diff --git a/SabreTools.Library/Data/Flags.cs b/SabreTools.Library/Data/Flags.cs
index aa39f495..a62d58bd 100644
--- a/SabreTools.Library/Data/Flags.cs
+++ b/SabreTools.Library/Data/Flags.cs
@@ -208,9 +208,10 @@ namespace SabreTools.Library.Data
 		MissFile = AttractMode << 1,
 		CSV = MissFile << 1,
 		TSV = CSV << 1,
+		Listroms = TSV << 1,
 
 		// SFV-similar Formats
-		RedumpSFV = TSV << 1,
+		RedumpSFV = Listroms << 1,
 		RedumpMD5 = RedumpSFV << 1,
 		RedumpSHA1 = RedumpMD5 << 1,
 		RedumpSHA256 = RedumpSHA1 << 1,
@@ -218,7 +219,7 @@ namespace SabreTools.Library.Data
 		RedumpSHA512 = RedumpSHA384 << 1,
 
 		// Specialty combinations
-        ALL = 0xFFFFF,
+        ALL = 0xFFFFFFF,
     }
 
     /// <summary>
diff --git a/SabreTools.Library/Dats/Partials/DatFile.Parsers.cs b/SabreTools.Library/Dats/Partials/DatFile.Parsers.cs
index c11e7b8b..5b5224d3 100644
--- a/SabreTools.Library/Dats/Partials/DatFile.Parsers.cs
+++ b/SabreTools.Library/Dats/Partials/DatFile.Parsers.cs
@@ -106,6 +106,9 @@ namespace SabreTools.Library.Dats
 					case DatFormat.CSV:
 						ParseCSVTSV(filename, sysid, srcid, ',', keep, clean, remUnicode);
 						break;
+					case DatFormat.Listroms:
+						ParseListroms(filename, sysid, srcid, keep, clean, remUnicode);
+						break;
 					case DatFormat.Logiqx:
 					case DatFormat.OfflineList:
 					case DatFormat.SabreDat:
@@ -2342,6 +2345,197 @@ namespace SabreTools.Library.Dats
 			xtr.Dispose();
 		}
 
