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Ask HN: Who's still keeping a DOS machine up because the business depends on it?

297 points · 304 comments · mlaux

  1. sgerenser · · focus · HN ↗
    Does the idea make use of <a href="https:&#x2F;&#x2F;86box.net" rel="nofollow">https:&#x2F;&#x2F;86box.net? Just heard of this recently on hn and it seems promising for anything that requires low level&#x2F;cycle accurate emulation vs. your typical high level emulator.
    1. mlaux · · focus · HN ↗
      My idea is a DOS emulator with a really thorough log of every DOS interrupt called and I&#x2F;O port interacted with. This could then be used to automatically, say, insert rows into a sqlite table when the DOS app updates a .DBF file, or forward GPIB data to a modern USB adapter. I wanted to avoid low level&#x2F;cycle-accurate emulation as much as possible, only adding quirks as needed to support the most popular business application suites.
    2. Felger · · focus · HN ↗
      It should work with Siemens MPI&#x2F;PPI interfaces, but I predict issues with ex-Telemecanique (now Schneider Electric) unitelway realtime DOS driver which is extremely picky.
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