E1.4 - Código - quartus

CÓDIGO library ieee; use ieee.std_logic_1164.all; entity E_1_4 is port (A, B, C, D: in std_logic; F: out std_logic); end E_1_4; architecture db of E_1_4 is signal S1: std_logic_vector (3 downto 0); begin S1 <= A & B & C & D; with S1 select F <= '1' when "0001" | "0010" | "0011" | "1001" | "1010" | "1101" | "1110", '0' when others; end db;