Int 15 Fn BFDE  - Desqview/x 1.02+ - Dvdos4gx.dvr - Decrement ???          [E]

   AX = BFDEh
   BX = 000Ah

Return: BX = 0000h (success)
   AX = new value of ??? counter

Notes: also resets a variety of values if the counter goes negative
   called by DOS4GW.EXE

See Also: AX=BFDEh/BX=0000h,AX=BFDEh/BX=000Bh