Re: A86: Serious Multiplication

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Serious Multiplication
From: Dux Gregis <assets@eden.rutgers.edu>
Date: Wed, 05 Aug 1998 21:15:05 -0600
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <3.0.5.32.19980805215307.00878840@tfs.net>
Reply-To: assembly-86@lists.ticalc.org


I didn't think of that until after I posted it :-)


David Phillips wrote:

> Nice routine, Dux!  One question, why did you call collect_de when there
> was a carry instead of jumping over it when there wasn't?  Wouldn't that
> save 18 t-states (16 if a relative jump), or am I missing something?
>
> At 05:01 PM 8/5/98 -0600, you wrote:
> >Here is a fast multiplication routine.  In its worst case, it runs
> >through the loop 8 times.  Multiply any h by any l and the result is
> >returned in de; this might be fast enough to drive ray-tracing :-)
> >
> >Attachment Converted: "C:\WINDOWS\DESKTOP\rpmult.asm"
> >
>
> --
> David Phillips
> mailto:electrum@tfs.net
> ICQ: 13811951
> AOL/AIM: electrum32

References:

Re: A86: Serious Multiplication

From: David Phillips <electrum@tfs.net>

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