The Instruction Register is one of the specialised registers within the relay computer. It holds a single 8-bit value representing the current instruction to be performed. It is write-only (from the data bus) and has a permanent output on to the instruction bus.
Below is a list of the blog articles relating to this card (in reverse date order):
16 May 2015 - 1 min read
Register Construction: Completed Instruction Register Full Test
Following on from my last post, and after popping in some relays, the instruction register is complete and looks like this: As usual I’ve put a video together that …
09 May 2015 - 3 min read
Register Construction: Instruction Register
There’s been lots of theory going on in my recent posts but the time for design is over (for now) … it’s time to get constructing. The first card up in this …
01 Dec 2014 - 6 min read
Register Design: Instruction Register
Well, it’s fair to say that I rather underestimated just how much time decorating the new house would take up … and that’s mainly because …
