cpmish

An open source sort-of CP/M 2.2 distribution. (by davidgiven)

Cpmish Alternatives

Similar projects and alternatives to cpmish

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better cpmish alternative or higher similarity.

cpmish reviews and mentions

Posts with mentions or reviews of cpmish. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-12.
  • Found this guy sitting in my University’s ewaste room…
    1 project | /r/retrobattlestations | 13 Jun 2023
    If you don't find the original and want to do your own, let me gently plug https://github.com/davidgiven/cpmish as a turnkey CP/M build system? Some of the commands are a bit janky but it should be easier than rolling your own. There's a choice of the original DR BDOS and CCP or ZCPR3 and ZSDOS.
  • Teaching myself how to write CP/M assembly-language programs on my Japanese word processor.
    1 project | /r/retrocomputing | 29 Oct 2022
    I actually have a project where I'm trying to collect provably open source classic CP/M software and integrate it into a turnkey build system, at https://github.com/davidgiven/cpmish/tree/master/third_party. There's some tools there you might find useful, such as a Basic, about three text editors, a good debugger, a shitty Z80 assembler which I wrote (I have yet to find a classic one with a license attached), and a copy of Star Trek. It's aimed at producing bootable disks but as you already have a working system you won't want that, but you should be able to just pull the .COM files out (file a bug and I'll try and make that easier).
  • Picked this baby up for $25 today!
    1 project | /r/vintagecomputing | 23 Sep 2022
  • MS-DOS was *not* an illegal clone of CP/M
    1 project | news.ycombinator.com | 15 Aug 2022
    Huh. Lost my part-written comment somehow.

    Anyway, hi, author/submitter here.

    I have heard several versions of this story. Most seem to be unsubstantiated AFAICT.

    The one that seems to add up is that Dr Kildall claimed that only he knew why some DOS APIs took the exact parameters they did.

    Which ISTM is fair enough, if they were written using DR documentation. As I said, DR intended the API docs to be for app writers, but that didn't stop people using them to write compatible OSes, and lots of companies did.

    That's how come David Given's amazing CPMish OS was possible:

    https://github.com/davidgiven/cpmish

    CPMish combines existing BDOS and BIOS replacements and other components. It puts together so many existing replacement parts for parts of CP/M-80 that nothing of the original was left. Theseus' ship, in software:

    https://en.wikipedia.org/wiki/Ship_of_Theseus

    There was a code investigation that looked for any DR code in the early MS-DOS binaries:

  • Ask HN: Why are there not a lot of hobby/professional Linux phones?
    1 project | news.ycombinator.com | 24 Apr 2022
  • CP/M bringup on a Brother WP1 word processor
    3 projects | /r/retrobattlestations | 12 Mar 2022
    cpmish is actually mine. It's a proper open-source CP/M clone distribution I've been working on: https://cowlark.com/cpmish/ It's 'ish' because unfortunately Caldera's license for real CP/M has bugs in it and so I can't use any of it. This version's actually using ZCPR and ZSDOS.
  • Teardown of a Brother WP-1 Z80-based word processor from 1985
    1 project | /r/retrocomputing | 6 Mar 2022
    I do have CP/M ported to a few of these machines. https://cowlark.com/cpmish/
  • Before I had a computer...
    1 project | /r/retrocomputing | 28 Jan 2022
    I've done some reverse engineering on these, and have CP/M running on at least some of them! https://cowlark.com/cpmish/
  • 6502 vs. Z80
    1 project | /r/retrocomputing | 4 Nov 2021
    OTOH the Z80 will run CP/M, or an open source CP/M clone (I made one! http://cowlark.com/cpmish), which will give you access to a huge variety of ancient software which will work out-of-the-box --- excellent if you want a Cobol compiler or to use WordStar. Also, CP/M is pretty easy to port due to its modular design.
  • Build an 8-bit retro computer powered by a Z80 !
    1 project | /r/vintagecomputing | 1 Nov 2021
    http://cowlark.com/cpmish/ is a proper open-source CP/M clone which runs on the Z80. It's based on ZSDOS and ZCPR1, it's got a turnkey cross-compilation build system which builds everything (including utilities written in C which include an assembler, editor and interactive debugger, plus R.T.Russell's superb BBC Basic port) and spits out a disk image file. It contains no Digital Research code for licensing reasons. It's probably the easiest way to get a CP/M clone up and running on now hardware.
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Stats

Basic cpmish repo stats
15
330
8.6
3 months ago

davidgiven/cpmish is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.

The primary programming language of cpmish is Assembly.

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