnes9x && VersionInfo.DeveloperBuild)
                            {
                                core = CoreInventory.Instance["SNES", "Snes9x"];
                            }
                            else
                            {
                                // need to get rid of this hack at some point
                                ((CoreFileProvider)nextComm.CoreFileProvider).SubfileDirectory = Path.GetDirectoryName(path.Replace("|", String.Empty));                                         // Dirty hack to get around archive filenames (since we are just getting the directory path, it is safe to mangle the filename
                                var romData = isXml ? null : rom.FileData;
                                var xmlData = isXml ? rom.FileData : null;
                                var snes    = new LibsnesCore(game, romData, Deterministic, xmlData, nextComm, GetCoreSettings <LibsnesCore>(), GetCoreSyncSettings <LibsnesCore>());
                                nextEmulator = snes;
                            }

                            break;

                        case "NES":
                            if (!Global.Config.NES_InQuickNES || forceAccurateCore)
                            {
                                core = CoreInventory.Instance["NES", "NesHawk"];
                            }
                            else
                            {
                                core = CoreInventory.Instance["NES", "QuickNes"];
                            }

                            break;

                        case "GB":
                        case "GBC":
                            if (!Global.Config.GB_AsSGB)
                            {
                                core = CoreInventory.Instance["GB", "Gambatte"];
                            }
                            else
                            {
                                try
                                {
                                    game.System = "SNES";
                                    game.AddOption("SGB");
                                    var snes = new LibsnesCore(game, rom.FileData, Deterministic, null, nextComm, GetCoreSettings <LibsnesCore>(), GetCoreSyncSettings <LibsnesCore>());
                                    nextEmulator = snes;
                                }
                                catch
                                {
                                    // failed to load SGB bios or game does not support SGB mode.
                                    // To avoid catch-22, disable SGB mode
                                    Global.Config.GB_AsSGB = false;
                                    throw;
                                }
                            }

                            break;

                        case "A78":
                            var gamedbpath = Path.Combine(PathManager.GetExeDirectoryAbsolute(), "gamedb", "EMU7800.csv");
                            nextEmulator = new Atari7800(nextComm, game, rom.RomData, gamedbpath);
                            break;

                        case "C64":
                            var c64 = new C64(nextComm, game, rom.RomData, rom.Extension);
                            nextEmulator = c64;
                            break;

                        case "AppleII":
                            var appleII = new AppleII(nextComm, game, rom.RomData, rom.Extension);
                            nextEmulator = appleII;
                            break;

                        case "GBA":
                            //core = CoreInventory.Instance["GBA", "Meteor"];
                            core = CoreInventory.Instance["GBA", "VBA-Next"];
                            break;

                        case "PSX":
                            nextEmulator = new Octoshock(nextComm, null, null, rom.FileData, GetCoreSettings <Octoshock>(), GetCoreSyncSettings <Octoshock>());
                            nextEmulator.CoreComm.RomStatusDetails = "PSX etc.";
                            break;

                        case "DEBUG":
                            if (VersionInfo.DeveloperBuild)
                            {
                                nextEmulator = LibRetroEmulator.CreateDebug(nextComm, rom.RomData);
                            }

                            break;
                        }

                        if (core != null)
                        {
                            // use coreinventory
                            nextEmulator = core.Create(nextComm, game, rom.RomData, rom.FileData, Deterministic, GetCoreSettings(core.Type), GetCoreSyncSettings(core.Type));
                        }
                    }

                    if (nextEmulator == null)
                    {
                        if (!cancel)
                        {
                            DoLoadErrorCallback("No core could load the rom.", null);
                        }
                        return(false);
                    }
                }
                catch (Exception ex)
                {
                    string system = null;
                    if (game != null)
                    {
                        system = game.System;
                    }

                    // all of the specific exceptions we're trying to catch here aren't expected to have inner exceptions,
                    // so drill down in case we got a TargetInvocationException or something like that
                    while (ex.InnerException != null)
                    {
                        ex = ex.InnerException;
                    }

                    // Specific hack here, as we get more cores of the same system, this isn't scalable
                    if (ex is UnsupportedGameException)
                    {
                        if (system == "NES")
                        {
                            DoMessageCallback("Unable to use quicknes, using NESHawk instead");
                        }

