Path: utzoo!utgpu!attcan!uunet!tektronix!percival!bucket!leonard
From: leonard@bucket.UUCP (Leonard Erickson)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Enhanced Keyboard Scan Codes
Message-ID: <1226@bucket.UUCP>
Date: 17 Jan 89 23:44:19 GMT
References: <67172BP3@PSUVM> <914@starfish.Convergent.COM>
Reply-To: leonard@bucket.UUCP (Leonard Erickson)
Organization: Rick's Home Grown Unix; Portland, OR
Lines: 27

In article <914@starfish.Convergent.COM> jerry@starfish.Convergent.COM (Gerald Hawkins) writes:
<From article <67172BP3@PSUVM>, by BP3@PSUVM.BITNET (Larry Belan):
<> I was wondering if anyone has the scan codes produced by the IBM Enhanced
<> keyboard?  I have a list for the old PC keyboard but it dosen't help
<> with the extra cursor keys and the numeric keypad.
<>   Lawrence (Larry) Belan ][                         75745,242 (CompuServe)
<>   The Fayette Campus             ...!psuvax1!psuvm.bitnet!bp3 (uucp)
<-
<-
<The book _DOS Programmer's Reference_ (Que books) page 149 has an AT
<advanced keyboard scan code map and a regular PC keyboard map.
<
<What I wonder is why programs designed to read scan codes (SHOWKEYS for
<example) do not return a value for F11 and F12.  Sometime I'll have to
<investigate.

They call the BIOS function for the old keyboard. There is a *different*
one for getting the enhanced info (though it returns the same results
for the "old" keys). I think it also uses E0h instead of 00h as the first
byte of the code. <sigh>

Check the Interrupt list for exact details...
-- 
Leonard Erickson		...!tektronix!reed!percival!bucket!leonard
CIS: [70465,203]
"I used to be a hacker. Now I'm a 'microcomputer specialist'.
You know... I'd rather be a hacker."