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Encoding:
Assembly Source File  |  1990-02-15  |  257 b   |  14 lines
  1. ;
  2. ; *** Listing 9-7 ***
  3. ;
  4. ; Times the performance of a 16-bit register DEC.
  5. ;
  6.     mov    dx,1000
  7.     call    ZTimerOn
  8. TestLoop:
  9.     dec    dx    ;16-bit register DEC
  10.             ; (1 byte long, uses 16-bit-
  11.             ; register-specific form of DEC)
  12.     jnz    TestLoop
  13.     call    ZTimerOff
  14.