ASMB,R,Q,C
*     NAME:   OVF 
*     SOURCE: 92070-18267 
*     RELOC:  92070-1X267 
*     PGMR:   HLC 
* 
* 
*  **************************************************************** 
*  * (C) COPYRIGHT HEWLETT-PACKARD COMPANY 1979.  ALL RIGHTS      * 
*  * RESERVED.  NO PART OF THIS PROGRAM MAY BE PHOTOCOPIED,       * 
*  * REPRODUCED OR TRANSLATED TO ANOTHER PROGRAM LANGUAGE WITHOUT * 
*  * THE PRIOR WRITTEN CONSENT OF HEWLETT-PACKARD COMPANY.        * 
*  **************************************************************** 
* 
* 
      NAM OVF,7  92070-1X267  REV.1941  790606
      ENT OVF 
*     CALLED: 
* 
*            INTEGER OVF
*            IF (OVF(IDMY)) 10,20 
*         10 <BRANCH IF O-REG. SET> 
*         20 <BRANCH IF O-REG IS CLEAR> 
* 
*     NOTE:  THIS ROUTINE CLEARS O-REGISTER 
* 
OVF   NOP 
      CLA           SET A TO 0 ASSUMING NO OVERFLOW 
      SOC C        IF THERE IS OVERFLOW 
      CCA            SET THE SIGN BIT.
      LDB OVF,I     GET RETURN ADDRESS
      JMP B,I       RETURN THRU P+1 DEF 
B     EQU 1 
      END 
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