General
Make-up
of
Program
Tape
Tape
Data
Duplicating
the
Pre-Compiler
Tape
The
relocatable subroutine cards
are
punched
with
the
function
name
start-
ing
in column 1
and
the
sequence
number
in
columns 76
through
80. Subroutine
names
added
to
the
system
must
be
punched
in
the
same manner.
The
1620
FORTRAN
Pre-Compiler tape consists of a loading routine which loads
the
multiply
and
add
tables,
and
the
program
which
follows.
The
last seven
records are
the
relocatable subroutine
data
containing
the
number
and
names
of
the
relocatable subroutines included in
the
program. These records
must
be
exact duplicates of
the
corresponding records
which
are
included
in
the
1620
FORTRAN
processor tape. Additions to
the
list of relocatable subroutines in
the
system
must
be
made
to
the
Pre-Compiler
tape
in exactly
the
same form
as
pre-
scribed for
the
1620
FORTRAN
processor tape.
For
the
purpose
of
tape
identification, a title
and
data
message have
been
incor-
porated
in
the 1620
FORTRAN
Pre-Compiler tape.
The
first two records of
the
tape
contain
the
title
and
data
information. After these records
have
been
read
into
the
1620,
the
following message will
be
typed:
1620
FORTRAN
PRECOMPILER
11/15/61
Normal processing continues after
the
message has
been
typed.
The
FORTRAN
Pre-Compiler
tape
may
be
duplicated
and/or
modified
by
the
use
of
the
program
for duplicating the
FORTRAN
processor
and
subroutine tapes, in
the
manner
described for duplicating
the
processor tape.
The
FORTRAN
Pre-Compiler Program 79
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