STD

library IEEE;use IEEE.std_logic_1164.all;use IEEE.std_logic_arith.all;

package STD_LOGIC_UNSIGNED is

function "+"(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; function "+"(L: STD_LOGIC_VECTOR; R: INTEGER) return STD_LOGIC_VECTOR; function "+"(L: INTEGER; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; function "+"(L: STD_LOGIC_VECTOR; R: STD_LOGIC) return STD_LOGIC_VECTOR; function "+"(L: STD_LOGIC; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;

function "-"(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; function "-"(L: STD_LOGIC_VECTOR; R: INTEGER) return STD_LOGIC_VECTOR; function "-"(L: INTEGER; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; function "-"(L: STD_LOGIC_VECTOR; R: STD_LOGIC) return STD_LOGIC_VECTOR; function "-"(L: STD_LOGIC; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;

function "+"(L: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;

function "*"(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;

function "<"(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function "<"(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function "<"(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function "<="(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function "<="(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function "<="(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function ">"(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function ">"(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function ">"(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function ">="(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function ">="(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function ">="(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function "="(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function "="(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function "="(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function "/="(L: STD_LOGIC_VECTOR; R: STD_LOGIC_VECTOR) return BOOLEAN; function "/="(L: STD_LOGIC_VECTOR; R: INTEGER) return BOOLEAN; function "/="(L: INTEGER; R: STD_LOGIC_VECTOR) return BOOLEAN;

function CONV_INTEGER(ARG: STD_LOGIC_VECTOR) return INTEGER;

-- Added 3/03 function SHL(ARG:STD_LOGIC_VECTOR;COUNT: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR; function SHR(ARG:STD_LOGIC_VECTOR;COUNT: STD_LOGIC_VECTOR) return STD_LOGIC_VECTOR;

-- remove this since it is already in std_logic_arith-- function CONV_STD_LOGIC_VECTOR(ARG: INTEGER; SIZE: INTEGER) return STD_LOGIC_VECTOR;

end STD_LOGIC_UNSIGNED;

转载于:https://www.cnblogs.com/lteacher/archive/2013/04/11/3015495.html

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