This reminds me of the Duo Adept[1], a full TTL computer with video output, keyboard input and a homebrew operating system. All built by a teenager in his spare

This reminds me of the Duo Adept[1], a full TTL computer with video output, keyboard input and a homebrew operating system. All built by a teenager in his spare time. 1: https://m.youtube.com/watch?v=qYvr0b8jqbg https://m.youtube.com/watch?v=qYvr0b8jqbg