43 lines
1.5 KiB
VHDL
43 lines
1.5 KiB
VHDL
-- See the file "LICENSE" for the full license governing this code. --
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use work.lt16x32_global.all;
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use work.config.all;
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entity hex2physical is
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port(
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hex : in std_logic_vector(4 downto 0);
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cathodes : out std_logic_vector(7 downto 0)
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);
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end hex2physical;
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architecture Behavioral of hex2physical is
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begin
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process(hex)
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begin
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case hex is
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when "10000" => cathodes <= "10000001"; -- "0"
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when "10001" => cathodes <= "11110011"; -- "1"
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when "10010" => cathodes <= "01001001"; -- "2"
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when "10011" => cathodes <= "01100001"; -- "3"
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when "10100" => cathodes <= "00110011"; -- "4"
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when "10101" => cathodes <= "00100101"; -- "5"
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when "10110" => cathodes <= "00000101"; -- "6"
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when "10111" => cathodes <= "11110001"; -- "7"
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when "11000" => cathodes <= "00000001"; -- "8"
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when "11001" => cathodes <= "00100001"; -- "9"
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when "11010" => cathodes <= "00010001"; -- "A"
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when "11011" => cathodes <= "00000111"; -- "B"
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when "11100" => cathodes <= "10001101"; -- "C"
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when "11101" => cathodes <= "01000011"; -- "D"
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when "11110" => cathodes <= "00001101"; -- "E"
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when "11111" => cathodes <= "00011101"; -- "F"
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when others => cathodes <= "11111111"; -- "Off"
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end case;
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end process;
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end Behavioral;
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