From:	Jason Hood <jadoxa AT yahoo DOT com DOT au>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: AT&T inline asm in DJGPP...
Date:	Mon, 02 Dec 2002 12:13:52 +1000
Lines:	17
Message-ID:	<3DEAC1E0.27F7E16C@yahoo.com.au>
References:	<uuhr3lgi6qsc7f AT corp DOT supernews DOT com> <uuit0ko46e2k55 AT corp DOT supernews DOT com> <asd396$b6o$1 AT antares DOT lu DOT erisoft DOT se> <uukh53j0eco0f1 AT corp DOT supernews DOT com>
NNTP-Posting-Host:	roc-56k-064.tpgi.com.au (202.7.180.64)
Mime-Version:	1.0
X-Trace:	fu-berlin.de 1038795237 27615722 202.7.180.64 (16 [148584])
X-Mailer:	Mozilla 4.8 [en] (Win98; U)
X-Accept-Language:	en,pdf
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

lewi9908 wrote:
> 
>  and byte [edx], 0x0                   ;Check for Null char
>  jz short PrintDone
>  mov byte al, [edx]

I think you want something like:

mov byte al, [edx]
test al,al
jz short PrintDone

here. "and byte [edx], 0x0" is always going to set [edx] to zero.

Jason.

- Raw text -