Int 16 Fn 73  - Fakey.com - Play Tones                                     [K]

   AH = 73h
   CX = number of tones to play
   DS:SI -> array of tones (see below)
Program: FAKEY is a keystroke faking utility by System Enhancement Associates

See Also: INT 15/AX=1019h

Format of tone array entries:
Offset Size    Description
 00h   WORD    divisor for timer channel 2
 02h   WORD    duration in clock ticks