I've spent the past few months playing around with a simple single-board Z80-based system, running CP/M 2.x I even wrote a simple text-based adventure game for

I've spent the past few months playing around with a simple single-board Z80-based system, running CP/M 2.x I even wrote a simple text-based adventure game for it, first in C, then in z80 assembly. I grew up with the ZX Spectrum, so the Z80 is a processor I remember fondly.