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iAPX
432
Interface
Processor
Architecture
Reference
Manual
<DNDITIOOAL
ROCEIVE
Operator
ID:
24
Contents
Function
Request
Facility
1------------------------1
results
I
through
9 1
reserved
1
1------------------------1
. .
result
0 1
BOOLEAN
1
1------------------------1
oper
and 6 1
reserved
1------------------------1
operand
5 1
reserved
1------------------------
oper
and 4 1
reserved
1------------------------
operand
3 1
reserved
1------------------------
oper
and 2 1
reserved
1------------------------
oper
and 1 1
reserved
1------------------------
Hex
Byte
Offset
22H-33H
20H
1.EH
lCH
1AH
ISH
16H
14H
operand
0 1
PORI'
0BJECl'
SELECrOR
12H
!------------------------1
IP
function
code 1
OISH
(CCNDITICNAL
RECEIVE)
IOH
1------------------------1
function
state
1
reserved
1
OEH
1------------------------1
process
selection
index
1
PROCESS
INDEX
OCH
1------------------------1
CDNDITICNAL
REX:EIVE
allCMs a
process
to
check
for
the
availability
of
a message
at
a
port
and
to
indivisibly
accept
it
if
one
is
available.
The
first
operand
is
used.
The lxx>lean
result,
which
is
set
to
true
if
a message
is
received,
is
stored
in
the
function
result
area.
B-IO