library IEEE;
use IEEE.std_logic_1164.all;
entity selectorHDL is
    port (
        SEL: in STD_LOGIC_VECTOR (1 downto 0);
        IN0: in STD_LOGIC_VECTOR (3 downto 0);
        IN1: in STD_LOGIC_VECTOR (3 downto 0);
        IN2: in STD_LOGIC_VECTOR (3 downto 0);
        IN3: in STD_LOGIC_VECTOR (3 downto 0);
        OUTS: out STD_LOGIC_VECTOR (3 downto 0)
    );
end selectorHDL;
architecture selectorHDL_arch of selectorHDL is
begin
   with SEL select OUTS <= IN0 when "00",
                           IN1 when "01",
                           IN2 when "10",
                           IN3 when "11",
                           "ZZZZ" when others;
end selectorHDL_arch;