Date: Thu, 27 Apr 1995 03:55:31 -0300 (ADT)
From: Bill Davidson <bdavidson AT ra DOT isisnet DOT com>
Subject: Re: your mail
To: Neville B Dastur <nbd54 AT miranda DOT umds DOT ac DOT uk>
Cc: Mailing list DJGPP <djgpp AT sun DOT soe DOT clarkson DOT edu>



On Wed, 26 Apr 1995, Neville B Dastur wrote:

> Some time soon, I'm going to start writting a program that needs to 
> interface with one of the Crynwr packet drivers. Also recently I have 
> been reading about interupts being lost because of the handler being set 
> up in real mode. Would this mean that a packetdriver that has been pre 
> loaded, presumibly only into a real mode handler, woudld lose packets, 
> due to lost interupts?? And of course if so what can I do about it?

I think you have it backwards.  Hardware interrupts can be lost (in 
non-DPMI mode) if you _don't_ have a real-mode handler.
I assume that the packet-driver interface is via software interrupts; you 
will probably do fine with _only_ real-mode interrupts.

Bill Davidson
bdavidson AT ra DOT isisnet DOT com