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library IEEE;use IEEE.std_logic_1164.all;entity sysegd isport (x : in std_logic_vector(3 downto 0); s : out std_logic_vector (6 downto 0));end entity;architecture bin27seg_arch of sysegd isbeginprocess(x)begincase x(3 downto 0) iswhen "0000" => s <= "1111110"; -- 0when "0001" => s <= "0110000"; -- 1when "0010" => s <= "1101101"; -- 2when "0011" => s <= "1111001"; -- 3when "0100" => s <= "0110011"; -- 4when "0101" => s <= "1011011"; -- 5when "0110" => s <= "1011111"; -- 6when "0111" => s <= "1110
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