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//////////////////////////////////////////////////////////////////
//                                                              //
//  Register module for Edge core                               //
//                                                              //
//  This file is part of the Edge project                       //
//  http://www.opencores.org/project,edge                       //
//                                                              //
//  Description                                                 //
//  General purpose register module.                            //
//                                                              //
//  Author(s):                                                  //
//      - Hesham AL-Matary, heshamelmatary@gmail.com            //
//                                                              //
//////////////////////////////////////////////////////////////////
//                                                              //
// Copyright (C) 2014 Authors and OPENCORES.ORG                 //
//                                                              //
// This source file may be used and distributed without         //
// restriction provided that this copyright statement is not    //
// removed from the file and that any derivative work contains  //
// the original copyright notice and the associated disclaimer. //
//                                                              //
// This source file is free software; you can redistribute it   //
// and/or modify it under the terms of the GNU Lesser General   //
// Public License as published by the Free Software Foundation; //
// either version 2.1 of the License, or (at your option) any   //
// later version.                                               //
//                                                              //
// This source is distributed in the hope that it will be       //
// useful, but WITHOUT ANY WARRANTY; without even the implied   //
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
// PURPOSE.  See the GNU Lesser General Public License for more //
// details.                                                     //
//                                                              //
// You should have received a copy of the GNU Lesser General    //
// Public License along with this source; if not, download it   //
// from http://www.opencores.org/lgpl.shtml                     //
//                                                              //
//////////////////////////////////////////////////////////////////
 
module register
#(
  parameter N=32
)
(
  input clk,
  input reset,
  input en,
  input[N-1:0] d,
  output reg[N-1:0] q
);
 
always @(posedge clk)
  if(reset)
    q = 0;
  else if (en)
    q = d;
 
endmodule