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Editing and analyzing VHDL code

Open the VHDL file and insert the following code to the architecture body.

architecture Hex2LED_arch of Hex2LED is
begin

    with HEX select LED <=
        "1111001" when "0001",	--1
        "0100100" when "0010",	--2
        "0110000" when "0011",	--3
        "0011001" when "0100",	--4
        "0010010" when "0101",	--5
        "0000010" when "0110",	--6
        "1111000" when "0111",	--7
        "0000000" when "1000",	--8
        "0010000" when "1001",	--9
        "0001000" when "1010",	--A
        "0000011" when "1011",	--B
        "1000110" when "1100",	--C
        "0100001" when "1101",	--D
        "0000110" when "1110",	--E
        "0001110" when "1111",	--F
        "1000000" when others;	--0

end Hex2LED_arch;

After inserting the code, save and close the VHDL file. At the design hierarchy explorer, you should see a mark at the left of the Hex2LED module icon. It means the VHDL file is modified outside the tool and need to be analyzed. Invoke Module -- Analyzed Module (F4) to analyze the VHDL file. The mark should be changed to mark as before.


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