[GreenKeys] USB-teletype (current loop) Adapters available

[epvgk at limpoc.com]

Yay! This is great to hear. I'm happy to try some fiddling around with the
firmware to see if we can come up with better break processing, too. I just
wanted to get them shipped with the v1.00 firmware with all the basic 
functionality in place rather than delaying... 

eric

On Mon, May 02, 2016 at 06:30:50PM -0700, Rick Bensene wrote:
> I've been horribly remiss...I got one of the prototype CL adapter boards
> from Eric some time ago,  and finally got it all wired up and tried out
> over this past weekend.  Work pressures combined with the fact that the
> weather has finally turned somewhat decent around here (which means the
> Honey Do list is large) has made time to tinker difficult to come by
> lately.
> 
> Bottom line:  It works  beautifully.  My 33ASR loves it.      
> 
> I did some tinkering with the mods to simh to get it to talk to a "fake"
> tty port via USB under Linux, and got HP 2000/Access Timeshared Basic
> running over the USB adapter to the Teletype.    Though BREAK processing
> is difficult in this realm (mods may be able to be made to SimH to
> recognize the BREAK signal from the gizmo, but that is a low priority
> for another time), everything else works just as well as it does when I
> use my Current Loop to RS-232 adapter to plug the 33ASR into a real
> serial port on the Linux machine.
> 
> Eric has done a fantastic job with this little gizmo!  
> 
> -Rick
> 
> --
> Rick Bensene
> The Old Calculator Museum
> http://oldcalculatormuseum.com