Date:	Sat, 21 Oct 2000 08:52:12 +0200
From:	"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender:	halo1 AT zahav DOT net DOT il
To:	"chimin" <chiminng AT hotmail DOT com>
Message-Id:	<3405-Sat21Oct2000085211+0300-eliz@is.elta.co.il>
X-Mailer:	Emacs 20.6 (via feedmail 8.3.emacs20_6 I) and Blat ver 1.8.5h
CC:	djgpp AT delorie DOT com
In-reply-to:	<39f111ec.0@news.tm.net.my> (chiminng@hotmail.com)
Subject:	Re: Calling Old Interrupt
References:	<39f111ec DOT 0 AT news DOT tm DOT net DOT my>
Reply-To:	djgpp AT delorie DOT com
Errors-To:	nobody AT delorie DOT com
X-Mailing-List:	djgpp AT delorie DOT com
X-Unsubscribes-To:	listserv AT delorie DOT com

> From: "chimin" <chiminng AT hotmail DOT com>
> Newsgroups: comp.os.msdos.djgpp
> Date: Sat, 21 Oct 2000 11:48:07 +0800
> 
> Interrupt start
> My code
> Call the old interrupt
> My code
> Interrupt end

I think you need to use inline assembly like this:

    __asm__ __volatile__ ("lcall %cs:*_old_int");

where `old_int' is the variable declared "__dpmi_paddr old int;",
in which you saved the old interrupt handler address.

- Raw text -