From:	"Alexei A. Frounze" <see_below AT the_messasge_body DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: far pointers
Date:	Sun, 11 Jun 2000 15:17:33 +0400
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Eli Zaretskii wrote:
> 
> On Sat, 10 Jun 2000, Alexei A. Frounze wrote:
> 
> > > V86 was invented because it allowed to use more than 640KB of memory,
> >
> > [sinp]
> >
> > 80286 has no V8086 mode although it has 16-bit PMode features. And thus it's
> > not capable to run any DOS program while CPU is in PMode. It must switch
> > mode. OTOH, 80386+ has V8086 and .... you know what.
> 
> i386 cannot run DOS while the CPU is in PM, either.  That's why we need
> __dpmi_int and friends.

Do you wanna say __dpmi_int has nothing about V86??? If host OS is Windows,
I agree. Windows emulates this in PMode. If host OS is DOS, DOS extender/
DPMI host switches to V86 to handle that request.

bye.
Alexei A. Frounze
-----------------------------------------
E-mail:   alexfru [AT] chat [DOT] ru
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