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Path: utzoo!linus!decvax!harpo!seismo!hao!hplabs!sri-unix!Chan.CST@hi-multics
From: Chan.CST%hi-multics@sri-unix.UUCP
Newsgroups: net.micro.cpm
Subject: buffer size in mdm716
Message-ID: <15418@sri-arpa.UUCP>
Date: Tue, 10-Jan-84 09:52:00 EST
Article-I.D.: sri-arpa.15418
Posted: Tue Jan 10 09:52:00 1984
Date-Received: Mon, 16-Jan-84 01:08:26 EST
Lines: 16

Could someone verify that the buffer size for receiving file while in
terminal mode is about 2K for mdm716 but it is about 16K for mdm715 and
before?  Why if it is true?  This is the result that i got using
identical overlay and procedure to generate the  .com files.

I have also observed some interesting phenomenon and would like to see
whether others are having similar problem.  I discovered that while
receiving data in terminal mode with a mainframe (I tried both Multics
and a Cyber -- same results), when the buffer is filled, mdm716 sent the
XOFF to the mainframe, but then several characters following the XOFF
would screw up.  The interesting part was that they were turned into
some sort of control characters, showing up when i used mince to look at
it, e.g. "a" became "~a", "7" became "~7" etc.  However, the file would
look correct when I used Wordstar to examine it, or just "type" it, or
send it back to the mainframe using the transmit mode in terminal mode.
Is there an explanation?