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IBM System/360 20 User Manual

IBM System/360 20
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Page #103 background image
6.
Press
the
Load
key
on
the
CPU
console.
Execution
under
Control
of
the
Tape-
]~2idenl_~Y§lem.
Execution
under
control
of
the
tape-
resident
system
can
be
carried
out
if
the
object
program
is
either:
•
stored
on
tape
in
card-image
format,
or
•
contained
in
the
program
library
of
the
system
tape.
The
~rocedure
for
obtaining
the
source
pro-
gram
on
tape
in
card-image
format
as
output
from
the
Assembler
program
is
described
under
step
4
of
the
instructions
for
assembly
of
the
sample
program.
If
it.is
desired
to
have
the
sample
program
(master
or
slave)
on
the
system
tape,
the
object
program
obtained
as
output
from
the
Assembler
program
(either
on
tape
or
in
cards)
must
be
added
to
the
program
library
section
of
the
system
tape
by
means
of
the
C~AINT
program.
The
procedure
for
doing
this
is
described
in
the
section
QEdating
lhe
grog£gm_1i~£g£y_~ec1iQn-2!_!n~~yste~
I~£~·
The
following
steps
must
be
taken
to
execute
the
object
program:
1.
Place
into
the
hopper
of
the
loading
unit:
(~
the
ta~e
IPt
deck
uf
to
and
includ-
ing
the
END
card.
(b)
an
ASSGN
card
for
SYSRES
(prepared
by
the
u.5er).
(~
an
ASSGN
card
for
SYSRDR
(prepared
by
the
user)
if
SYSRDR
is
not
the
IBM
2501
Card
Reader.
(d)
the
end-of-file
card
(/*
in
columns
1
and
2) •
2.
Mount
the
system
tape
on
the
drive
assigned
to
SYSRES;
press
the
Load-
Rewind
key
and
the
Start
key
of
this
dri
ve.
3.
Place
into
the
hopper
of
the
device
assigned
to
SYSRDR
the
job
control
cards
shown
in
Figure
41.
These
cards
must
be
prepared
by
the
user.
4.
For
the
master
program:
Press
the
start
key
on
the
card
reader.
-For
the
slave
program:
Press
the
start
key
on
the
card
punch.
5.
Press
the
Reset
key
and
the
Start
key
on
the
I-rinter.
6.
Press
the
Load
key
on
the
CPU
console.
The
slave
program
should,
if
possible,
be
loaded
just
before
the
master
program.
After
all
the
data
cards
have
been
read
and
transmitted,
a
programmed
halt
occurs.
HALTS
AND
ERROR
DISPLAYS
In
addition
to
the
standard
BSCA
IOCS
halts,
there
are
a
number
of
other
halts
that
may
occur
during
execution
of
the
master
and
slave
programs.
These
halts,
together
with
the
restart
procedures,
are
shown
in
Figure
43.
Sample
Programs
103

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IBM System/360 20 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 20
CategoryStorage
LanguageEnglish

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