Update CrossModel converters and add tests

SabreTools.Serialization.Test/CrossModel/ArchiveDotOrgTests.cs

@@ -0,0 +1,173 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ArchiveDotOrgTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ArchiveDotOrg();
+
+            // Build the data
+            Models.ArchiveDotOrg.Files files = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(files);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ArchiveDotOrg.Files? newFiles = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newFiles);
+            Assert.NotNull(newFiles.File);
+            var newFile = Assert.Single(newFiles.File);
+            Validate(newFile);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ArchiveDotOrg.Files Build()
+        {
+            var file = new Models.ArchiveDotOrg.File
+            {
+                Name = "XXXXXX",
+                Source = "XXXXXX",
+                BitTorrentMagnetHash = "XXXXXX",
+                LastModifiedTime = "XXXXXX",
+                Size = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                FileCount = "XXXXXX",
+                Format = "XXXXXX",
+                Original = "XXXXXX",
+                Summation = "XXXXXX",
+                MatrixNumber = "XXXXXX",
+                CollectionCatalogNumber = "XXXXXX",
+                Publisher = "XXXXXX",
+                Comment = "XXXXXX",
+                ASRDetectedLang = "XXXXXX",
+                ASRDetectedLangConf = "XXXXXX",
+                ASRTranscribedLang = "XXXXXX",
+                WhisperASRModuleVersion = "XXXXXX",
+                WhisperModelHash = "XXXXXX",
+                WhisperModelName = "XXXXXX",
+                WhisperVersion = "XXXXXX",
+                ClothCoverDetectionModuleVersion = "XXXXXX",
+                hOCRCharToWordhOCRVersion = "XXXXXX",
+                hOCRCharToWordModuleVersion = "XXXXXX",
+                hOCRFtsTexthOCRVersion = "XXXXXX",
+                hOCRFtsTextModuleVersion = "XXXXXX",
+                hOCRPageIndexhOCRVersion = "XXXXXX",
+                hOCRPageIndexModuleVersion = "XXXXXX",
+                TesseractOCR = "XXXXXX",
+                TesseractOCRConverted = "XXXXXX",
+                TesseractOCRDetectedLang = "XXXXXX",
+                TesseractOCRDetectedLangConf = "XXXXXX",
+                TesseractOCRDetectedScript = "XXXXXX",
+                TesseractOCRDetectedScriptConf = "XXXXXX",
+                TesseractOCRModuleVersion = "XXXXXX",
+                TesseractOCRParameters = "XXXXXX",
+                PDFModuleVersion = "XXXXXX",
+                WordConfidenceInterval0To10 = "XXXXXX",
+                WordConfidenceInterval11To20 = "XXXXXX",
+                WordConfidenceInterval21To30 = "XXXXXX",
+                WordConfidenceInterval31To40 = "XXXXXX",
+                WordConfidenceInterval41To50 = "XXXXXX",
+                WordConfidenceInterval51To60 = "XXXXXX",
+                WordConfidenceInterval61To70 = "XXXXXX",
+                WordConfidenceInterval71To80 = "XXXXXX",
+                WordConfidenceInterval81To90 = "XXXXXX",
+                WordConfidenceInterval91To100 = "XXXXXX",
+                Album = "XXXXXX",
+                Artist = "XXXXXX",
+                Bitrate = "XXXXXX",
+                Creator = "XXXXXX",
+                Height = "XXXXXX",
+                Length = "XXXXXX",
+                PreviewImage = "XXXXXX",
+                Rotation = "XXXXXX",
+                Title = "XXXXXX",
+                Track = "XXXXXX",
+                Width = "XXXXXX",
+            };
+
+            return new Models.ArchiveDotOrg.Files
+            {
+                File = [file]
+            };
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.ArchiveDotOrg.File? file)
+        {
+            Assert.NotNull(file);
+            Assert.Equal("XXXXXX", file.Name);
+            Assert.Equal("XXXXXX", file.Source);
+            Assert.Equal("XXXXXX", file.BitTorrentMagnetHash);
+            Assert.Equal("XXXXXX", file.LastModifiedTime);
+            Assert.Equal("XXXXXX", file.Size);
+            Assert.Equal("XXXXXX", file.MD5);
+            Assert.Equal("XXXXXX", file.CRC32);
+            Assert.Equal("XXXXXX", file.SHA1);
+            Assert.Equal("XXXXXX", file.FileCount);
+            Assert.Equal("XXXXXX", file.Format);
+            Assert.Equal("XXXXXX", file.Original);
+            Assert.Equal("XXXXXX", file.Summation);
+            Assert.Equal("XXXXXX", file.MatrixNumber);
+            Assert.Equal("XXXXXX", file.CollectionCatalogNumber);
+            Assert.Equal("XXXXXX", file.Publisher);
+            Assert.Equal("XXXXXX", file.Comment);
+            Assert.Equal("XXXXXX", file.ASRDetectedLang);
+            Assert.Equal("XXXXXX", file.ASRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.ASRTranscribedLang);
+            Assert.Equal("XXXXXX", file.WhisperASRModuleVersion);
+            Assert.Equal("XXXXXX", file.WhisperModelHash);
+            Assert.Equal("XXXXXX", file.WhisperModelName);
+            Assert.Equal("XXXXXX", file.WhisperVersion);
+            Assert.Equal("XXXXXX", file.ClothCoverDetectionModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRCharToWordModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTexthOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRFtsTextModuleVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexhOCRVersion);
+            Assert.Equal("XXXXXX", file.hOCRPageIndexModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCR);
+            Assert.Equal("XXXXXX", file.TesseractOCRConverted);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLang);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedLangConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScript);
+            Assert.Equal("XXXXXX", file.TesseractOCRDetectedScriptConf);
+            Assert.Equal("XXXXXX", file.TesseractOCRModuleVersion);
+            Assert.Equal("XXXXXX", file.TesseractOCRParameters);
+            Assert.Equal("XXXXXX", file.PDFModuleVersion);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval0To10);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval11To20);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval21To30);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval31To40);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval41To50);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval51To60);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval61To70);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval71To80);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval81To90);
+            Assert.Equal("XXXXXX", file.WordConfidenceInterval91To100);
+            Assert.Equal("XXXXXX", file.Album);
+            Assert.Equal("XXXXXX", file.Artist);
+            Assert.Equal("XXXXXX", file.Bitrate);
+            Assert.Equal("XXXXXX", file.Creator);
+            Assert.Equal("XXXXXX", file.Height);
+            Assert.Equal("XXXXXX", file.Length);
+            Assert.Equal("XXXXXX", file.PreviewImage);
+            Assert.Equal("XXXXXX", file.Rotation);
+            Assert.Equal("XXXXXX", file.Title);
+            Assert.Equal("XXXXXX", file.Track);
+            Assert.Equal("XXXXXX", file.Width);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/AttractModeTests.cs

@@ -0,0 +1,111 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class AttractModeTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.AttractMode();
+
+            // Build the data
+            Models.AttractMode.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.AttractMode.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.AttractMode.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var row = new Models.AttractMode.Row
+            {
+                Name = "XXXXXX",
+                Title = "XXXXXX",
+                Emulator = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Year = "XXXXXX",
+                Manufacturer = "XXXXXX",
+                Category = "XXXXXX",
+                Players = "XXXXXX",
+                Rotation = "XXXXXX",
+                Control = "XXXXXX",
+                Status = "XXXXXX",
+                DisplayCount = "XXXXXX",
+                DisplayType = "XXXXXX",
+                AltRomname = "XXXXXX",
+                AltTitle = "XXXXXX",
+                Extra = "XXXXXX",
+                Buttons = "XXXXXX",
+                Favorite = "XXXXXX",
+                Tags = "XXXXXX",
+                PlayedCount = "XXXXXX",
+                PlayedTime = "XXXXXX",
+                FileIsAvailable = "XXXXXX",
+            };
+
+            return new Models.AttractMode.MetadataFile
+            {
+                Header = header,
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header)
+        {
+            Assert.NotNull(header);
+            string column = Assert.Single(header);
+            Assert.Equal("header", column);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.AttractMode.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.Title);
+            Assert.Equal("XXXXXX", row.Emulator);
+            Assert.Equal("XXXXXX", row.CloneOf);
+            Assert.Equal("XXXXXX", row.Year);
+            Assert.Equal("XXXXXX", row.Manufacturer);
+            Assert.Equal("XXXXXX", row.Category);
+            Assert.Equal("XXXXXX", row.Players);
+            Assert.Equal("XXXXXX", row.Rotation);
+            Assert.Equal("XXXXXX", row.Control);
+            Assert.Equal("XXXXXX", row.Status);
+            Assert.Equal("XXXXXX", row.DisplayCount);
+            Assert.Equal("XXXXXX", row.DisplayType);
+            Assert.Equal("XXXXXX", row.AltRomname);
+            Assert.Equal("XXXXXX", row.AltTitle);
+            Assert.Equal("XXXXXX", row.Extra);
+            Assert.Equal("XXXXXX", row.Buttons);
+            Assert.Equal("XXXXXX", row.Favorite);
+            Assert.Equal("XXXXXX", row.Tags);
+            Assert.Equal("XXXXXX", row.PlayedCount);
+            Assert.Equal("XXXXXX", row.PlayedTime);
+            Assert.Equal("XXXXXX", row.FileIsAvailable);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ClrMameProTests.cs

@@ -0,0 +1,492 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ClrMameProTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = serializer.Deserialize(metadata, game: true);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.ClrMamePro();
+
+            // Build the data
+            Models.ClrMamePro.MetadataFile mf = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.ClrMamePro.MetadataFile? newMf = serializer.Deserialize(metadata, game: false);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.ClrMamePro);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.ClrMamePro.MetadataFile Build(bool game)
+        {
+            var cmp = new Models.ClrMamePro.ClrMamePro
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Header = "XXXXXX",
+                Type = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceZipping = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var release = new Models.ClrMamePro.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.ClrMamePro.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.ClrMamePro.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+                Date = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Region = "XXXXXX",
+                Offs = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.ClrMamePro.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Flags = "XXXXXX",
+            };
+
+            var sample = new Models.ClrMamePro.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.ClrMamePro.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var media = new Models.ClrMamePro.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var chip = new Models.ClrMamePro.Chip
+            {
+                Type = "XXXXXX",
+                Name = "XXXXXX",
+                Flags = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var video = new Models.ClrMamePro.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Freq = "XXXXXX",
+            };
+
+            var sound = new Models.ClrMamePro.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var input = new Models.ClrMamePro.Input
+            {
+                Players = "XXXXXX",
+                Control = "XXXXXX",
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Tilt = "XXXXXX",
+                Service = "XXXXXX",
+            };
+
+            var dipswitch = new Models.ClrMamePro.DipSwitch
+            {
+                Name = "XXXXXX",
+                Entry = ["XXXXXX"],
+                Default = "XXXXXX",
+            };
+
+            var driver = new Models.ClrMamePro.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Blit = "XXXXXX",
+            };
+
+            // TODO: This omits Set, should that have a separate case?
+            Models.ClrMamePro.GameBase gameBase = game
+                ? new Models.ClrMamePro.Game()
+                : new Models.ClrMamePro.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Category = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Media = [media];
+            gameBase.Chip = [chip];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Driver = driver;
+
+            return new Models.ClrMamePro.MetadataFile
+            {
+                ClrMamePro = cmp,
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.RootDir);
+            Assert.Equal("XXXXXX", cmp.Category);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Url);
+            Assert.Equal("XXXXXX", cmp.Comment);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.Type);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceZipping);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Category);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Validate(gb.Driver);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Flags);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offs);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Flags);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Flags);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.X);
+            Assert.Equal("XXXXXX", video.Y);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Freq);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Players);
+            Assert.Equal("XXXXXX", input.Control);
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Service);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+
+            Assert.NotNull(dipswitch.Entry);
+            string entry = Assert.Single(dipswitch.Entry);
+            Assert.Equal("XXXXXX", entry);
+
+            Assert.Equal("XXXXXX", dipswitch.Default);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.ClrMamePro.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Blit);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/DosCenterTests.cs

@@ -0,0 +1,108 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class DosCenterTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.DosCenter();
+
+            // Build the data
+            Models.DosCenter.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.DosCenter.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.DosCenter);
+            Assert.NotNull(newMf.Game);
+            var newGame = Assert.Single(newMf.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.DosCenter.MetadataFile Build()
+        {
+            var dc = new Models.DosCenter.DosCenter
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Homepage = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var file = new Models.DosCenter.File
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                Date = "XXXXXX",
+            };
+
+            var game = new Models.DosCenter.Game
+            {
+                Name = "XXXXXX",
+                File = [file],
+            };
+
+            return new Models.DosCenter.MetadataFile
+            {
+                DosCenter = dc,
+                Game = [game],
+            };
+        }
+
+        /// <summary>
+        /// Validate a DosCenter
+        /// </summary>
+        private static void Validate(Models.DosCenter.DosCenter? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Name);
+            Assert.Equal("XXXXXX", cmp.Description);
+            Assert.Equal("XXXXXX", cmp.Version);
+            Assert.Equal("XXXXXX", cmp.Date);
+            Assert.Equal("XXXXXX", cmp.Author);
+            Assert.Equal("XXXXXX", cmp.Homepage);
+            Assert.Equal("XXXXXX", cmp.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.DosCenter.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.Name);
+
+            Assert.NotNull(game.File);
+            var file = Assert.Single(game.File);
+            Validate(file);
+        }
+
+        /// <summary>
+        /// Validate a File
+        /// </summary>
+        private static void Validate(Models.DosCenter.File? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.Date);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/EverdriveSMDBTests.cs

