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8. Mastering Verilog System Tasks and Functions: A Complete Guide
Introduction
System tasks and functions are powerful built-in utilities in Verilog that enable designers to debug, monitor, and control simulation behavior effectively.
Unlike user-defined tasks and functions, these are provided by the simulator and begin with a `$` symbol.
This comprehensive guide explores the most commonly used system tasks with practical examples and real-world applications.
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8.1. Display Functions: $display vs $monitor vs $strobe vs $write
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8.2. Random Number Generation: $random
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8.3. Time Functions: $time vs $realtime
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8.4. Command-Line Arguments: $test$plusargs vs $value$plusargs
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