Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!ico!auto-trol!robwah
From: robwah@auto-trol.UUCP (Robert Wahl)
Newsgroups: comp.sys.ibm.pc
Subject: Re: key interception and translation
Keywords: keyboard translation
Message-ID: <182@auto-trol.UUCP>
Date: 9 Jun 89 20:47:00 GMT
References: <3127@ogccse.ogc.edu>
Reply-To: robwah@auto-trol.UUCP (Robert Wahl)
Distribution: usa
Organization: Auto-trol Technology, Denver
Lines: 13

I'm afraid you may be out of luck.  Shift/control interpretation takes place
in the lowest level interrupts.  In order to do the job properly, you would
have to replace INT 9, and this requires knowledge of your system's
implementation of tables, etc.  In particular, the shift and control keys
have implications for other keyboard functions besides returning shifted or
control characters.  For example, the shift key toggles the operational mode
for the keypad.  Also, not all shifted keycodes have control counterparts,
so you can't just swap the keycodes that you get (pressing keys with shift/
alt/control states won't always give you a keycode, and even when it does,
you aren't guaranteed the keycode will reflect the shift state).  Insert
IBM flame here.  =:->
-- 
Rob Wahl  =:->  {...!ncar!ico!auto-trol!robwah}