@@ -0,0 +1,65 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class EverdriveSMDBTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.EverdriveSMDB();
+
+            // Build the data
+            Models.EverdriveSMDB.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.EverdriveSMDB.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Row);
+            var newRow = Assert.Single(newMf.Row);
+            Validate(newRow);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.EverdriveSMDB.MetadataFile Build()
+        {
+            var row = new Models.EverdriveSMDB.Row
+            {
+                SHA256 = "XXXXXX",
+                Name = "XXXXXX",
+                SHA1 = "XXXXXX",
+                MD5 = "XXXXXX",
+                CRC32 = "XXXXXX",
+                Size = "XXXXXX",
+            };
+
+            return new Models.EverdriveSMDB.MetadataFile
+            {
+                Row = [row],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void Validate(Models.EverdriveSMDB.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.CRC32);
+            Assert.Equal("XXXXXX", row.Size);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/HashfileTests.cs

@@ -0,0 +1,326 @@
+using System;
+using SabreTools.Hashing;
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class HashfileTests
+    {
+        [Fact]
+        public void RoundTripSFVTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.CRC32);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.CRC32);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SFV);
+            var newSfv = Assert.Single(newHf.SFV);
+            Validate(newSfv);
+        }
+
+        [Fact]
+        public void RoundTripMD2Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD2);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD2);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD2);
+            var newMd2 = Assert.Single(newHf.MD2);
+            Validate(newMd2);
+        }
+
+        [Fact]
+        public void RoundTripMD4Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD4);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD4);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD4);
+            var newMd4 = Assert.Single(newHf.MD4);
+            Validate(newMd4);
+        }
+
+        [Fact]
+        public void RoundTripMD5Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.MD5);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.MD5);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.MD5);
+            var newMd5 = Assert.Single(newHf.MD5);
+            Validate(newMd5);
+        }
+
+        [Fact]
+        public void RoundTripSHA1Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA1);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA1);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA1);
+            var newSha1 = Assert.Single(newHf.SHA1);
+            Validate(newSha1);
+        }
+
+        [Fact]
+        public void RoundTripSHA256Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA256);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA256);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA256);
+            var newSha256 = Assert.Single(newHf.SHA256);
+            Validate(newSha256);
+        }
+
+        [Fact]
+        public void RoundTripSHA384Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA384);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA384);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA384);
+            var newSha384 = Assert.Single(newHf.SHA384);
+            Validate(newSha384);
+        }
+
+        [Fact]
+        public void RoundTripSHA512Test()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SHA512);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SHA512);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SHA512);
+            var newSha512 = Assert.Single(newHf.SHA512);
+            Validate(newSha512);
+        }
+
+        [Fact]
+        public void RoundTripSpamSumTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Hashfile();
+
+            // Build the data
+            Models.Hashfile.Hashfile hf = Build(HashType.SpamSum);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(hf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Hashfile.Hashfile? newHf = serializer.Deserialize(metadata, HashType.SpamSum);
+
+            // Validate the data
+            Assert.NotNull(newHf);
+            Assert.NotNull(newHf.SpamSum);
+            var newSpamsum = Assert.Single(newHf.SpamSum);
+            Validate(newSpamsum);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Hashfile.Hashfile Build(HashType hashType)
+        {
+            return hashType switch
+            {
+                HashType.CRC32 => new Models.Hashfile.Hashfile { SFV = [new Models.Hashfile.SFV { File = "XXXXXX", Hash = "XXXXXX" }] },
+                HashType.MD2 => new Models.Hashfile.Hashfile { MD2 = [new Models.Hashfile.MD2 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD4 => new Models.Hashfile.Hashfile { MD4 = [new Models.Hashfile.MD4 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.MD5 => new Models.Hashfile.Hashfile { MD5 = [new Models.Hashfile.MD5 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA1 => new Models.Hashfile.Hashfile { SHA1 = [new Models.Hashfile.SHA1 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA256 => new Models.Hashfile.Hashfile { SHA256 = [new Models.Hashfile.SHA256 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA384 => new Models.Hashfile.Hashfile { SHA384 = [new Models.Hashfile.SHA384 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SHA512 => new Models.Hashfile.Hashfile { SHA512 = [new Models.Hashfile.SHA512 { Hash = "XXXXXX", File = "XXXXXX" }] },
+                HashType.SpamSum => new Models.Hashfile.Hashfile { SpamSum = [new Models.Hashfile.SpamSum { Hash = "XXXXXX", File = "XXXXXX" }] },
+                _ => throw new ArgumentOutOfRangeException(),
+            };
+        }
+
+        /// <summary>
+        /// Validate a SFV
+        /// </summary>
+        private static void Validate(Models.Hashfile.SFV? sfv)
+        {
+            Assert.NotNull(sfv);
+            Assert.Equal("XXXXXX", sfv.File);
+            Assert.Equal("XXXXXX", sfv.Hash);
+        }
+
+        /// <summary>
+        /// Validate a MD2
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD2? md2)
+        {
+            Assert.NotNull(md2);
+            Assert.Equal("XXXXXX", md2.Hash);
+            Assert.Equal("XXXXXX", md2.File);
+        }
+
+        /// <summary>
+        /// Validate a MD4
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD4? md4)
+        {
+            Assert.NotNull(md4);
+            Assert.Equal("XXXXXX", md4.Hash);
+            Assert.Equal("XXXXXX", md4.File);
+        }
+
+        /// <summary>
+        /// Validate a MD5
+        /// </summary>
+        private static void Validate(Models.Hashfile.MD5? md5)
+        {
+            Assert.NotNull(md5);
+            Assert.Equal("XXXXXX", md5.Hash);
+            Assert.Equal("XXXXXX", md5.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA1
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA1? sha1)
+        {
+            Assert.NotNull(sha1);
+            Assert.Equal("XXXXXX", sha1.Hash);
+            Assert.Equal("XXXXXX", sha1.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA256
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA256? sha256)
+        {
+            Assert.NotNull(sha256);
+            Assert.Equal("XXXXXX", sha256.Hash);
+            Assert.Equal("XXXXXX", sha256.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA384
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA384? sha384)
+        {
+            Assert.NotNull(sha384);
+            Assert.Equal("XXXXXX", sha384.Hash);
+            Assert.Equal("XXXXXX", sha384.File);
+        }
+
+        /// <summary>
+        /// Validate a SHA512
+        /// </summary>
+        private static void Validate(Models.Hashfile.SHA512? sha512)
+        {
+            Assert.NotNull(sha512);
+            Assert.Equal("XXXXXX", sha512.Hash);
+            Assert.Equal("XXXXXX", sha512.File);
+        }
+
+        /// <summary>
+        /// Validate a SpamSum
+        /// </summary>
+        private static void Validate(Models.Hashfile.SpamSum? spamsum)
+        {
+            Assert.NotNull(spamsum);
+            Assert.Equal("XXXXXX", spamsum.Hash);
+            Assert.Equal("XXXXXX", spamsum.File);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ListromTests.cs

@@ -0,0 +1,127 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ListromTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listrom();
+
+            // Build the data
+            Models.Listrom.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listrom.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Assert.NotNull(newMf.Set);
+            Assert.Equal(2, newMf.Set.Length);
+
+            ValidateDevice(newMf.Set[0]);
+            ValidateDriver(newMf.Set[1]);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listrom.MetadataFile Build()
+        {
+            var rom = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Bad = true,
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                NoGoodDumpKnown = false,
+            };
+
+            var disk = new Models.Listrom.Row
+            {
+                Name = "XXXXXX",
+                Bad = false,
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                NoGoodDumpKnown = true,
+            };
+
+            var device = new Models.Listrom.Set()
+            {
+                Device = "XXXXXX",
+                Row = [rom],
+            };
+
+            var driver = new Models.Listrom.Set()
+            {
+                Driver = "XXXXXX",
+                Row = [disk],
+            };
+
+            return new Models.Listrom.MetadataFile
+            {
+                Set = [device, driver],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDevice(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Device);
+
+            Assert.NotNull(set.Row);
+            var row = Assert.Single(set.Row);
+            ValidateRom(row);
+        }
+
+        /// <summary>
+        /// Validate a Set
+        /// </summary>
+        private static void ValidateDriver(Models.Listrom.Set? set)
+        {
+            Assert.NotNull(set);
+            Assert.Equal("XXXXXX", set.Driver);
+
+            Assert.NotNull(set.Row);
+            var row = Assert.Single(set.Row);
+            ValidateDisk(row);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateRom(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.Equal("XXXXXX", row.Size);
+            Assert.True(row.Bad);
+            Assert.Equal("XXXXXX", row.CRC);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.False(row.NoGoodDumpKnown);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateDisk(Models.Listrom.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.Name);
+            Assert.False(row.Bad);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.True(row.NoGoodDumpKnown);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/ListxmlTests.cs

@@ -0,0 +1,878 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class ListxmlTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mame);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Listxml();
+
+            // Build the data
+            Models.Listxml.Mame mame = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mame);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.Mame? newMame = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMame);
+            Assert.Equal("XXXXXX", newMame.Build);
+            Assert.Equal("XXXXXX", newMame.Debug);
+            Assert.Equal("XXXXXX", newMame.MameConfig);
+
+            Assert.NotNull(newMame.Game);
+            var newGame = Assert.Single(newMame.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.Mame Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.Mame
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                MameConfig = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/LogiqxTests.cs

