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000175_news@columbia.edu_Fri Nov 18 01:12:51 1994.msg
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From: moss@tti.com (Les Moss)
Subject: Re: source for Zmodem specs?
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References: <CzF5so.9qK@aplcenmp.apl.jhu.edu>
Date: Fri, 18 Nov 1994 01:12:51 GMT
Xref: news.columbia.edu comp.protocols.kermit.misc:1119 comp.protocols.misc:3839
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In article <CzF5so.9qK@aplcenmp.apl.jhu.edu> ennisj@aplcenmp.apl.jhu.edu (Jay Ennis) writes:
>Does anyone know where I might find a specification for Zmodem? Is it even
>written down?
I don't believe there is one (Nothing like the Kermit Protocol Manual, for
example). Most people implement it by porting the public domain code by
Forsberg available on many FTP sites. You will find some written stuff by
Forsberg at those same sites, but it is not complete, you still need to read
the code. Thats all I found for my implementation (written from scratch for
non-C environment).
Tim Kientzle (kientzle@netcom.com) is currently writing a book which should
be a complete ZModem spec. Hopefully, that will be available soon. (I
reviewed an early version of his spec and it sure would have helped me if I
had had it in the beginning of my implementation.)