THE
80286
INSTRUCTION SET
NOT
-One's
Complement Negation
Opcode
F6
/2
F7
/2
FLAGS MODIFIED
None
Instruction
NOT eb
NOT
ew
FLAGS UNDEFINED
None
OPERATION
Clocks
2,mem=7
2,mem=7
Description
Reverse each bit
of
EA byte
Reverse each bit
of
EA word
The operand is inverted;
that
is, every 1 becomes a 0 and vice versa.
PROTECTED MODE EXCEPTIONS
#GP(O)
if
the result
is
in a non-writable segment. #GP(O) for an illegal memory operand effective
address in the
es, DS, or ES segments; #SS(O) for an illegal address in the
SS
segment.
REAL ADDRESS MODE EXCEPTIONS
Interrupt
13
for_
a word operand at offset OFFFFH.
8-79
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