@@ -0,0 +1,545 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class LogiqxTests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = serializer.Deserialize(metadata, game: true);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            var newGame = Assert.Single(newDf.Game);
+            Validate(newGame);
+
+            // TODO: Unsupported
+            Assert.Null(newDf.Dir);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.Logiqx();
+
+            // Build the data
+            Models.Logiqx.Datafile df = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(df);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Logiqx.Datafile? newDf = serializer.Deserialize(metadata, game: false);
+
+            // Validate the data
+            Assert.NotNull(newDf);
+            Assert.Equal("XXXXXX", newDf.Build);
+            Assert.Equal("XXXXXX", newDf.Debug);
+            Assert.Equal("XXXXXX", newDf.SchemaLocation);
+            Validate(newDf.Header);
+
+            Assert.NotNull(newDf.Game);
+            var newGame = Assert.Single(newDf.Game);
+            Validate(newGame);
+
+            // TODO: Unsupported
+            Assert.Null(newDf.Dir);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Logiqx.Datafile Build(bool game)
+        {
+            var clrmamepro = new Models.Logiqx.ClrMamePro
+            {
+                Header = "XXXXXX",
+                ForceMerging = "XXXXXX",
+                ForceNodump = "XXXXXX",
+                ForcePacking = "XXXXXX",
+            };
+
+            var romcenter = new Models.Logiqx.RomCenter
+            {
+                Plugin = "XXXXXX",
+                RomMode = "XXXXXX",
+                BiosMode = "XXXXXX",
+                SampleMode = "XXXXXX",
+                LockRomMode = "XXXXXX",
+                LockBiosMode = "XXXXXX",
+                LockSampleMode = "XXXXXX",
+            };
+
+            var header = new Models.Logiqx.Header
+            {
+                Id = "XXXXXX",
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                RootDir = "XXXXXX",
+                Category = "XXXXXX",
+                Version = "XXXXXX",
+                Date = "XXXXXX",
+                Author = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Comment = "XXXXXX",
+                Type = "XXXXXX",
+                ClrMamePro = clrmamepro,
+                RomCenter = romcenter,
+            };
+
+            var trurip = new Models.Logiqx.Trurip
+            {
+                TitleID = "XXXXXX",
+                Publisher = "XXXXXX",
+                Developer = "XXXXXX",
+                Year = "XXXXXX",
+                Genre = "XXXXXX",
+                Subgenre = "XXXXXX",
+                Ratings = "XXXXXX",
+                Score = "XXXXXX",
+                Players = "XXXXXX",
+                Enabled = "XXXXXX",
+                CRC = "XXXXXX",
+                Source = "XXXXXX",
+                CloneOf = "XXXXXX",
+                RelatedTo = "XXXXXX",
+            };
+
+            var release = new Models.Logiqx.Release
+            {
+                Name = "XXXXXX",
+                Region = "XXXXXX",
+                Language = "XXXXXX",
+                Date = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var biosset = new Models.Logiqx.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Logiqx.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                xxHash364 = "XXXXXX",
+                xxHash3128 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Serial = "XXXXXX",
+                Header = "XXXXXX",
+                Date = "XXXXXX",
+                Inverted = "XXXXXX",
+                MIA = "XXXXXX",
+            };
+
+            var disk = new Models.Logiqx.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Status = "XXXXXX",
+                Region = "XXXXXX",
+            };
+
+            var media = new Models.Logiqx.Media
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var deviceRef = new Models.Logiqx.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Logiqx.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var archive = new Models.Logiqx.Archive
+            {
+                Name = "XXXXXX",
+            };
+
+            var driver = new Models.Logiqx.Driver
+            {
+                Status = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var softwarelist = new Models.Logiqx.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            Models.Logiqx.GameBase gameBase = game
+                ? new Models.Logiqx.Game()
+                : new Models.Logiqx.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Board = "XXXXXX";
+            gameBase.RebuildTo = "XXXXXX";
+            gameBase.Id = "XXXXXX";
+            gameBase.CloneOfId = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.Comment = ["XXXXXX"];
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.Publisher = "XXXXXX";
+            gameBase.Category = ["XXXXXX"];
+            gameBase.Trurip = trurip;
+            gameBase.Release = [release];
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.Media = [media];
+            gameBase.DeviceRef = [deviceRef];
+            gameBase.Sample = [sample];
+            gameBase.Archive = [archive];
+            gameBase.Driver = driver;
+            gameBase.SoftwareList = [softwarelist];
+
+            return new Models.Logiqx.Datafile
+            {
+                Build = "XXXXXX",
+                Debug = "XXXXXX",
+                SchemaLocation = "XXXXXX",
+                Header = header,
+                Game = [gameBase],
+                // Dir = [dir], // TODO: Unsupported
+            };
+        }
+
+        /// <summary>
+        /// Validate a Header
+        /// </summary>
+        private static void Validate(Models.Logiqx.Header? header)
+        {
+            Assert.NotNull(header);
+            Assert.Equal("XXXXXX", header.Id);
+            Assert.Equal("XXXXXX", header.Name);
+            Assert.Equal("XXXXXX", header.Description);
+            Assert.Equal("XXXXXX", header.RootDir);
+            Assert.Equal("XXXXXX", header.Category);
+            Assert.Equal("XXXXXX", header.Version);
+            Assert.Equal("XXXXXX", header.Date);
+            Assert.Equal("XXXXXX", header.Author);
+            Assert.Equal("XXXXXX", header.Email);
+            Assert.Equal("XXXXXX", header.Homepage);
+            Assert.Equal("XXXXXX", header.Url);
+            Assert.Equal("XXXXXX", header.Comment);
+            Assert.Equal("XXXXXX", header.Type);
+            Validate(header.ClrMamePro);
+            Validate(header.RomCenter);
+        }
+
+        /// <summary>
+        /// Validate a ClrMamePro
+        /// </summary>
+        private static void Validate(Models.Logiqx.ClrMamePro? cmp)
+        {
+            Assert.NotNull(cmp);
+            Assert.Equal("XXXXXX", cmp.Header);
+            Assert.Equal("XXXXXX", cmp.ForceMerging);
+            Assert.Equal("XXXXXX", cmp.ForceNodump);
+            Assert.Equal("XXXXXX", cmp.ForcePacking);
+        }
+
+        /// <summary>
+        /// Validate a RomCenter
+        /// </summary>
+        private static void Validate(Models.Logiqx.RomCenter? rc)
+        {
+            Assert.NotNull(rc);
+            Assert.Equal("XXXXXX", rc.Plugin);
+            Assert.Equal("XXXXXX", rc.RomMode);
+            Assert.Equal("XXXXXX", rc.BiosMode);
+            Assert.Equal("XXXXXX", rc.SampleMode);
+            Assert.Equal("XXXXXX", rc.LockRomMode);
+            Assert.Equal("XXXXXX", rc.LockBiosMode);
+            Assert.Equal("XXXXXX", rc.LockSampleMode);
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Logiqx.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Board);
+            Assert.Equal("XXXXXX", gb.RebuildTo);
+            Assert.Equal("XXXXXX", gb.Id);
+            Assert.Equal("XXXXXX", gb.CloneOfId);
+            Assert.Equal("XXXXXX", gb.Runnable);
+
+            Assert.NotNull(gb.Comment);
+            string comment = Assert.Single(gb.Comment);
+            Assert.Equal("XXXXXX", comment);
+
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.Publisher);
+
+            Assert.NotNull(gb.Category);
+            string category = Assert.Single(gb.Category);
+            Assert.Equal("XXXXXX", category);
+
+            Validate(gb.Trurip);
+
+            Assert.NotNull(gb.Release);
+            var release = Assert.Single(gb.Release);
+            Validate(release);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.Media);
+            var media = Assert.Single(gb.Media);
+            Validate(media);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Archive);
+            var archive = Assert.Single(gb.Archive);
+            Validate(archive);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+        }
+
+        /// <summary>
+        /// Validate a Trurip
+        /// </summary>
+        private static void Validate(Models.Logiqx.Trurip? trurip)
+        {
+            Assert.NotNull(trurip);
+            Assert.Equal("XXXXXX", trurip.TitleID);
+            Assert.Equal("XXXXXX", trurip.Publisher);
+            Assert.Equal("XXXXXX", trurip.Developer);
+            Assert.Equal("XXXXXX", trurip.Year);
+            Assert.Equal("XXXXXX", trurip.Genre);
+            Assert.Equal("XXXXXX", trurip.Subgenre);
+            Assert.Equal("XXXXXX", trurip.Ratings);
+            Assert.Equal("XXXXXX", trurip.Score);
+            Assert.Equal("XXXXXX", trurip.Players);
+            Assert.Equal("XXXXXX", trurip.Enabled);
+            Assert.Equal("XXXXXX", trurip.CRC);
+            Assert.Equal("XXXXXX", trurip.Source);
+            Assert.Equal("XXXXXX", trurip.CloneOf);
+            Assert.Equal("XXXXXX", trurip.RelatedTo);
+        }
+
+        /// <summary>
+        /// Validate a Release
+        /// </summary>
+        private static void Validate(Models.Logiqx.Release? release)
+        {
+            Assert.NotNull(release);
+            Assert.Equal("XXXXXX", release.Name);
+            Assert.Equal("XXXXXX", release.Region);
+            Assert.Equal("XXXXXX", release.Language);
+            Assert.Equal("XXXXXX", release.Date);
+            Assert.Equal("XXXXXX", release.Default);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Logiqx.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Logiqx.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.MD5);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.SHA256);
+            Assert.Equal("XXXXXX", rom.SHA384);
+            Assert.Equal("XXXXXX", rom.SHA512);
+            Assert.Equal("XXXXXX", rom.SpamSum);
+            Assert.Equal("XXXXXX", rom.xxHash364);
+            Assert.Equal("XXXXXX", rom.xxHash3128);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Serial);
+            Assert.Equal("XXXXXX", rom.Header);
+            Assert.Equal("XXXXXX", rom.Date);
+            Assert.Equal("XXXXXX", rom.Inverted);
+            Assert.Equal("XXXXXX", rom.MIA);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Logiqx.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Region);
+        }
+
+        /// <summary>
+        /// Validate a Media
+        /// </summary>
+        private static void Validate(Models.Logiqx.Media? media)
+        {
+            Assert.NotNull(media);
+            Assert.Equal("XXXXXX", media.Name);
+            Assert.Equal("XXXXXX", media.MD5);
+            Assert.Equal("XXXXXX", media.SHA1);
+            Assert.Equal("XXXXXX", media.SHA256);
+            Assert.Equal("XXXXXX", media.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Logiqx.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Logiqx.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Archive
+        /// </summary>
+        private static void Validate(Models.Logiqx.Archive? archive)
+        {
+            Assert.NotNull(archive);
+            Assert.Equal("XXXXXX", archive.Name);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Logiqx.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Logiqx.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/M1Tests.cs

