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From: jmg@cernvax.UUCP (jmg)
Newsgroups: net.micro.cbm
Subject: Terminal Emulation, RS232C, V.23 1200/75 speed
Message-ID: <144@cernvax.UUCP>
Date: Thu, 28-Mar-85 18:18:10 EST
Article-I.D.: cernvax.144
Posted: Thu Mar 28 18:18:10 1985
Date-Received: Sat, 6-Apr-85 01:41:56 EST
Reply-To: jmg@cernvax.UUCP (Mike Gerard, DD Division, CERN.)
Organization: CERN, Geneva/Switzerland
Lines: 16
Keywords: RS232,V23,Modem

I am busy making my 64 work as a terminal. Have got the PLUS/TERM of the
February edition of Compute! working, together with SCREEN.80 (how the
hell do I customise the character set?). I hope to get Kermit working soon.
NOW:
Here in little old Europe we got lotsa cheap modems running the V.23
1200/75 full duplex (1200 baud recieve, 75 baud send on the auxiliary
channel). I think it is possible to get this working on 64s (!) but I do
not know how. The channel open command requires setting the desired speed:
lots of options, but always the same in two directions.
SO:
Has anyone done what I want to do? If so, how? Must I (can I) open two
simultaneous channels at different speeds? Must I close and reopen each
time that I want to send? Are there mysterious extra options to RS232 open
commands? Strange locations to be plugged? Might it all work anyway if I
say 1200 baud?
C64 RS232 Wizards, please help.