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PREFACE
This
manual
describes the Intel-developed
FORTRAN
language (FORTRAN-80)
for
programming
the 8080
and
8085 microcomputers.
FORTRAN-80
is
based
on
the
ANSI
FORTRAN
77
subset. In some instances, it
incorporates
features from the
FORTRAN
77
full language;
FORTRAN-80
also has features
that
exceed
both
ver-
sions
of
FORTRAN
77.
Appendix
D lists
FORTRAN-80
extensions to the
FORTRAN
77 subset
that
can be
found
in the
FORTRAN
77
full set;
it
also lists those
FORTRAN-80
superset
features
that
go
beyond
both
versions
of
FORTRAN
77. In
addition,
these superset
features are clearly
marked
in the text
of
this
manual
(shadowed in grey)
and
should
not
be used
if
you
want
to preserve total compatibility with
FORTRAN
77
and
por-
tability
among
processors.
The
FORTRAN-80
language
is
described in its entirety in this
manual.
Limitations
or
extensions related to a
particular
compiler
are
described in the
operator's
manual
for
that
compiler. They are summarized in Appendix F
of
this
manual.
The
operator's
manual
also includes considerations when running in different
operating
system environments (such as ISIS-II
and
RMX-80).
The experienced
FORTRAN
programmer
can
possibly begin
programming
after
reviewing the summaries in the appendixes
of
this
manual.
The
new
programmer
should
read it
through
from the beginning. While the
manual
is
primarily written as
a
programming
reference, it does contain some instructional material.
Chapter
1 has a
short
program
designed
to
provide
an
intuitive feel for the language.
Chapter
2 introduces
FORTRAN
concepts.
Chapters
3-6 describe
FORTRAN-80
statements in detail. These statements
are
grouped
functionally
and
include
brief
il-
lustrative examples.
Chapter
7 suggests some guidelines for improving
FORTRAN
programming
techniques
and
recommends sources for further study
of
programm-
ing
as
a science. We also suggest
that
the beginning
programmer
read
one
two
FOR-
TRAN
tutorials. Some recommended
introductory
texts
are
included in the
bibliography
at
the end
of
Chapter
7.
Finally, all users
of
this
manual
should refer to the following
documents
as
necessary:
ISIS-II
FORTRAN-80
Compiler
Operator's
Manual
ISIS-II
System
User's
Guide
X3.9-1977
FORTRAN
The latter
document
can
be
ordered
from:
The
American National
Standards
Institute, Inc.
1430 Broadway
New
York, New York
10018
9800480
9800306
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