Testing a module with $strobe

//test for data flow AND2 module

module tester;

reg in1,in2;

wire out;

AND2 a2(in1,in2,out); //instantiate AND2 module

initial begin //Generate test data

#1 in1 = 0; in2 = 0;

$strobe("in1=%b in2=%b out=%b",in1, in2, out);

#1 in2 = 1;

$strobe("in1=%b in2=%b out=%b",in1, in2, out);

#1 in2 = 0; in1 =1;

$strobe("in1=%b in2=%b out=%b",in1, in2, out);

# 1 in2 = 1;

$strobe("in1=%b in2=%b out=%b",in1, in2, out);

#1 $finish;

end

endmodule

Displays data at the end of time step

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