User's Manual

THE 80286 INSTRUCTION SET
SLOT -Store Local Descriptor Table Register
Opcode
Instruction
OF 00 /0
SLOT ew
FLAGS MODIFIED
None
FLAGS UNDEFINED
None
OPERATION
Clocks
2,mem=3
Description
Store Local Descriptor Table register to EA
word
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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