fpga/mux2_onein.v

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // See LICENSE.txt for the text of the license.
  15 //-----------------------------------------------------------------------------
  16
  17 // 2 inputs to 1 output multiplexer
  18 module mux2_one(
  19     input [1:0] sel,
  20     output reg y,
  21     input x0,
  22     input x1
  23 );
  24
  25 always @(*)
  26 begin
  27     case (sel)
  28         1'b0: y = x1;
  29         1'b1: y = x0;
  30     endcase
  31 end
  32
  33 endmodule