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Waveform Comparison commands

The table below provides a brief description of the compare commands. Follow the links for complete command syntax.

See Commands for complete command details.

Command
Description
defines a comparison between the signals in a specified reference design and the signals in a specified test design
allows a difference to be flagged as ignore, or an additional text string to be attached
defines a clock for clocked comparison; or, if -delete is specified, deletes a previously-defined clock
deletes a signal or region from the current open comparison.
destroys the compare data structures and forgets clock definitions and signals selected for comparison
writes out results of the comparison; writes to the transcript unless the
-write option is specified
shows all the compare region and compare signal commands currently in effect
sets values for various compare options on the Tcl parser side; when subsequent commands are called, these values become the defaults
clears the current compare differences, allowing another compare start to be executed
reloads comparison differences to allow viewing without recomputation
registers required callbacks and runs the difference computation on the signals selected for comparison; reports the total number of errors found
saves the comparison result differences in a form that can be reloaded later
saves the comparison setup information (or "rules") to a file that can be re-executed later as a command file; saves compare options and all clock definitions and region and signal selections
causes the specified compare difference to be made visible in the specified wave window, using whatever horizontal and vertical scrolling is necessary
initializes internal data structures for waveform compare
used internally by the compare stop button to suspend comparison computations in progress
used internally to update the comparison differences when comparing a live simulation against a .wlf file


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