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HP 262SA - How to Transfer Forms from the Screen

HP 262SA
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Designing and Using
Forms
HOW TO TRANSFER FORMS FROM THE SCREEN TO A HOST
COMPUTER
When
writing
application programs
that
will display a form
structure
on
the
terminal's
screen, you may,
of
course, choose to code
the
program
statements
that
issue
the
necessary
escape sequences, SO
and
SI codes,
and
data.
For
complex form
structures
however,
this
method
can
be
both
tedious
and
prone to error.
An
easier
method is to design
the
form
at
the
terminal
and
then
transfer
the
form
structure
from
the
screen to
the
host
computer where
it
can be accessed by or incorporated
into
your
program.
If
the
terminal
is connected to
an
HP
3000
Computer
System, you
may
use
the
FORMSPEC portion
·ofV/3000,
and
then
include
appropriate
V/3000
intrinsic
calls
in
your
application
programs
to
use
the
form
in
the
run-time
environment.
Figure
5-5 shows
the
source
listing
of a BASIC/3000
program
that
reads
a completed form
structure
from
the
terminal's
screen and
generates
the
PRINT
statements
necessary
to
recreate
the
form on
the
screen. FORMIO
was
designed
primarily
to
assist
with
the
program-
ming
of
complex
data
entry
forms which
are
much
easier
to
create
using
the
terminal's
function keys
than
to code directly
in
PRINT
statements.
You
may, however,
use
it
with
any
type
of
data
(normal
alphanumeric
text,
math
symbols,
and
line
drawing
set
elements).
NOTE:
The
following
program
was
written
to be compatible
with
the
HP
3000 computer.
If
it
is to
be
used
with
another
type
computer, modification
may
be necessary.
In
addition,
the
InhHndShk(G)
and
Inh
DC2(H)
fields on
the
Terminal
Configuration
menu
must
be
set
to
ttNO".
5-7

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