@@ -0,0 +1,872 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class M1Tests
+    {
+        [Fact]
+        public void RoundTripGameTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: true);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.M1? newM1 = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        [Fact]
+        public void RoundTripMachineTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.M1();
+
+            // Build the data
+            Models.Listxml.M1 m1 = Build(game: false);
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(m1);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.Listxml.M1? newM1 = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newM1);
+            Assert.Equal("XXXXXX", newM1.Version);
+
+            Assert.NotNull(newM1.Game);
+            var newGame = Assert.Single(newM1.Game);
+            Validate(newGame);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.Listxml.M1 Build(bool game)
+        {
+            var biosset = new Models.Listxml.BiosSet
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var rom = new Models.Listxml.Rom
+            {
+                Name = "XXXXXX",
+                Bios = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Offset = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+                Dispose = "XXXXXX",
+                SoundOnly = "XXXXXX",
+            };
+
+            var disk = new Models.Listxml.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Merge = "XXXXXX",
+                Region = "XXXXXX",
+                Index = "XXXXXX",
+                Writable = "XXXXXX",
+                Status = "XXXXXX",
+                Optional = "XXXXXX",
+            };
+
+            var deviceref = new Models.Listxml.DeviceRef
+            {
+                Name = "XXXXXX",
+            };
+
+            var sample = new Models.Listxml.Sample
+            {
+                Name = "XXXXXX",
+            };
+
+            var chip = new Models.Listxml.Chip
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                SoundOnly = "XXXXXX",
+                Clock = "XXXXXX",
+            };
+
+            var display = new Models.Listxml.Display
+            {
+                Tag = "XXXXXX",
+                Type = "XXXXXX",
+                Rotate = "XXXXXX",
+                FlipX = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Refresh = "XXXXXX",
+                PixClock = "XXXXXX",
+                HTotal = "XXXXXX",
+                HBEnd = "XXXXXX",
+                HBStart = "XXXXXX",
+                VTotal = "XXXXXX",
+                VBEnd = "XXXXXX",
+                VBStart = "XXXXXX",
+            };
+
+            var video = new Models.Listxml.Video
+            {
+                Screen = "XXXXXX",
+                Orientation = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                AspectX = "XXXXXX",
+                AspectY = "XXXXXX",
+                Refresh = "XXXXXX",
+            };
+
+            var sound = new Models.Listxml.Sound
+            {
+                Channels = "XXXXXX",
+            };
+
+            var control = new Models.Listxml.Control
+            {
+                Type = "XXXXXX",
+                Player = "XXXXXX",
+                Buttons = "XXXXXX",
+                ReqButtons = "XXXXXX",
+                Minimum = "XXXXXX",
+                Maximum = "XXXXXX",
+                Sensitivity = "XXXXXX",
+                KeyDelta = "XXXXXX",
+                Reverse = "XXXXXX",
+                Ways = "XXXXXX",
+                Ways2 = "XXXXXX",
+                Ways3 = "XXXXXX",
+            };
+
+            var input = new Models.Listxml.Input
+            {
+                Service = "XXXXXX",
+                Tilt = "XXXXXX",
+                Players = "XXXXXX",
+                //ControlAttr = "XXXXXX", // Mututally exclusive with input.Control
+                Buttons = "XXXXXX",
+                Coins = "XXXXXX",
+                Control = [control],
+            };
+
+            var condition = new Models.Listxml.Condition
+            {
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Relation = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var diplocation = new Models.Listxml.DipLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var dipvalue = new Models.Listxml.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var dipswitch = new Models.Listxml.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                DipLocation = [diplocation],
+                DipValue = [dipvalue],
+            };
+
+            var conflocation = new Models.Listxml.ConfLocation
+            {
+                Name = "XXXXXX",
+                Number = "XXXXXX",
+                Inverted = "XXXXXX",
+            };
+
+            var confsetting = new Models.Listxml.ConfSetting
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var configuration = new Models.Listxml.Configuration
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                Condition = condition,
+                ConfLocation = [conflocation],
+                ConfSetting = [confsetting],
+            };
+
+            var analog = new Models.Listxml.Analog
+            {
+                Mask = "XXXXXX",
+            };
+
+            var port = new Models.Listxml.Port
+            {
+                Tag = "XXXXXX",
+                Analog = [analog],
+            };
+
+            var adjuster = new Models.Listxml.Adjuster
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Condition = condition,
+            };
+
+            var driver = new Models.Listxml.Driver
+            {
+                Status = "XXXXXX",
+                Color = "XXXXXX",
+                Sound = "XXXXXX",
+                PaletteSize = "XXXXXX",
+                Emulation = "XXXXXX",
+                Cocktail = "XXXXXX",
+                SaveState = "XXXXXX",
+                RequiresArtwork = "XXXXXX",
+                Unofficial = "XXXXXX",
+                NoSoundHardware = "XXXXXX",
+                Incomplete = "XXXXXX",
+            };
+
+            var feature = new Models.Listxml.Feature
+            {
+                Type = "XXXXXX",
+                Status = "XXXXXX",
+                Overall = "XXXXXX",
+            };
+
+            var instance = new Models.Listxml.Instance
+            {
+                Name = "XXXXXX",
+                BriefName = "XXXXXX",
+            };
+
+            var extension = new Models.Listxml.Extension
+            {
+                Name = "XXXXXX",
+            };
+
+            var device = new Models.Listxml.Device
+            {
+                Type = "XXXXXX",
+                Tag = "XXXXXX",
+                FixedImage = "XXXXXX",
+                Mandatory = "XXXXXX",
+                Interface = "XXXXXX",
+                Instance = instance,
+                Extension = [extension],
+            };
+
+            var slotOption = new Models.Listxml.SlotOption
+            {
+                Name = "XXXXXX",
+                DevName = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var slot = new Models.Listxml.Slot
+            {
+                Name = "XXXXXX",
+                SlotOption = [slotOption],
+            };
+
+            var softwarelist = new Models.Listxml.SoftwareList
+            {
+                Tag = "XXXXXX",
+                Name = "XXXXXX",
+                Status = "XXXXXX",
+                Filter = "XXXXXX",
+            };
+
+            var ramoption = new Models.Listxml.RamOption
+            {
+                Name = "XXXXXX",
+                Default = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            Models.Listxml.GameBase gameBase = game
+                ? new Models.Listxml.Game()
+                : new Models.Listxml.Machine();
+            gameBase.Name = "XXXXXX";
+            gameBase.SourceFile = "XXXXXX";
+            gameBase.IsBios = "XXXXXX";
+            gameBase.IsDevice = "XXXXXX";
+            gameBase.IsMechanical = "XXXXXX";
+            gameBase.Runnable = "XXXXXX";
+            gameBase.CloneOf = "XXXXXX";
+            gameBase.RomOf = "XXXXXX";
+            gameBase.SampleOf = "XXXXXX";
+            gameBase.Description = "XXXXXX";
+            gameBase.Year = "XXXXXX";
+            gameBase.Manufacturer = "XXXXXX";
+            gameBase.History = "XXXXXX";
+            gameBase.BiosSet = [biosset];
+            gameBase.Rom = [rom];
+            gameBase.Disk = [disk];
+            gameBase.DeviceRef = [deviceref];
+            gameBase.Sample = [sample];
+            gameBase.Chip = [chip];
+            gameBase.Display = [display];
+            gameBase.Video = [video];
+            gameBase.Sound = sound;
+            gameBase.Input = input;
+            gameBase.DipSwitch = [dipswitch];
+            gameBase.Configuration = [configuration];
+            gameBase.Port = [port];
+            gameBase.Adjuster = [adjuster];
+            gameBase.Driver = driver;
+            gameBase.Feature = [feature];
+            gameBase.Device = [device];
+            gameBase.Slot = [slot];
+            gameBase.SoftwareList = [softwarelist];
+            gameBase.RamOption = [ramoption];
+
+            return new Models.Listxml.M1
+            {
+                Version = "XXXXXX",
+                Game = [gameBase],
+            };
+        }
+
+        /// <summary>
+        /// Validate a GameBase
+        /// </summary>
+        private static void Validate(Models.Listxml.GameBase? gb)
+        {
+            Assert.NotNull(gb);
+            Assert.Equal("XXXXXX", gb.Name);
+            Assert.Equal("XXXXXX", gb.SourceFile);
+            Assert.Equal("XXXXXX", gb.IsBios);
+            Assert.Equal("XXXXXX", gb.IsDevice);
+            Assert.Equal("XXXXXX", gb.IsMechanical);
+            Assert.Equal("XXXXXX", gb.Runnable);
+            Assert.Equal("XXXXXX", gb.CloneOf);
+            Assert.Equal("XXXXXX", gb.RomOf);
+            Assert.Equal("XXXXXX", gb.SampleOf);
+            Assert.Equal("XXXXXX", gb.Description);
+            Assert.Equal("XXXXXX", gb.Year);
+            Assert.Equal("XXXXXX", gb.Manufacturer);
+            Assert.Equal("XXXXXX", gb.History);
+
+            Assert.NotNull(gb.BiosSet);
+            var biosset = Assert.Single(gb.BiosSet);
+            Validate(biosset);
+
+            Assert.NotNull(gb.Rom);
+            var rom = Assert.Single(gb.Rom);
+            Validate(rom);
+
+            Assert.NotNull(gb.Disk);
+            var disk = Assert.Single(gb.Disk);
+            Validate(disk);
+
+            Assert.NotNull(gb.DeviceRef);
+            var deviceref = Assert.Single(gb.DeviceRef);
+            Validate(deviceref);
+
+            Assert.NotNull(gb.Sample);
+            var sample = Assert.Single(gb.Sample);
+            Validate(sample);
+
+            Assert.NotNull(gb.Chip);
+            var chip = Assert.Single(gb.Chip);
+            Validate(chip);
+
+            Assert.NotNull(gb.Display);
+            var display = Assert.Single(gb.Display);
+            Validate(display);
+
+            Assert.NotNull(gb.Video);
+            var video = Assert.Single(gb.Video);
+            Validate(video);
+
+            Validate(gb.Sound);
+            Validate(gb.Input);
+
+            Assert.NotNull(gb.DipSwitch);
+            var dipswitch = Assert.Single(gb.DipSwitch);
+            Validate(dipswitch);
+
+            Assert.NotNull(gb.Configuration);
+            var configuration = Assert.Single(gb.Configuration);
+            Validate(configuration);
+
+            Assert.NotNull(gb.Port);
+            var port = Assert.Single(gb.Port);
+            Validate(port);
+
+            Assert.NotNull(gb.Adjuster);
+            var adjuster = Assert.Single(gb.Adjuster);
+            Validate(adjuster);
+
+            Validate(gb.Driver);
+
+            Assert.NotNull(gb.Feature);
+            var feature = Assert.Single(gb.Feature);
+            Validate(feature);
+
+            Assert.NotNull(gb.Device);
+            var device = Assert.Single(gb.Device);
+            Validate(device);
+
+            Assert.NotNull(gb.Slot);
+            var slot = Assert.Single(gb.Slot);
+            Validate(slot);
+
+            Assert.NotNull(gb.SoftwareList);
+            var softwarelist = Assert.Single(gb.SoftwareList);
+            Validate(softwarelist);
+
+            Assert.NotNull(gb.RamOption);
+            var ramoption = Assert.Single(gb.RamOption);
+            Validate(ramoption);
+        }
+
+        /// <summary>
+        /// Validate a BiosSet
+        /// </summary>
+        private static void Validate(Models.Listxml.BiosSet? biosset)
+        {
+            Assert.NotNull(biosset);
+            Assert.Equal("XXXXXX", biosset.Name);
+            Assert.Equal("XXXXXX", biosset.Description);
+            Assert.Equal("XXXXXX", biosset.Default);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.Listxml.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Bios);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Merge);
+            Assert.Equal("XXXXXX", rom.Region);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.Optional);
+            Assert.Equal("XXXXXX", rom.Dispose);
+            Assert.Equal("XXXXXX", rom.SoundOnly);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.Listxml.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Merge);
+            Assert.Equal("XXXXXX", disk.Region);
+            Assert.Equal("XXXXXX", disk.Index);
+            Assert.Equal("XXXXXX", disk.Writable);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Optional);
+        }
+
+        /// <summary>
+        /// Validate a DeviceRef
+        /// </summary>
+        private static void Validate(Models.Listxml.DeviceRef? deviceref)
+        {
+            Assert.NotNull(deviceref);
+            Assert.Equal("XXXXXX", deviceref.Name);
+        }
+
+        /// <summary>
+        /// Validate a Sample
+        /// </summary>
+        private static void Validate(Models.Listxml.Sample? sample)
+        {
+            Assert.NotNull(sample);
+            Assert.Equal("XXXXXX", sample.Name);
+        }
+
+        /// <summary>
+        /// Validate a Chip
+        /// </summary>
+        private static void Validate(Models.Listxml.Chip? chip)
+        {
+            Assert.NotNull(chip);
+            Assert.Equal("XXXXXX", chip.Name);
+            Assert.Equal("XXXXXX", chip.Tag);
+            Assert.Equal("XXXXXX", chip.Type);
+            Assert.Equal("XXXXXX", chip.SoundOnly);
+            Assert.Equal("XXXXXX", chip.Clock);
+        }
+
+        /// <summary>
+        /// Validate a Display
+        /// </summary>
+        private static void Validate(Models.Listxml.Display? display)
+        {
+            Assert.NotNull(display);
+            Assert.Equal("XXXXXX", display.Tag);
+            Assert.Equal("XXXXXX", display.Type);
+            Assert.Equal("XXXXXX", display.Rotate);
+            Assert.Equal("XXXXXX", display.FlipX);
+            Assert.Equal("XXXXXX", display.Width);
+            Assert.Equal("XXXXXX", display.Height);
+            Assert.Equal("XXXXXX", display.Refresh);
+            Assert.Equal("XXXXXX", display.PixClock);
+            Assert.Equal("XXXXXX", display.HTotal);
+            Assert.Equal("XXXXXX", display.HBEnd);
+            Assert.Equal("XXXXXX", display.HBStart);
+            Assert.Equal("XXXXXX", display.VTotal);
+            Assert.Equal("XXXXXX", display.VBEnd);
+            Assert.Equal("XXXXXX", display.VBStart);
+        }
+
+        /// <summary>
+        /// Validate a Video
+        /// </summary>
+        private static void Validate(Models.Listxml.Video? video)
+        {
+            Assert.NotNull(video);
+            Assert.Equal("XXXXXX", video.Screen);
+            Assert.Equal("XXXXXX", video.Orientation);
+            Assert.Equal("XXXXXX", video.Width);
+            Assert.Equal("XXXXXX", video.Height);
+            Assert.Equal("XXXXXX", video.AspectX);
+            Assert.Equal("XXXXXX", video.AspectY);
+            Assert.Equal("XXXXXX", video.Refresh);
+        }
+
+        /// <summary>
+        /// Validate a Sound
+        /// </summary>
+        private static void Validate(Models.Listxml.Sound? sound)
+        {
+            Assert.NotNull(sound);
+            Assert.Equal("XXXXXX", sound.Channels);
+        }
+
+        /// <summary>
+        /// Validate a Input
+        /// </summary>
+        private static void Validate(Models.Listxml.Input? input)
+        {
+            Assert.NotNull(input);
+            Assert.Equal("XXXXXX", input.Service);
+            Assert.Equal("XXXXXX", input.Tilt);
+            Assert.Equal("XXXXXX", input.Players);
+            //Assert.Equal("XXXXXX", input.ControlAttr); // Mututally exclusive with input.Control
+            Assert.Equal("XXXXXX", input.Buttons);
+            Assert.Equal("XXXXXX", input.Coins);
+
+            Assert.NotNull(input.Control);
+            var control = Assert.Single(input.Control);
+            Validate(control);
+        }
+
+        /// <summary>
+        /// Validate a Control
+        /// </summary>
+        private static void Validate(Models.Listxml.Control? control)
+        {
+            Assert.NotNull(control);
+            Assert.Equal("XXXXXX", control.Type);
+            Assert.Equal("XXXXXX", control.Player);
+            Assert.Equal("XXXXXX", control.Buttons);
+            Assert.Equal("XXXXXX", control.ReqButtons);
+            Assert.Equal("XXXXXX", control.Minimum);
+            Assert.Equal("XXXXXX", control.Maximum);
+            Assert.Equal("XXXXXX", control.Sensitivity);
+            Assert.Equal("XXXXXX", control.KeyDelta);
+            Assert.Equal("XXXXXX", control.Reverse);
+            Assert.Equal("XXXXXX", control.Ways);
+            Assert.Equal("XXXXXX", control.Ways2);
+            Assert.Equal("XXXXXX", control.Ways3);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.Listxml.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+            Validate(dipswitch.Condition);
+
+            Assert.NotNull(dipswitch.DipLocation);
+            var diplocation = Assert.Single(dipswitch.DipLocation);
+            Validate(diplocation);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a Condition
+        /// </summary>
+        private static void Validate(Models.Listxml.Condition? condition)
+        {
+            Assert.NotNull(condition);
+            Assert.Equal("XXXXXX", condition.Tag);
+            Assert.Equal("XXXXXX", condition.Mask);
+            Assert.Equal("XXXXXX", condition.Relation);
+            Assert.Equal("XXXXXX", condition.Value);
+        }
+
+        /// <summary>
+        /// Validate a DipLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.DipLocation? diplocation)
+        {
+            Assert.NotNull(diplocation);
+            Assert.Equal("XXXXXX", diplocation.Name);
+            Assert.Equal("XXXXXX", diplocation.Number);
+            Assert.Equal("XXXXXX", diplocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.Listxml.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+            Validate(dipvalue.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.Listxml.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.Name);
+            Assert.Equal("XXXXXX", configuration.Tag);
+            Assert.Equal("XXXXXX", configuration.Mask);
+            Validate(configuration.Condition);
+
+            Assert.NotNull(configuration.ConfLocation);
+            var conflocation = Assert.Single(configuration.ConfLocation);
+            Validate(conflocation);
+
+            Assert.NotNull(configuration.ConfSetting);
+            var confsetting = Assert.Single(configuration.ConfSetting);
+            Validate(confsetting);
+        }
+
+        /// <summary>
+        /// Validate a ConfLocation
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfLocation? conflocation)
+        {
+            Assert.NotNull(conflocation);
+            Assert.Equal("XXXXXX", conflocation.Name);
+            Assert.Equal("XXXXXX", conflocation.Number);
+            Assert.Equal("XXXXXX", conflocation.Inverted);
+        }
+
+        /// <summary>
+        /// Validate a ConfSetting
+        /// </summary>
+        private static void Validate(Models.Listxml.ConfSetting? confsetting)
+        {
+            Assert.NotNull(confsetting);
+            Assert.Equal("XXXXXX", confsetting.Name);
+            Assert.Equal("XXXXXX", confsetting.Value);
+            Assert.Equal("XXXXXX", confsetting.Default);
+            Validate(confsetting.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Port
+        /// </summary>
+        private static void Validate(Models.Listxml.Port? port)
+        {
+            Assert.NotNull(port);
+            Assert.Equal("XXXXXX", port.Tag);
+
+            Assert.NotNull(port.Analog);
+            var analog = Assert.Single(port.Analog);
+            Validate(analog);
+        }
+
+        /// <summary>
+        /// Validate a Analog
+        /// </summary>
+        private static void Validate(Models.Listxml.Analog? analog)
+        {
+            Assert.NotNull(analog);
+            Assert.Equal("XXXXXX", analog.Mask);
+        }
+
+        /// <summary>
+        /// Validate a Adjuster
+        /// </summary>
+        private static void Validate(Models.Listxml.Adjuster? adjuster)
+        {
+            Assert.NotNull(adjuster);
+            Assert.Equal("XXXXXX", adjuster.Name);
+            Assert.Equal("XXXXXX", adjuster.Default);
+            Validate(adjuster.Condition);
+        }
+
+        /// <summary>
+        /// Validate a Driver
+        /// </summary>
+        private static void Validate(Models.Listxml.Driver? driver)
+        {
+            Assert.NotNull(driver);
+            Assert.Equal("XXXXXX", driver.Status);
+            Assert.Equal("XXXXXX", driver.Color);
+            Assert.Equal("XXXXXX", driver.Sound);
+            Assert.Equal("XXXXXX", driver.PaletteSize);
+            Assert.Equal("XXXXXX", driver.Emulation);
+            Assert.Equal("XXXXXX", driver.Cocktail);
+            Assert.Equal("XXXXXX", driver.SaveState);
+            Assert.Equal("XXXXXX", driver.RequiresArtwork);
+            Assert.Equal("XXXXXX", driver.Unofficial);
+            Assert.Equal("XXXXXX", driver.NoSoundHardware);
+            Assert.Equal("XXXXXX", driver.Incomplete);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.Listxml.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Type);
+            Assert.Equal("XXXXXX", feature.Status);
+            Assert.Equal("XXXXXX", feature.Overall);
+        }
+
+        /// <summary>
+        /// Validate a Device
+        /// </summary>
+        private static void Validate(Models.Listxml.Device? device)
+        {
+            Assert.NotNull(device);
+            Assert.Equal("XXXXXX", device.Type);
+            Assert.Equal("XXXXXX", device.Tag);
+            Assert.Equal("XXXXXX", device.FixedImage);
+            Assert.Equal("XXXXXX", device.Mandatory);
+            Assert.Equal("XXXXXX", device.Interface);
+            Validate(device.Instance);
+
+            Assert.NotNull(device.Extension);
+            var extension = Assert.Single(device.Extension);
+            Validate(extension);
+        }
+
+        /// <summary>
+        /// Validate a Instance
+        /// </summary>
+        private static void Validate(Models.Listxml.Instance? instance)
+        {
+            Assert.NotNull(instance);
+            Assert.Equal("XXXXXX", instance.Name);
+            Assert.Equal("XXXXXX", instance.BriefName);
+        }
+
+        /// <summary>
+        /// Validate a Extension
+        /// </summary>
+        private static void Validate(Models.Listxml.Extension? extension)
+        {
+            Assert.NotNull(extension);
+            Assert.Equal("XXXXXX", extension.Name);
+        }
+
+        /// <summary>
+        /// Validate a Slot
+        /// </summary>
+        private static void Validate(Models.Listxml.Slot? slot)
+        {
+            Assert.NotNull(slot);
+            Assert.Equal("XXXXXX", slot.Name);
+
+            Assert.NotNull(slot.SlotOption);
+            var slotoption = Assert.Single(slot.SlotOption);
+            Validate(slotoption);
+        }
+
+        /// <summary>
+        /// Validate a SlotOption
+        /// </summary>
+        private static void Validate(Models.Listxml.SlotOption? slotoption)
+        {
+            Assert.NotNull(slotoption);
+            Assert.Equal("XXXXXX", slotoption.Name);
+            Assert.Equal("XXXXXX", slotoption.DevName);
+            Assert.Equal("XXXXXX", slotoption.Default);
+        }
+
+        /// <summary>
+        /// Validate a SoftwareList
+        /// </summary>
+        private static void Validate(Models.Listxml.SoftwareList? softwarelist)
+        {
+            Assert.NotNull(softwarelist);
+            Assert.Equal("XXXXXX", softwarelist.Tag);
+            Assert.Equal("XXXXXX", softwarelist.Name);
+            Assert.Equal("XXXXXX", softwarelist.Status);
+            Assert.Equal("XXXXXX", softwarelist.Filter);
+        }
+
+        /// <summary>
+        /// Validate a RamOption
+        /// </summary>
+        private static void Validate(Models.Listxml.RamOption? ramoption)
+        {
+            Assert.NotNull(ramoption);
+            Assert.Equal("XXXXXX", ramoption.Name);
+            Assert.Equal("XXXXXX", ramoption.Default);
+            Assert.Equal("XXXXXX", ramoption.Content);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/OfflineListTests.cs

