diff --git a/BizHawk.Client.Common/movie/tasproj/TasMovie.cs b/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
index 375136d6fd..127b06d7b7 100644
--- a/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
+++ b/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
@@ -56,7 +56,6 @@ namespace BizHawk.Client.Common
 
 			BindMarkersToInput = true;
 			CurrentBranch = -1;
-			LastPositionFrame = -1;
 		}
 
 		public TasMovie(bool startsFromSavestate = false, BackgroundWorker progressReportWorker = null)
@@ -79,7 +78,6 @@ namespace BizHawk.Client.Common
 
 			BindMarkersToInput = true;
 			CurrentBranch = -1;
-			LastPositionFrame = -1;
 		}
 
 		public TasLagLog TasLagLog { get { return LagLog; } }
@@ -87,23 +85,11 @@ namespace BizHawk.Client.Common
 		public TasMovieMarkerList Markers { get; set; }
 		public bool BindMarkersToInput { get; set; }
 		public bool UseInputCache { get; set; }
+		public bool LastPositionStable = true;
 		public string NewBranchText = "";
 		public int CurrentBranch { get; set; }
 		public int BranchCount { get { return Branches.Count; } }
 
-		/// <summary>
-		/// Separates "restore last position" logic from seeking caused by navigation.
-		/// TASEditor never kills LastPositionFrame, and it only pauses on it,
-		/// if it hasn't been greenzoned beforehand and middle mouse button was pressed.
-		/// </summary>
-		public int LastPositionFrame { get; set; }
-
-		/// <summary>
-		/// If user emulated a new frame, current edited segment may change
-		/// TASEditor lets LastPositionFrame be changed then
-		/// </summary>
-		public bool LastPositionStable = true;
-
 		public TasBranch GetBranch(int index)
 		{
 			if (index >= Branches.Count || index < 0)
@@ -327,6 +313,7 @@ namespace BizHawk.Client.Common
 		{
 			if (Global.Emulator.Frame > LastValidFrame)
 			{
+				// emulated a new frame, current editing segment may change now. taseditor logic
 				LastPositionStable = false;
 			}
 
diff --git a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs
index 23bef0c134..c8d285a047 100644
--- a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs
+++ b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.cs
@@ -115,17 +115,12 @@ namespace BizHawk.Client.EmuHawk
 			get { return GlobalWin.MainForm; }
 		}
 
-		public int LastPositionFrame
-		{
-			get
-			{
-				return CurrentTasMovie.LastPositionFrame;
-			}
-			set
-			{
-				CurrentTasMovie.LastPositionFrame = value;
-			}
-		}
+		/// <summary>
+		/// Separates "restore last position" logic from seeking caused by navigation.
+		/// TASEditor never kills LastPositionFrame, and it only pauses on it,
+		/// if it hasn't been greenzoned beforehand and middle mouse button was pressed.
+		/// </summary>
+		public int LastPositionFrame { get; set; }
 
 		#region "Initializing"
 
@@ -174,6 +169,7 @@ namespace BizHawk.Client.EmuHawk
 			TasView.PointedCellChanged += TasView_PointedCellChanged;
 			TasView.MultiSelect = true;
 			TasView.MaxCharactersInHorizontal = 1;
+			LastPositionFrame = -1;
 		}
 
 		private void AutosaveTimerEventProcessor(object sender, EventArgs e)