[net.micro.cpm] File Xfer on DecMate

key%marlin@nosc.ARPA (Gerald S. Key) (03/20/85)

A colleague wants to transfer a file from the CP/M side of a Dec-
Mate  II  to a VAX running 4.2bsd Unix.  The VAX has UMODEM, XMO-
DEM, & KERMIT available.  He says he's tried MODEM730 &  MODEM740
he  got  from a BBS that are supposed to be configured for a Dec-
Mate II but cannot get them to work.  They work  OK  in  terminal
mode but will not transfer files correctly.

Any suggestions?

--Gerry 

     MILNET/ARPANET >-------------------- key@nosc.arpa

             ihnp4  \
             akgua   \
     UUCP    decvax   -------------!sdcsvax!noscvax!key
             dcdwest /
             ucbvax /

edelheit@MITRE.ARPA (03/21/85)

Gerry - We have been using various file transfer protocols on various host
machines and, so far, I am pretty impressed with Kermit.  If you can get 
your hands on the CP/M version, I think that you might find it pretty good.

If you can't find it locally, it can be FTP'ed from Columbia-20B.  Let me 
know if you need any help.

Jeff Edelheit
(edelheit at mitre)

LAMIA@DEC-MARLBORO.ARPA (Walt Lamia) (04/04/85)

I have done most of the work on the DECmate MODEM overlay, so perhaps I can
help.  You should first check the overlay file to see if it really is
a version that has the most recent DECmate code in it.  The problem is that
the 6120 (PDP-8) processor in the DECmate II handles all the I/O, and in
particular it grabs any XON/XOFF's (^S/^Q) and does its own flow control
without passing them on to the Z80.  It is possible, however, to command
the 6120 to not do this and pass thru everything.  This is what the overlay
does, in the initialization subroutine.  You should look at the source
code in the overlay that you have to see if that feature exists and is
enabled.  If you do not have the most recent overlay, which is called
something like M7VT-4 (or higher), you can get it from SIMTEL20 or 
DEC-MARLBORO.

Incidentally, I have noticed that MDM730 and higher running on 
DECmate's seem to have a problem with passing thru function key escape 
sequences, in particular the direction arrows.  I think it's some kind 
of timing problem, but I haven't pursued it.  I don't *think* it 
affects file transfer.  Personally, I always use Kermit.

%Walt

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