Message-ID:	<000201c05e3b$3e302d40$954bdcc8@alain-nb>
From:	"Alain" <alainm AT pobox DOT com>
To:	"Open Dos" <opendos AT delorie DOT com>, "FreeDos List" <fd-dev AT topica DOT com>
Subject:	Re: [fd-dev] Xon/Xoff
Date:	Mon, 4 Dec 2000 18:07:48 -0200
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Reply-To:	opendos AT delorie DOT com

thanks Michael for your answer, but it is not for that use.

Yes it is for for control: when the receiveng unit has its buffer
almost full, it sends a Xoff (^S) and the sendig device stops
transmitting untill it receives a Xon (^X) to resume. It is mostly
used for serial printers. It is sometimes used for modems
but it gets very complicated in full duplex comunications.
The driver I have was intended for PRINTERS... it can be
use with COM 1 to 4.

As for the keyboard, it already has this: if you hit <Ctrl-S>
it works just as the <Pause> key !  :)

Alain

>Simple flow control using two control characters - ^S (stop) and ^X
>(continue) IIRC. Pretty good for stopping a DIR or something like that
so you
>have a chance to see what the directory does contain - provided, of
course,
>you have time to hit the keys.
>
>Michael Kjörling
>
>> >Does anyone care about a small TSR that implements
>> >Xon/Xoff protocol in DOS in Int14?
>>
>>What does this protocol?

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