Re: A89: Stupid Question

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Stupid Question
From: Olle Hedman <oh@hem.passagen.se>
Date: Mon, 22 Feb 1999 13:51:37 +0100
Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: assembly-89@lists.ticalc.org
References: <19990222022042.456.rocketmail@send105.yahoomail.com> <36D0F1BD.98A38674@mindspring.com>
Reply-To: assembly-89@lists.ticalc.org

lea 10(a7),a7 means load effective address of the address stored in a7 plus 10
into a7.

you can use the construction xx(An) with a lot of instructions. it means always
"the address stored in An plus xx"

//Olle

Daniel Walls wrote:
> 
> Which is more efficient for cleaning up the stack...
> 
> add.l #10,a7
>       ..or..
> lea 10(a7),a7
> 
> and I know they both do the same thing,
> but how does lea(a7),a7 work?  I know what it does,
> but what does it mean?
> 
> Lazy way to 68k,
> - Daniel Walls
> flinn@mindspring.com

References:

A89: Help!! i am a beginner

From: Mike <cassetti@yahoo.com>

A89: Stupid Question

From: Daniel Walls <flinn@mindspring.com>