`timescale 1ns / 1ps
////////////////////////////////////////////////////////////////////////////////
// Company: 
// Engineer:
//
// Create Date:    11:25:16 03/16/06
// Design Name:    
// Module Name:    debouncer
// Project Name:   
// Target Device:  
// Tool versions:  
// Description:
//
// Dependencies:
// 
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
// 
////////////////////////////////////////////////////////////////////////////////
module debouncer(signal_in, signal_out, clock);
    input signal_in;
    output signal_out;
    input clock;
reg [0:15] counter;
reg signal_out;

always@(posedge signal_in or posedge clock)
	if(signal_in)
		counter <= 0;
	else
		if(~&counter)
			counter <= counter + 1;
			 
always@(posedge clock)
	signal_out <= ~&counter;

endmodule