@@ -0,0 +1,450 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class OfflineListTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.OfflineList();
+
+            // Build the data
+            Models.OfflineList.Dat dat = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(dat);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OfflineList.Dat? newDat = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newDat);
+            Assert.Equal("XXXXXX", newDat.NoNamespaceSchemaLocation);
+            Validate(newDat.Configuration);
+            Validate(newDat.Games);
+            Validate(newDat.GUI);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OfflineList.Dat Build()
+        {
+            var infos = new Models.OfflineList.Infos
+            {
+                Title = new Models.OfflineList.Title
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Location = new Models.OfflineList.Location
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Publisher = new Models.OfflineList.Publisher
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SourceRom = new Models.OfflineList.SourceRom
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                SaveType = new Models.OfflineList.SaveType
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomSize = new Models.OfflineList.RomSize
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ReleaseNumber = new Models.OfflineList.ReleaseNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                ImageNumber = new Models.OfflineList.ImageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                LanguageNumber = new Models.OfflineList.LanguageNumber
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Comment = new Models.OfflineList.Comment
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                RomCRC = new Models.OfflineList.RomCRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im1CRC = new Models.OfflineList.Im1CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Im2CRC = new Models.OfflineList.Im2CRC
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+                Languages = new Models.OfflineList.Languages
+                {
+                    Visible = "XXXXXX",
+                    InNamingOption = "XXXXXX",
+                    Default = "XXXXXX",
+                },
+            };
+
+            var canopen = new Models.OfflineList.CanOpen
+            {
+                Extension = ["XXXXXX"],
+            };
+
+            var daturl = new Models.OfflineList.DatUrl
+            {
+                FileName = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var newdat = new Models.OfflineList.NewDat
+            {
+                DatVersionUrl = "XXXXXX",
+                DatUrl = daturl,
+                ImUrl = "XXXXXX",
+            };
+
+            var find = new Models.OfflineList.Find
+            {
+                Operation = "XXXXXX",
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var to = new Models.OfflineList.To
+            {
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+                Auto = "XXXXXX",
+                Find = [find],
+            };
+
+            var search = new Models.OfflineList.Search
+            {
+                To = [to],
+            };
+
+            var configuration = new Models.OfflineList.Configuration
+            {
+                DatName = "XXXXXX",
+                ImFolder = "XXXXXX",
+                DatVersion = "XXXXXX",
+                System = "XXXXXX",
+                ScreenshotsWidth = "XXXXXX",
+                ScreenshotsHeight = "XXXXXX",
+                Infos = infos,
+                CanOpen = canopen,
+                NewDat = newdat,
+                Search = search,
+                RomTitle = "XXXXXX",
+            };
+
+            var fileromcrc = new Models.OfflineList.FileRomCRC
+            {
+                Extension = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var files = new Models.OfflineList.Files
+            {
+                RomCRC = [fileromcrc],
+            };
+
+            var game = new Models.OfflineList.Game
+            {
+                ImageNumber = "XXXXXX",
+                ReleaseNumber = "XXXXXX",
+                Title = "XXXXXX",
+                SaveType = "XXXXXX",
+                RomSize = "XXXXXX",
+                Publisher = "XXXXXX",
+                Location = "XXXXXX",
+                SourceRom = "XXXXXX",
+                Language = "XXXXXX",
+                Files = files,
+                Im1CRC = "XXXXXX",
+                Im2CRC = "XXXXXX",
+                Comment = "XXXXXX",
+                DuplicateID = "XXXXXX",
+            };
+
+            var games = new Models.OfflineList.Games
+            {
+                Game = [game],
+            };
+
+            var image = new Models.OfflineList.Image
+            {
+                X = "XXXXXX",
+                Y = "XXXXXX",
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+            };
+
+            var images = new Models.OfflineList.Images
+            {
+                Width = "XXXXXX",
+                Height = "XXXXXX",
+                Image = [image],
+            };
+
+            var gui = new Models.OfflineList.GUI
+            {
+                Images = images,
+            };
+
+            return new Models.OfflineList.Dat
+            {
+                NoNamespaceSchemaLocation = "XXXXXX",
+                Configuration = configuration,
+                Games = games,
+                GUI = gui,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Configuration
+        /// </summary>
+        private static void Validate(Models.OfflineList.Configuration? configuration)
+        {
+            Assert.NotNull(configuration);
+            Assert.Equal("XXXXXX", configuration.DatName);
+            Assert.Equal("XXXXXX", configuration.ImFolder);
+            Assert.Equal("XXXXXX", configuration.DatVersion);
+            Assert.Equal("XXXXXX", configuration.System);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsWidth);
+            Assert.Equal("XXXXXX", configuration.ScreenshotsHeight);
+            Validate(configuration.Infos);
+            Validate(configuration.CanOpen);
+            Validate(configuration.NewDat);
+            Validate(configuration.Search);
+            Assert.Equal("XXXXXX", configuration.RomTitle);
+        }
+
+        /// <summary>
+        /// Validate a Infos
+        /// </summary>
+        private static void Validate(Models.OfflineList.Infos? infos)
+        {
+            Assert.NotNull(infos);
+            Validate(infos.Title);
+            Validate(infos.Location);
+            Validate(infos.Publisher);
+            Validate(infos.SourceRom);
+            Validate(infos.SaveType);
+            Validate(infos.RomSize);
+            Validate(infos.ReleaseNumber);
+            Validate(infos.ImageNumber);
+            Validate(infos.LanguageNumber);
+            Validate(infos.Comment);
+            Validate(infos.RomCRC);
+            Validate(infos.Im1CRC);
+            Validate(infos.Im2CRC);
+            Validate(infos.Languages);
+        }
+
+        /// <summary>
+        /// Validate a InfoBase
+        /// </summary>
+        private static void Validate(Models.OfflineList.InfoBase? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Visible);
+            Assert.Equal("XXXXXX", info.InNamingOption);
+            Assert.Equal("XXXXXX", info.Default);
+        }
+
+        /// <summary>
+        /// Validate a CanOpen
+        /// </summary>
+        private static void Validate(Models.OfflineList.CanOpen? canopen)
+        {
+            Assert.NotNull(canopen);
+            Assert.NotNull(canopen.Extension);
+            string extension = Assert.Single(canopen.Extension);
+            Assert.Equal("XXXXXX", extension);
+        }
+
+        /// <summary>
+        /// Validate a NewDat
+        /// </summary>
+        private static void Validate(Models.OfflineList.NewDat? newdat)
+        {
+            Assert.NotNull(newdat);
+            Assert.Equal("XXXXXX", newdat.DatVersionUrl);
+            Validate(newdat.DatUrl);
+            Assert.Equal("XXXXXX", newdat.ImUrl);
+        }
+
+        /// <summary>
+        /// Validate a DatUrl
+        /// </summary>
+        private static void Validate(Models.OfflineList.DatUrl? daturl)
+        {
+            Assert.NotNull(daturl);
+            Assert.Equal("XXXXXX", daturl.FileName);
+            Assert.Equal("XXXXXX", daturl.Content);
+        }
+
+        /// <summary>
+        /// Validate a Search
+        /// </summary>
+        private static void Validate(Models.OfflineList.Search? search)
+        {
+            Assert.NotNull(search);
+            Assert.NotNull(search.To);
+            var to = Assert.Single(search.To);
+            Validate(to);
+        }
+
+        /// <summary>
+        /// Validate a To
+        /// </summary>
+        private static void Validate(Models.OfflineList.To? to)
+        {
+            Assert.NotNull(to);
+            Assert.Equal("XXXXXX", to.Value);
+            Assert.Equal("XXXXXX", to.Default);
+            Assert.Equal("XXXXXX", to.Auto);
+
+            Assert.NotNull(to.Find);
+            var find = Assert.Single(to.Find);
+            Validate(find);
+        }
+
+        /// <summary>
+        /// Validate a Find
+        /// </summary>
+        private static void Validate(Models.OfflineList.Find? find)
+        {
+            Assert.NotNull(find);
+            Assert.Equal("XXXXXX", find.Operation);
+            Assert.Equal("XXXXXX", find.Value);
+            Assert.Equal("XXXXXX", find.Content);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.OfflineList.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Game);
+            var game = Assert.Single(games.Game);
+            Validate(game);
+        }
+
+        /// <summary>
+        /// Validate a Game
+        /// </summary>
+        private static void Validate(Models.OfflineList.Game? game)
+        {
+            Assert.NotNull(game);
+            Assert.Equal("XXXXXX", game.ImageNumber);
+            Assert.Equal("XXXXXX", game.ReleaseNumber);
+            Assert.Equal("XXXXXX", game.Title);
+            Assert.Equal("XXXXXX", game.SaveType);
+            Assert.Equal("0", game.RomSize); // Converted due to filtering
+            Assert.Equal("XXXXXX", game.Publisher);
+            Assert.Equal("XXXXXX", game.Location);
+            Assert.Equal("XXXXXX", game.SourceRom);
+            Assert.Equal("XXXXXX", game.Language);
+            Validate(game.Files);
+            Assert.Equal("XXXXXX", game.Im1CRC);
+            Assert.Equal("XXXXXX", game.Im2CRC);
+            Assert.Equal("XXXXXX", game.Comment);
+            Assert.Equal("XXXXXX", game.DuplicateID);
+        }
+
+        /// <summary>
+        /// Validate a Files
+        /// </summary>
+        private static void Validate(Models.OfflineList.Files? files)
+        {
+            Assert.NotNull(files);
+            Assert.NotNull(files.RomCRC);
+            var fileromcrc = Assert.Single(files.RomCRC);
+            Validate(fileromcrc);
+        }
+
+        /// <summary>
+        /// Validate a FileRomCRC
+        /// </summary>
+        private static void Validate(Models.OfflineList.FileRomCRC? fileromcrc)
+        {
+            Assert.NotNull(fileromcrc);
+            Assert.Equal("XXXXXX", fileromcrc.Extension);
+            Assert.Equal("XXXXXX", fileromcrc.Content);
+        }
+
+        /// <summary>
+        /// Validate a GUI
+        /// </summary>
+        private static void Validate(Models.OfflineList.GUI? gui)
+        {
+            Assert.NotNull(gui);
+            Validate(gui.Images);
+        }
+
+        /// <summary>
+        /// Validate a Images
+        /// </summary>
+        private static void Validate(Models.OfflineList.Images? images)
+        {
+            Assert.NotNull(images);
+            Assert.Equal("XXXXXX", images.Width);
+            Assert.Equal("XXXXXX", images.Height);
+
+            Assert.NotNull(images.Image);
+            var image = Assert.Single(images.Image);
+            Validate(image);
+        }
+
+        /// <summary>
+        /// Validate a Image
+        /// </summary>
+        private static void Validate(Models.OfflineList.Image? image)
+        {
+            Assert.NotNull(image);
+            Assert.Equal("XXXXXX", image.X);
+            Assert.Equal("XXXXXX", image.Y);
+            Assert.Equal("XXXXXX", image.Width);
+            Assert.Equal("XXXXXX", image.Height);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/OpenMSXTests.cs

