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/*****************************************************************
 *
 * File Name    : dffre.v
 * Author Name  : John Lo
 * Description  :  
 *                
 * Parent Module: 
 * Child  Module: 
 * Interface Mod: many.
 * Date Created : 3/25/04
 *
 * Copyright (c) 2020, Sun Microsystems, Inc. 
 * Sun Proprietary and Confidential   
 *
 * Modification :
 * 
 ****************************************************************/

module dffre  (clk,reset,en,d,q);

parameter WIDTH = 1;

input	[WIDTH-1:0]	d;
input			reset;
input			en;
input			clk;
output	[WIDTH-1:0]	q;

reg	[WIDTH-1:0]	q;

always@(posedge clk ) begin
	if (reset) q[WIDTH-1:0] <= {WIDTH{1'b0}} ;
	else if (en) q[WIDTH-1:0] <= d[WIDTH-1:0] ;
	else q[WIDTH-1:0] <= q[WIDTH-1:0] ;
	end

endmodule