Int 66 Fn 0691  - Ibmsnd Driver, Digpak - Report Callback Address          [s]

   AX = 0691h

Return: AX:DX -> current callback function
   BX = original caller's DS register
Program: The IBMSND driver is part of John W. Ratcliff's
      The IBM Digitized Sound Package
   DIGPAK is a set of digitized sound drivers written by
     John W. Ratcliff, The Audio Solution, Inc.

See Also: AX=068Eh