DOS ain't dead - MSDOS 4.0

MSDOS 4.0 (Announce)

posted by roytam, 27.04.2024, 11:30

> > > I haven't yet determined whether it is the "European"
> > > version that supports NE executables. That's of
>
> > You have both. The regular 4.0 as well as the Multitasking/European
> MT-DOS.
>
> Can you point me to the source code for the latter?
>
> The source code in 4.0 is not the multitasking version - I
> can see in src/dos/exec.asm line 154:
>
> CMP AL,3 ; only 0, 1 or 3 are allowed
> JNA exec_check_2
>
> that it is non-multitasking, which would explain why I
> can't find any sign of "NE".
>
> Thanks. Paul.

v4.0-ozzie is the multitask one, but it doesn't come with everything.

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Complete thread:

MSDOS 4.0 - kerravon, 26.04.2024, 04:43 (Announce)
- MSDOS 4.0 - Guti, 26.04.2024, 14:06
  - MSDOS 4.0 - kerravon, 27.04.2024, 09:09
    - MSDOS 4.0 - roytam, 27.04.2024, 11:30
      - MSDOS 4.0 - kerravon, 27.04.2024, 15:25
        MSDOS 4.0 - kerravon, 27.04.2024, 15:53
- MSDOS 4.0 - Oso2k, 26.04.2024, 15:38
- MSDOS 4.0 - roytam, 26.04.2024, 17:05
  - MSDOS 4.0 - Japheth, 26.04.2024, 17:34
    - MSDOS 4.0 - RayeR, 27.04.2024, 03:05
      - MSDOS 4.0 - kerravon, 27.04.2024, 09:02
        MSDOS 4.0 - kerravon, 29.04.2024, 10:10
        MSDOS 4.0 - kerravon, 30.04.2024, 06:27
        MSDOS 4.0 - kerravon, 30.04.2024, 08:19
        MSDOS 4.0 - Rugxulo, 30.04.2024, 13:36
    - MSDOS 4.0 - Ringding, 01.05.2024, 13:34
      - MSDOS 4.0 - rr, 01.05.2024, 14:37
        MSDOS 4.0 - kerravon, 29.04.2025, 06:34
        MSDOS 4.0 - kerravon, 29.04.2025, 08:14
        MSDOS 4.0 - kerravon, 29.04.2025, 08:47
        MSDOS 4.0 - ecm, 29.04.2025, 09:50
        MSDOS 4.0 - kerravon, 29.04.2025, 10:40
        MSDOS 4.0 - ecm, 29.04.2025, 11:07
        MSDOS 4.0 - kerravon, 29.04.2025, 11:50
        MSDOS 4.0 -- MASM as standard - Rugxulo, 29.04.2025, 20:40
        MSDOS 4.0 -- MASM as standard - kerravon, 29.04.2025, 21:43
        MSDOS 4.0 -- MASM as standard - Rugxulo, 30.04.2025, 10:55
        MSDOS 4.0 -- MASM as standard - kerravon, 30.04.2025, 16:17
        MASM as standard, fixmem example - ecm, 01.05.2025, 12:24
        MASM as standard, fixmem example - Japheth, 02.05.2025, 16:10
        MASM as standard, fixmem example - bretjohn, 02.05.2025, 17:09
        MASM as standard, fixmem example - Rugxulo, 07.05.2025, 03:23
        MASM as standard, fixmem example - Rugxulo, 07.05.2025, 03:05
- MSDOS 4.0 - rr, 26.04.2024, 22:00
- MSDOS 4.0 - usotsuki, 30.04.2024, 17:41
  - MSDOS 4.0 - tom, 30.04.2024, 19:14
    - MSDOS 4.0 - usotsuki, 30.04.2024, 19:46
- MSDOS 4.0 - boeckmann, 30.04.2024, 21:03