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Article #6441

Re: INFO-ATARI16 Digest V89 #727

#6441
From: David Small
Date: Sun, 03 Dec 1989 10:22
18 lines
1189 bytes
The referenced note asks why it's so difficult to make the Atari ST talk
Appletalk (now called Localtalk).

	Basically, the Atari doesn't have the needed chips built in. Apple
uses the SCC high-speed serial communications chip to drive Appletalk;
it's interrupt driven also. Atari's MFP tops out at 19,200 baud, if I 
recall correctly. Also, the VIA timer chip in the Mac appears to be in the
mix somewhere.

	So, it's a matter of adding several chips to the ST, a machine that
was not designed to have chips added to it (to be charitable). Then, it's
a matter of hooking up software wiring to th pseudo SCC, interrupts,
and so forth.

	That's the basic problem. Let me know if I need to explain further.

	- thanks, Dave / Gadgets
Technical Details
Message-ID: <14806@well.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!fernwood!apple!well!dsmall
References: <INFO-ATARI16-REQUEST@WSMR-SIMTEL20.ARMY.MIL> <8912010818.AA04783@ucbvax.Berkeley.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!fernwood!apple!well!dsmall
From: dsmall@well.UUCP (David Small)
Newsgroups: comp.sys.atari.st
Subject: Re: INFO-ATARI16 Digest V89 #727
Message-ID: <14806@well.UUCP>
Date: 3 Dec 89 10:22:26 GMT
References: <INFO-ATARI16-REQUEST@WSMR-SIMTEL20.ARMY.MIL> <8912010818.AA04783@ucbvax.Berkeley.EDU>
Reply-To: dsmall@well.UUCP (David Small)
Organization: Whole Earth 'Lectronic Link, Sausalito, CA
Lines: 18