                        return(LoadRom(path, nextComm, forceAccurateCore: true));
                    }
                    else if (ex is MissingFirmwareException)
                    {
                        DoLoadErrorCallback(ex.Message, system, LoadErrorType.MissingFirmware);
                    }
                    else if (ex is CGBNotSupportedException)
                    {
                        // Note: GB as SGB was set to false by this point, otherwise we would want to do it here
                        DoMessageCallback("Failed to load a GB rom in SGB mode.  Disabling SGB Mode.");
                        return(LoadRom(path, nextComm));
                    }
                    else
                    {
                        DoLoadErrorCallback("A core accepted the rom, but threw an exception while loading it:\n\n" + ex, system);
                    }

                    return(false);
                }

                Rom            = rom;
                LoadedEmulator = nextEmulator;
                Game           = game;
                return(true);
            }
        }
Esempio n. 4
0
        public bool LoadRom(string path, CoreComm nextComm, bool forceAccurateCore = false)         // forceAccurateCore is currently just for Quicknes vs Neshawk but could be used for other situations
        {
            if (path == null)
            {
                return(false);
            }

            using (var file = new HawkFile())
            {
                var romExtensions = new[] { "SMS", "SMC", "SFC", "PCE", "SGX", "GG", "SG", "BIN", "GEN", "MD", "SMD", "GB", "NES", "FDS", "ROM", "INT", "GBC", "UNF", "A78", "CRT", "COL", "XML", "Z64", "V64", "N64", "WS", "WSC" };

                // lets not use this unless we need to
                // file.NonArchiveExtensions = romExtensions;
                file.Open(path);

                // if the provided file doesnt even exist, give up!
                if (!file.Exists)
                {
                    return(false);
                }

                // try binding normal rom extensions first
                if (!file.IsBound)
                {
                    file.BindSoleItemOf(romExtensions);
                }

                // if we have an archive and need to bind something, then pop the dialog
                if (file.IsArchive && !file.IsBound)
                {
                    var result = HandleArchive(file);
                    if (result.HasValue)
                    {
                        file.BindArchiveMember(result.Value);
                    }
                    else
                    {
                        return(false);
                    }
                }

                // set this here so we can see what file we tried to load even if an error occurs
                CanonicalFullPath = file.CanonicalFullPath;

                IEmulator nextEmulator = null;
                RomGame   rom          = null;
                GameInfo  game         = null;

                try
                {
                    var ext = file.Extension.ToLower();
                    if (ext == ".iso" || ext == ".cue")
                    {
                        var disc = ext == ".iso" ? Disc.FromIsoPath(path) : Disc.FromCuePath(path, new CueBinPrefs());
                        var hash = disc.GetHash();
                        game = Database.CheckDatabase(hash);
                        if (game == null)
                        {
                            // try to use our wizard methods
                            game = new GameInfo {
                                Name = Path.GetFileNameWithoutExtension(file.Name), Hash = hash
                            };

                            switch (disc.DetectDiscType())
                            {
                            case DiscType.SegaSaturn:
                                game.System = "SAT";
                                break;

                            case DiscType.SonyPSP:
                                game.System = "PSP";
                                break;

                            case DiscType.SonyPSX:
                                game.System = "PSX";
                                break;

                            case DiscType.MegaCD:
                                game.System = "GEN";
                                break;

                            case DiscType.TurboCD:
                            case DiscType.UnknownCDFS:
                            case DiscType.UnknownFormat:
                            default:                                     // PCECD was bizhawk's first CD core,
                                // and during that time, all CDs were blindly sent to it
                                // so this prevents regressions
                                game.System = "PCECD";
                                break;
                            }
                        }

                        switch (game.System)
                        {
                        case "GEN":
                            var genesis = new GPGX(
                                nextComm, null, disc, "GEN", GetCoreSettings <GPGX>(), GetCoreSyncSettings <GPGX>());
                            nextEmulator = genesis;
                            break;

                        case "SAT":
                            nextEmulator = new Yabause(nextComm, disc, GetCoreSyncSettings <Yabause>());
                            break;

                        case "PSP":
                            nextEmulator = new PSP(nextComm, file.Name);
                            break;

                        case "PSX":
                            nextEmulator = new Octoshock(nextComm);
                            (nextEmulator as Octoshock).LoadCuePath(file.CanonicalFullPath);
                            nextEmulator.CoreComm.RomStatusDetails = "PSX etc.";
                            break;

                        case "PCE":
                        case "PCECD":
                            nextEmulator = new PCEngine(nextComm, game, disc, GetCoreSettings <PCEngine>(), GetCoreSyncSettings <PCEngine>());
                            break;
                        }
                    }
                    else if (file.Extension.ToLower() == ".xml")
                    {
                        try
                        {
                            var xmlGame = XmlGame.Create(file);                             // if load fails, are we supposed to retry as a bsnes XML????????
                            game = xmlGame.GI;

