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From: W8SDZ@Simtel20.ARPA
Newsgroups: net.micro.cpm
Subject: New MX-SM13A overlay for MEX/Anchor XXII modem
Message-ID: <13317@sri-arpa.UUCP>
Date: Sat, 8-Sep-84 23:15:00 EDT
Article-I.D.: sri-arpa.13317
Posted: Sat Sep  8 23:15:00 1984
Date-Received: Sun, 16-Sep-84 09:48:08 EDT
Lines: 25

From:  Keith Petersen <W8SDZ@Simtel20.ARPA>

MX-SM13A.ASM for MEX is now available from SIMTEL20:

	Filename		Type	 Bytes	 CRC

MICRO:<CPM.MEX>
	MX-SM13A.ASM.1		ASCII	  9335  1E83H

The author of this update explains his changes in a message to Ron
Fowler:

Msg 132 is 12 line(s) on 09/08/84 from BOB SANDEL
to RON FOWLER about MODIFIED SM-13 TO STOP HANGUPS

Ron, Although the SM-13 overlay worked quite well for me with MEX10,
I started experiencing a lot of Anchor XII hangups when I implemented
MEX111.  Seems like MEX111 is too fast to allow a proper disconnect of
the Anchor.  I experimented and have U/L MX-SM13A (A for Anchor) which
has added 3 CALLs to DISCON before turning control back to MEX111.
Seems to works a lot better for me---let's see how others do with the
alteration.  I speeded up the DISCON times to 1.2 seconds from 2.0
seconds.  Still having some difficulty recogninzing a Control C when
in the auto-repeat dial mode.  Currently only about 50% effective.
Thx for a powerful modem executive. Bob