Int 18 Fn 6905  - Gravis Ultra Sound Yea_gus.exe - Play Music              [s]

   AX = 6905h
   BL = voice number
   BH = sample type (0 = 8-bit, 1 = 16-bit)
   CL = looping type (0 = none, 1 = forward, 2 = back and forth)
   CH:DI = 20-bit starting address for voice data
   DL:SI = 20-bit address for loop start
   DH:BP = 20-bit address for loop end

See Also: AX=6903h,AX=6906h,AX=690Bh