Anatomy of an 8-bits TTL microcomputer

A project log for Gigatron TTL microcomputer

Just because! A home computer without microprocessor

Marcel van KervinckMarcel van Kervinck 10/15/2017 at 11:450 Comments

36 simple TTL chips for CPU, output and clock. A static RAM, an EPROM and a hand full of passives to make the system complete. I kept the unit coloring as in the block diagram, which in turn follows the Velleman wire colors on the breadboard version.