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Assembly Source File  |  1990-02-15  |  273b  |  14 lines
  1. ;
  2. ; *** Listing 12-2 ***
  3. ;
  4. ; Measures the performance of IMUL when used to calculate
  5. ; the 32-bit product of two 16-bit factors each with a value
  6. ; of zero.
  7. ;
  8.     sub    ax,ax    ;we'll multiply zero times zero
  9.     call    ZTimerOn
  10.     rept    1000
  11.     imul    ax
  12.     endm
  13.     call    ZTimerOff
  14.