Making a 74 series CPU is on my infinite to-do list. Last time I tried I ended up getting sidetracked by making a tool to help me. https://fingswotidun.com/Per

Making a 74 series CPU is on my infinite to-do list. Last time I tried I ended up getting sidetracked by making a tool to help me. https://fingswotidun.com/PerfBoard/ https://fingswotidun.com/PerfBoard/ But at least that's made the job of building a nice compact ALU module much easier. (One of the test boards in the app shows it)