Sender: nate AT cartsys DOT com Message-ID: <371E3E97.126DC58B@cartsys.com> Date: Wed, 21 Apr 1999 14:09:43 -0700 From: Nate Eldredge X-Mailer: Mozilla 4.08 [en] (X11; I; Linux 2.2.5 i586) MIME-Version: 1.0 To: djgpp AT delorie DOT com Subject: Re: translation of an MSCDEX Real mode function into djgpp and dpmi's Pmode ? References: <7fkqpp$fo4$2 AT front6 DOT grolier DOT fr> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Reply-To: djgpp AT delorie DOT com Sacha Guyon wrote: > > I have a problem to translate a real mode function to djgpp and dmpi's > protected mode laws. > > I need to use the "MSCDEX Send Device Driver Request" function from int > 2Fh, with ax = 1510h, cx = cdrom letter [i have a variable CDROM > containing this number] , and [here is my problem] es:bx = adress of cdrom > device driver request header. > I need to know the real mode equivalent segment and offset of ptr , and i > didn't find it in the dpmi specs and djgpp docs. See FAQ section 18.2. -- Nate Eldredge nate AT cartsys DOT com