diff --git a/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs b/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
index 6459b5a9d0..e290373968 100644
--- a/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
+++ b/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
@@ -52,6 +52,7 @@ namespace BizHawk.Client.Common
 			syncSettings.Player2Present = input[i++] is not 0;
 			syncSettings.Player3Present = input[i++] is not 0;
 			syncSettings.Player4Present = input[i++] is not 0;
+			syncSettings.TurningResolution = DSDA.TurningResolution.Shorttics;
 			Result.Movie.SyncSettingsJson = ConfigService.SaveWithType(syncSettings);
 
 			var doomController1 = new DoomController(1);
diff --git a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.ControllerDeck.cs b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.ControllerDeck.cs
index acc7c87bae..90521e63ec 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.ControllerDeck.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.ControllerDeck.cs
@@ -7,14 +7,14 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 {
 	public class DoomControllerDeck
 	{
-		public DoomControllerDeck(DoomControllerTypes controllerType, bool player1Present, bool player2Present, bool player3Present, bool player4Present)
+		public DoomControllerDeck(DoomControllerTypes controllerType, bool player1Present, bool player2Present, bool player3Present, bool player4Present, bool longtics)
 		{
 			Definition = new("Doom Demo LMP 1.9 Input Format") { };
 
-			if (player1Present) Port1 = ControllerCtors[controllerType](1);
-			if (player2Present) Port2 = ControllerCtors[controllerType](2);
-			if (player3Present) Port3 = ControllerCtors[controllerType](3);
-			if (player4Present) Port4 = ControllerCtors[controllerType](4);
+			if (player1Present) Port1 = ControllerCtors[controllerType](1, longtics);
+			if (player2Present) Port2 = ControllerCtors[controllerType](2, longtics);
+			if (player3Present) Port3 = ControllerCtors[controllerType](3, longtics);
+			if (player4Present) Port4 = ControllerCtors[controllerType](4, longtics);
 
 			if (player1Present) Definition.BoolButtons.AddRange(Port1.Definition.BoolButtons.ToList());
 			if (player2Present) Definition.BoolButtons.AddRange(Port2.Definition.BoolButtons.ToList());
@@ -60,14 +60,14 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 		private readonly IPort Port3;
 		private readonly IPort Port4;
 
-		private static IReadOnlyDictionary<DoomControllerTypes, Func<int, IPort>> _controllerCtors;
+		private static IReadOnlyDictionary<DoomControllerTypes, Func<int, bool, IPort>> _controllerCtors;
 
-		public static IReadOnlyDictionary<DoomControllerTypes, Func<int, IPort>> ControllerCtors => _controllerCtors
-			??= new Dictionary<DoomControllerTypes, Func<int, IPort>>
+		public static IReadOnlyDictionary<DoomControllerTypes, Func<int, bool, IPort>> ControllerCtors => _controllerCtors
+			??= new Dictionary<DoomControllerTypes, Func<int, bool, IPort>>
 			{
-				[DoomControllerTypes.Doom] = portNum => new DoomController(portNum),
-				[DoomControllerTypes.Heretic] = portNum => new HereticController(portNum),
-				[DoomControllerTypes.Hexen] = portNum => new HexenController(portNum),
+				[DoomControllerTypes.Doom] = (portNum, longtics) => new DoomController(portNum, longtics),
+				[DoomControllerTypes.Heretic] = (portNum, longtics) => new HereticController(portNum, longtics),
+				[DoomControllerTypes.Hexen] = (portNum, longtics) => new HexenController(portNum, longtics),
 			};
 	}
 }
diff --git a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.IEmulator.cs b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.IEmulator.cs
index 7d56a6af05..d50d6df20f 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.IEmulator.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.IEmulator.cs
@@ -81,10 +81,15 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 					players[i]._RunSpeed = players[i]._RunSpeed.Clamp<int>(-_runSpeeds[1], _runSpeeds[1]);
 
 					// mouse-driven turning
-					players[i]._TurningSpeed -= (int)(potReaders[i](controller, 5) * _syncSettings.MouseTurnSensitivity / 300.0);
-					if (_syncSettings.TurningResolution == TurningResolution.Shorttics)
+					players[i]._TurningSpeed -= potReaders[i](controller, 5) * _syncSettings.MouseTurnSensitivity;
+					// todo: check how the core calculates these
+					if (_syncSettings.TurningResolution == TurningResolution.Longtics)
 					{
-						players[i]._TurningSpeed >>= 8;
+						players[i]._TurningSpeed = (int) (players[i]._TurningSpeed / 256.0);
+					}
+					else
+					{
+						players[i]._TurningSpeed = (int) (players[i]._TurningSpeed / 10.0);
 					}
 
 					// bool buttons
diff --git a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.cs b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.cs
index 32ccdbb5c6..593f5f0821 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDA.cs
@@ -26,7 +26,13 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 			ServiceProvider = ser;
 			_finalSyncSettings = _syncSettings = lp.SyncSettings ?? new DoomSyncSettings();
 			_settings = lp.Settings ?? new DoomSettings();
-			_controllerDeck = new DoomControllerDeck(_syncSettings.InputFormat, _syncSettings.Player1Present, _syncSettings.Player2Present, _syncSettings.Player3Present, _syncSettings.Player4Present);
+			_controllerDeck = new DoomControllerDeck(
+				_syncSettings.InputFormat,
+				_syncSettings.Player1Present,
+				_syncSettings.Player2Present,
+				_syncSettings.Player3Present,
+				_syncSettings.Player4Present,
+				_syncSettings.TurningResolution == TurningResolution.Longtics);
 			_loadCallback = LoadCallback;
 
 			// Gathering information for the rest of the wads
diff --git a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDAControllers.cs b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDAControllers.cs
index 64d22ff18e..b6831e8a76 100644
--- a/src/BizHawk.Emulation.Cores/Computers/Doom/DSDAControllers.cs
+++ b/src/BizHawk.Emulation.Cores/Computers/Doom/DSDAControllers.cs
@@ -25,7 +25,7 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 
 	public class DoomController : IPort
 	{
-		public DoomController(int portNum)
+		public DoomController(int portNum, bool longtics)
 		{
 			PortNum = portNum;
 			Definition = new ControllerDefinition("Doom Input Format")
@@ -38,7 +38,7 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 				.AddAxis($"P{PortNum} Turning Speed", (-128).RangeTo(127), 0)
 				.AddAxis($"P{PortNum} Weapon Select", (0).RangeTo(7), 0)
 				.AddAxis($"P{PortNum} Mouse Running", (-128).RangeTo(127), 0)
-				.AddAxis($"P{PortNum} Mouse Turning", (-32768).RangeTo(32767), 0)
+				.AddAxis($"P{PortNum} Mouse Turning", (longtics ? -32768 : -128).RangeTo(longtics ? 32767 : 127), 0)
 				.MakeImmutable();
 		}
 
@@ -102,7 +102,7 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 
 	public class HereticController : IPort
 	{
-		public HereticController(int portNum)
+		public HereticController(int portNum, bool longtics)
 		{
 			PortNum = portNum;
 			Definition = new ControllerDefinition("Heretic Input Format")
@@ -221,7 +221,7 @@ namespace BizHawk.Emulation.Cores.Computers.Doom
 
 	public class HexenController : IPort
 	{
-		public HexenController(int portNum)
+		public HexenController(int portNum, bool longtics)
 		{
 			PortNum = portNum;
 			Definition = new ControllerDefinition("Hexen Input Format")