Subversion Repositories yacc

`timescale 1ns/1ps

module s3_test_bench;

        reg clk=0;

        wire tx,rx;

        reg [3:0] button;

        initial begin

                button=4'b1111;//HIGH ACTIVE RESET 

                #800;

                button=4'b0000;

        end

        always #10 clk=~clk;

 s3_vsmpl s3(

  .tx(tx),.rx(rx),.button(button),.clk(clk)

);

endmodule