[Jim] wanted to build one of these computers and wound up creating a minimal system with switches and blinkenlights. It’s based on the Z80 CPU, has only 256 bytes of RAM, and not much else.

There have been plenty of Z80 computer builds here on Hackaday, but what sets them apart is what you do with them. [Andrew] writes in with his Z80 single-board computer made from scratch ...

For anyone relatively new to the world of gaming PCs or just ... not too dissimilar to the Zilog Z80 chip that I'd spent many years programming before getting a PC. There was a good reason for ...