Subversion Repositories sata_controller_core

//--------------------------------------------------------------------------------

// Entity   mux_21 

// Version: 1.0

// Author:  Ashwin Mendon 

// Description: 32 bit 4:1 Multiplexer

//--------------------------------------------------------------------------------

// Copyright (C) 2012

// Ashwin A. Mendon

//

// This file is part of SATA2 core.

//

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

//

// This program 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 General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with this program.  If not, see <http://www.gnu.org/licenses/>.  

module mux_41

   (

    input wire [31:0] a,

    input wire [31:0] b,

    input wire [31:0] c,

    input wire [31:0] d,

    input wire [1:0] sel,

    output reg [31:0] o

    );

  always @ (a or b or c or d or sel)

  begin

    case (sel)

      2'b00:

          o = a;

      2'b01:

          o = b;

      2'b10:

          o = c;

      2'b11:

          o = d;

     endcase

  end

endmodule