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From: | Fabrice ILPONSE <fabrice AT trash DOT lip6 DOT fr> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Vesa and DJGPP |
Date: | Tue, 20 Jan 1998 14:29:23 +0100 |
Organization: | Universites Paris VI/Paris VII - France |
Lines: | 24 |
Message-ID: | <34C4A6B3.6863@trash.lip6.fr> |
References: | <34C442EE DOT 432CB2A4 AT gold DOT com DOT br> |
NNTP-Posting-Host: | asim.lip6.fr |
Mime-Version: | 1.0 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Sérgio Vale e Pace wrote: > > Can Somebody out there tell me... > which is the fastest way to do bank switching under Vesa 1.X > implementations in protected mode? > The interrupt call is the easier but in real mode look like direct > call is faster, but how I can use direct call in protected mode and it's > still faster? > > Sérgio Vale e Pace You can't!!! The problem is that the vesa 1.2 routine returns with a 16:16 return adress when the djgpp code "segement" is 32bits and the selector 16 bits so a far ret of 16:32. -- ^ ^ ^ | | | +-+-+ Fabrice ILPONSE | <fabrice AT asim DOT lip6 DOT fr> | | -
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