                            switch (game.System)
                            {
                            case "DGB":
                                var left  = Database.GetGameInfo(xmlGame.Assets["LeftRom"], "left.gb");
                                var right = Database.GetGameInfo(xmlGame.Assets["RightRom"], "right.gb");
                                nextEmulator = new GambatteLink(
                                    nextComm,
                                    left,
                                    xmlGame.Assets["LeftRom"],
                                    right,
                                    xmlGame.Assets["RightRom"],
                                    GetCoreSettings <GambatteLink>(),
                                    GetCoreSyncSettings <GambatteLink>(),
                                    Deterministic);

                                // other stuff todo
                                break;

                            default:
                                return(false);
                            }
                        }
                        catch (Exception ex)
                        {
                            DoLoadErrorCallback(ex.ToString(), "DGB", LoadErrorType.XML);
                            return(false);
                        }
                    }
                    else                     // most extensions
                    {
                        rom = new RomGame(file);

                        if (string.IsNullOrEmpty(rom.GameInfo.System))
                        {
                            // Has the user picked a preference for this extension?
                            if (PreferredPlatformIsDefined(rom.Extension.ToLower()))
                            {
                                rom.GameInfo.System = Global.Config.PreferredPlatformsForExtensions[rom.Extension.ToLower()];
                            }
                            else if (ChoosePlatform != null)
                            {
                                rom.GameInfo.System = ChoosePlatform(rom);
                            }
                        }

                        game = rom.GameInfo;

                        var isXml = false;

                        // other xml has already been handled
                        if (file.Extension.ToLower() == ".xml")
                        {
                            game.System = "SNES";
                            isXml       = true;
                        }

                        switch (game.System)
                        {
                        case "SNES":
                            if (Global.Config.SNES_InSnes9x && VersionInfo.DeveloperBuild)
                            {
                                var snes = new Emulation.Cores.Nintendo.SNES9X.Snes9x(nextComm, rom.FileData);
                                nextEmulator = snes;
                            }
                            else
                            {
                                // need to get rid of this hack at some point
                                ((CoreFileProvider)nextComm.CoreFileProvider).SubfileDirectory = Path.GetDirectoryName(path.Replace("|", String.Empty));                                         // Dirty hack to get around archive filenames (since we are just getting the directory path, it is safe to mangle the filename
                                var romData = isXml ? null : rom.FileData;
                                var xmlData = isXml ? rom.FileData : null;
                                var snes    = new LibsnesCore(game, romData, Deterministic, xmlData, nextComm, GetCoreSettings <LibsnesCore>(), GetCoreSyncSettings <LibsnesCore>());
                                nextEmulator = snes;
                            }

                            RACore.OnLoad(RAConsoleID.SNES, rom.GameInfo.Name, rom.GameInfo.Hash);

                            break;

                        case "SMS":
                        case "SG":
                        case "GG":
                            nextEmulator = new SMS(nextComm, game, rom.RomData, GetCoreSettings <SMS>(), GetCoreSyncSettings <SMS>());
                            RACore.OnLoad(RAConsoleID.MasterSystem, rom.GameInfo.Name, rom.GameInfo.Hash);
                            break;

                        case "A26":
                            nextEmulator = new Atari2600(
                                nextComm,
                                game,
                                rom.FileData,
                                GetCoreSettings <Atari2600>(),
                                GetCoreSyncSettings <Atari2600>());
                            break;

                        case "PCE":
                        case "PCECD":
                        case "SGX":
                            nextEmulator = new PCEngine(nextComm, game, rom.RomData, GetCoreSettings <PCEngine>(), GetCoreSyncSettings <PCEngine>());
                            RACore.OnLoad(RAConsoleID.PCEngine, rom.GameInfo.Name, rom.GameInfo.Hash);
                            break;

                        case "GEN":
                            nextEmulator = new GPGX(nextComm, rom.RomData, null, "GEN", GetCoreSettings <GPGX>(), GetCoreSyncSettings <GPGX>());
                            RACore.OnLoad(RAConsoleID.MegaDrive, rom.GameInfo.Name, rom.GameInfo.Hash);
                            break;

                        case "TI83":
                            nextEmulator = new TI83(nextComm, game, rom.RomData, GetCoreSettings <TI83>());
                            break;

                        case "NES":
                            if (!Global.Config.NES_InQuickNES || forceAccurateCore)
                            {
                                nextEmulator = new NES(
                                    nextComm,
                                    game,
                                    rom.FileData,
                                    GetCoreSettings <NES>(),
                                    GetCoreSyncSettings <NES>());
                            }
                            else
                            {
                                nextEmulator = new QuickNES(nextComm, rom.FileData, GetCoreSettings <QuickNES>());
                            }

