HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                 INT 15,86 - Elapsed Time Wait (AT and PS/2)

       AH = 86h
       CX,DX = number of microseconds to wait (976 μs resolution)

       on return:
       CF = set if error (PC,PCjr,XT)
          = set if wait in progress
          = clear if successful wait
       AH = 80h for PC and PCjr
          = 86h for XT

       - AT and PS/2 only for system timing
       - not designed for user application usage

Esc or Alt-X to exit int 15,86 Home/PgUp/PgDn/End ←↑↓→
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