🚀 go-pugleaf

In article <1992Dec17.230826.5577@midway.uchicago.edu> sip1@midway.uchicago.edu writes:
>In article <1992Dec14.180704.29564@wicat.com> kevin@wicat.com (Kevin Vigor) writes:
>>>   1.  Is there a way to detect if a programme is operation in OS/2 2.0's
>>>       dos box ?
>
>How about looking for an OS/2 2.x-specific file that will always be in
>the same location?

Like what?  Any file you can name will also be present if the user is
running straight DOS on a dual-boot machine.  All this can tell you is
whether or not OS/2 was installed.  It won't tell you if you're
running OS/2 or not.

The dos version number will tell you if you're running the emulator
(look for version 10 or greater, or call "ver" and note that it will
say "OS/2..."), but I can think of know way to tell a VMB from a
normal DOS boot.  Unless you want to play around with protected mode.

What about this:  Detect the CPU type.  If it's a 386, try to go into
protected mode.  If it fails, you're in a VMB - probably OS/2, but
Windows 3.1 may also cause this effect.  Of course, there are standard
ways to check if you're running Windows.

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