From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stuart Axon Subject: Re: hooking int 21? Date: 26 Jan 2003 23:39:26 +0000 Sender: linux-msdos-owner@vger.kernel.org Message-ID: <1043624366.4966.28.camel@mauve.local> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii" To: Bart Oldeman Cc: dosemu mailing list Thanks, discovered the can_revector_int21 too, which seemed to help... Now tho, can't seem to return a cleared carry flag: if I temporarily put ds_printf("CF=%x\n",REG(eflags)&&CF); in int21() after my function call I can see CF=0 so it's still clear, but by the time it gets back to dos its set, is there anything I need to be aware of in order to preserve CF? On Sun, 2003-01-26 at 23:07, Bart Oldeman wrote: > On 26 Jan 2003, Stuart Axon wrote: > > > Hello, I want to handle a function of int21 in dosemu, but can't see > > where to put the code; int21() in int.c is only for when debugging... > > but I can't see where for normal execution..? > > Yes, int21() only traps in DOSEMU for debugging, and some hooks > for the redirector. Everything else is handled by the DOS you're running > in DOSEMU. > > But of course you can do what you like in int21() or ms_dos() for that > matter. > > Bart > > - > To unsubscribe from this list: send the line "unsubscribe linux-msdos" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html