/******************************************************************************/ 
/*                                                                            */ 
/* Copyright (c) 1999 Sun Microsystems, Inc. All rights reserved.             */ 
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/******************************************************************************/ 
/***************************************************************************
****************************************************************************
***
***  Program File:  @(#)pproduct21.v
***
****************************************************************************
****************************************************************************/

//  @(#)pproduct21.v	1.2  4/9/92
//
// **************************************************************
//  pproduct21 -- pass 0: 2 partial product bits put out, 2 zeroed
//		  pass 1: 2 partial product bit, 2 multiplexed,
// **************************************************************


module pproduct21 (
		      p,		// partial product
		      x,		// multiplicand
		      y,		// multiplier
		      pass,		// pass
		      s,		// feedback sum
		      c			// feedback carry
		      );
    //prop CELLCLASS "LEAF"
    //prop AREA 0.0 0.0 100.0 60.0

    //prop FEEDTHROUGH "feed0" 90.0 0.0
    //prop FEEDTHROUGH "feed1" 70.0 0.0
    //prop FEEDTHROUGH "feed2" 50.0 0.0
    //prop FEEDTHROUGH "feed3" 30.0 0.0
    //prop FEEDTHROUGH "feed4" 10.0 0.0

    output [3:0] p;
	//prop LOCATION 20.0 0.0 20.0 0.0 "MET2" X_INCREMENT 20.
	//prop TERMPLACE "BOT"

    input  [1:0] x;
	//prop LOCATION 20.0 60.0 20.0 60.0 "MET2" X_INCREMENT 20.
	//prop TERMPLACE "TOP"

    input  [3:2] y;
	//prop LOCATION 0.0 10.0 0.0 10.0 "MET1" Y_INCREMENT 10.
	//prop TERMPLACE "LEFT;RIGHT"

    input pass;
	//prop LOCATION 0.0 50.0 0.0 50.0 "MET1"
	//prop TERMPLACE "LEFT;RIGHT"

    input s;
	//prop LOCATION 60.0 60.0 60.0 60.0 "MET2"

    input c;
	//prop LOCATION 80.0 60.0 80.0 60.0 "MET2"
 
    supply0 GND;
	//prop NETTYPE "GROUND"

    and (p[0], x[0], y[3]);
    and (p[1], x[1], y[2]);

    ME_MUX2B p1 (pass, GND, s, p[2]);
    ME_MUX2B p2 (pass, GND, c, p[3]);

endmodule