                            RACore.OnLoad(RAConsoleID.NES, rom.GameInfo.Name, rom.GameInfo.Hash);
                            break;

                        case "GB":
                        case "GBC":
                            if (!Global.Config.GB_AsSGB)
                            {
                                nextEmulator = new Gameboy(
                                    nextComm,
                                    game,
                                    rom.FileData,
                                    GetCoreSettings <Gameboy>(),
                                    GetCoreSyncSettings <Gameboy>(),
                                    Deterministic);
                            }
                            else
                            {
                                try
                                {
                                    game.System = "SNES";
                                    game.AddOption("SGB");
                                    var snes = new LibsnesCore(game, rom.FileData, Deterministic, null, nextComm, GetCoreSettings <LibsnesCore>(), GetCoreSyncSettings <LibsnesCore>());
                                    nextEmulator = snes;
                                }
                                catch
                                {
                                    // failed to load SGB bios or game does not support SGB mode.
                                    // To avoid catch-22, disable SGB mode
                                    Global.Config.GB_AsSGB = false;
                                    throw;
                                }
                            }

                            if (game.System == "GB")
                            {
                                RACore.OnLoad(RAConsoleID.Gameboy, rom.GameInfo.Name, rom.GameInfo.Hash);
                            }
                            else if (game.System == "GBC")
                            {
                                RACore.OnLoad(RAConsoleID.GameboyColor, rom.GameInfo.Name, rom.GameInfo.Hash);
                            }

                            break;

                        case "Coleco":
                            nextEmulator = new ColecoVision(nextComm, game, rom.RomData, GetCoreSyncSettings <ColecoVision>());
                            break;

                        case "INTV":
                            nextEmulator = new Intellivision(nextComm, game, rom.RomData);
                            break;

                        case "A78":
                            var gamedbpath = Path.Combine(PathManager.GetExeDirectoryAbsolute(), "gamedb", "EMU7800.csv");
                            nextEmulator = new Atari7800(nextComm, game, rom.RomData, gamedbpath);
                            break;

                        case "C64":
                            var c64 = new C64(nextComm, game, rom.RomData, rom.Extension);
                            nextEmulator = c64;
                            break;

                        case "GBA":
                            if (false)
                            {
                                //var gba = new GBA(nextComm);
                                //gba.Load(rom.RomData);
                                //nextEmulator = gba;
                            }
                            else
                            {
                                var gba = new VBANext(rom.RomData, nextComm);
                                nextEmulator = gba;

                                RACore.OnLoad(RAConsoleID.GameboyAdvance, rom.GameInfo.Name, rom.GameInfo.Hash);
                            }
                            break;

                        case "N64":
                            nextEmulator = new N64(nextComm, game, rom.RomData, GetCoreSettings <N64>(), GetCoreSyncSettings <N64>());
                            RACore.OnLoad(RAConsoleID.Nintendo64, rom.GameInfo.Name, rom.GameInfo.Hash);
                            break;

                        case "WSWAN":
                            nextEmulator = new WonderSwan(nextComm, rom.RomData, Deterministic,
                                                          GetCoreSettings <WonderSwan>(), GetCoreSyncSettings <WonderSwan>());
                            break;

                        case "DEBUG":
                            if (VersionInfo.DeveloperBuild)
                            {
                                nextEmulator = LibRetroEmulator.CreateDebug(nextComm, rom.RomData);
                            }

                            break;
                        }
                    }

                    if (nextEmulator == null)
                    {
                        DoLoadErrorCallback("No core could load the rom.", null);
                        return(false);
                    }
                }
                catch (Exception ex)
                {
                    string system = null;
                    if (game != null)
                    {
                        system = game.System;
                    }

                    // Specific hack here, as we get more cores of the same system, this isn't scalable
                    if (ex is UnsupportedMapperException)
                    {
                        return(LoadRom(path, nextComm, forceAccurateCore: true));
                    }
                    else if (ex is MissingFirmwareException)
                    {
                        DoLoadErrorCallback(ex.Message, system, LoadErrorType.MissingFirmware);
                    }
                    else if (ex is CGBNotSupportedException)
                    {
                        // Note: GB as SGB was set to false by this point, otherwise we would want to do it here
                        DoMessageCallback("Failed to load a GB rom in SGB mode.  Disabling SGB Mode.");
                        return(LoadRom(path, nextComm));
                    }
                    else
                    {
                        DoLoadErrorCallback("A core accepted the rom, but threw an exception while loading it:\n\n" + ex, system);
                    }

                    return(false);
                }

                Rom            = rom;
                LoadedEmulator = nextEmulator;
                Game           = game;
                return(true);
            }
        }