*updating* 8088's

[Randy Dawson]

> Date: Mon, 26 Nov 2007 23:35:00 +0000> From: ethan.dicks at usap.gov> To: cctalk at classiccmp.org> Subject: Re: *updating* 8088's> > On Mon, Nov 26, 2007 at 01:06:39PM -0800, Chuck Guzis wrote:> > On 26 Nov 2007 at 11:46, Brent Hilpert wrote:> > > > > What about the "Who are you" id message used on some teletype networks, so one could> > > confirm that you were talking to the desired recipient terminal? I believe the> > > ASCII control code 'ENQuiry' was originally intended for eliciting that message.> > > > Wasn't that just a perforated tape loop?> > Not in my ASR-33 - it's a "finned drum" - you break off the tabs to turn> ones to zeroes (or the other way 'round?) and when the terminal receives > the ENQ from the host, it spins the drums which "types" back the reply.> I forget how many character positions it has, but it's on the order of 12> to 16.> > Mine are both intact. I might consider encoding one if I had a spare,> but I never worked in an environment where I wanted my TTY identified. ;-)> > Perhaps some models of TTY did use a tape loop, but I can't place one that> did.> > -ethan> > -- > Ethan Dicks, A-333-S Current South Pole Weather at 26-Nov-2007 at 23:30 Z> South Pole Station> PSC 468 Box 400 Temp -25.6 F (-32.0 C) Windchill -48.3 F (-44.6 C)> APO AP 96598 Wind 9.2 kts Grid 9 Barometer 681.7 mb (10564 ft)> > Ethan.Dicks at usap.gov http://penguincentral.com/penguincentral.html
 
Didnt X-ON, X-OFF start and stop the tape reader?  If so you could have your tape loop end with X-OFF and it would stop itself.  Sending X-ON to the tty would start the tape loop....
 
Randy
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