Plusargs in SystemVerilog: $test$plusargs and $value$plusargs (Tested Examples)
In short: Plusargs are switches you add to the simulator’s run command, each starting with +, like +DEBUG or +SEED=42. Your code reads them at run time, so you can change a test’s behaviour without recompiling. $test$plusargs(“DEBUG”) tells you whether a switch is there. $value$plusargs(“SEED=%d”, seed) reads the value after it. Always set a default…