gpgx: switch to real interlaced mode when needed (still 60fps)

window resizes by itself if no maintain aspect ratio is forced

todo: states have broken graphics in that mode, but that's likely the original core thing

BizHawk.Client.Common/movie/MovieSession.cs

@@ -294,7 +294,8 @@ namespace BizHawk.Client.Common
 
 		private void HandleFrameLoopForRecordMode()
 		{
-			if (!(Movie is TasMovie) || !Movie.IsPlaying) // tasmovie is appended via recording frames, but we don't want it to latch input outside its inetrnal recording mode
+			// tasmovie is appended via recording frames, but we don't want it to latch input outside its inetrnal recording mode
+			if (!(Movie is TasMovie) || !Movie.IsPlaying)
 			{
 				if (MultiTrack.IsActive)
 				{

genplus-gx32/cinterface/cinterface.c

@@ -547,7 +547,7 @@ GPGX_EX int gpgx_init(const char *feromextension, int (*feload_archive_cb)(const
 	config.overscan = 0;
 	config.gg_extra = 0;
 	config.ntsc = 0;
-	config.render = 0;
+	config.render = 1;
 
 	// set overall input system type
 	// usual is MD GAMEPAD or NONE