Intel 80287, 80286 manual SLOT-Store Local Descriptor Table Register

THE 80286 INSTRUCTION SET

SLOT-Store Local Descriptor Table Register

Opcode	Instruction	Clocks	Description
OF 00 /0	SLOT ew	2,mem=3	Store Local Descriptor Table register to EA
			word

FLAGS MODIFIED

None

FLAGS UNDEFINED

None

OPERATION

The Local Descriptor Table register is stored in the 2-byte register or memory location indicated by the effective address operand. This register is a selector that points into the Global Descriptor Table.

SLDT appears only in operating systems software. It is not used in applications programs.

PROTECTED MODE EXCEPTIONS

#GP(O) if the destination is in a non-writable segment. #GP(O) for an illegal memory operand effective address in the CS, DS, or ES segments; #SS(O) for an illegal address in the SS segment.

REAL ADDRESS MODE EXCEPTIONS

Interrupt 6; SLDT is not recognized in Real Address mode.

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