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IBM 5100 Apl Reference Manual

IBM 5100
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28
Syntax
)SIV
There
are
no
parameters.
The
)SYMBOLS
Command
The
)SYMBOLS
command
is
used
to
change
or
display
the
number
of
symbols
(variable names,
function
names,
and
labels) allowed in
the
active workspace.
The
number
of
symbols allowed can
only
be changed immediately
after
a )CLEAR com-
mand
has been issued. In a clear workspace,
the
number
of
symbols allowed
is
initially set
to
125
by
the
5100.
When
the
command
is
used
to
display
the
number
of
symbols allowed,
IS
the
number
of
symbols allowed,
number
of
symbols used
I N USE
is
displayed. When
the
command
is
used
to
change
the
number
of
symbols
allowed,
WAS
the
former
number
of
symbols allowed
is
displayed.
Note: When a
stored
workspace
is
loaded into
the
active workspace,
the
number
of
symbols allowed in
the
active workspace will
be
the
same as
when
the
stored
workspace was
written
to
tape.
Syntax
)SYMBOLS [0]
where:
11.
(optional)
is
an integer equal
to
or
greater
than
26
that
specifies
the
number
of
symbols allowed in
the
active workspace. Each symbol allowed requires eight
bytes
of
storage in
the
active workspace.
Notes:
1.
The
number
of
symbols allowed
is
assigned in blocks
of
21;
therefore
the
actual
number
allowed can be larger
than
the
number
specified.
2. When a symbol
is
used in
the
active workspace, it remains
in
use even
though
the
object
is
erased or, in
the
case
of
"VALUE
ERROR",
never existed. When
the
active workspace
is
written
to
tape
with
the
)SAVE
command
and
subsequently
reloaded, these
unused
names are removed
from
the
symbol table;
and
the
number
of
symbols in use will be
the
same as
the
number
of
objects
in
the
workspace.
3.
The
total
number
of
allowed symbols remains
the
same
after
writing
the
wcrk-
space
to
tape
with a )SAVE
or
)CONTINUE
command
and
reloading
the
work-
space
to
the
active workspace.
The
number
of
symbols in
the
active workspace
can be changed as follows:
a. Save
the
active workspace with
the
)SAVE
command.
b. Clear
the
active workspace with
the
)CLEAR
command.
c.
Set
the
new
number
of
symbols with
the
)SYMBOLS
command.
d. Copy
the
stored
workspace
to
the
active
workspace
with
the
)COPY
command.
t.
)

Table of Contents

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IBM 5100 Specifications

General IconGeneral
BrandIBM
Model5100
CategoryLaptop
LanguageEnglish

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