Date: Wed, 23 Nov 1994 08:00:06 -0500 (CDT)
From: Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU>
Subject: Re: Interrupts
To: trav AT clark DOT edu
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Organization: Rockhurst College; Kansas City, MO

>I can't seem to find an answer to my question in any documents I can 
>find, and no one on comp.os.msdos.programmer could help me, so this is my 
>last resort.
>
>If I need to call an interrupt that expects a segment:offset pair to be 
>in the registers, how do I do that in DJGPP?  Here's the things that I've 
>tried, with no success:

You need to allocate a real-mode transfer buffer.  Real-mode interrupts
can't access your protected-mode RAM.

--- Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu; finger for PGP public key) -=- httyp!
-=*=-Just because you're paranoid doesn't mean they aren't out to get you.-=*=-
Geek code 2.1 [finger hayden AT vax1 DOT mankato DOT msus DOT edu for explanation]: 
 GCS/M/S d(-) H s g+ p? !au a-- w+ v+ C++(+++)>++++ U-(S+)>++++ P+ L>++ 3(-) 
 E-(----) !N>++ K- W(--) M-(--) V(--) po-(--) Y+(++) t(+) !5 j R G tv--(-) 
 b+++ !D(--) B--(---) e>++++(*) u++(@) h!() f(+) r-(--)>+++ n+(-) y?