说明：  该程序是基于AT89C51控制的电子密码锁的源程序（汇编语言），能完成开锁、报警、超次锁定、修改用户密码基本的密码锁的功能
(The program is based on AT89C51-controlled electronic code lock source (assembly language), to complete the unlock, alarm, lock, modify the user' s password locks the basic functions of)