compExch.vhd

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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;

-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;

use work.CMXpackage.all;
use work.CMX_flavor_package.all;


entity compExch is
  Port(
    A, B : in JetTOB;
    H, L : out JetTOB);
  
end compExch;

architecture Behavioral of compExch is

  signal FlippedPair : arr_TOB(1 downto 0);
  signal UnFlippedPair : arr_TOB(1 downto 0);
  signal ResultPair : arr_TOB(1 downto 0);
  
begin

  UnFlippedPair(0)<=A;
  UnFlippedPair(1)<=B;

  FlippedPair(0)<=B;
  FlippedPair(1)<=A;

  ResultPair<=UnFlippedPair when A.Et2>=B.Et2 else FlippedPair;

  H<=ResultPair(0);
  L<=ResultPair(1);
  

end Behavioral;