Hey @retrotink2 - Atari 2600 Battlezone on the 5X-Pro looks like this.

On the technical side, it looks like the code for the game alternates between 2.2 scanlines and 2.26 scanlines for VSync instead of the standard 3. pic.twitter.com/YvUqfdFkMn

— Displaced Gamers (@DisplacedGamers) May 4, 2021