//======================================================================
//
// adder32.v
// ---------
// 32bit adder with carry in / carry out
//
//
// Author: Peter Magnusson
// Copyright (c) 2015, NORDUnet A/S All rights reserved.
//
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//   this list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright
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//
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//
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//
//======================================================================


module adder32(
   input      [31 : 0] a,
   input      [31 : 0] b,
   input               carry_in,
   output wire [31 : 0] sum,
   output wire          carry_out);

   reg [32 : 0] adder_result;

   assign sum = adder_result[31:0];
   assign carry_out = adder_result[32];

   always @(a, b, carry_in)
     adder_result = {1'b0, a} + {1'b0, b} + {32'b0, carry_in};
endmodule
