Re: Need help with MS-DOS 3.1 and COM1 device

Article View: comp.sys.ibm.pc

Article #15534

#15534

From: gervers
Date: Fri, 06 Feb 1987 21:30

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895 bytes


I had same problem using MSC v3, I used fopen and did fprint, etc.  It turns
out fopen("COM1:","w") returned NULL, so I abandoned this approach.  

Finally, I simply used INT 14Hto send char by char.  The Laserjet is running
fine now, but memory is definitely a problem.

gervers@utcs

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Message-ID: <1987Feb6.163015.22731@utcs.uucp>

Path: arc1-ca.pugleaf.net!utzoo!utcs!gervers

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!utcs!gervers
From: gervers@utcs.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Need help with MS-DOS 3.1 and COM1 device
Message-ID: <1987Feb6.163015.22731@utcs.uucp>
Date: Fri, 6-Feb-87 16:30:15 EST
Article-I.D.: utcs.1987Feb6.163015.22731
Posted: Fri Feb  6 16:30:15 1987
Date-Received: Sat, 7-Feb-87 01:36:37 EST
References: <3281@hplabs.hplabs.UUCP> <1342@kontron.UUCP>
Reply-To: gervers@utcs.UUCP (M. Gervers)
Organization: University of Toronto Computing Services, general purpose UNIX
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Checksum: 14177

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