@@ -0,0 +1,156 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class OpenMSXTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.OpenMSX();
+
+            // Build the data
+            Models.OpenMSX.SoftwareDb sdb = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(sdb);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.OpenMSX.SoftwareDb? newSdb = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newSdb);
+            Assert.Equal("XXXXXX", newSdb.Timestamp);
+
+            Assert.NotNull(newSdb.Software);
+            var software = Assert.Single(newSdb.Software);
+            Validate(software);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.OpenMSX.SoftwareDb Build()
+        {
+            var original = new Models.OpenMSX.Original
+            {
+                Value = "XXXXXX",
+                Content = "XXXXXX",
+            };
+
+            var rom = new Models.OpenMSX.Rom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_rom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = rom,
+            };
+
+            var megarom = new Models.OpenMSX.MegaRom
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_megarom = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = megarom,
+            };
+
+            var sccpluscart = new Models.OpenMSX.SCCPlusCart
+            {
+                Start = "XXXXXX",
+                Type = "XXXXXX",
+                Hash = "XXXXXX",
+                Remark = "XXXXXX",
+            };
+
+            var dump_sccpluscart = new Models.OpenMSX.Dump
+            {
+                Original = original,
+                Rom = sccpluscart,
+            };
+            
+            var software = new Models.OpenMSX.Software
+            {
+                Title = "XXXXXX",
+                GenMSXID = "XXXXXX",
+                System = "XXXXXX",
+                Company = "XXXXXX",
+                Year = "XXXXXX",
+                Country = "XXXXXX",
+                Dump = [dump_rom, dump_megarom, dump_sccpluscart],
+            };
+
+            return new Models.OpenMSX.SoftwareDb
+            {
+                Timestamp = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Title);
+            Assert.Equal("XXXXXX", software.GenMSXID);
+            Assert.Equal("XXXXXX", software.System);
+            Assert.Equal("XXXXXX", software.Company);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Country);
+
+            Assert.NotNull(software.Dump);
+            Assert.Equal(3, software.Dump.Length);
+            foreach (var dump in software.Dump)
+            {
+                Validate(dump);
+            }
+        }
+
+        /// <summary>
+        /// Validate a Dump
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Dump? dump)
+        {
+            Assert.NotNull(dump);
+            Validate(dump.Original);
+            Validate(dump.Rom);
+        }
+
+        /// <summary>
+        /// Validate a Original
+        /// </summary>
+        private static void Validate(Models.OpenMSX.Original? original)
+        {
+            Assert.NotNull(original);
+            Assert.Equal("XXXXXX", original.Value);
+            Assert.Equal("XXXXXX", original.Content);
+        }
+
+        /// <summary>
+        /// Validate a RomBase
+        /// </summary>
+        private static void Validate(Models.OpenMSX.RomBase? rombase)
+        {
+            Assert.NotNull(rombase);
+            Assert.Equal("XXXXXX", rombase.Start);
+            Assert.Equal("XXXXXX", rombase.Type);
+            Assert.Equal("XXXXXX", rombase.Hash);
+            Assert.Equal("XXXXXX", rombase.Remark);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/RomCenterTests.cs

@@ -0,0 +1,153 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class RomCenterTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.RomCenter();
+
+            // Build the data
+            Models.RomCenter.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.RomCenter.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Credits);
+            Validate(newMf.Dat);
+            Validate(newMf.Emulator);
+            Validate(newMf.Games);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.RomCenter.MetadataFile Build()
+        {
+            var credits = new Models.RomCenter.Credits
+            {
+                Author = "XXXXXX",
+                Version = "XXXXXX",
+                Email = "XXXXXX",
+                Homepage = "XXXXXX",
+                Url = "XXXXXX",
+                Date = "XXXXXX",
+                Comment = "XXXXXX",
+            };
+
+            var dat = new Models.RomCenter.Dat
+            {
+                Version = "XXXXXX",
+                Plugin = "XXXXXX",
+                Split = "XXXXXX",
+                Merge = "XXXXXX",
+            };
+
+            var emulator = new Models.RomCenter.Emulator
+            {
+                RefName = "XXXXXX",
+                Version = "XXXXXX",
+            };
+
+            var rom = new Models.RomCenter.Rom
+            {
+                ParentName = "XXXXXX",
+                ParentDescription = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                RomName = "XXXXXX",
+                RomCRC = "XXXXXX",
+                RomSize = "XXXXXX",
+                RomOf = "XXXXXX",
+                MergeName = "XXXXXX",
+            };
+
+            var games = new Models.RomCenter.Games
+            {
+                Rom = [rom],
+            };
+
+            return new Models.RomCenter.MetadataFile
+            {
+                Credits = credits,
+                Dat = dat,
+                Emulator = emulator,
+                Games = games,
+            };
+        }
+
+        /// <summary>
+        /// Validate a Credits
+        /// </summary>
+        private static void Validate(Models.RomCenter.Credits? credits)
+        {
+            Assert.NotNull(credits);
+            Assert.Equal("XXXXXX", credits.Author);
+            Assert.Equal("XXXXXX", credits.Version);
+            Assert.Equal("XXXXXX", credits.Email);
+            Assert.Equal("XXXXXX", credits.Homepage);
+            Assert.Equal("XXXXXX", credits.Url);
+            Assert.Equal("XXXXXX", credits.Date);
+            Assert.Equal("XXXXXX", credits.Comment);
+        }
+
+        /// <summary>
+        /// Validate a Dat
+        /// </summary>
+        private static void Validate(Models.RomCenter.Dat? dat)
+        {
+            Assert.NotNull(dat);
+            Assert.Equal("XXXXXX", dat.Version);
+            Assert.Equal("XXXXXX", dat.Plugin);
+            Assert.Equal("no", dat.Split); // Converted due to filtering
+            Assert.Equal("no", dat.Merge); // Converted due to filtering
+        }
+
+        /// <summary>
+        /// Validate a Emulator
+        /// </summary>
+        private static void Validate(Models.RomCenter.Emulator? emulator)
+        {
+            Assert.NotNull(emulator);
+            Assert.Equal("XXXXXX", emulator.RefName);
+            Assert.Equal("XXXXXX", emulator.Version);
+        }
+
+        /// <summary>
+        /// Validate a Games
+        /// </summary>
+        private static void Validate(Models.RomCenter.Games? games)
+        {
+            Assert.NotNull(games);
+            Assert.NotNull(games.Rom);
+            var rom = Assert.Single(games.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.RomCenter.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.ParentName);
+            Assert.Null(rom.ParentDescription); // This is unmappable
+            Assert.Equal("XXXXXX", rom.GameName);
+            Assert.Equal("XXXXXX", rom.GameDescription);
+            Assert.Equal("XXXXXX", rom.RomName);
+            Assert.Equal("XXXXXX", rom.RomCRC);
+            Assert.Equal("XXXXXX", rom.RomSize);
+            Assert.Equal("XXXXXX", rom.RomOf);
+            Assert.Equal("XXXXXX", rom.MergeName);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/SeparatedValueTests.cs

@@ -0,0 +1,168 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class SeparatedValueTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.SeparatedValue();
+
+            // Build the data
+            Models.SeparatedValue.MetadataFile mf = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(mf);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.SeparatedValue.MetadataFile? newMf = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newMf);
+            Validate(newMf.Header);
+            Assert.NotNull(newMf.Row);
+            Assert.Equal(3, newMf.Row.Length);
+
+            ValidateDisk(newMf.Row[0]);
+            ValidateMedia(newMf.Row[1]);
+            ValidateRom(newMf.Row[2]);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SeparatedValue.MetadataFile Build()
+        {
+            string[] header = ["header"];
+
+            var disk = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "disk",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            var media = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "media",
+                DiskName = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SpamSum = "XXXXXX",
+            };
+
+            var rom = new Models.SeparatedValue.Row
+            {
+                FileName = "XXXXXX",
+                InternalName = "XXXXXX",
+                Description = "XXXXXX",
+                GameName = "XXXXXX",
+                GameDescription = "XXXXXX",
+                Type = "rom",
+                RomName = "XXXXXX",
+                Size = "XXXXXX",
+                CRC = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                SHA256 = "XXXXXX",
+                SHA384 = "XXXXXX",
+                SHA512 = "XXXXXX",
+                SpamSum = "XXXXXX",
+                Status = "XXXXXX",
+            };
+
+            return new Models.SeparatedValue.MetadataFile
+            {
+                Header = header,
+                Row = [disk, media, rom],
+            };
+        }
+
+        /// <summary>
+        /// Validate a header
+        /// </summary>
+        private static void Validate(string[]? header)
+        {
+            Assert.NotNull(header);
+            string column = Assert.Single(header);
+            Assert.Equal("header", column);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateDisk(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("disk", row.Type);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.Status);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateMedia(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("media", row.Type);
+            Assert.Equal("XXXXXX", row.DiskName);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.SpamSum);
+        }
+
+        /// <summary>
+        /// Validate a Row
+        /// </summary>
+        private static void ValidateRom(Models.SeparatedValue.Row? row)
+        {
+            Assert.NotNull(row);
+            Assert.Equal("XXXXXX", row.FileName);
+            Assert.Equal("XXXXXX", row.InternalName);
+            Assert.Equal("XXXXXX", row.Description);
+            Assert.Equal("XXXXXX", row.GameName);
+            Assert.Equal("XXXXXX", row.GameDescription);
+            Assert.Equal("rom", row.Type);
+            Assert.Equal("XXXXXX", row.RomName);
+            Assert.Equal("XXXXXX", row.Size);
+            Assert.Equal("XXXXXX", row.CRC);
+            Assert.Equal("XXXXXX", row.MD5);
+            Assert.Equal("XXXXXX", row.SHA1);
+            Assert.Equal("XXXXXX", row.SHA256);
+            Assert.Equal("XXXXXX", row.SHA384);
+            Assert.Equal("XXXXXX", row.SHA512);
+            Assert.Equal("XXXXXX", row.SpamSum);
+            Assert.Equal("XXXXXX", row.Status);
+        }
+    }
+}

SabreTools.Serialization.Test/CrossModel/SoftwareListTests.cs

@@ -0,0 +1,310 @@
+using Xunit;
+
+namespace SabreTools.Serialization.Test.CrossModel
+{
+    public class SoftwareListTests
+    {
+        [Fact]
+        public void RoundTripTest()
+        {
+            // Get the cross-model serializer
+            var serializer = new Serialization.CrossModel.SoftwareList();
+
+            // Build the data
+            Models.SoftwareList.SoftwareList sl = Build();
+
+            // Serialize to generic model
+            Models.Metadata.MetadataFile? metadata = serializer.Serialize(sl);
+            Assert.NotNull(metadata);
+
+            // Serialize back to original model
+            Models.SoftwareList.SoftwareList? newSl = serializer.Deserialize(metadata);
+
+            // Validate the data
+            Assert.NotNull(newSl);
+            Assert.Equal("XXXXXX", newSl.Name);
+            Assert.Equal("XXXXXX", newSl.Description);
+            Assert.Equal("XXXXXX", newSl.Notes);
+
+            Assert.NotNull(newSl.Software);
+            var newSoftware = Assert.Single(newSl.Software);
+            Validate(newSoftware);
+        }
+
+        /// <summary>
+        /// Build model for serialization and deserialization
+        /// </summary>
+        private static Models.SoftwareList.SoftwareList Build()
+        {
+            var info = new Models.SoftwareList.Info
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var sharedfeat = new Models.SoftwareList.SharedFeat
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var feature = new Models.SoftwareList.Feature
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+            };
+
+            var rom = new Models.SoftwareList.Rom
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Length = "XXXXXX",
+                CRC = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Offset = "XXXXXX",
+                Value = "XXXXXX",
+                Status = "XXXXXX",
+                LoadFlag = "XXXXXX",
+            };
+
+            var dataarea = new Models.SoftwareList.DataArea
+            {
+                Name = "XXXXXX",
+                Size = "XXXXXX",
+                Width = "XXXXXX",
+                Endianness = "XXXXXX",
+                Rom = [rom],
+            };
+
+            var disk = new Models.SoftwareList.Disk
+            {
+                Name = "XXXXXX",
+                MD5 = "XXXXXX",
+                SHA1 = "XXXXXX",
+                Status = "XXXXXX",
+                Writeable = "XXXXXX",
+            };
+
+            var diskarea = new Models.SoftwareList.DiskArea
+            {
+                Name = "XXXXXX",
+                Disk = [disk],
+            };
+
+            var dipvalue = new Models.SoftwareList.DipValue
+            {
+                Name = "XXXXXX",
+                Value = "XXXXXX",
+                Default = "XXXXXX",
+            };
+
+            var dipswitch = new Models.SoftwareList.DipSwitch
+            {
+                Name = "XXXXXX",
+                Tag = "XXXXXX",
+                Mask = "XXXXXX",
+                DipValue = [dipvalue],
+            };
+
+            var part = new Models.SoftwareList.Part
+            {
+                Name = "XXXXXX",
+                Interface = "XXXXXX",
+                Feature = [feature],
+                DataArea = [dataarea],
+                DiskArea = [diskarea],
+                DipSwitch = [dipswitch],
+            };
+
+            var software = new Models.SoftwareList.Software
+            {
+                Name = "XXXXXX",
+                CloneOf = "XXXXXX",
+                Supported = "XXXXXX",
+                Description = "XXXXXX",
+                Year = "XXXXXX",
+                Publisher = "XXXXXX",
+                Notes = "XXXXXX",
+                Info = [info],
+                SharedFeat = [sharedfeat],
+                Part = [part],
+            };
+
+            return new Models.SoftwareList.SoftwareList
+            {
+                Name = "XXXXXX",
+                Description = "XXXXXX",
+                Notes = "XXXXXX",
+                Software = [software],
+            };
+        }
+
+        /// <summary>
+        /// Validate a Software
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Software? software)
+        {
+            Assert.NotNull(software);
+            Assert.Equal("XXXXXX", software.Name);
+            Assert.Equal("XXXXXX", software.CloneOf);
+            Assert.Equal("XXXXXX", software.Supported);
+            Assert.Equal("XXXXXX", software.Description);
+            Assert.Equal("XXXXXX", software.Year);
+            Assert.Equal("XXXXXX", software.Publisher);
+            Assert.Equal("XXXXXX", software.Notes);
+
+            Assert.NotNull(software.Info);
+            var info = Assert.Single(software.Info);
+            Validate(info);
+
+            Assert.NotNull(software.SharedFeat);
+            var sharedfeat = Assert.Single(software.SharedFeat);
+            Validate(sharedfeat);
+
+            Assert.NotNull(software.Part);
+            var part = Assert.Single(software.Part);
+            Validate(part);
+        }
+
+        /// <summary>
+        /// Validate a Info
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Info? info)
+        {
+            Assert.NotNull(info);
+            Assert.Equal("XXXXXX", info.Name);
+            Assert.Equal("XXXXXX", info.Value);
+        }
+
+        /// <summary>
+        /// Validate a SharedFeat
+        /// </summary>
+        private static void Validate(Models.SoftwareList.SharedFeat? sharedfeat)
+        {
+            Assert.NotNull(sharedfeat);
+            Assert.Equal("XXXXXX", sharedfeat.Name);
+            Assert.Equal("XXXXXX", sharedfeat.Value);
+        }
+
+        /// <summary>
+        /// Validate a Part
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Part? part)
+        {
+            Assert.NotNull(part);
+            Assert.Equal("XXXXXX", part.Name);
+            Assert.Equal("XXXXXX", part.Interface);
+
+            Assert.NotNull(part.Feature);
+            var feature = Assert.Single(part.Feature);
+            Validate(feature);
+
+            Assert.NotNull(part.DataArea);
+            var dataarea = Assert.Single(part.DataArea);
+            Validate(dataarea);
+
+            Assert.NotNull(part.DiskArea);
+            var diskarea = Assert.Single(part.DiskArea);
+            Validate(diskarea);
+
+            Assert.NotNull(part.DipSwitch);
+            var dipswitch = Assert.Single(part.DipSwitch);
+            Validate(dipswitch);
+        }
+
+        /// <summary>
+        /// Validate a Feature
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Feature? feature)
+        {
+            Assert.NotNull(feature);
+            Assert.Equal("XXXXXX", feature.Name);
+            Assert.Equal("XXXXXX", feature.Value);
+        }
+
+        /// <summary>
+        /// Validate a DataArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DataArea? dataarea)
+        {
+            Assert.NotNull(dataarea);
+            Assert.Equal("XXXXXX", dataarea.Name);
+            Assert.Equal("XXXXXX", dataarea.Size);
+            Assert.Equal("XXXXXX", dataarea.Width);
+            Assert.Equal("XXXXXX", dataarea.Endianness);
+
+            Assert.NotNull(dataarea.Rom);
+            var rom = Assert.Single(dataarea.Rom);
+            Validate(rom);
+        }
+
+        /// <summary>
+        /// Validate a Rom
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Rom? rom)
+        {
+            Assert.NotNull(rom);
+            Assert.Equal("XXXXXX", rom.Name);
+            Assert.Equal("XXXXXX", rom.Size);
+            Assert.Equal("XXXXXX", rom.Length);
+            Assert.Equal("XXXXXX", rom.CRC);
+            Assert.Equal("XXXXXX", rom.SHA1);
+            Assert.Equal("XXXXXX", rom.Offset);
+            Assert.Equal("XXXXXX", rom.Value);
+            Assert.Equal("XXXXXX", rom.Status);
+            Assert.Equal("XXXXXX", rom.LoadFlag);
+        }
+
+        /// <summary>
+        /// Validate a DiskArea
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DiskArea? diskarea)
+        {
+            Assert.NotNull(diskarea);
+            Assert.Equal("XXXXXX", diskarea.Name);
+
+            Assert.NotNull(diskarea.Disk);
+            var disk = Assert.Single(diskarea.Disk);
+            Validate(disk);
+        }
+
+        /// <summary>
+        /// Validate a Disk
+        /// </summary>
+        private static void Validate(Models.SoftwareList.Disk? disk)
+        {
+            Assert.NotNull(disk);
+            Assert.Equal("XXXXXX", disk.Name);
+            Assert.Equal("XXXXXX", disk.MD5);
+            Assert.Equal("XXXXXX", disk.SHA1);
+            Assert.Equal("XXXXXX", disk.Status);
+            Assert.Equal("XXXXXX", disk.Writeable);
+        }
+
+        /// <summary>
+        /// Validate a DipSwitch
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipSwitch? dipswitch)
+        {
+            Assert.NotNull(dipswitch);
+            Assert.Equal("XXXXXX", dipswitch.Name);
+            Assert.Equal("XXXXXX", dipswitch.Tag);
+            Assert.Equal("XXXXXX", dipswitch.Mask);
+
+            Assert.NotNull(dipswitch.DipValue);
+            var dipvalue = Assert.Single(dipswitch.DipValue);
+            Validate(dipvalue);
+        }
+
+        /// <summary>
+        /// Validate a DipValue
+        /// </summary>
+        private static void Validate(Models.SoftwareList.DipValue? dipvalue)
+        {
+            Assert.NotNull(dipvalue);
+            Assert.Equal("XXXXXX", dipvalue.Name);
+            Assert.Equal("XXXXXX", dipvalue.Value);
+            Assert.Equal("XXXXXX", dipvalue.Default);
+        }
+    }
+}