+		/// <summary>
+		/// Parse a MAME Listroms DAT and return all found games and roms within
+		/// </summary>
+		/// <param name="filename">Name of the file to be parsed</param>
+		/// <param name="sysid">System ID for the DAT</param>
+		/// <param name="srcid">Source ID for the DAT</param>
+		/// <param name="keep">True if full pathnames are to be kept, false otherwise (default)</param>
+		/// <param name="clean">True if game names are sanitized, false otherwise (default)</param>
+		/// <param name="remUnicode">True if we should remove non-ASCII characters from output, false otherwise (default)</param>
+		/// <remarks>
+		/// In a new style MAME listroms DAT, each game has the following format:
+		/// 
+		/// ROMs required for driver "005".
+		/// Name                                   Size Checksum
+		/// 1346b.cpu-u25                          2048 CRC(8e68533e) SHA1(a257c556d31691068ed5c991f1fb2b51da4826db)
+		/// 6331.sound-u8                            32 BAD CRC(1d298cb0) SHA1(bb0bb62365402543e3154b9a77be9c75010e6abc) BAD_DUMP
+		/// 
+		/// </remarks>
+		private void ParseListroms(
+			// Standard Dat parsing
+			string filename,
+			int sysid,
+			int srcid,
+
+			// Miscellaneous
+			bool keep,
+			bool clean,
+			bool remUnicode)
+		{
+			// Open a file reader
+			Encoding enc = Style.GetEncoding(filename);
+			StreamReader sr = new StreamReader(FileTools.TryOpenRead(filename), enc);
+
+			string gamename = "";
+			while (!sr.EndOfStream)
+			{
+				string line = sr.ReadLine().Trim();
+
+				// If we have a blank line, we just skip it
+				if (String.IsNullOrEmpty(line))
+				{
+					continue;
+				}
+
+				// If we have the descriptor line, ignore it
+				else if (line == "Name                                   Size Checksum")
+				{
+					continue;
+				}
+
+				// If we have the beginning of a game, set the name of the game
+				else if (line.StartsWith("ROMs required for driver"))
+				{
+					gamename = Regex.Match(line, @"^ROMs required for driver ""(.*?)""\.").Groups[1].Value;
+				}
+
+				// Otherwise, we assume we have a rom that we need to add
+				else
+				{
+					// First we separate the ROM into pieces
+					string[] split = line.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
+
+					// Standard Disks have 2 pieces (name, sha1)
+					if (split.Length == 2)
+					{
+						Disk disk = new Disk()
+						{
+							Name = split[0],
+							SHA1 = Style.CleanListromHashData(split[1]),
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+
+						ParseAddHelper(disk, clean, remUnicode);
+					}
+
+					// Baddump Disks have 4 pieces (name, BAD, sha1, BAD_DUMP)
+					else if (split.Length == 4 && line.EndsWith("BAD_DUMP"))
+					{
+						Disk disk = new Disk()
+						{
+							Name = split[0],
+							SHA1 = Style.CleanListromHashData(split[2]),
+							ItemStatus = ItemStatus.BadDump,
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+
+						ParseAddHelper(disk, clean, remUnicode);
+					}
+
+					// Standard ROMs have 4 pieces (name, size, crc, sha1)
+					else if (split.Length == 4)
+					{
+						if (!Int64.TryParse(split[1], out long size))
+						{
+							size = 0;
+						}
+
+						Rom rom = new Rom()
+						{
+							Name = split[0],
+							Size = size,
+							CRC = Style.CleanListromHashData(split[2]),
+							SHA1 = Style.CleanListromHashData(split[3]),
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+
+						ParseAddHelper(rom, clean, remUnicode);
+					}
+
+					// Nodump Disks have 5 pieces (name, NO, GOOD, DUMP, KNOWN)
+					else if (split.Length == 5 && line.EndsWith("NO GOOD DUMP KNOWN"))
+					{
+						Disk disk = new Disk()
+						{
+							Name = split[0],
+							ItemStatus = ItemStatus.Nodump,
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+
+						ParseAddHelper(disk, clean, remUnicode);
+					}
+
+					// Baddump ROMs have 6 pieces (name, size, BAD, crc, sha1, BAD_DUMP)
+					else if (split.Length == 6 && line.EndsWith("BAD_DUMP"))
+					{
+						if (!Int64.TryParse(split[1], out long size))
+						{
+							size = 0;
+						}
+
+						Rom rom = new Rom()
+						{
+							Name = split[0],
+							Size = size,
+							CRC = Style.CleanListromHashData(split[3]),
+							SHA1 = Style.CleanListromHashData(split[4]),
+							ItemStatus = ItemStatus.BadDump,
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+					}
+
+					// Nodump ROMs have 6 pieces (name, size, NO, GOOD, DUMP, KNOWN)
+					else if (split.Length == 6 && line.EndsWith("NO GOOD DUMP KNOWN"))
+					{
+						if (!Int64.TryParse(split[1], out long size))
+						{
+							size = 0;
+						}
+
+						Rom rom = new Rom()
+						{
+							Name = split[0],
+							Size = size,
+							ItemStatus = ItemStatus.Nodump,
+
+							Machine = new Machine()
+							{
+								Name = gamename,
+							},
+						};
+					}
+
+					// If we have something else, it's invalid
+					else
+					{
+						Globals.Logger.Warning("Invalid line detected: '" + line + "'");
+					}
+				}
+			}
+		}
+
 		/// <summary>
 		/// Parse a Redump MD5 and return all found games and roms within
 		/// </summary>
diff --git a/SabreTools.Library/Dats/Partials/DatFile.Writers.cs b/SabreTools.Library/Dats/Partials/DatFile.Writers.cs
index a4f799cf..b6ab3fc5 100644
--- a/SabreTools.Library/Dats/Partials/DatFile.Writers.cs
+++ b/SabreTools.Library/Dats/Partials/DatFile.Writers.cs
@@ -513,6 +513,10 @@ namespace SabreTools.Library.Dats
 					case DatFormat.DOSCenter:
 						state += "game (\n\tname \"" + rom.Machine.Name + ".zip\"\n";
 						break;
+					case DatFormat.Listroms:
+						state += "ROMs required for driver \"" + rom.Machine.Name + "\".\n" +
+							"Name                                   Size Checksum\n";
+						break;
 					case DatFormat.Logiqx:
 						state += "\t<machine name=\"" + HttpUtility.HtmlEncode(rom.Machine.Name) + "\"" +
 								(ExcludeOf ? "" :
@@ -611,6 +615,9 @@ namespace SabreTools.Library.Dats
 					case DatFormat.DOSCenter:
 						state += (String.IsNullOrEmpty(rom.Machine.SampleOf) ? "" : "\tsampleof \"" + rom.Machine.SampleOf + "\"\n") + ")\n";
 						break;
+					case DatFormat.Listroms:
+						state += "\n";
+						break;
 					case DatFormat.Logiqx:
 						state += "\t</machine>\n";
 						break;
@@ -881,6 +888,96 @@ namespace SabreTools.Library.Dats
 								break;
 						}
 						break;
+					case DatFormat.Listroms:
+						switch (rom.Type)
+						{
+							case ItemType.Archive:
+							case ItemType.BiosSet:
+							case ItemType.Release:
+							case ItemType.Sample:
+								// We don't output these at all
+								break;
+							case ItemType.Disk:
+								// The name is padded out to a particular length
+								if (rom.Name.Length < 43)
+								{
+									state += rom.Name.PadRight(43, ' ');
+								}
+								else
+								{
+									state += rom.Name + "          ";
+								}
+
+								// If we have a baddump, put the first indicator
+								if (((Disk)rom).ItemStatus == ItemStatus.BadDump)
+								{
+									state += " BAD";
+								}
+
+								// If we have a nodump, write out the indicator
+								if (((Disk)rom).ItemStatus == ItemStatus.Nodump)
+								{
+									state += " NO GOOD DUMP KNOWN";
+								}
+								// Otherwise, write out the SHA-1 hash
+								else
+								{
+									state += " SHA1(" + ((Disk)rom).SHA1 + ")";
+								}
+
+								// If we have a baddump, put the second indicator
+								if (((Disk)rom).ItemStatus == ItemStatus.BadDump)
+								{
+									state += " BAD_DUMP";
+								}
+
+								state += "\n";
+								break;
+							case ItemType.Rom:
+								// The name is padded out to a particular length
+								if (rom.Name.Length < 40)
+								{
+									state += rom.Name.PadRight(43 - (((Rom)rom).Size.ToString().Length), ' ');
+								}
+								else
+								{
+									state += rom.Name + "          ";
+								}
+
+								// If we don't have a nodump, write out the size
+								if (((Rom)rom).ItemStatus != ItemStatus.Nodump)
+								{
+									state += ((Rom)rom).Size;
+								}
+
+								// If we have a baddump, put the first indicator
+								if (((Rom)rom).ItemStatus == ItemStatus.BadDump)
+								{
+									state += " BAD";
+								}
+
+								// If we have a nodump, write out the indicator
+								if (((Rom)rom).ItemStatus == ItemStatus.Nodump)
+								{
+									state += " NO GOOD DUMP KNOWN";
+								}
+								// Otherwise, write out the CRC and SHA-1 hashes
+								else
+								{
+									state += " CRC(" + ((Rom)rom).CRC + ")";
+									state += " SHA1(" + ((Rom)rom).SHA1 + ")";
+								}
+
+								// If we have a baddump, put the second indicator
+								if (((Rom)rom).ItemStatus == ItemStatus.BadDump)
+								{
+									state += " BAD_DUMP";
+								}
+
+								state += "\n";
+								break;
+						}
+						break;
 					case DatFormat.Logiqx:
 						switch (rom.Type)
 						{
diff --git a/SabreTools.Library/README.1ST b/SabreTools.Library/README.1ST
index 5f3e1d8d..674d3a2a 100644
--- a/SabreTools.Library/README.1ST
+++ b/SabreTools.Library/README.1ST
@@ -221,6 +221,9 @@ Options:
 		-od, --output-dc	Output in DOSCenter format
 			Add outputting the created DAT to DOSCenter format
 			
