yosys/tests/asicworld/code_hdl_models_parity_using_function.v

//-----------------------------------------------------
// Design Name : parity_using_function
// File Name   : parity_using_function.v
// Function    : Parity using function
// Coder       : Deepak Kumar Tala
//-----------------------------------------------------
module parity_using_function (
data_in    , //  8 bit data in
parity_out   //  1 bit parity out
);
output  parity_out ;
input [7:0] data_in ;

wire parity_out ;

function parity;
  input [31:0] data;
  begin
    parity =  (data_in[0] ^ data_in[1]) ^
              (data_in[2] ^ data_in[3]) ^
              (data_in[4] ^ data_in[5]) ^
              (data_in[6] ^ data_in[7]);
  end
endfunction


assign parity_out = parity(data_in);

endmodule