fenwei.vhd

来自「十字路口交通信号灯试验,用max＋plusII编程。希望对大家有用」· VHDL 代码 · 共 37 行

LIBRARY IEEE; 
USE IEEE.STD_LOGIC_1164.ALL; 
ENTITY Fenwei IS
	PORT(Numin:IN integer RANGE 0 TO 63;
		 NumA,NumB:OUT Integer RANGE 0 to 9);
END ENTITY;
ARCHITECTURE behavior OF Fenwei IS 
  BEGIN
	process(Numin)
	  BEGIN
        IF Numin>=60 THEN
			NumA<=6;
			NumB<=Numin-60;
        ELSIF Numin>=50 THEN
			NumA<=5;
			NumB<=Numin-50;
		ELSIF Numin>=40 THEN
			NumA<=4;
			NumB<=Numin-40;
		ELSIF Numin>=30 THEN
			NumA<=3;
			NumB<=Numin-30;
		ELSIF Numin>=20 THEN
			NumA<=2;
			NumB<=Numin-20;
		ELSIF Numin>=10 THEN
			NumA<=1;
			NumB<=Numin-10;
		ELSE 
			NumA<=0;
			NumB<=Numin;
		END IF;
	END PROCESS;
END ARCHITECTURE behavior;