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Encoding:
Assembly Source File  |  1983-11-17  |  657 b   |  9 lines
  1.  
  2. *BIT CLEAR - CLEAR BITS IN B WHERE A HAS ZEROS                                  
  3. *                                                                               
  4. BIC    $MACRO  A,B       BIT CLEAR                                              
  5.        LAC  :A:,0        LOAD :A:                                               
  6.        XOR  MINUS        INVERT MASK                                            
  7.        AND  :B:          AND :B:                                                
  8.        SACL :B:,0        SAVE RESULT IN :B:                                     
  9.        $END