Relay Computer

My journey in constructing an 8 bit relay computer from scratch ... made from of a ton of solder, wires, lights, relays, sweat, tears, swearing and money.

Register Design: Program Counter

It’s been a while since my last post … pretty much 10 months in fact … and I’d love to say I’ve been quietly working...

29 May 2017   —  5 minute read

Yet another diversion

It’s been a bit quiet on the relay computer front again for a while … well it is summer after all and there’s no point...

24 Jul 2016   —  2 minute read

Sequencing & Control Test

It’s finally time to give all the cards created so far a test so I can check everything works together as expected. This represents quite...

24 May 2016   —  2 minute read

Sequencer Construction: 8-cycle FSM

I’m just about at the half way mark now for getting the computer to operate the MOV8, ALU and SETAB instructions. The easier cards are...

08 Jul 2015   —  6 minute read