at_latch32.v 1.4 KB
/**************************************************************************
 *                                                                        *
 *               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 *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *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: at_latch32.v,v 1.3 2003/01/15 03:34:09 berndt Exp $

////////////////////////////////////////////////////////////////////////
//
// Project Reality
//
// module:      at_latch32
// description: Latches for attribute buffers.
//
// designer:    Phil Gossett
// date:        9/5/94
//
////////////////////////////////////////////////////////////////////////

module at_latch32 (clk, g, i, z);

input clk;
input [1:0] g;
input [31:0] i;

output [31:0] z;
reg [31:0] z;

always @(posedge clk)
begin
	if(g[1])
		z[31:16] <= i[31:16];
	if(g[0])
		z[15:0] <= i[15:0];
end

endmodule // at_latch32