chongzai.vhd

老师给我们的vhdl源代码

LIBRARY IEEE;
USE IEEE. STD_LOGIC_1164.ALL;
LIBRARY WORK ;
USE  WORK.my_package.ALL ;

ENTITY chongzai IS
    PORT(  CLK: IN BIT:='1';
           c: OUT INTEGER);
END chongzai;

ARCHITECTURE archi OF chongzai IS
    SIGNAL tem_a:INTEGER RANGE 0 TO 100:=10;
     BEGIN 
    c<=tem_a+CLK;
END archi;