INT 31 P - DPMIsee DOS Protected-Mode Interface 0.9+ - SET DESCRIPTOR AX = 000Ch BX = LDT selector ES:(E)DI -> 8-byte buffer containing descriptor Return: CF clear if successful CF set on error AX = error code (DPMIsee DOS Protected-Mode Interface 1.0+) (8021h,8022h,8025h) (see #03143) Notes: 16-bit programs use ES:DI as pointer, 32-bit must use ES:EDI only modify descriptors allocated with INT 31/AX=0000h DPMIsee DOS Protected-Mode Interface 1.0+ automatically reloads any segment registers containing the selector being modified not supported by MS Windows 3.0 in Standard mode SeeAlso: AX=000Bh