From:	Vik Heyndrickx <Vik DOT Heyndrickx AT rug DOT ac DOT be>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Asm routine returns
Date:	Mon, 06 Oct 1997 09:37:11 +0200
Organization:	University of Ghent, Belgium
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Message-ID:	<34389527.4D61@rug.ac.be>
References:	<EHLvAq DOT LqH AT nonexistent DOT com>
NNTP-Posting-Host:	eduserv1.rug.ac.be
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Sam Davies wrote:
 
> I
> modify SI, DI, BP, and DS, but I push and pop all these at the beginning
> and end...  Is there anything else that I could be screwing up in my
> routine that is causing this strange behavior?  I don't have to save the
> other general registers, do I?

I'm sure you have to preserve
si, di, bp, ds, es (and ofcourse cs:ip & ss:sp)

I think you have to preserve
bx

I don't think you have to preserve
ax, dx, cx

I'm sure you don't have to preserve (unless your program expects
otherwise)
fs, gs

-- 
+----------------+
| Vik Heyndrickx |
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