void csh();
void scz();
void show1();
void in(char data);
void Set_AD(void);
#define Byte  unsigned char 
#define word  unsigned int
#define NO_key  5

const Byte a[]={0X42,0xf3,0x8a,0xa2,0x33,0x26,0x06,0xf2,0x02,0x22};
const Byte b[]={0xc0,0x60,0xa0};
Byte  AD_Data;
Byte  key;
Byte KeyBuffer;
word  advalue;