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Article #7808Return codes from resident routines on INT 16H
From: Jim Frost
Date: Wed, 03 Sep 1986 23:14
Date: Wed, 03 Sep 1986 23:14
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1495 bytes
Another question for you wizards: what should a resident routine that intercepts INT 16H return for registers and flags? I want to make it seem that no key had been pressed. Also, what INT numbers are safest? Currently I use INT 6FH, but there are some problems sometimes. Is there better? How can you tell if an interrupt is being used (if there is any other besides return-interrupt-vector function in MS-DOS). Thanx. +--------------------------------------+---------------------------------+ ! Jim Frost ! "You just gotta smile through ! ! UUCP: ..!harvard!bu-cs!bucsb!madd ! it" -- John Reardon ! ! ARPANET: madd@bucsb.bu.edu ! ! ! CSNET: madd%bucsb@bu-cs ! mv flames /dev/null ! ! BITNET: cscc71c@bostonu ! ! +--------------------------------------+---------------------------------+
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!cmcl2!husc6!bu-cs!bucsb.bu.edu!madd From: madd@bucsb.bu.edu.UUCP (Jim Frost) Newsgroups: net.micro.pc Subject: Return codes from resident routines on INT 16H Message-ID: <458@bucsb.bu.edu.UUCP> Date: Wed, 3-Sep-86 19:14:24 EDT Article-I.D.: bucsb.458 Posted: Wed Sep 3 19:14:24 1986 Date-Received: Thu, 4-Sep-86 00:39:24 EDT Reply-To: madd@bucsb.UUCP (Jim Frost) Distribution: net Organization: Boston Univ Comp. Sci. Lines: 17