Very cool story. For those who don't know what CP/M is, here's some background: ...

dfawcus · on April 9, 2024

I've been meaning to run up MP/M in an emulator for a while now, and have a play.

A multi-user, multi-tasking, multi-threading[1], and multi-terminal real time OS, with a limited form of job control.

Not bad for 1979/1980 on an 8080 or Z80.

[1] when non bank-switched, or with constraints when bank switched.

browningstreet · on April 9, 2024

I'll just leave this here:

"The core of ZCPR3 is an enhancement of your normal CP/M 2.2 operating system (ZCPR3 isn't for CP/M Plus)."

(Cert isn't valid so you'll get a warning..)