On 15 Sep 1997, TENCC01.LEWIS01 wrote:
> My experience is with hp terminals using enq-ack protocol. When you
> send stuff to one of the "devices" (screen, printer port, mini-tape,
> etc.)
(does each of those terminals have that lot of ports?)
> the keyboard gets locked for the duration of that transfer.
> Usually, this is not very long. If the line is fast, you don't have
> much time to do anything between transfers.
Yes, apart from what's been added on the topic... draw open, change being
done, nothing but wait for the receipt to give away.
> The program I wrote used
> binary transfers so we could dump raster graphics to the terminal
> printer.
[snip]
> If you limit the data to simple ascii print, you have a much better
> chance. If the stuff you write is really short (less than 2k) then the
> time you can't type is going to be pretty short.
(I suppose it would really just be simple ascii print.)
> You have to know a *LOT* about the terminal
> you are going to use. There are always some tricks that you have to
> learn that aren't in the manuals. (These days, there isn't much in
> manuals anyway.)
>
> jim lewis
Mmmmm, about those Wyse terminals, I really hope the job could be done
with just the documented control codes :-)
Thank you so much for nice info.
Nicola Bernardelli <[EMAIL PROTECTED]>
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