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iAPX
432
Interface
Processor
Architecture
Reference
Manual
UNLOCK
0BJECr
Operator
10:
20
Contents
Function
Request
Facility
1------------------------
resul
ts
0
through
9 !
reserved
1------------------------
operand
6 1
reserved
1------------------------
oper
and 5 1
reserved
1------------------------
Hex
Byte
Offset
20H-33H
1EH
ICH
operand
4 1
reserved
1AH
1------------------------
oper
and 3 1
reserved
ISH
1------------------------
oper
and 2 1
reserved
I6H
1------------------------
operand
I 1
OISPIACEMENI'
I4H
1------------------------1
operand
0 1 0BJECr SELECTOR 1 I2H
1------------------------1
IP
function
code 1 OllH
(UNLOCK
0BJECr)
IOH
1------------------------1
function
state
1
reserved
OEH
1------------------------1
process
selection
index
1 PRXESS
INDEX
1
OCH
1------------------------1
UNLOCK
0BJECr allCMS an
operation
to
unlock
an
object
lock
located
within
a
data
segment. The
first
operand
contains
the
object
selector
for
a
data
segment
access
descr
iptor
•
The
second
operand
contains
the
displacement
wi
thin
that
data
segment
of
the
desired
obj
ect
lock.
B-34