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Encoding:
Assembly Source File  |  1983-11-17  |  903 b   |  12 lines

  1.  
  2. *                                                                               
  3. *BIC A SELECTED BIT                                                             
  4. *A IS BIT NUMBER                                                                
  5. *B IS VAR                                                                       
  6. *                                                                               
  7. SBIC   $MACRO  A,B       SINGLE BIT CLEAR                                       
  8.        LAC  ONE,:A:      GET SELECT BIT                                         
  9.        XOR  MINUS        INVERT MASK                                            
  10.        AND  :B:          AND :B:                                                
  11.        SACL :B:,0        STORE TO :B:                                           
  12.        $END