Article View: alt.msdos.programmer
Article #445Re: Int 3
From: Ralf.Brown
Date: Thu, 18 Jan 1990 12:35
Date: Thu, 18 Jan 1990 12:35
17 lines
1308 bytes
1308 bytes
In article <D1R7N=@rpi.edu>, skeeve@pawl.rpi.edu (Sean C. Cox) wrote:
}
} Int 3 sets a breakpoint for program execution, useful for debugging, but
} not much else (I can't think of anything at least). When your program
Turbo Pascal versions 1 through 3 used INT 3 to implement Control-Break
checking when enabled by the {$U+} compiler directive. An INT 3 would be
inserted after the code for each statement, and the interrupt handler would
check the keyboard, aborting or returning as appropriate.
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"How to Prove It" by Dana Angluin Disclaimer? I claimed something?
14. proof by importance:
A large body of useful consequences all follow from the proposition in
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!b.gp.cs.cmu.edu!Ralf.Brown@B.GP.CS.CMU.EDU From: Ralf.Brown@B.GP.CS.CMU.EDU Newsgroups: alt.msdos.programmer Subject: Re: Int 3 Message-ID: <25b5c63d@ralf> Date: 18 Jan 90 12:35:57 GMT Sender: ralf@b.gp.cs.cmu.edu Organization: Carnegie Mellon University School of Computer Science Lines: 17 In-Reply-To: <D1R7N=@rpi.edu>