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 ...

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 ...

Hi everyone! Have you heard of the brand new 8-bit computer built from (mostly) off-the-shelf parts called Commander X16 made by a team of people under The 8-Bit Guy (David Murray)? If so what are ...

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.