[GreenKeys] TTY driver software?

[Paul Birkel]

-----Original Message-----
From: greenkeys-bounces at mailman.qth.net
[mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Jim Haynes
Sent: Monday, April 09, 2018 9:46 PM
To: Roy Morgan
Cc: hwhall at compuserve.com; greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] TTY driver software?

I have an old laptop that I use for TTY testing.  There is a very old DOS
program named RTTY12G that was originally written to turn a PC into a
"glass teletype".  Old computers with Real COM ports can handle 45.45 baud
and 5-level code with no difficulty.

I formatted a floppy disk, which gives you a rudimentary DOS, and added
the RTTY12G program to it.  So when I boot from that floppy I've got a
DOS system running the program.  I also have it on a bootable CD ROM -
don't remember how I got it that way, but it is.  Trouble with that
is that you can't save anything to the CD, but works on computers that
don't boot from floppies.

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This one?  http://cd.textfiles.com/hamradio/rtty/rtty12g/zip/ 

          Version 1.2G

          10-04-1986

          Glenn E. Welman - KF4NB
          3301 Pastern Ct.
          Lexington, Ky 40513
          
          (C) Copyright Welman Software 1983, 1984, 1985, 1986

          INTRODUCTION

          This program runs on the IBM Personal Computer and
          interfaces to your Amateur Radio equipment through the
          Asynchronous Communications adapter.  I wrote the program
          to be as flexible as possible hoping that it will be
          useable with any Terminal Unit (TU) and radio combination.
          I have attempted to provide enough information to help you
          make your system operational.  The program will work on the
          IBM PCjr with one minor limitation which is explained
          further on in this document.  I suspect that the program
          will also work on the IBM Portable PC, most PC clones and
          possibly the IBM PC AT, even though I have not had the
          opportunity to test the program on those machines.

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