Re: Re: A86: FindPixel

To: assembly-86@lists.ticalc.org
Subject: Re: Re: A86: FindPixel
From: Dan Eble <eble@cis.ohio-state.edu>
Date: Wed, 6 May 1998 20:36:52 -0400 (EDT)
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <003801bd7946$86f1b120$c5f3ffd0@matt>
Reply-To: assembly-86@lists.ticalc.org

On Wed, 6 May 1998, Matt2000 wrote:

> One use for parity is to check if BC = 0 on Z80 insructions that move blocks
> of memory, ldir, ldi, etc.
> 

No, that would be the zero flag.

The main use for parity is to detect transmission errors (like through a
serial link).  It's the same concept as a checksum.

--------
Dan Eble (mailto:eble@cis.ohio-state.edu)
         (http://www.cis.ohio-state.edu/~eble)

"Behold, how great a matter a little fire kindleth!" -- James 3:5

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