----------------------------------------------------------------------------
--  Projekt "Burst-Master mit 4 KByte RAM"
--
--  "Zeichensatz" fuer 7-Segment-Anzeige
----------------------------------------------------------------------------


library ieee;
use ieee.std_logic_1164.all;


entity displayrom is
  port (
    addr : in std_logic_vector(3 downto 0);
    data : out std_logic_vector(6 downto 0)
  );
end displayrom;


architecture rtl of displayrom is

begin
  with addr select
    -- Segment-Folge: gfedcba
    data <= "0111111" when x"0",
            "0000110" when x"1",
            "1011011" when x"2",
            "1001111" when x"3",
            "1100110" when x"4",
            "1101101" when x"5",
            "1111101" when x"6",
            "0000111" when x"7",
            "1111111" when x"8",
            "1101111" when x"9",
            "1110111" when x"A",
            "1111100" when x"B",
            "1011000" when x"C",
            "1011110" when x"D",
            "1111001" when x"E",
            "1110001" when x"F",
            "0000001" when others;
end rtl;