Re: A85: asm question

To: assembly-85@lists.ticalc.org
Subject: Re: A85: asm question
From: mgp4007@omega.uta.edu (Michael Pearce)
Date: Mon, 10 Nov 1997 13:44:49 GMT
In-Reply-To: <19971110.203244.4774.1.egillespie@juno.com>
References: <19971110.203244.4774.1.egillespie@juno.com>
Reply-To: assembly-85@lists.ticalc.org

On Mon, 10 Nov 1997 20:31:12 -0500, you wrote:

>what would everyone agree upon as the most efficient method of performing
>this operation:
>
>a = a - 7     (Where a = the register a)
>
>Wyrmlord
>egillespie@juno.com
>

I would have to imagine that "sub 7" would be.  I takes 7 clocks.
This is the same amount of time that it would take just to load a 7
into a register, if that is the other way you are thinking of doing
it.  so "ld b,7 \ sub b" would take 7 + 4 clocks and one more byte.

-mike pearce
mgp4007@omega.uta.edu

References:

A85: asm question

From: egillespie@juno.com (Erik L Gillespie)

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