Path: utzoo!censor!geac!torsqnt!jarvis.csri.toronto.edu!rutgers!uwm.edu!cs.utexas.edu!uunet!iconsys.icon.com!ohs!bhil
From: bhil@ohs.UUCP (Brian T. Hill)
Newsgroups: comp.sys.handhelds
Subject: Re: Phone tones
Message-ID: <511@ohs.UUCP>
Date: 3 Mar 90 21:45:14 GMT
References: <51114@microsoft.UUCP>
Organization: Orem High School, Orem, Utah
Lines: 23

From article <51114@microsoft.UUCP>, by alonzo@microsoft.UUCP (Alonzo GARIEPY):
>
> I don't know if you saw my posting on this; I will send it under separate
> cover.

[ stuff deleted ]

> someone with more time than I have to experiment with this.  My posting 
> contained all the information you need to try this once you have some
> familiarity with hp28 machine code.  It includes sample machine code to 
> drive the beeper, the frequencies for touch tone dialing, and some 
> reasonable approximations to these frequencies.  I am told that this was 
> tried once at HP and given up as not worth too much effort.
> 
> alonzo

I'd like to see the original posting.  I must have missed it.  Please
e-mail to me the information.  I'm particularly interested in the machine
code driver for the speaker.

Thanks,

Brian T. Hill,   bhil@ohs.UUCP,   bhil!ohs@uunet.UU.NET