There was also Concurrent CP/M (possibly only a /86 variant).
On Sat, May 4, 2024 at 2:02 AM Bill Degnan via cctalk
wrote:
> Herb Johnson has some good info on the history of cp/m here
> https://www.retrotechnology.com/#dri
> Bill
>
> On Fri, May 3, 2024, 8:23 PM Murray McCullough via cctalk <
Herb Johnson has some good info on the history of cp/m here
https://www.retrotechnology.com/#dri
Bill
On Fri, May 3, 2024, 8:23 PM Murray McCullough via cctalk <
cctalk@classiccmp.org> wrote:
> I came across an article that said CP/M came out in April 1974. I remember
> using this OS in the
CP/M (Originally Control Program/Monitor later Control Program for
Microcomputers) we developed by Gary Killdall in at Digital Research,
Inc. 1974.
CP/M-86 was released in 1981.
CP/M-68K was released in 1982.
On 5/3/2024 7:11 PM, Norman Jaffe via cctalk wrote:
Not quite.
CP/M is not a
Not quite.
CP/M is not a rename of PL/M.
PL/M is a derivative of the programming language PL/I and was used in the
development of CP/M - it is not an operating system.
CP/M-86 was a later development of CP/M that was designed to run on 16-bit
Intel processors.
CP/M-68K was another branch of
