The Wacky Frame Rate and Game Engine of Dr. Jekyll and Mr. Hyde (NES) [video]

Technical part starts at 4m 08s <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=nZg1X5kucjc&amp;t=4m08s" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=nZg1X5kucjc&amp;t=4m08s</a>