SabreTools.Serialization/CrossModel/ArchiveDotOrg.Deserializer.cs

@@ -58,6 +58,7 @@ namespace SabreTools.Serialization.CrossModel
                 Summation = item.ReadString(Models.Metadata.Rom.SummationKey),
                 MatrixNumber = item.ReadString(Models.Metadata.Rom.MatrixNumberKey),
                 CollectionCatalogNumber = item.ReadString(Models.Metadata.Rom.CollectionCatalogNumberKey),
+                Publisher = item.ReadString(Models.Metadata.Rom.PublisherKey),
                 Comment = item.ReadString(Models.Metadata.Rom.CommentKey),
 
                 ASRDetectedLang = item.ReadString(Models.Metadata.Rom.ASRDetectedLangKey),

SabreTools.Serialization/CrossModel/AttractMode.Serializer.cs

@@ -67,7 +67,7 @@ namespace SabreTools.Serialization.CrossModel
                 [Models.Metadata.Machine.PlayedCountKey] = item.PlayedCount,
                 [Models.Metadata.Machine.PlayedTimeKey] = item.PlayedTime,
                 [Models.Metadata.Machine.PlayedTimeKey] = item.PlayedTime,
-                [Models.Metadata.Machine.RomKey] = ConvertToInternalModel(item),
+                [Models.Metadata.Machine.RomKey] = new Models.Metadata.Rom[] { ConvertToInternalModel(item) },
             };
             return machine;
         }

SabreTools.Serialization/CrossModel/ClrMamePro.Deserializer.cs

@@ -7,7 +7,7 @@ namespace SabreTools.Serialization.CrossModel
     public partial class ClrMamePro : IModelSerializer<MetadataFile, Models.Metadata.MetadataFile>
     {
         /// <inheritdoc/>
-        public MetadataFile? Deserialize(Models.Metadata.MetadataFile? obj) => Deserialize(obj, false);
+        public MetadataFile? Deserialize(Models.Metadata.MetadataFile? obj) => Deserialize(obj, true);
 
         /// <inheritdoc cref="Deserialize(Models.Metadata.MetadataFile)"/>
         public MetadataFile? Deserialize(Models.Metadata.MetadataFile? obj, bool game)
@@ -25,7 +25,7 @@ namespace SabreTools.Serialization.CrossModel
             if (machines != null && machines.Length > 0)
             {
                 metadataFile.Game
-                    = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m));
+                    = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, game));
             }
 
             return metadataFile;
@@ -60,7 +60,7 @@ namespace SabreTools.Serialization.CrossModel
         /// <summary>
         /// Convert from <cref="Models.Metadata.Archive"/> to <cref="Models.ClrMamePro.Machine"/>
         /// </summary>
-        private static GameBase ConvertMachineFromInternalModel(Models.Metadata.Machine item, bool game = false)
+        private static GameBase ConvertMachineFromInternalModel(Models.Metadata.Machine item, bool game)
         {
             GameBase gameBase = game ? new Models.ClrMamePro.Game() : new Models.ClrMamePro.Machine();
 

SabreTools.Serialization/CrossModel/DosCenter.Deserializer.cs

@@ -63,9 +63,9 @@ namespace SabreTools.Serialization.CrossModel
         /// <summary>
         /// Convert from <cref="Models.Metadata.Rom"/> to <cref="Models.DosCenter.File"/>
         /// </summary>
-        private static Models.DosCenter.File ConvertFromInternalModel(Models.Metadata.Rom item)
+        private static File ConvertFromInternalModel(Models.Metadata.Rom item)
         {
-            var file = new Models.DosCenter.File
+            var file = new File
             {
                 Name = item.ReadString(Models.Metadata.Rom.NameKey),
                 Size = item.ReadString(Models.Metadata.Rom.SizeKey),

SabreTools.Serialization/CrossModel/DosCenter.Serializer.cs

@@ -66,7 +66,7 @@ namespace SabreTools.Serialization.CrossModel
         /// <summary>
         /// Convert from <cref="Models.DosCenter.File"/> to <cref="Models.Metadata.Rom"/>
         /// </summary>
-        private static Models.Metadata.Rom ConvertToInternalModel(Models.DosCenter.File item)
+        private static Models.Metadata.Rom ConvertToInternalModel(File item)
         {
             var rom = new Models.Metadata.Rom
             {

SabreTools.Serialization/CrossModel/EverdriveSMDB.Serializer.cs

@@ -11,7 +11,7 @@ namespace SabreTools.Serialization.CrossModel
         {
             if (obj == null)
                 return null;
-            
+
             var metadataFile = new Models.Metadata.MetadataFile
             {
                 [Models.Metadata.MetadataFile.HeaderKey] = ConvertHeaderToInternalModel(),
@@ -45,7 +45,7 @@ namespace SabreTools.Serialization.CrossModel
         {
             var machine = new Models.Metadata.Machine
             {
-                [Models.Metadata.Machine.RomKey] = ConvertToInternalModel(item),
+                [Models.Metadata.Machine.RomKey] = new Models.Metadata.Rom[] { ConvertToInternalModel(item) },
             };
             return machine;
         }

SabreTools.Serialization/CrossModel/Hashfile.Deserializer.cs

@@ -21,9 +21,12 @@ namespace SabreTools.Serialization.CrossModel
             if (machines == null || machines.Length == 0)
                 return null;
 
-            var hashfiles = Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, hash));
+            var hashfiles = Array.ConvertAll(machines,
+                m => ConvertMachineFromInternalModel(m, hash));
 
             var sfvs = new List<SFV>();
+            var md2s = new List<MD2>();
+            var md4s = new List<MD4>();
             var md5s = new List<MD5>();
             var sha1s = new List<SHA1>();
             var sha256s = new List<SHA256>();
@@ -35,6 +38,10 @@ namespace SabreTools.Serialization.CrossModel
             {
                 if (hashfile.SFV != null && hashfile.SFV.Length > 0)
                     sfvs.AddRange(hashfile.SFV);
+                if (hashfile.MD2 != null && hashfile.MD2.Length > 0)
+                    md2s.AddRange(hashfile.MD2);
+                if (hashfile.MD4 != null && hashfile.MD4.Length > 0)
+                    md4s.AddRange(hashfile.MD4);
                 if (hashfile.MD5 != null && hashfile.MD5.Length > 0)
                     md5s.AddRange(hashfile.MD5);
                 if (hashfile.SHA1 != null && hashfile.SHA1.Length > 0)
@@ -53,6 +60,10 @@ namespace SabreTools.Serialization.CrossModel
 
             if (sfvs.Count > 0)
                 hashfileItem.SFV = [.. sfvs];
+            if (md2s.Count > 0)
+                hashfileItem.MD2 = [.. md2s];
+            if (md4s.Count > 0)
+                hashfileItem.MD4 = [.. md4s];
             if (md5s.Count > 0)
                 hashfileItem.MD5 = [.. md5s];
             if (sha1s.Count > 0)
@@ -69,21 +80,6 @@ namespace SabreTools.Serialization.CrossModel
             return hashfileItem;
         }
 
-        /// <summary>
-        /// Convert from <cref="Models.Metadata.MetadataFile"/> to an array of <cref="Models.Hashfile.Hashfile"/>
-        /// </summary>
-        public static Models.Hashfile.Hashfile[]? ConvertArrayFromInternalModel(Models.Metadata.MetadataFile? item, HashType hash)
-        {
-            if (item == null)
-                return null;
-
-            var machines = item.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Length > 0)
-                return Array.ConvertAll(machines, m => ConvertMachineFromInternalModel(m, hash));
-
-            return null;
-        }
-
         /// <summary>
         /// Convert from <cref="Models.Metadata.Machine"/> to <cref="Models.Hashfile.Hashfile"/>
         /// </summary>
@@ -98,6 +94,12 @@ namespace SabreTools.Serialization.CrossModel
                 SFV = hash == HashType.CRC32
                     ? Array.ConvertAll(roms, ConvertToSFV)
                     : null,
+                MD2 = hash == HashType.MD2
+                    ? Array.ConvertAll(roms, ConvertToMD2)
+                    : null,
+                MD4 = hash == HashType.MD4
+                    ? Array.ConvertAll(roms, ConvertToMD4)
+                    : null,
                 MD5 = hash == HashType.MD5
                     ? Array.ConvertAll(roms, ConvertToMD5)
                     : null,
@@ -119,6 +121,32 @@ namespace SabreTools.Serialization.CrossModel
             };
         }
 
+        /// <summary>
+        /// Convert from <cref="Models.Metadata.Rom"/> to <cref="Models.Hashfile.MD2"/>
+        /// </summary>
+        private static MD2 ConvertToMD2(Models.Metadata.Rom item)
+        {
+            var md2 = new MD2
+            {
+                Hash = item.ReadString(Models.Metadata.Rom.MD2Key),
+                File = item.ReadString(Models.Metadata.Rom.NameKey),
+            };
+            return md2;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.Metadata.Rom"/> to <cref="Models.Hashfile.MD4"/>
+        /// </summary>
+        private static MD4 ConvertToMD4(Models.Metadata.Rom item)
+        {
+            var md4 = new MD4
+            {
+                Hash = item.ReadString(Models.Metadata.Rom.MD4Key),
+                File = item.ReadString(Models.Metadata.Rom.NameKey),
+            };
+            return md4;
+        }
+
         /// <summary>
         /// Convert from <cref="Models.Metadata.Rom"/> to <cref="Models.Hashfile.MD5"/>
         /// </summary>

