`default_nettype  none

module blinky(i_clk, o_led, lcol1);
   parameter WIDTH = 24;
   input wire i_clk;
   output wire o_led;
   output wire lcol1;

   reg [WIDTH-1:0] counter;

   always @(posedge i_clk)
      counter <= counter + 1'b1;

   assign o_led = counter[WIDTH-1]; // normal, symmetrical blinking
   // assign o_led = ~(&counter[WIDTH-1:WIDTH-3]); // short on, long off (strobe)
   // assign o_led = ~(counter[5:0] < counter[WIDTH-1:WIDTH-6]); // PWM, dimmer
   assign lcol1 = 1'b0;
endmodule