extern void disp_int();       //調用晶體管初始化程序
  extern void  disp_cls();      //晶體管清零程序
  extern unsigned char get_key();
  extern void Moni_Send(unsigned char dsdata);
  extern  void disp_num(unsigned char *buff);
  extern void disp_num_dot(unsigned char *buff);
  extern unsigned char code seg[10];
 
  extern void disp_num_dot2(unsigned char *buff);