More “don’t ask” links. I was tinkering with emulators again, and ran across this comprehensive page on the Z80 and the various DRI operating systems that ran on it. Nice emulators and lots of software and archived information.
Addendum: The Z80/CPM were CPU/Operating systems back in the days before PCs, just in case you are too young to know. Back then, using a computer looked something like this:
And yes, the IMSAI 8080 had an 8080 inside it, not a Z80.