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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.misc
Subject: Re: How do you poll the carrier-detect pin on the serial port?
Message-ID: <1990Jul23.144418.29652@eng.umd.edu>
Date: 23 Jul 90 14:44:18 GMT
References: <1990Jul20.063316.26720@portia.Stanford.EDU>
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Organization: College of Engineering, Maryversity of Uniland, College Park
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Reading GPi can only be done by reading the SCC directly at SCCRBase plus
aCtl for port a or bCtl for port B.  Sorry, I don't know the bit number for
enabling DCD interrupts or for reading DCD.
HEY APPLE:  How about a trap for these things.  And I DONT mean the Comm
Toolbox!  Having to purchase parts of the system separately is for MicroSloth
and IBM.
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?
		Hey!  Bush has NO LIPS!