Thread View: alt.msdos.programmer
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Started by Ralf.Brown
Thu, 18 Jan 1990 12:35
Re: Int 3
Author: 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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