///////////////////////////////////////////////////////////////////////////////
//
// Pushbutton Debounce Module (video version - 24 bits)  
//
///////////////////////////////////////////////////////////////////////////////

module debounce (input reset_in, clock_in, noisy_in,
                 output reg clean_out);

   reg [19:0] count;
   reg new_input;

   always_ff @(posedge clock_in)
     if (reset_in) begin 
        new_input <= noisy_in; 
        clean_out <= noisy_in; 
        count <= 0; end
     else if (noisy_in != new_input) begin new_input<=noisy_in; count <= 0; end
     else if (count == 1000000) clean_out <= new_input;
     else count <= count+1;


endmodule