+		-olr, --output-lr	Output in MAME Listrom format
+			Add outputting the created DAT to MAME Listrom format
+			
 		-om, --output-miss	Output in Missfile format
 			Add outputting the created DAT to GoodTools miss format
 			
@@ -834,6 +837,9 @@ Options:
 		-od, --output-dc	Output in DOSCenter format
 			Add outputting the created DAT to DOSCenter format
 			
+		-olr, --output-lr	Output in MAME Listrom format
+			Add outputting the created DAT to MAME Listrom format
+			
 		-om, --output-miss	Output in Missfile format
 			Add outputting the created DAT to GoodTools miss format
 			
diff --git a/SabreTools.Library/Tools/FileTools.cs b/SabreTools.Library/Tools/FileTools.cs
index e04f15e4..208569c0 100644
--- a/SabreTools.Library/Tools/FileTools.cs
+++ b/SabreTools.Library/Tools/FileTools.cs
@@ -143,6 +143,12 @@ namespace SabreTools.Library.Tools
 					return DatFormat.RomCenter;
 				}
 
+				// If we have a listroms DAT
+				else if (first.StartsWith("roms required for driver"))
+				{
+					return DatFormat.Listroms;
+				}
+
 				// If we have a CMP-based DAT
 				else if (first.Contains("clrmamepro"))
 				{
diff --git a/SabreTools.Library/Tools/Style.cs b/SabreTools.Library/Tools/Style.cs
index b93fd373..7b633113 100644
--- a/SabreTools.Library/Tools/Style.cs
+++ b/SabreTools.Library/Tools/Style.cs
@@ -106,6 +106,25 @@ namespace SabreTools.Library.Tools
 			return hash;
 		}
 
