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Path: utzoo!henry
From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.arch,net.micro.mac,net.micro.68k
Subject: Re: timing loops, summary and proposal
Message-ID: <6446@utzoo.UUCP>
Date: Sat, 1-Mar-86 20:55:20 EST
Article-I.D.: utzoo.6446
Posted: Sat Mar  1 20:55:20 1986
Date-Received: Sat, 1-Mar-86 20:55:20 EST
References: <156@motatl.UUCP> <530@hoptoad.uucp> <2795@amdahl.UUCP> <650@oakhill.UUCP>, <560@hoptoad.uucp>
Organization: U of Toronto Zoology
Lines: 11

> ...  For example, in a Mac, the UART could be
> set for 9600 baud and a character output in loopback mode.  1/960 second
> later, the output will be done.  This will work no matter how you've souped
> up the processor, since nobody is going to skew the baud rates.

"What, nobody?"  "Well, almost nobody..."  Ask Apple about using a 1200-baud
modem with the original Apple IIc!  (Yes, I realize that (a) the skew wasn't
really enough to foul up your scheme badly, and (b) your idea has merit.)
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry