Hans DickelMay 8, 2024
I saw the @thurrott post on MS-DOS 4 being open-sourced. Cool! Or so I thought. Until I looked at it. Assembly?! Less cool for me. It's totally impressive. It's real coding—like building a house with trees, nails, a hammer, and a saw. 💪 https://github.com/microsoft/MS-DOS/tree/main/v4.0
MS-DOS/v4.0 at main · microsoft/MS-DOS

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes - microsoft/MS-DOS

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Show threadPaul Thurrott
@recursivegeek What else could it have been written in? :)
May 9, 2024 at 12:31pmWeb
Show threadHans DickelMay 9, 2024
@thurrott Fair point! I thought it might have been in C, at least part of it. Even the tools were assembly (cold shutters thinking about masm now).