Int 11 Fn 7A - Rainbowfax V1.3 - Sfengine API - ??? [F] AH = 7Ah AL = subfunction 01h set ??? flag Return: AX = previous state (0000h already set, 0001h clear) 02h clear ??? flag Return: AX = 0001h 03h set ??? flag (different from subfn 02h) Return: AX = 0001h else Return: AX = FFFFh See Also: AH=77h,AH=78h,AH=79h,AH=7Ch