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From: kondaman@aludra.usc.edu (Arjun Krishna Kondamani)
Newsgroups: comp.os.msdos.programmer,alt.msdos.programmer
Subject: Re: Microsoft C & serial comms
Summary: function 33H and BREAK command
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Date: 13 Aug 90 17:21:14 GMT
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In article <990@dcl-vitus.comp.lancs.ac.uk> se@comp.lancs.ac.uk (Steve Elliott) writes:
>I'd like some advice/help on the above topic.
>Specifically, I'm trying to program a card reader through
>COM1 with a Microsoft C (v5.1) program.
>To initialise the lock, the docs state that "break level must be
>off more than 2 seconds".
>That's got me stumped. What is break level? Can I program it from C?
>If so, how?
>Thanks, 
>	Steve
You can use function 33H to turn on or off extensive chking for the
Break char (CTRL-C). Also, BREAK command. Usually, interrupt on 21H
and let the AX register know that you r using 33H.

I'm sure you can do this from your C program.

Arjun.


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