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iAPX
432
Interface
Processor
Architecture
Reference Manual
NULL
AOCESS
DESCRIPTOR
Operator ID: 8 .
Contents
Function Request
Facility
1------------------------1
results
0 through 9 1
reserved
1
1------------------------1
oper
and 6 1
reserved
1
1------------------------1
operand S 1
reserved
1------------------------1
oper
and 4 1
reserved
1
1------------------------1
operand 3 1
reserved
!
1------------------------1
operand 2 !
reserved
1------------------------1
operand 1 1
reserved
1------------------------1
operand
OLDEST
~
SELECTOR
1
1------------------------1
IP
function
code 1
OOSH
(NULL
ACCESS
1
1 DFSCRIPTCR) 1
1------------------------1
function
state
1
reserved
1
1------------------------1
process
selection
index 1
PRC:CESS
INDEX
1
1------------------------1
Hex Byte
Offset
20H-33H
1EH
lCH
1AH
l8H
l6H
14H
l2H
lOH
OEH
OCH
NULL
AOCESS
DESCRIPl'CR
allCMs an
operation
to
overwrite
and
thus
logically
clear
a
given
access
descriptor
entry.
At
the
same
time,
access
to
any
object
previously
available
via
that
access
descriptor
entry
is
given
up.
The
operand
contains
the
object
selector
for
the
destination
access
segment
entry.
•
B-20