integer_plus.pkg

6端口寄存器IP内核VHDL源代码

-- Source: T:/hwdev/generic/VHDL/integer_plus.pkg
-- Designer: Tim Pagden    

-- Description: Extensions to the std.standard.integer package to allow
-- conversion functions and mixed operators
 
-- Revision history: T:/hwdev/generic/etc/integer_plus_pkg.dnh
-- 29.12.97 TP 0.0 created from std_logic_plus.pkg

library IEEE;
library vfp;

package integer_plus is
  use IEEE.std_logic_1164.all;
  use vfp.std_logic_class.all;
    
  -- extensions to vfp.integer_class and std.standard.integer
  -- integer defined in std.standard
  -- integer subtypes

  -- conversion functions
  function to_integer (a: std_ulogic_vector) return integer;  -- 29.11.95  
  function to_integer (a: std_logic_vector) return integer;   -- 03.02.95  
  function to_integer (a: twos_complement) return integer;    -- 29.11.95

  -- mixed operators

end integer_plus;