display.vhd

max_plus开发的 有max_plus就可以直接运行的交通灯制作 用vhdl语言编写的

LIBRARY IEEE;
USE IEEE.Std_Logic_1164.ALL;
        
ENTITY display IS
PORT(  Clock:In Std_logic;
       flash:In Std_logic;
       D: IN  INTEGER RANGE 0 TO 9;
	   disp: OUT STD_LOGIC_VECTOR(0 TO 6) );

END  ;

ARCHITECTURE behavior OF display IS
BEGIN
  with D select
     disp<="1111110" when 0,
           "0110000" when 1,
           "1101101" when 2,
           "1111001" when 3,
           "0110011" when 4,
           "1011011" when 5,
           "1011111" when 6,
           "1110000" when 7,
           "1111111" when 8,
           "1111011" when 9,
           "0000000" when others;      
END ;