--1.实体和函数的定义

--2.自动计时部分

--3.设置调时时的四种状态:a.不调时,b.调时位,c.调分位,d.调秒位

--4.设置闪烁的位置,调哪部分,哪部分闪烁

--5.将该闪烁的部分执行闪烁命令

--6.调时间,小时,分钟,秒的调时进程

--7.用元件BCD把小时位,分钟位和秒位三部分连接在一起

--8.设置时区***该部分为选做,程序中已经注释掉***

--9.设置闹铃***该部分为选做,程序中暂时没写***

--10.设置7段数码管的显示位置

--11.数码管显示-- 1. Entities and function definitions - 2. Automatic timing part of it - 3. Set the tone from time to time of the four states: a. not transfer, when, b. when the transfer bit, c. transfer sub-spaces, d. tone seconds bit- 4. to set the location of blinking, adjusting which part, which part of the flashing- 5. the flashing part of the implementation of the flashing command- 6. transfer time, hours, minutes, seconds, when the process of adjustment- 7 . using devices to hours-bit BCD, minutes, seconds bit and bit three parts together- 8. set the time zone*** to do that part for the election, the program has been commented out***- 9. Set alarm*** This part is selected to serve as the program for the moment I did not write***- 10. set the 7-segment digital tube display position- 11. nixie tube display