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Assembly Source File  |  1990-02-15  |  220b  |  16 lines
  1. ;
  2. ; *** Listing 9-22 ***
  3. ;
  4. ; Times shifts performed by using multiple 1-bit shift
  5. ; instructions.
  6. ;
  7. BITS_TO_SHIFT    equ    1
  8.     call    ZTimerOn
  9.     rept    100
  10.     rept    BITS_TO_SHIFT
  11.     shl    ax,1
  12.     endm
  13.     endm
  14.     call    ZTimerOff
  15.  
  16.