+		/// <summary>
+		/// Clean a hash string from a Listrom DAT
+		/// </summary>
+		/// <param name="hash">Hash string to sanitize</param>
+		/// <returns>Cleaned string</returns>
+		public static string CleanListromHashData(string hash)
+		{
+			if (hash.StartsWith("CRC"))
+			{
+				return hash.Substring(4, 8).ToLowerInvariant();
+			}
+			else if (hash.StartsWith("SHA1"))
+			{
+				return hash.Substring(5, 40).ToLowerInvariant();
+			}
+
+			return hash;
+		}
+
 		/// <summary>
 		/// Generate a proper outfile name based on a DAT and output directory
 		/// </summary>
@@ -156,25 +175,37 @@ namespace SabreTools.Library.Tools
 					|| (datdata.DatFormat & DatFormat.RomCenter) != 0))
 			{
 				outfileNames.Add(DatFormat.DOSCenter, CreateOutfileNamesHelper(outDir, ".dc.dat", datdata, overwrite));
-			};
+			}
+
+			//MAME Listroms
+			if ((datdata.DatFormat & DatFormat.Listroms) != 0
+				&& (datdata.DatFormat & DatFormat.AttractMode) == 0)
+			{
+				outfileNames.Add(DatFormat.Listroms, CreateOutfileNamesHelper(outDir, ".txt", datdata, overwrite));
+			}
+			if ((datdata.DatFormat & DatFormat.Listroms) != 0
+				&& (datdata.DatFormat & DatFormat.AttractMode) != 0)
+			{
+				outfileNames.Add(DatFormat.Listroms, CreateOutfileNamesHelper(outDir, ".lr.txt", datdata, overwrite));
+			}
 
 			// Logiqx XML
 			if ((datdata.DatFormat & DatFormat.Logiqx) != 0)
 			{
 				outfileNames.Add(DatFormat.Logiqx, CreateOutfileNamesHelper(outDir, ".xml", datdata, overwrite));
-			};
+			}
 
 			// Missfile
 			if ((datdata.DatFormat & DatFormat.MissFile) != 0
 				&& (datdata.DatFormat & DatFormat.AttractMode) == 0)
 			{
 				outfileNames.Add(DatFormat.MissFile, CreateOutfileNamesHelper(outDir, ".txt", datdata, overwrite));
-			};
+			}
 			if ((datdata.DatFormat & DatFormat.MissFile) != 0
 				&& (datdata.DatFormat & DatFormat.AttractMode) != 0)
 			{
 				outfileNames.Add(DatFormat.MissFile, CreateOutfileNamesHelper(outDir, ".miss.txt", datdata, overwrite));
-			};
+			}
 
 			// OfflineList
 			if (((datdata.DatFormat & DatFormat.OfflineList) != 0)
diff --git a/SabreTools/Partials/SabreTools.Help.cs b/SabreTools/Partials/SabreTools.Help.cs
index 317f71f6..a1ff6d57 100644
--- a/SabreTools/Partials/SabreTools.Help.cs
+++ b/SabreTools/Partials/SabreTools.Help.cs
@@ -110,6 +110,11 @@ namespace SabreTools
 				"Output in DOSCenter format",
 				FeatureType.Flag,
 				null));
+			datFromDir.AddFeature("output-lr", new Feature(
+				new List<string>() { "-olr", "--output-lr" },
+				"Output in MAME Listrom format",
+				FeatureType.Flag,
+				null));
 			datFromDir.AddFeature("output-miss", new Feature(
 				new List<string>() { "-om", "--output-miss" },
 				"Output in Missfile format",
@@ -761,6 +766,11 @@ namespace SabreTools
 				"Output in DOSCenter format",
 				FeatureType.Flag,
 				null));
+			update.AddFeature("output-lr", new Feature(
+				new List<string>() { "-olr", "--output-lr" },
+				"Output in MAME Listrom format",
+				FeatureType.Flag,
+				null));
 			update.AddFeature("output-miss", new Feature(
 				new List<string>() { "-om", "--output-miss" },
 				"Output in Missfile format",
diff --git a/SabreTools/SabreTools.cs b/SabreTools/SabreTools.cs
index ecf5cd0d..61539135 100644
--- a/SabreTools/SabreTools.cs
+++ b/SabreTools/SabreTools.cs
@@ -448,6 +448,10 @@ namespace SabreTools
 					case "--of-as-game":
 						filter.IncludeOfInGame = true;
 						break;
+					case "-olr":
+					case "--output-lr":
+						datFormat |= DatFormat.Listroms;
+						break;
 					case "-om":
 					case "--output-miss":
 						datFormat |= DatFormat.MissFile;