Placing screen rendering on pause as well.

apple2sdl/main.go

@@ -76,6 +76,7 @@ func SDLRun(a *apple2.Apple2) {
 			paused = a.IsPaused()
 		}
 
+		if !a.IsPaused() {
 			img := apple2.Snapshot(a)
 			if img != nil {
 				surface, err := sdl.CreateRGBSurfaceFrom(unsafe.Pointer(&img.Pix[0]),
@@ -102,6 +103,7 @@ func SDLRun(a *apple2.Apple2) {
 				surface.Free()
 				texture.Destroy()
 			}
+		}
 		sdl.Delay(1000 / 30)
 	}