Fix: Undoing recording frame 0 then advancing 1 frame could display incorrect inputs.

SuuperW · SuuperW · commit 6933d86fd72c · 2025-07-05T19:32:03.000-05:00
diff --git a/src/BizHawk.Client.Common/movie/tasproj/TasMovie.cs b/src/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
@@ -152,7 +152,7 @@ public void InvalidateEntireGreenzone()
 		/// </summary>
 		public string DisplayValue(int frame, string buttonName)
 		{
-			if (_displayCache.Frame != frame)
+			if (_displayCache.Frame != frame || Log.Count == 1)
 			{
 				_displayCache.Controller ??= new Bk2Controller(Session.MovieController.Definition, LogKey);
 				_displayCache.Controller.SetFromMnemonic(Log[frame]);

Original file line number	Diff line number	Diff line change
`@@ -152,7 +152,7 @@ public void InvalidateEntireGreenzone()`
`152`	`152`	`/// </summary>`
`153`	`153`	`public string DisplayValue(int frame, string buttonName)`
`154`	`154`	`{`
`155`		`- if (_displayCache.Frame != frame)`
	`155`	`+ if (_displayCache.Frame != frame \|\| Log.Count == 1)`
`156`	`156`	`{`
`157`	`157`	`_displayCache.Controller ??= new Bk2Controller(Session.MovieController.Definition, LogKey);`
`158`	`158`	`_displayCache.Controller.SetFromMnemonic(Log[frame]);`