dec_bcd.vhd

-- Decodificador BCD

library ieee;
use ieee.std_logic_1164.all;

entity dec_bcd is
    port
    (
        x   : in std_logic_vector(3 downto 0);
        d   : out std_logic_vector(6 downto 0)
    );
end dec_bcd;

architecture logica of dec_bcd is
begin
    with x select
        d <=    "1000000" when "0000",
                "1111001" when "0001",
                "0100100" when "0010",
                "0110000" when "0011",
                "0011001" when "0100",
                "0010010" when "0101",
                "0000010" when "0110",
                "1111000" when "0111",
                "0000000" when "1000",
                "0010000" when "1001",
                "0001000" when "1010",
                "0000011" when "1011",
                "1000110" when "1100",
                "0100001" when "1101",
                "0000110" when "1110",
                "0001110" when others;
end logica;