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--

--      Package File Template

--

--      Purpose: This package defines supplemental types, subtypes, 

--               constants, and functions 

--

--   To use any of the example code shown below, uncomment the lines and modify as necessary

--

library ieee;

use ieee.std_logic_1164.all;

package Operations is

        constant add:            std_logic_vector (4 downto 0) := "00000";

        constant addinc:         std_logic_vector (4 downto 0) := "00001";

        constant inca:           std_logic_vector (4 downto 0) := "00011";

        constant subdec:         std_logic_vector (4 downto 0) := "00100";

        constant sub:            std_logic_vector (4 downto 0) := "00101";

        constant deca:           std_logic_vector (4 downto 0) := "00110";

        constant lsl:            std_logic_vector (4 downto 0) := "01000"; -- Left shift logic

        constant asr:            std_logic_vector (4 downto 0) := "01001"; -- Aritmetic shift right

        constant zeros:          std_logic_vector (4 downto 0) := "10000";

        constant land:           std_logic_vector (4 downto 0) := "10001"; -- Logic and

        constant andnota:        std_logic_vector (4 downto 0) := "10010";

        constant passb:          std_logic_vector (4 downto 0) := "10011";

        constant andnotb:        std_logic_vector (4 downto 0) := "10100";

        constant passa:          std_logic_vector (4 downto 0) := "10101";

        constant lxor:           std_logic_vector (4 downto 0) := "10110"; -- Logic XOR

        constant lor:            std_logic_vector (4 downto 0) := "10111"; -- Logic OR

        constant lnor:           std_logic_vector (4 downto 0) := "11000"; -- Logic NOR

        constant lxnor:          std_logic_vector (4 downto 0) := "11001"; -- Logic XOR

        constant passnota:       std_logic_vector (4 downto 0) := "11010";

        constant ornota:         std_logic_vector (4 downto 0) := "11011";

        constant passnotb:       std_logic_vector (4 downto 0) := "11100";

        constant ornotb:         std_logic_vector (4 downto 0) := "11101";

        constant lnand:          std_logic_vector (4 downto 0) := "11110"; -- Logic NAND

        constant ones:           std_logic_vector (4 downto 0) := "11111";

        constant lcl:            std_logic_vector (4 downto 0) := "00010"; -- Load constant low

        constant lch:            std_logic_vector (4 downto 0) := "00111"; -- Load constant high

end Operations;