Date:	Mon, 27 Mar 2000 06:17:50 +0500
Message-Id:	<200003270117.GAA00822@midpec.com>
From:	tr AT midpec DOT com (Prashant TR)
To:	djgpp AT delorie DOT com
In-reply-to:	<38de0287$0$82788@SSP1NO17.highway.telekom.at> (dos.fire@aon.at)
Subject:	Re: VCPI
References:	<38de0287$0$82788 AT SSP1NO17 DOT highway DOT telekom DOT at>
Reply-To:	djgpp AT delorie DOT com
Errors-To:	dj-admin AT delorie DOT com
X-Mailing-List:	djgpp AT delorie DOT com
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"Florian X" <dos DOT fire AT aon DOT at> proclaimed:

> What is VCPI? I think something like a DOS extender?

Close. But it's not a DOS extender, it is something like DPMI. It provides
some functions (ex: to allocate 4K pages) for the user programs. But unlike
in DPMI where you have to run at the PL granted by the host, in VCPI you can
run at any PL that you like (even PL0) [PL = Privilege level]. Have a look
at INT 67H in the Ralf Brown's interrupt list. VCPI calls are mentioned
there.

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