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Paolo Amoroso

Buried deep in an old repo I discovered a CP/M subsystem of Medley Interlisp which even runs WordStar and Turbo Pascal.

Screenshot of the black and white desktop of a 1980s graphical workstation environment. The desktop has a gray background pattern and some windows with a white background and a title bar with white text on a black background. The main window is a terminal showing the output of some CP/M commands.
Screenshot of the black and white desktop of a 1980s graphical workstation environment. The desktop has a gray background pattern and some windows with a white background and a title bar with white text on a black background. The main window shows the main menu of the WordStar word processor for CP/M.
Screenshot of the black and white desktop of a 1980s graphical workstation environment. The desktop has a gray background pattern and some windows with a white background and a title bar with white text on a black background. The main window shows the main menu of Turbo Pascal Pascal development environment for CP/M.
#cpm#interlisp#retrocomputing
Apr 01, 2024, 11:36 AM·Public
19boosts·57favorites
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Paolo Amoroso

👆 So, concerning that "CP/M subsystem" I posted about on April's fool day.

It's not a native Lisp component of Medley Interlisp from back in the day but a modern CP/M emulator written in C, see the link. It runs in a Linux shell on the host system accessed from Medley's own VT100 terminal emulator "Chat", which is what you see in the screenshots.

github.com/jhallen/cpm

GitHubGitHub - jhallen/cpm: Run CP/M commands in Linux/Cygwin with this Z80 / BDOS / ADM-3A emulator.Run CP/M commands in Linux/Cygwin with this Z80 / BDOS / ADM-3A emulator. - jhallen/cpm
#cpm#interlisp#retrocomputing
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Michael Engel

@amoroso So this is a Z80 emulator written in Lisp? Nice find!

Quiet public
Paolo Amoroso

@me_ It might not be written in Lisp 😉

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Paolo Amoroso

@me_ You C, it might be something more mundane...

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Paolo Amoroso

@RL_Dane Me too, it's a delight to view and use.

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R. L. Dane :debian: :openbsd:

@amoroso

I've never seen a mono interface at 1080p before! 😁

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