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Xerox 900 series User Manual

Xerox 900 series
105 pages
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PROGRAMMING
CONVE
NTIONS:
(cont
.)
MEMORY
REQUIREMENTS:
SUBROUTINES
USED:
The
loader
is
assembled
(using
either
SYMBOL
or
META-SYMBOL)
together
with
the
following
subroutines:
1.
The
search
subroutine
($QSRCH). This
subroutine
is
used
by
the
loader
and
the
MONARCH
Monitor
routines
to
locate
files
on
magnetic
tape
or
RAD.
Specifically,
it
is used by
the
loader
to
locate
the
MONARCH
Li
brary
on a
MO
NARCH system.
2.
The
Monitor
Bootstrap
($QBOOT).
This
subroutine
is
used by
the
MON-
ARCH
Control
Routine
and
the
various
MONARCH
system
routines
to
in-
itiate
reloading
of
the
MONARCH
system
tape
(see
Section
2
of
the
MONARCH
Reference
Manual).
3. The four
input
subroutines
($QCARD, $QTAPE, $QPAPER
and
$QDISK)
used by
the
loader
to
read
binary
records.
Bits 9
through
23
of
QSYSIN
must
contain
the
address
of
one
of
these
subroutines
when
control
is
re-
linquished
to
the
loader.
Bits 9
through
23
of
QSYSTP must
contain
the
value
of
QTAPE
when
control
is
relinquished
to
the
loader.
These
are
the
only
input
subroutines
referenced
by
the
loader.
4.
The dump
routine
($QDUMP).
This
routine
may
be
referred
to
by
MON-
ARCH
routines
or
by
a
user
to
dump
memory
in
octal
with
zero
suppression.
5.
The
RAD
File
Management
Routine
(see
QFMR
writeup
on
page
58).
The
loader's
symbol
table
will
initially
contain
external
definition
entries
for
the
entry
points
of
each
of
the
subroutines
described
in 1 through 5
above.
In
addition,
the
symbol
table
will
contain
external
definition
entries
for:
1.
All
MONARCH
Unit
Assignment
Table
(UAT)
and
900
Series
Business
Assignment
Table
(BAT)
entries.
(Refer
to
the
MONARCH
Reference
Manual,
Appendix
A.)
2.
The Processor Error
Switch
(QPESW).
3.
The
initial
entry
point
to
the
loader
(QSYLDR).
4.
The
entry
point
to
the
RAD
Fi
Ie
Management
Routine
(QFMR).
Approximately
3430
8
or
1816
10
memory
locations
{includes
the
subroutines
described
in
Calling
Sequence
above}.
QSRCH, QCARD, QTAPE, QPAPER,
QDISK,
QFMR,
RDISC/WDISC.
45

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Xerox 900 series Specifications

General IconGeneral
BrandXerox
Model900 series
CategoryCopier
LanguageEnglish

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