Intel 80287 - Page 273

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THE 80286 INSTRUCTION SET
LEA-load Effective Address Offset
Opcode
80 Ir
FLAGS MODIFIED
None
Instruction
LEA rW,m
FLAGS UNDEFINED
None
OPERATION
Clocks
Description
3
Calculate EA offset given by m, place in rw
The effective address (offset part) of the second operand is placed in the first (register) operand.
PROTECTED MODE EXCEPTIONS
#UD if second operand is a register.
REAL ADDRESS MODE EXCEPTIONS
#UD if second operand is a register.
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