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Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!asuvax!ncar!ico!ism780c!randvax!ucla-an!stb!richard
From: richard@stb.uucp (Richard Conner)
Newsgroups: comp.sys.ibm.pc,comp.lang.c
Subject: Re: microsoft c isr question
Message-ID: <1990Feb21.073956.19404@stb.uucp>
Date: 21 Feb 90 07:39:56 GMT
References: <WIENER.90Feb17172147@stout.stout.UCAR.EDU>
Reply-To: richard@stb.uucp (Richard Conner)
Distribution: usa
Organization: The Serial Tree BBS, +1 213 397 3137
Lines: 16

In article <WIENER.90Feb17172147@stout.stout.UCAR.EDU> wiener@stout.UCAR.EDU (Gerry Wiener) writes:
>In the following code an interrupt handler for the keyboard is
>replaced [...]
>
>#define KEYBD  0x16

What you REALLY want is:
#define	KEYBD	0x9	/* 9 = interrupt FROM keyboard */

Interrupt 0x16 is for ROM BIOS services, i.e. turning on/off typematic,
etc.  0x9 is the keyboard interrupt which occurs when each key is hit.
(AS WELL AS when each key is RELEASED) 

-Richard
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