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[/] [fluid_core_2/] [trunk/] [rtl/] [ioPort.v] - Blame information for rev 4

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1 2 azmathmoos
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2014-2015 Azmath Moosa                         ////
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////                                                              ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 3 of the License, or (at your option) any     ////
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//// later version.                                               ////
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////                                                              ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                     ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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`timescale 1ns / 1ps
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`include "Configuration.v"
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module ioPort(
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        input en, rd, wr,
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        input Clk,
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        inout [0:3] fc_data,
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        inout [0:3] io_data
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    );
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        reg [0:3] io_data_buff;
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always @(posedge Clk) begin
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        if (en & wr) io_data_buff <= fc_data;
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end
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        assign fc_data = (rd) ? io_data:'bz;
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        assign io_data = (~rd) ? io_data_buff:'bz;
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endmodule

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