Subversion Repositories dma_ahb

/////////////////////////////////////////////////////////////////////
////                                                             ////
////  Author: Eyal Hochberg                                      ////
////          eyal@provartec.com                                 ////
////                                                             ////
////  Downloaded from: http://www.opencores.org                  ////
/////////////////////////////////////////////////////////////////////
////                                                             ////
//// Copyright (C) 2010 Provartec LTD                            ////
//// www.provartec.com                                           ////
//// info@provartec.com                                          ////
////                                                             ////
//// This source file may be used and distributed without        ////
//// restriction provided that this copyright statement is not   ////
//// removed from the file and that any derivative work contains ////
//// the original copyright notice and the associated disclaimer.////
////                                                             ////
//// This source file is free software; you can redistribute it  ////
//// and/or modify it under the terms of the GNU Lesser General  ////
//// Public License as published by the Free Software Foundation.////
////                                                             ////
//// This source 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 Lesser General Public License for more////
//// details. http://www.gnu.org/licenses/lgpl.html              ////
////                                                             ////
/////////////////////////////////////////////////////////////////////
//---------------------------------------------------------
//-- File generated by RobustVerilog parser
//-- Version: 1.0
//-- Invoked Fri Mar 25 23:31:25 2011
//--
//-- Source file: prgen_swap32.v
//---------------------------------------------------------
 
 
 
module  prgen_swap32 (end_swap,data_in,data_out,bsel_in,bsel_out);
 
   input [1:0]            end_swap;
   input [31:0]        data_in;
   output [31:0]       data_out;
   input [3:0]            bsel_in;
   output [3:0]        bsel_out;
 
 
   reg [31:0]            data_out;
   reg [3:0]            bsel_out;
 
 
 
   always @(/*AUTOSENSE*/data_in or end_swap)
     begin
    case (end_swap[1:0])
      2'b00   : data_out = data_in;
      2'b01   : data_out = {data_in[23:16], data_in[31:24], data_in[7:0], data_in[15:8]};
      2'b10   : data_out = {data_in[7:0], data_in[15:8], data_in[23:16], data_in[31:24]};
      2'b11   : data_out = {data_in[7:0], data_in[15:8], data_in[23:16], data_in[31:24]};
    endcase
     end
 
   always @(/*AUTOSENSE*/bsel_in or end_swap)
     begin
    case (end_swap[1:0])
      2'b00   : bsel_out = bsel_in;
      2'b01   : bsel_out = {bsel_in[2], bsel_in[3], bsel_in[0], bsel_in[1]};
      2'b10   : bsel_out = {bsel_in[0], bsel_in[1], bsel_in[2], bsel_in[3]};
      2'b11   : bsel_out = {bsel_in[0], bsel_in[1], bsel_in[2], bsel_in[3]};
    endcase
     end
 
 
endmodule