Re: A86: 16-bit Rotations

To: assembly-86@lists.ticalc.org
Subject: Re: A86: 16-bit Rotations
From: ComAsYuAre@aol.com
Date: Fri, 22 Sep 2000 14:29:33 EDT
Reply-To: assembly-86@lists.ticalc.org

In a message dated 9/22/00 2:32:26 AM Eastern Daylight Time, 
rabidcow@juno.com writes:

> i always thought it was carry, which seems completely backwards.
>  rr & rl rotate through/including carry, while rrc & rlc don't
>  circular makes more sense to me (except that technically, neither is
>  circular...)

According to Rodnay Zaks's book:

RLC r           Rotate register r left with branch carry.
RL s            Rotate left through carry operand s.

It could be ZiLOG arbitrarily added a letter just to have some way to 
differentiate between the two instructions... :-)

----
Jonah Cohen
<ComAsYuAre@aol.com>
http://jonah.ticalc.org

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