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Path: utzoo!watmath!clyde!rutgers!ames!ucbcad!ucbvax!ULKYVX.BITNET!LMLARS01
From: LMLARS01@ULKYVX.BITNET.UUCP
Newsgroups: comp.sys.apple
Subject: AE+Xmodem
Message-ID: <8702161112.aa09033@SPARK.BRL.ARPA>
Date: Mon, 16-Feb-87 10:12:00 EST
Article-I.D.: SPARK.8702161112.aa09033
Posted: Mon Feb 16 10:12:00 1987
Date-Received: Sun, 22-Feb-87 05:45:00 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: University of Louisville
Lines: 15


 
>Does anyone know if xmodem in AE Pro works for sure?  The multics system
>I talk to just installed what it advertizes is an xmodem file transfer
>utility.  Can't get it to work -- none of the checksums match, either
>sending or receiving.  Multics is sending the text properly, at least:
 
Your problem is probably the fact that AE Pro uses the older form of block
error checking in which all the bytes are just XORed.  The newer Xmodems
use what is called a CCITT polynomial checksum.  Time is catching up on
AE Pro.
 
                                                        Lee Larson
                                                      U of Louisville