Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!agate!saturn!ucscb.UCSC.EDU!lupin3
From: lupin3@ucscb.UCSC.EDU (-=/ Larry Hastings /=-)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Caps Lock Blues?
Message-ID: <5209@saturn.ucsc.edu>
Date: 22 Oct 88 01:41:17 GMT
References: <12440256984046@osu-20.ircc.ohio-state.edu>
Sender: usenet@saturn.ucsc.edu
Reply-To: lupin3@ucscb.UCSC.EDU (-=/ Larry Hastings /=-)
Organization: MetaWare, Incorporated
Lines: 40

+-In article <12440256984046@osu-20.ircc.ohio-state.edu>, DAVIS-M@osu-20.ircc.ohio-state.edu (Mark Davis Univ Sys) wrote:-
+----------
|
| I am writing a text editor in Microsoft Quick Basic Version 4.0 and am having
| trouble determining when the caps-lock key is enabled and disabled.  Is this
| determined by some location in memory?
|
+----------

  Yep.  According to Peter Norton's Programmer's Guide to the IBM PC, hex 418
holds the following information:

     Bit
7 6 5 4 3 2 1 0     1=on, 0=off
X		1=Ins
  X		1=Caps Lock
    X		1=Num Lock
      X		1=Scroll Lock

  Also, int 16h function 02 returns (in AL):

     Bit
7 6 5 4 3 2 1 0     1=on, 0=off
X		Ins
  X		Caps Lock
    X		Num Lock
      X		Scroll Lock
	X	Alt
	  X	Ctrl
	    X	left Shift key
	      X right Shift key


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