notgate.vhd

来自「此为一用VHDL编写的硬件游戏程序」· VHDL 代码 · 共 11 行

library ieee;
use ieee.std_logic_1164.all;
entity notgate is
port(a :in std_logic;
     b :out std_logic);
end notgate;
architecture behave of notgate is
begin
   b<=not a;
end behave;