Int 62 Fn 0075  u - Fgdriver V3.03 - "fg_playing" - Determine Whether Asy  [V]

   AX = 0075h

Return: AX = sound state (0 = no asynchronous sound, 1 = async sound playing)

Note:  For FGDRIVER v1.10, this function was "FG_INITJOY" (see AX=004Dh);
      "FG_PLAYING" was AX=0091h

See Also: AX=0048h,AX=006Bh,AX=009Eh,AX=00ABh