Re: A86: 16-bit Rotations

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: 16-bit Rotations
From: "Steve W" <comfortably_numb_@hotmail.com>
Date: Thu, 21 Sep 2000 20:28:48 -0500
Disposition-Notification-To: "Steve W" <comfortably_numb_@hotmail.com>
References: <4c.a8c92ee.26f935c4@aol.com> <p04320400b5f056a446ca@[209.245.167.142]>
Reply-To: assembly-86@lists.ticalc.org


the c stands for carry

> 
> 
> Wow, you guys could probably teach me a couple things about having
> optimized code. However I am curious as to the naming convention. I
> do know it is Rotation Left/Right <Something> HL, but why the 'C'? Is
> it because it is accessed using call instead of jmp or jsr?
> 
> 
> >Presuming you mean bit not byte...
> >
> >rlc_hl:
> >   add hl,hl
> >   ret nc
> >   inc l
> >   ret
> >
> >rrc_hl:
> >   ld a,h
> >   rra
> >   rr l
> >   rr h
> >   ret
> --
> ----
> "Science describes how our universe reacts in a mathematical
> representation of it, but can be described in regular terms. These
> terms seem to infringe on Religion's role of describing the creation,
> and once Science finds a clue to the creation, Religion declares
> Science a heretic. Religion scolds Science, telling it to stick to
> doing what it does best. To this, Science laughs and complies, going
> after the creation once again. Wouldn't it be fair to listen to the
> fact that these humans could have been a product of the Creator just
> as we are, Borak?" - Cyander, Day for the Xenith: Xenith Dawn
> 
> _________________________________________________________
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> Get your free @yahoo.com address at http://mail.yahoo.com
> 
> 
>

References:

Re: A86: 16-bit Rotations

From: ComAsYuAre@aol.com

Re: A86: 16-bit Rotations

From: Adam Thayer <krevinek@yahoo.com>