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From: w8sdz%brl@sri-unix.UUCP
Newsgroups: net.micro.cpm
Subject: MDM7xx overlay for DEC CP/M-80 machines
Message-ID: <14984@sri-arpa.UUCP>
Date: Sun, 25-Dec-83 19:53:16 EST
Article-I.D.: sri-arpa.14984
Posted: Sun Dec 25 19:53:16 1983
Date-Received: Thu, 5-Jan-84 01:32:30 EST
Lines: 22

From:      Keith Petersen <w8sdz@brl>

Bernie Eiben has given us a new overlay for MDM7xx for 3 different DEC
machines that run CP/M-80.  It was announced earlier as a part of the
MDM7xx package available from SIMTEL20 in the MICRO:<CPM.MODEM7>
directory as M7VT-2.ASM, but I felt that additional information might be
of use to Info-Cpm readers.  Here's an excerpt from the message he sent
to me telling what he did.

---forwarded message---

From: B.Eiben LCG Ext 617-467-4431 <EIBEN at DEC-MARLBORO>
To: w8sdz at BRL
Subject: MODEM 714

Keith, I modified the VT180 overlay to be "general" in serving VT180 /
Rainbow / DECmate II , the three DEC-micro's currently able to run CP/M
and to "talk" to the outside world.  This overlay supersedes the M7VT-1
one - we have currently three BIOS-versions out in the field - and above
overlay would have necessitated heavy DDTing.  I re-defined EXTCHR to be
closer to KERMIT and redefined IGNORCTL to be able to run HOST-programs
which require Cursor-Control.