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FUNCrlOO
SUMMARY
ArlIER
MAP
AND
SELECI'
PHYSICAL
SEG1ENI'
Operator
ID: 3
Contents
Function
Request
Facility
Hex
Byte
Offset
1------------------------1
results
0
through
9 1
reserved
20H-33H
1------------------------1
oper
am
6 1
reserved
lEH
1------------------------1
operam
5
IPHYSICAL
ADDRESS
(high
8) 1
lCH
1------------------------1
operand
4
IPHYSICAL
ADDRESS
(low 16) 1
lAH
1------------------------1
operarrl
3 1
MASK
18H
1------------------------1
operam
2 1
BASE
ADDRESS
1
16H
1------------------------1
oper
am
1 1 ENrRY
STATE
14H
1------------------------1
oper
am
0 1
WINOOW
INDEX
12H
1------------------------1
IP
function
code
!
OOOH
(ArlIER
MAP
AND
ISELECl'
PHYSICAL
SEG1ENI') 1
lOH
1------------------------1
function
state
1
reserved
OEH
1------------------------1
process
selection
imex
1
PHOCESS
]NDEX
OCH
1------------------------1
ALTER
MAP
AND
SELECT
PHYSICAL
SEG1ENI'
allows
an
operation
to
alter
the
inter-address
space
mapping
provided
by
one
of
the
address
sub
range
map
entries
and
to
associate
a
given
432
or
interconnect
physical
segment
with
that
address
subrange
map
entry.
This
physical
mode
operator
is
the
equivalent
of
the
logical
mode
operator
AIlIER
MAP
AND
SELECI'
DA'm
SEG1ENI'.
One
difference
is
that
the
mapping
facility
area
is
not
updated
by
this
operator.
Another
difference
is
that
map
entry
4
can
be
updated
by
this
operator.
The
first
operand
is
a
double
byte
specifying
which
map
entry/data
segment,
segment
descriptor
register.
is
to
be
altered.
The
second
operand
is
a
double
byte
containing
new
entry
state
information.
The
third
operand
is
a
double
byte
containing
the
starting
address
of
the
new
subrange
to
be
mapped. The
fourth
operand
is
a
double
byte
containing
the
mask
used
to
spec
ify
size
of
the
new
subr
ange.
The
fifth
and
sixth
operands
are
a word (32
bits)
containing
the
right-justified,
24-bit,
physical
base
address
of
the
segment
in
the
432
address
space.
If
the
new
entry
state
information
specifies
that
this
entry
is
bein9
set
up
in
block
transfer
mode,
the
sixth
oper
and
is
also
used
I
as
a
count
of
the
number
bytes
to
be
transferred.
Note
that
this
operator
is
unique
to
432
interface
processors.
B-7