Path: utzoo!attcan!uunet!lll-winken!lll-tis!ames!mailrus!uwmcsd1!nic.MR.NET!umn-cs!mmm!dicome!plate
From: plate@dicome.UUCP (Douglas B. Plate )
Newsgroups: comp.sys.apple
Subject: Apple Kermit
Keywords: found the missing 4 bytes
Message-ID: <131@dicome.UUCP>
Date: 15 Aug 88 21:57:23 GMT
Organization: SERC * Dicomed, Inc., Burnsville, MN
Lines: 19

A few days ago I posted an article descibing
a "problem" I was having with my kermit ver. 3.73.
Over the weekend, I discovered the answer to this.
The first four bytes of a binary file are the loading
address and the length of the file.  Kermit expects these
to be there already when it receives a file and saves it to a
DOS 3.3 binary file.  It also sends these bytes out with the data.
It does make sense, since most of the binary data transferred to
an Apple/kermit will be binary data from another Apple/kermit and
will have these bytes.  The stuff I was downloading, however, was 
YAMAHA DX7 system exclusive data and could have originated from
any variety of PC that has MIDI.  The way I got around this problem
was to prepend the file with 4 "dummy" bytes on the vax side,
download and then use a sector editor to change these bytes to the 
correct values.  It was a lot to go through, but I did learn a few
things.  Thanks to those of you who took the time to reply, I would have
mailed to you directly, but our mailer doesn't seem to be able to
find you (old map).  

		Doug Plate