DOS ain't dead - Bug in JEMM

Bug in JEMM (Developers)

posted by CandyMan, 15.02.2023, 17:38

Japheth, what do you think about JEMM storing and restoring the size of XBDA (first byte) when returning to realmode and FASTBOOT?
When I load JEMM, my BIOS uses XBDA to read from disk and clears the first byte of it. This only happens when VDS is enabled because with the NOVDS option this is not the case.

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Complete thread:

Bug in JEMM - CandyMan, 10.02.2023, 10:04
- Bug in JEMM - Japheth, 10.02.2023, 13:10
  - Bug in JEMM - Japheth, 11.02.2023, 03:37
    - Bug in JEMM - CandyMan, 15.02.2023, 17:38
      - Bug in JEMM - Japheth, 16.02.2023, 05:21
        Bug in JEMM - CandyMan, 16.02.2023, 12:07
        Bug in JEMM - CandyMan, 23.02.2023, 16:47
        Bug in JEMM - Japheth, 23.02.2023, 17:30