Re: A86: Questions on Port 3, calc on, off, APD, etc

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Questions on Port 3, calc on, off, APD, etc
From: Dan Eble <eble@cis.ohio-state.edu>
Date: Fri, 29 May 1998 01:26:50 -0400 (EDT)
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <3.0.5.32.19980528234055.007d5da0@tfs.net>
Reply-To: assembly-86@lists.ticalc.org

On Thu, 28 May 1998, David Phillips wrote:

> I belive that a processor uses the same amount of power at all times when
> it is on.  By leaving an interrupt running in the background, you consume

Changes in processor state consume energy.  The halt instruction causes
the processor to stop changing state until the next interrupt occurs, so
the power drain is less during halt than during normal operation.

--------
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

References:

Re: A86: Questions on Port 3, calc on, off, APD, etc

From: David Phillips <electrum@tfs.net>

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