Article View: comp.os.msdos.programmer
Article #6157Re: SIMPLE assembly question...
From: Paul Rolland
Date: Tue, 22 Dec 1992 08:28
Date: Tue, 22 Dec 1992 08:28
18 lines
1070 bytes
1070 bytes
In article <gn#@byu.edu>, $dougn@sasb.byu.edu (Douglas R. Nebeker -
MIS_SAS) wrote:
>
> is there ANY difference between MOV ES,AX
>
> and PUSH AX
> POP ES
>
I think there are two major differences between the two forms :
- Execution time (only important if your program is time critical, and
this piece of code is inside a loop) : first solution is faster,
- the flags are set in the first case, but not in the second (well, I'm
not absolutely sure, but I really think so...)
Paul Rolland
A bug can be changed to a feature by documenting it. Developpers know !
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Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!apple!goofy!NewsWatcher!user From: rol@grasp1.univ-lyon1.fr (Paul Rolland) Newsgroups: comp.os.msdos.programmer Subject: Re: SIMPLE assembly question... Message-ID: <rol-221292092834@90.222.1.80> Date: 22 Dec 92 08:28:56 GMT References: <gn#@byu.edu> Sender: usenet@goofy.apple.COM Followup-To: comp.os.msdos.programmer Organization: Apple Computer Europe Lines: 18