I love stuff like this! I have a Kaypro 2/84, which supports a display resolution of 160x100 with colors ranging from green, to 'less green' to black, and I went down a rabbit hole of trying to push the graphics: https://www.chrisfenton.com/exploring-kaypro-video-performan... - I was eventually able to get it do display (short!) 50 fps video clips.