nandgate.vhd

来自「此为一用VHDL编写的硬件游戏程序」· VHDL 代码 · 共 15 行

library ieee;
use ieee.std_logic_unsigned.all;
use ieee.std_logic_1164.all;

entity nandgate is
port ( a :in std_logic;
       b : in std_logic;
       c: out std_logic);
end nandgate;
architecture behave of nandgate is
 begin 
    c<=a nand b;
end behave;