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000417_news@columbia.edu_Sat Dec 10 16:14:11 1994.msg
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From: ciaraldi@max.tiac.net (Michael Ciaraldi)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Flow Control in MS-DOS Kermit 3.14
Date: 10 Dec 1994 16:14:11 GMT
Organization: The Internet Access Company
Lines: 34
Message-Id: <3cck4j$cbs@sundog.tiac.net>
References: <1994Dec7.095922.34783@cc.usu.edu> <3c7enb$atf@sundog.tiac.net> <1994Dec9.201750.35072@cc.usu.edu>
Nntp-Posting-Host: max.tiac.net
Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <1994Dec9.201750.35072@cc.usu.edu> jrd@cc.usu.edu (Joe Doupnik) writes:
>In article <3c7enb$atf@sundog.tiac.net>, ciaraldi@max.tiac.net (Michael Ciaraldi) writes:
> In the user's manual is the keyboard verb \kholdscrn. That is
>equivalent to DEC's HoldScreen key.
Great. This may be just what I need. I'll try binding it to
the appropriate key.
>> On case 8, I asked because I was doing some tests on Kermit
>> last week and found what I thought was funny behavior.
>> I wired my PC to a Unix machine's serial port and used
>> another comm program on the Unix machine to talk to that port.
>> The Unix machine was set for no flow control.
>> I gave the command SET FLOW XON to the PC Kermit,
>> then did a TRANSMIT. The contents of the file started
>> appearing in the window on my Unix machine.
>> Then I hit a ^S on the Unix machine. The PC kept sending the file.
>> Shouldn't Kermit have stopped sending the file until
>> it received a ^Q?
> I have no idea what the Unix machine actually sent, if anything.
>Tell MS-DOS Kermit SET DEBUG ON and enter Connect mode to debug the
>Unix side. MSK should respond to the XOFF, and when it has something
>to send while blocked it will wait about 8-10 seconds before breaking
>through and sending (a deadlock prevention mechanism).
I'll try this and report back if there is a problem.
I have a tester on the serial line so I can tell if a character
got sent out the serial port or not.
Thanks for the details, Joe!
--Mike Ciaraldi
(now an even-more-satisfied Kermit user)