IRQs, inteerupts, and the 8259

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#98

From: c3q
Date: Fri, 24 Jul 1992 00:54

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For a given IRQ (n) either hard-wired or set on a board, the corresponding
interrupt is n+8.  The 8259 interrupt mask is 0..010..0 (8 bits) with the "1"
located in bit n.

EX:	IRQ: 3
	Int: # 0Bh = 11 decimal
	mask: 00001000b

For more information, see Ray Duncan's _Advanced MS-DOS Programming_
                      
- Travis J.I. Corcoran

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Message-ID: <1992Jul23.205435.13965@vax5.cit.cornell.edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!newsstand.cit.cornell.edu!vax5.cit.cornell.edu!c3q
From: c3q@vax5.cit.cornell.edu
Newsgroups: alt.msdos.programmer
Subject: IRQs, inteerupts, and the 8259
Message-ID: <1992Jul23.205435.13965@vax5.cit.cornell.edu>
Date: 23 Jul 92 20:54:35 EDT
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