Library Ieee; USE IEEE.STD_LOGIC_1164.ALL; ENTITY Decl7s IS PORT(A:IN STD_LOGIC_VECTOR(3 DOWNTO 0); LED7s:OUT STD_LOGIC_VECTOR(6 DOWNTO 0)); END; ARCHITECTURE one OF Decl7s IS BEGIN PROCESS(A) BEGIN CASE A IS WHEN “0000” => LED7s <=“0111111”; WHEN “0001” => LED7s <=“0000110”; WHEN “0010” => LED7s <=“1011011”; WHEN “0011” => LED7s <=“1001111”; WHEN “0100” => LED7s <=“1100110”; WHEN “0101” => LED7s <=“1101101”; WHEN “0110” => LED7s <=“1111101”; WHEN “0111” => LED7s <=“0000111”; WHEN “1000” => LED7s <=“1111111”; WHEN “1001” => LED7s <=“1101111”; WHEN “1010” => LED7s <=“1110111”; WHEN “1011” => LED7s <=“1111100”; WHEN “1100” => LED7s <=“0111001”; WHEN “1101” => LED7s <=“1011110”; WHEN “1110” => LED7s <=“1111001”; WHEN “1111” => LED7s <=“1110001”; WHEN OTHERS => NULL; END CASE ; END PROCESS; END;