The registers inside the CPU, the machine code instruction set, and the ways in which the instructions interact with the registers and status flags are all intertwined. As you may recall, one of my ...

A new version of the pocket-sized BBC micro:bit computer is coming to schools worldwide, packed with new features designed to keep young students up-to-date with the latest hot trends in technology.

From 1994 on, I built my own computers. I did the specs, I got the bits, I put them together, and I built other people's computers. Hardly a month would go by without me having my head inside yet ...

If you are limiting yourself to only 16 instructions, which ones should you chose, and how do you manage without the ones that fall by the wayside? In my previous column on our project to build a ...

Homebrew 8-bit computers tend to have fairly limited displays, often one or more seven-segment displays and an array of LEDs to show the values of RAM or perhaps some other states of the computer.