unsigned char wert=0;


main()
{
  while(1)
  {
    EX1 = 1;                                                                 
    EAL = 1;                                                                 
    Sek(2);
    IE1=1;
      if(wert==1)
      {
        printf("INTERRUPT");
        wert=0;
      }
    printf("LAUF");
  }
}

void steigende_flanke (void) interrupt 10
{
  wert=1;
}