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From: ballou@BRAHMS.BERKELEY.EDU.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Masking ints while setting interrupt vectors
Message-ID: <8704150724.AA13494@brahms.Berkeley.EDU>
Date: Wed, 15-Apr-87 02:24:52 EST
Article-I.D.: brahms.8704150724.AA13494
Posted: Wed Apr 15 02:24:52 1987
Date-Received: Thu, 16-Apr-87 23:58:57 EST
References: <5523@shemp.UCLA.EDU>
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: brahms.Berkeley.EDU!ballou@brahms.Berkeley.EDU (Kenneth R. Ballou)
Distribution: world
Organization: Math Dept. UCB
Lines: 8
Keywords: interrupts, masking

In article <5523@shemp.UCLA.EDU> feldy@CS.UCLA.EDU (Bob Felderman) writes:
>I want to install an interrupt routine for the timer interrupt 0x08.
>How do I mask the timer interrupt off while I use the DOS call to 
>replace the interrupt vector?
>I just need some sample assembler code for MS-DOS 2.1.

	Couldn't you just precede the code by CLI and use STI after
changing the interrupt vector?