tingzhimokuai.vhd

来自「基于maxplusII的EDA设计」· VHDL 代码 · 共 18 行

library ieee;
use ieee.std_logic_1164.all;
entity tingzhimokuai is
  port(c0,c1,c2,c3,e0,e1,e2,e3:in std_logic;
    en0:out std_logic);
    end tingzhimokuai;
  architecture tingzhimokuai_arc of tingzhimokuai is
  begin
   process(c0,c1,c2,c3,e0,e1,e2,e3)
      begin
if c0=e0 and c1=e1 and c2=e2 and c3=e3 then
       en0<='0';
       else
       en0<='1';
    end if;
   end process;
   end tingzhimokuai_arc;