have Tastudio control RebootCore when it is open, fixes #2201

src/BizHawk.Client.Common/movie/MovieSession.cs

@@ -238,13 +238,13 @@ namespace BizHawk.Client.Common
 		public void RunQueuedMovie(bool recordMode, IEmulator emulator, IDictionary<string, string> preferredCores)
 		{
 			MovieController = new Bk2Controller(emulator.ControllerDefinition);
-			_queuedMovie.Attach(emulator);
 			foreach (var previousPref in _preferredCores)
 			{
 				preferredCores[previousPref.Key] = previousPref.Value;
 			}
 
 			Movie = _queuedMovie;
+			Movie.Attach(emulator);
 			_queuedMovie = null;
 
 			Movie.ProcessSavestate(Movie.Emulator);

src/BizHawk.Client.EmuHawk/IControlMainform.cs

@@ -2,6 +2,9 @@
 {
 	public interface IControlMainform
 	{
+		bool WantsToControlReboot { get; }
+		void RebootCore();
+
 		bool WantsToControlSavestates { get; }
 
 		void SaveState();

src/BizHawk.Client.EmuHawk/MainForm.cs

@@ -1033,8 +1033,19 @@ namespace BizHawk.Client.EmuHawk
 
 		public void RebootCore()
 		{
-			if (CurrentlyOpenRomArgs == null) return;
-			LoadRom(CurrentlyOpenRomArgs.OpenAdvanced.SimplePath, CurrentlyOpenRomArgs);
+			if (IsSlave && Master.WantsToControlReboot)
+			{
+				Master.RebootCore();
+			}
+			else
+			{
+				if (CurrentlyOpenRomArgs == null)
+				{
+					return;
+				}
+
+				LoadRom(CurrentlyOpenRomArgs.OpenAdvanced.SimplePath, CurrentlyOpenRomArgs);
+			}
 		}
 
 		public void PauseEmulator()

src/BizHawk.Client.EmuHawk/tools/Debugger/GenericDebugger.IControlMainform.cs

@@ -2,6 +2,12 @@
 {
 	public partial class GenericDebugger : IControlMainform
 	{
+
+		public bool WantsToControlReboot => false;
+		public void RebootCore()
+		{
+		}
+
 		public bool WantsToControlSavestates => false;
 
 		public void SaveState() { }

src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.IControlMainForm.cs

@@ -128,5 +128,14 @@ namespace BizHawk.Client.EmuHawk
 				RefreshDialog();
 			}
 		}
+
+		public bool WantsToControlReboot { get; private set; } = true;
+
+		public void RebootCore()
+		{
+			WantsToControlReboot = false;
+			NewTasMenuItem_Click(null, null);
+			WantsToControlReboot = true;
+		}
 	}
 }