cx_bao.vhd

十进制加法计数器.VHDL程序,可在Quratus 2中运行

library ieee;
use ieee.std_logic_1164.all;

package cx_bao is
  component shijizhi is
    port
  (clkin:in std_logic;
     a:out integer range 0 to 9;
     c:out std_logic);
   end component shijizhi;
end;