Subj : Re: BBSing on CP/M
To   : acn
From : Ron Lauzon
Date : Tue Sep 21 2021 08:39:46

-=> acn wrote to Dr. What <=-

 ac> Sorry, I don't have numbers or more information on that.
 ac> Have a look at the Z80 scene, eg. in the Google Group "retro-comp" :)
 ac> There, some people are running MP/M on some machines.

Thanks.  I've been racking my brain as to what commercial machines would have
run MP/M.  I'm aware of the Kaypro-era (and many of the competitors during that
time) all running CP/M.

My thinking right now is that the ascendancy of MS-DOS really overshadowed any
enhancements of CP/M.  Like any technology, you have companies who made the
investment in that technology and don't want to spend the money to change that,
so they create a demand for updates to the "old" technology.  For a while, at
least.

 ac> "Concurrent CP/M" is still from Digital Research, as I've read on
 ac> Wikipedia (.de), Concurrent CP/M-86 is a later version of MP/M-86 +
 ac> CP/M-86.

Ahh.. That's right.  More CP/M history I'm forgot about.

 ac> Don't underestimate the Z80 :)

I don't. It's pushing 40 years old and still being manufacturered.  They must
have done something right.


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