bahe.vhd

本程序利用VHDL语言实现拔河游戏机的功能

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

entity bahe is
port(bego,left,right,cp,clear:in std_logic;--CP 接q18脚
                            q:inout std_logic_vector (14 downto 0));
end bahe;

architecture one of bahe is
component hexin 
 port(bego,over,left,right,cp,clear:in std_logic;
                                  q:inout std_logic_vector (14 downto 0));
end component;

component control
 port(zuoduan,youduan:in std_logic;
                over:out std_logic);
end component;

component jicunqi
port(d,clk,en:in std_logic;
         y:out std_logic);
end component;

signal l,r,ov:std_logic;
begin
g1:jicunqi   port map(left,cp,bego,l);
g2:jicunqi   port map(right,cp,bego,r);
p1:hexin     port map(bego,ov,l,r,cp,clear,q);
n1:control   port map(q(14),q(0),ov);
end one;