Re: A85: asm question

To: assembly-85@lists.ticalc.org
Subject: Re: A85: asm question
From: mgp4007@omega.uta.edu (Michael Pearce)
Date: Tue, 11 Nov 1997 13:57:35 GMT
In-Reply-To: <Pine.SGI.3.95.971111073954.1807H-100000@vangogh.bergen.org>
References: <Pine.SGI.3.95.971111073954.1807H-100000@vangogh.bergen.org>
Reply-To: assembly-85@lists.ticalc.org

On Tue, 11 Nov 1997 07:40:23 -0500 (EST), you wrote:

>> what would everyone agree upon as the most efficient method of performing
>> this operation:
>> 
>> a = a - 7     (Where a = the register a)
>
>  add a, $F9
>
>
>___Dan_Knapp____The_Mauve_Baron______________________Beep Blip Bonk_______
><dankna@bergen.org><dankna@brain.mics.net> http://users.bergen.org/~dankna
>Visit rec.games.video.classic and find out about Pac-Man's contemporaries!
>Great minds think differently.
>
>

How is that any more efficient than using the sub instruction?  it's
still 7 clocks and 2 bytes.



-mike pearce
mgp4007@omega.uta.edu

References:

Re: A85: asm question

From: "A.K.A. TheWiz" <dankna@bergen.org>