INT 15 - Rational Systems DOS/4GW - ??? AX = BF06h BX = PSPsee Program Segment Prefix segment of extender ??? Return: ??? Note: if BX is not the PSPsee Program Segment Prefix segment of the extender, it passes the call down the INT 15 chain; this allows nested instances of the extender SeeAlso: AX=BF03h