SabreTools.Serialization/CrossModel/Hashfile.Serializer.cs

@@ -44,6 +44,10 @@ namespace SabreTools.Serialization.CrossModel
 
             if (item.SFV != null && item.SFV.Length > 0)
                 machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.SFV, ConvertToInternalModel);
+            else if (item.MD2 != null && item.MD2.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.MD2, ConvertToInternalModel);
+            else if (item.MD4 != null && item.MD4.Length > 0)
+                machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.MD4, ConvertToInternalModel);
             else if (item.MD5 != null && item.MD5.Length > 0)
                 machine[Models.Metadata.Machine.RomKey] = Array.ConvertAll(item.MD5, ConvertToInternalModel);
             else if (item.SHA1 != null && item.SHA1.Length > 0)
@@ -60,6 +64,32 @@ namespace SabreTools.Serialization.CrossModel
             return machine;
         }
 
+        /// <summary>
+        /// Convert from <cref="Models.Hashfile.MD2"/> to <cref="Models.Metadata.Rom"/>
+        /// </summary>
+        private static Models.Metadata.Rom ConvertToInternalModel(MD2 item)
+        {
+            var rom = new Models.Metadata.Rom
+            {
+                [Models.Metadata.Rom.MD2Key] = item.Hash,
+                [Models.Metadata.Rom.NameKey] = item.File,
+            };
+            return rom;
+        }
+
+        /// <summary>
+        /// Convert from <cref="Models.Hashfile.MD4"/> to <cref="Models.Metadata.Rom"/>
+        /// </summary>
+        private static Models.Metadata.Rom ConvertToInternalModel(MD4 item)
+        {
+            var rom = new Models.Metadata.Rom
+            {
+                [Models.Metadata.Rom.MD4Key] = item.Hash,
+                [Models.Metadata.Rom.NameKey] = item.File,
+            };
+            return rom;
+        }
+
         /// <summary>
         /// Convert from <cref="Models.Hashfile.MD5"/> to <cref="Models.Metadata.Rom"/>
         /// </summary>

SabreTools.Serialization/CrossModel/Listxml.Deserializer.cs

@@ -22,24 +22,6 @@ namespace SabreTools.Serialization.CrossModel
             return mame;
         }
 
-        /// <summary>
-        /// Convert from <cref="Models.Metadata.Models.Metadata.MetadataFile"/> to <cref="Models.Listxml.Mame"/>
-        /// </summary>
-        public static Mame? ConvertMameFromInternalModel(Models.Metadata.MetadataFile? item)
-        {
-            if (item == null)
-                return null;
-
-            var header = item.Read<Models.Metadata.Header>(Models.Metadata.MetadataFile.HeaderKey);
-            var mame = header != null ? ConvertMameFromInternalModel(header) : new Mame();
-
-            var machines = item.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
-            if (machines != null && machines.Length > 0)
-                mame.Game = Array.ConvertAll(machines, ConvertMachineFromInternalModel);
-
-            return mame;
-        }
-
         /// <summary>
         /// Convert from <cref="Models.Metadata.Models.Metadata.Header"/> to <cref="Models.Listxml.Mame"/>
         /// </summary>
@@ -518,11 +500,14 @@ namespace SabreTools.Serialization.CrossModel
                 Service = item.ReadString(Models.Metadata.Input.ServiceKey),
                 Tilt = item.ReadString(Models.Metadata.Input.TiltKey),
                 Players = item.ReadString(Models.Metadata.Input.PlayersKey),
-                ControlAttr = item.ReadString(Models.Metadata.Input.ControlKey),
                 Buttons = item.ReadString(Models.Metadata.Input.ButtonsKey),
                 Coins = item.ReadString(Models.Metadata.Input.CoinsKey),
             };
 
+            var controlAttr = item.ReadString(Models.Metadata.Input.ControlKey);
+            if (controlAttr != null)
+                input.ControlAttr = controlAttr;
+
             var controls = item.Read<Models.Metadata.Control[]>(Models.Metadata.Input.ControlKey);
             if (controls != null && controls.Length > 0)
                 input.Control = Array.ConvertAll(controls, ConvertFromInternalModel);

SabreTools.Serialization/CrossModel/Logiqx.Deserializer.cs

@@ -15,16 +15,16 @@ namespace SabreTools.Serialization.CrossModel
             if (obj == null)
                 return null;
 
-            var datafile = new Datafile
-            {
-                Build = obj.ReadString(Models.Metadata.Header.BuildKey),
-                Debug = obj.ReadString(Models.Metadata.Header.DebugKey),
-                SchemaLocation = obj.ReadString(Models.Metadata.Header.SchemaLocationKey),
-            };
+            var datafile = new Datafile();
 
             var header = obj.Read<Models.Metadata.Header>(Models.Metadata.MetadataFile.HeaderKey);
             if (header != null)
+            {
+                datafile.Build = header.ReadString(Models.Metadata.Header.BuildKey);
+                datafile.Debug = header.ReadString(Models.Metadata.Header.DebugKey);
+                datafile.SchemaLocation = header.ReadString(Models.Metadata.Header.SchemaLocationKey);
                 datafile.Header = ConvertHeaderFromInternalModel(header);
+            }
 
             // TODO: Handle Dir items - Currently need to be generated from the machines
             var machines = obj.Read<Models.Metadata.Machine[]>(Models.Metadata.MetadataFile.MachineKey);
@@ -56,38 +56,58 @@ namespace SabreTools.Serialization.CrossModel
                 Type = item.ReadString(Models.Metadata.Header.TypeKey),
             };
 
-            if (item.ContainsKey(Models.Metadata.Header.HeaderKey)
-                || item.ContainsKey(Models.Metadata.Header.ForceMergingKey)
-                || item.ContainsKey(Models.Metadata.Header.ForceNodumpKey)
-                || item.ContainsKey(Models.Metadata.Header.ForcePackingKey))
+            string? headerVal = item.ReadString(Models.Metadata.Header.HeaderKey);
+            string? forceMerging = item.ReadString(Models.Metadata.Header.ForceMergingKey);
+            string? forceNodump = item.ReadString(Models.Metadata.Header.ForceNodumpKey);
+            string? forceUnpacking = item.ReadString(Models.Metadata.Header.ForcePackingKey);
+
+            if (headerVal != null
+                || forceMerging != null
+                || forceNodump != null
+                || forceUnpacking != null)
             {
-                header.ClrMamePro = new Models.Logiqx.ClrMamePro
-                {
-                    Header = item.ReadString(Models.Metadata.Header.HeaderKey),
-                    ForceMerging = item.ReadString(Models.Metadata.Header.ForceMergingKey),
-                    ForceNodump = item.ReadString(Models.Metadata.Header.ForceNodumpKey),
-                    ForcePacking = item.ReadString(Models.Metadata.Header.ForcePackingKey),
-                };
+                header.ClrMamePro = new Models.Logiqx.ClrMamePro();
+                if (headerVal != null)
+                    header.ClrMamePro.Header = headerVal;
+                if (forceMerging != null)
+                    header.ClrMamePro.ForceMerging = forceMerging;
+                if (forceNodump != null)
+                    header.ClrMamePro.ForceNodump = forceNodump;
+                if (forceUnpacking != null)
+                    header.ClrMamePro.ForcePacking = forceUnpacking;
             }
 
-            if (item.ContainsKey(Models.Metadata.Header.PluginKey)
-                || item.ContainsKey(Models.Metadata.Header.RomModeKey)
-                || item.ContainsKey(Models.Metadata.Header.BiosModeKey)
-                || item.ContainsKey(Models.Metadata.Header.SampleModeKey)
-                || item.ContainsKey(Models.Metadata.Header.LockRomModeKey)
-                || item.ContainsKey(Models.Metadata.Header.LockBiosModeKey)
-                || item.ContainsKey(Models.Metadata.Header.LockSampleModeKey))
+            string? plugin = item.ReadString(Models.Metadata.Header.PluginKey);
+            string? romMode = item.ReadString(Models.Metadata.Header.RomModeKey);
+            string? biosMode = item.ReadString(Models.Metadata.Header.BiosModeKey);
+            string? sampleMode = item.ReadString(Models.Metadata.Header.SampleModeKey);
+            string? lockRomMode = item.ReadString(Models.Metadata.Header.LockRomModeKey);
+            string? lockBiosMode = item.ReadString(Models.Metadata.Header.LockBiosModeKey);
+            string? lockSampleMode = item.ReadString(Models.Metadata.Header.LockSampleModeKey);
+
+            if (plugin != null
+                || romMode != null
+                || biosMode != null
+                || sampleMode != null
+                || lockRomMode != null
+                || lockBiosMode != null
+                || lockSampleMode != null)
             {
-                header.RomCenter = new Models.Logiqx.RomCenter
-                {
-                    Plugin = item.ReadString(Models.Metadata.Header.PluginKey),
-                    RomMode = item.ReadString(Models.Metadata.Header.RomModeKey),
-                    BiosMode = item.ReadString(Models.Metadata.Header.BiosModeKey),
-                    SampleMode = item.ReadString(Models.Metadata.Header.SampleModeKey),
-                    LockRomMode = item.ReadString(Models.Metadata.Header.LockRomModeKey),
-                    LockBiosMode = item.ReadString(Models.Metadata.Header.LockBiosModeKey),
-                    LockSampleMode = item.ReadString(Models.Metadata.Header.LockSampleModeKey),
-                };
+                header.RomCenter = new Models.Logiqx.RomCenter();
+                if (plugin != null)
+                    header.RomCenter.Plugin = plugin;
+                if (romMode != null)
+                    header.RomCenter.RomMode = romMode;
+                if (biosMode != null)
+                    header.RomCenter.BiosMode = biosMode;
+                if (sampleMode != null)
+                    header.RomCenter.SampleMode = sampleMode;
+                if (lockRomMode != null)
+                    header.RomCenter.LockRomMode = lockRomMode;
+                if (lockBiosMode != null)
+                    header.RomCenter.LockBiosMode = lockBiosMode;
+                if (lockSampleMode != null)
+                    header.RomCenter.LockSampleMode = lockSampleMode;
             }
 
             return header;

SabreTools.Serialization/CrossModel/OfflineList.Deserializer.cs

@@ -104,7 +104,7 @@ namespace SabreTools.Serialization.CrossModel
                 game.RomSize = Array.Find(romSizes, s => s > -1).ToString();
 
                 var romCRCs = Array.ConvertAll(roms, ConvertFromInternalModel);;
-                game.Files = new Models.OfflineList.Files { RomCRC = romCRCs };
+                game.Files = new Files { RomCRC = romCRCs };
             }
 
             return game;

SabreTools.Serialization/CrossModel/RomCenter.Deserializer.cs

@@ -99,15 +99,15 @@ namespace SabreTools.Serialization.CrossModel
         {
             var row = new Rom
             {
-                RomName = item.ReadString(Models.Metadata.Rom.NameKey),
-                RomCRC = item.ReadString(Models.Metadata.Rom.CRCKey),
-                RomSize = item.ReadString(Models.Metadata.Rom.SizeKey),
-                MergeName = item.ReadString(Models.Metadata.Rom.MergeKey),
-
-                ParentName = parent.ReadString(Models.Metadata.Machine.RomOfKey),
+                ParentName = parent.ReadString(Models.Metadata.Machine.CloneOfKey),
                 //ParentDescription = parent.ReadString(Models.Metadata.Machine.ParentDescriptionKey), // This is unmappable
                 GameName = parent.ReadString(Models.Metadata.Machine.NameKey),
                 GameDescription = parent.ReadString(Models.Metadata.Machine.DescriptionKey),
+                RomName = item.ReadString(Models.Metadata.Rom.NameKey),
+                RomCRC = item.ReadString(Models.Metadata.Rom.CRCKey),
+                RomSize = item.ReadString(Models.Metadata.Rom.SizeKey),
+                RomOf = parent.ReadString(Models.Metadata.Machine.RomOfKey),
+                MergeName = item.ReadString(Models.Metadata.Rom.MergeKey),
             };
             return row;
         }

SabreTools.Serialization/CrossModel/RomCenter.Serializer.cs

@@ -71,7 +71,8 @@ namespace SabreTools.Serialization.CrossModel
         {
             var machine = new Models.Metadata.Machine
             {
-                [Models.Metadata.Machine.RomOfKey] = item.ParentName,
+                [Models.Metadata.Machine.RomOfKey] = item.RomOf,
+                [Models.Metadata.Machine.CloneOfKey] = item.ParentName,
                 //[Models.Metadata.Machine.ParentDescriptionKey] = item.ParentDescription, // This is unmappable
                 [Models.Metadata.Machine.NameKey] = item.GameName,
                 [Models.Metadata.Machine.DescriptionKey] = item.GameDescription,

SabreTools.Serialization/CrossModel/SeparatedValue.Deserializer.cs

@@ -105,7 +105,7 @@ namespace SabreTools.Serialization.CrossModel
         {
             var row = new Row
             {
-                FileName = header?.ReadString("FILENAME"), // TODO: Make this an actual key to retrieve
+                FileName = header?.ReadString("FILENAME"), // TODO: Make this an actual key to retrieve on an item -- OriginalFilename
                 InternalName = header?.ReadString(Models.Metadata.Header.NameKey),
                 Description = header?.ReadString(Models.Metadata.Header.DescriptionKey),
                 GameName = parent.ReadString(Models.Metadata.Machine.NameKey),

SabreTools.Serialization/CrossModel/SeparatedValue.Serializer.cs

@@ -39,7 +39,7 @@ namespace SabreTools.Serialization.CrossModel
             if (item.Row != null && item.Row.Length > 0)
             {
                 var first = item.Row[0];
-                //header[Models.Metadata.Header.FileNameKey] = first.FileName; // Not possible to map
+                header["FILENAME"] = first.FileName; // TODO: Make this an actual key to retrieve on an item -- OriginalFilename
                 header[Models.Metadata.Header.NameKey] = first.FileName;
                 header[Models.Metadata.Header.DescriptionKey] = first.Description;
             }