INT 15 - DESQview/X 1.02+ - DVDOS4GX.DVR - ??? AX = BFDEh BX = 0005h CX = new value for ??? Return: BX = 0000h (success) AX = old value of ??? DS:SI -> ??? (if AX nonzero on return) ES:DI -> ??? (if AX zero on return) Note: called by DOS4GW.EXE SeeAlso: AX=BFDEh/BX=0000h