#define uchar unsigned char 
extern uchar temp[8];
uchar tempdata[8];
uchar A1,A2,A2t,A3;
tmp(){ 
  tempdata[2] = temp[2]*10;
  tempdata[2] = tempdata[2]/2;
  A1=tempdata[2]/100;
  A2t=tempdata[2]%100;
  A2=A2t/10;
  A3=A2t%10; 
}