/**************************************************************************
 *                                                                        *
 *               Copyright (C) 1994, Silicon Graphics, Inc.               *
 *                                                                        *
 *  These coded instructions, statements, and computer programs  contain  *
 *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *
 *  are protected by Federal copyright  law.  They  may not be disclosed  *
 *  to  third  parties  or copied or duplicated in any form, in whole or  *
 *  in part, without the prior written consent of Silicon Graphics, Inc.  *
 *                                                                        *
 *************************************************************************/
// $Id: adder21b.v,v 1.1 2002/03/28 00:26:13 berndt Exp $
/*	Project Reality
	MDP
	Created by Mike M. Cai 6/9/94
*/

module adder21b( sum, co, a, b, ci);
input [20:0]   a, b;
input          ci;
output [20:0]  sum;
output         co;
parameter      adder_21b_delay = 120;

      assign {co,sum} = a + b + ci;

endmodule // adder21b