Date: Sun, 7 Nov 1999 16:49:36 +0200 (IST) From: Eli Zaretskii X-Sender: eliz AT is To: djgpp AT delorie DOT com Subject: Re: Hooking Interrupt 0x80 In-Reply-To: <7vsc5f$kol$1@nntp1.atl.mindspring.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Thu, 4 Nov 1999 no DOT spam AT delorie DOT com wrote: > I'm trying to make an emulator program for DOS with DJGPP. I need > to reroute commands being sent to 0x80 to an image file. (e.g.: so > the user of the program doesn't format thier own hard drive instead > of the image file.) Interrupt 0x80? What is that interrupt used for? My references don't say anything about it. Is it a hardware interrupt or a software interrupt? The setup for hooking hardware and software interrupts in the DPMI environment is different.