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Copyright 1991 David Jurgens |
LGS - Load Pointer Using GS (386+ only)
Usage: LGS dest,src
Modifies flags: None
Loads 32-bit pointer from memory source to destination register
and GS. The offset is placed in the destination register and the
segment is placed in GS. To use this instruction the word at the
lower memory address must contain the offset and the word at the
higher address must contain the segment. This simplifies the loading
of far pointers from the stack and the interrupt vector table.
Clocks Size
Operands 808x 286 386 486 Bytes
reg,mem - - 7 6 5-7
reg,mem (PM) - - 22 12 5-7
- see Instruction Timing
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lgs |
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