Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!spool.mu.edu!uunet!mcsun!hp4nl!ruuinf!praxis!hnridder From: hnridder@cs.ruu.nl (Ernst de Ridder) Newsgroups: comp.binaries.ibm.pc.d Subject: Re: ^P and the BIOS Message-ID: <4805@ruuinf.cs.ruu.nl> Date: 7 Feb 91 16:37:42 GMT References: <2034@odin.cs.hw.ac.uk> <40486@genrad.UUCP> Sender: news@ruuinf.cs.ruu.nl Lines: 15 In roeve@cip-s01.informatik.rwth-aachen.de (Michael Roevenich) writes: >Unfortunately, you're not quite right. I wrote a keyboard driver some time ago >and did some snooping in the way KEYB handles certain Controls. Some keypresses >are directly handled by the INT9-driver, which means, they are transferred >directly to the BIOS. These are PrtScr, Pause, some others (I can't remember >at the moment all of them), and Ctrl-P, which initiates Printer-Echoing. ^^^^^^ >Michael Roevenich I must say, I'm curious about the kind of BIOS in your coomputer. On all PC's I know this is handled by DOS ( int 21h services) as it should be, according to the documentation I've got. CU Ernst de Ridder