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IBM System/360 20 User Manual

IBM System/360 20
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the
tape
drive
assigned
to
SYSRES
from
the
previous
run.
2.
Mount
an
output
tape
(for
the
assembly)
on
the
tape
drive
assigned
to
SYSOPT
(see
ASSGN
card
group
093).
Press
the
Load-Rewind
kej
and
the
start
key
of
the
dri
ve.
3.
Mount
work
tapes
on
the
drives
assigned
to
SYSOOO
and
SYS001
(see
ASSGN
cards
in
group
093).
Press
the
Load-Rewind
keys
and
the
start
keys
of
the
drives.
4.
Place
the
tape
IPL
deck
(containing
ASSGN
cards
for
SYSaES
and
SYSRDR
from
previous
runs}
into
the
hopper
of
the
loading
unit
(2501
in
the
example).
5.
Place
card
group
093
(job
control
cards
for
assembly)
into
the
hopper
of
SYSRDR
(2501
in
the
example).
6.
Place
car
d
group
091
(sample
source
program)
into
the
hopper
of
SYSIPT
(2501
in
the
example).
7.
Place
card
group
095
(control
cards
for
CMAINn
into
the
hopper
of
SYSRDR.
8.
Press
the
Start
keyes)
of
the
card
device(s)
used.
9.
Press
the
Reset
key
and
the
start
key
of
the
printer.
10.
Set
the
Register-Data/Address
switches
on
the
CPU
console
to
an
even
main
storage
address
between
hexadecimal
009C
and
the
end-of-storage
address
minus
hexadecimal
0052.
11.
Set
the
Mode
switch
on
the
CPU
console
to
PROCESS.
12.
Press
the
Load
key
on
the
CPU
console.
The
Assembler
program
is
executed
first.
A
listing
(Figure
25)
is
obtained
on
the
printer,
and
the
object
program
is
produced
on
the
tape
drive
assigned
to
SYSOP!
in
card
group
093.
The
Job
Control
program
is
called
into
storage.
It
reads
the
job
con-
trol
cards
for
CMAINT
and
loads
the
CMAINT
program.
The
CMAINT
program
is
executed,
and
the
updated
system
tape
(containing
the
sample
object
program)
is
produced
on
the
drive
assigned
to
SYSOPT
in
card
group
095.
The
system
halts
and
code
01DO
is
displayed.
To
prepare
the
execution
of
the
samfle
program
contained
in
the
program
library
of
the
new
system
tape,
perform
the
following
steps:
1.
Remove
the
updated
system
tape
from
SYSOPT
(see
ASSGN
card
in
group
095)
and
remove
the
file-protection
ring.
(The
read-write
head
must
be
raised
in
order
to
change
the
status
of
the
file-
protection).
Re-mount
the
reel
on
the
drive,
press
the
load-Rewind
key
and
the
Start
key
of
the
drive.
2.
Remove
the
tape
reel
from
SYS001
(see
ASSGN
card
in
group
096)
and
mount
the
initialized
tape
with
volume
serial
number
000001
on
the
drive.
Press
the
Load-Rewind
key
and
the
Start
key
of
the
device.
3.
Remove
the
ASSGN
cards
for
SYSRES
and
SYSRDR
from
card
group
C96
and
place
them
in
the
1PL
deck,
in
front
of
the
REP
cards
(if
used)
and
the
end-of-file
card.
Place
this
deck
into
the
hopper
of
the
loading
unit
(2501
in
the
example)
•
4.
Place
card
group
096
(control
cards
for
execution)
into
the
hopper
of
SYSRtR
(2501
in
the
example).
5.
Press
the
Start
key
of
the
card
reading
device.
6.
Set
the
Register-tata/Address
switches
on
the
CPU
console
to
an
even
main
storage
address
between
hexadecimal
009C
and
the
end-of-storage
address
minus
hexadecimal
0052.
7.
set
the
Mode
switch
on
the
CPU
console
to
PROCESS.
8.
Press
the
Load
key
on
the
CPU
console.
The
1PL
procedure
is
performed,
and
the
drive
on
which
the
updated
system
tape
is
mounted
is
assigned
to
SYSRES.
The
sample
object
program
is
loaded
into
storage
from
the
program
library
and
is
then
executed.
The
output
is
obtained
on
the
printer.
After
execution
of
the
sample
program,
the
system
halts
and
code
01DO
is
displayed
tc
indicate
the
completion
of
Sample
Pro-
gram
1.
78
System/360
Model
20 TPS
Operating
Procedures

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IBM System/360 20 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 20
CategoryStorage
LanguageEnglish

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