@@ -439,6 +439,7 @@ run(Uxn *u)

 {

 	Uint64 now = SDL_GetPerformanceCounter(), frame_end, frame_interval = SDL_GetPerformanceFrequency() / 60;

 	for(;;) {

+		Uint16 screen_vector = PEEK16(&u->dev[0x20]);

 		/* .System/halt */

 		if(u->dev[0x0f])

 			return error("Run", "Ended.");

@@ -446,11 +447,11 @@ run(Uxn *u)

 		exec_deadline = now + deadline_interval;

 		if(!handle_events(u))

 			return 0;

-		uxn_eval(u, PEEK16(&u->dev[0x20]));

+		uxn_eval(u, screen_vector);

 		if(uxn_screen.fg.changed || uxn_screen.bg.changed)

 			redraw();

 		now = SDL_GetPerformanceCounter();

-		if(u->dev[0x20]) {

+		if(screen_vector) {

 			if(!BENCH && ((Sint64)(frame_end - now)) > 0) {

 				SDL_Delay((frame_end - now) / ms_interval);

 				now = frame_end;