Re: Detecting DPMI

Michal Tyc <[email protected]> Fri, 18 Oct 2002 10:30:27 +0200

Newsgroups	gmane.os.freedos.devel,gmane.spam.detected
Organization	BTTR Software
Message-ID	<[email protected]>

Hi!

> I am trying to detect DPMI from a realmode program, by calling int31h,
> ah=0400h, checking Carry.

INT 31h is _protected_ mode interface.
It cannot be called from real mode.
To use INT 31h functions, you have to switch to protected mode first.

Hope this helps.

Michal

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