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NEC PC-8201A - Function Keys

NEC PC-8201A
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Chapter
6
Bytes
Free
The
number
on
the
second
line
of
the
screen,
and
before
the
words
"Bytes
free",
represents
the
amount
of
memory
that
is
aval
£i
e(in
BASIC.
The
number
is
reduced
each
time
a
file
is
create
in
or
TEXT
mode.
When
this
number
decreases
to
hundreds
instead
of
thousands,
be
very
careful
that
sufficient
memory
is
available
for
use.
ou
s
ou
delete
any
unneeded
files,
or
save
important
files
on
an
externa
device
(a
cassette
tape).
The
operations
outlined
in
this
chapter
wi
require
approximately
3000
bytes
of
free
memory.
Be
aware
that
certain
BASIC
commands,
such
as
DIWI,
require
extra
memory
in
order
to
run
the
program.
Function
Keys
There
are
five
commands
displayed
on
the
bottom
line
of
the
screen
which
correspond
to
the
five
Function
Keys
(f.l
through
f.5).
Press
the
Key
and
another
set
of
five
commands
are
displayed
on
the
screen.
These
are
the
functions
referred
to
as
f.6
through
f.10.
All
of
the
ten
Function
Keys
in
the
BASIC
mode
are
different
from
the
ten
in
the
MENU
mode,
so
do
not
confuse
the
two
modes.
Each
command
and
its
corresponding
function
will
be
described
later
in
this
chapter.
6-4

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