// counter16
// 16 bit loadable counter with enable and asynchronous reset
// Actel Corporation
// October 1, 2001

module counter16 (CLK, RESETn, LOAD, ENABLE, DATA, COUNT);
input CLK, RESETn, LOAD, ENABLE;
input [15:0] DATA;
output [15:0] COUNT;
reg [15:0] COUNT;

always @(posedge CLK or negedge RESETn)
begin
  if (!RESETn)
   COUNT <= 15'b0;
  else
  if (LOAD == 1'b1)
   COUNT <= DATA;
  else
  if (ENABLE == 1'b1)
   COUNT <= COUNT + 1;
end
endmodule