decod_with_select

-- Decodificador BCD para display de 7 segmentos
-- Autores: João Vitor e Marcos Meira
-- Portas:
-- bcd  - Vetor de Entrada com 4 posições, ligadas aos switches do devkit
-- HEX0     - Vetor de Saída com 7 posições, relacionadas aos segmentos do display

library IEEE;
use ieee.std_logic_1164.all;

entity decod_with_select is
port (bcd: in std_logic_vector (3 downto 0);
      HEX0: out std_logic_vector (0 to 6));
end decod_with_select;

architecture dataflow of decod_with_select is
begin

with bcd select
HEX0 <=   NOT "1111110" when "0000",
          NOT "0110000" when "0001",
          NOT "1101101" when "0010",
          NOT "1111001" when "0011",
          NOT "0110011" when "0100",
          NOT "1011011" when "0101",
          NOT "1011111" when "0110",
          NOT "1110000" when "0111",
          NOT "1111111" when "1000",
          NOT "1110011" when "1001",
          NOT "0000001" when others;

end dataflow;