EasyManuals Logo

IBM System/360 20 User Manual

IBM System/360 20
178 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #57 background image
II
END
Required.
Must
be
the
last
program
control
statement
issued.
The
operand
n
in
a PRIOR
statement
can
be
1
through
4.
Up
to
four
PRIOR
state-
ments
may
be
contained
in
a
set
of
MMAINT
control
statements.
If
more
than
one
card
containing
a PRIOR
statement
is
present,
the
cards
must
be
arranged
in
ascending
order
by
n.
The
DELET
and
CATAL
control
statements
~nd
the
associated
input)
for
each
priori-
ty
section
must
be
in
alphabetical
order
by
the
operation
codes
of
the
macro
instruc-
tions
to
which
they
refer.
This
is
illus-
trated
in
the
example
below.
II
PRIOR
1
II
DELET
BEXIT
II
CATAL
(refers
to
DIVID)
II
CATAL
(refers
to
MOVEZ)
II
DELET
MULT
II
CATAL
(refers
to
TEST)
If
a DELET
statement
with
the
operand
ALL
is
issued
for
a
priority
section,
the
card
con.taining
this
statement
must
be
placed
immediately
behind
the
PRIOR
card
for
that
section.
PREPARATION
OF
THE
SYSTEM
The
following
steps
must
be
taken
to
pre-
pare
the
system
for
the
execution
of
the
MMAINT
program.
1.
If
the
system
run
has
not
yet
been
initiated,
follow
the
procedure
described
in
the
section
lh~_l~E,~
Resi~ent_~Y21~~.
2.
Place
into
the
hopper
of
the
device
assigned
to
SYSRDR:
a}
the
cards
containing
the
job
control
statements,
b)
the
cards
containing
the
program
control
statements
for
the
MMAINT
program.
3.
If
a
card-reading
device
has
been
assigned
to
SYSIPT,
place
into
the
hop-
per
of
this
device
the
card
deck
con-
taining
the
macro
definitions
to
be
included
in
the
library
(each
macro
definition
is
headed
by a
MACRO
state-
ment
and
terminated
by
a
MEND
statement)
;
Mot~~
If
SYSIPT
has
been
assigned
the
same
card
reading
device
as
SYSRDR,
each
macro
definition
to
be
included
in
the
library
must
follow
the
correspond-
ing
CATAL
card.
4.
If
a
tape
drive
has
been
assigned
to
SYSIPT,
mount
the
reel
of
tape
that
contains
the
macro
definitions
to
be
included
in
the
library,
and
press
the
Load-Rewind
key
and
the
Start
key
of
the
tape
drive.
5.
Mount
the
reel
of
tape
that
is
to
accomodate
the
updated
system
tape
on
the
tape
drive
assigned
to
SYSOPT,
and
press
the
Load-Rewind
key
and
the
Start
key
of
the
drive.
6.
Mount
a
work
tape
on
the
drive
assigned
to
SYSOOO,
and
press
the
Load-Rewind
key
and
the
Start
key
of
the
drive.
7.
If
the
printer
has
been
assigned
to
SYSLST
and/or
SYSLOG,
press
the
Reset
key
and
the
Start
key
of
the
printer.
8.
Press
the
Start
keys
of
any
required
1/0
devices
that
are
not
yet
ready.
9.
Press
the
start
key
on
the
CPU
console.
Figure
14
shows
the
arrangement
of
input
to
and
output
from
the
MMAINT
program.
PROGRAMMED
HALTS
A
number
of
programmed
halts
may
occur
dur-
ing
the
loading
and
execution
of
the
MMAINT
program.
The
halt-code
displays
and
the
asso-
ciated
restart
procedures
are
described
in
the
section
PrQgra~med-Hal!_Qis£l~2_~~
Restar.Lg£Q£gdur~2·
MESSAGES
A
number
of
diagnostic
messages
may
be
printed
on
the
printer
assigned
to
SYSLST
during
the
execution
of
the
MMAINT
program.
A
list
of
these
messages
and
their
meaning
is
contained
in
the
SRl
publication
~!~
~~2!~~L1QQ_~QQg!_2QL~i2~_~~1~~Qg~~~
~i~g_~~2!g~§~_As§~ID£!er
b~~~,
Form
C24-9002.
DESCRIPTION
OF
OUTPUT
The
output
from
the
MMAINT
program
is
the
updated
system
tape
on
the
tape
drive
assigned
to
SYSOPT.
If
a
printer
was
assigned
to
SYSLST,
a
listing
of
the
included
macro
definitions
(in
source
for-
mat),
together
with
any
required
messages,
is
prod
uced.
Not~:
The
updated
system
tape
should
be
file-protected.
Creation
and
Maintenance
of
System
Tapes
57

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the IBM System/360 20 and is the answer not in the manual?

IBM System/360 20 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 20
CategoryStorage
LanguageEnglish

Related product manuals