/***********************************************************
*  SET THE LAST WORD OF 256 BITS                                                    *
*  01/12/07 (dkc)                                                                                          *                     
***********************************************************/
 void set256(unsigned int *a, unsigned int b) {
*a=0;
*(a+1)=0;
*(a+2)=0;
*(a+3)=0;
*(a+4)=0;
*(a+5)=0;
*(a+6)=0;
*(a+7)=b;
return;
}