Category: DOS extenders
Flags: available only in protected mode
INT 31 - CauseWay - "SetSelDet" - SET SELECTOR BASE AND LIMIT AX = FF09h BX = selector CX:DX = new base address SI:DI = new byte-granular limit Return: CF clear if successful CF set on error SeeAlso: AX=FF07h,AX=FF0Ah