`timescale 1ns / 1ns module visible_tb; reg clk; integer cc; initial begin if ($test$plusargs("vcd")) begin $dumpfile("visible.vcd"); $dumpvars(5,visible_tb); end $display("Non-checking testbench. Will always PASS"); for (cc=0; cc < 1300; cc=cc+1) begin clk=0; #5; clk=1; #5; end $display("PASS"); $finish(0); end wire [15:0] pattern; // Note: parameter setting makes the simulation take a factor of 16 fewer // cycles compared to the default value of 6. visible #(.div(2)) dut (.clk(clk), .pattern(pattern)); endmodule