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Octal
: Also known as base 8. The
octal
numbering
system
uses
the
digits 0 through
7.
Address
and
byte val ues are sometimes
given in octallorm.
OPEN
: To prepare a file for access by
specifying whether
an
input or output operation
will
be
conducted
,
along with the file-
spec.
Output
:
See
Input.
Parameter
:
Variables
in
a
command or
function
.
Peripheral
: An
1
/0
device.
POKEY
:
A
custom
1/0
chip
that manages communication on the
serial
bus and generates
sound on
the TV
speaker.
Random Accessing
: The method
of
reading data from
a disk-
ette directly
from the
byte
and
sector
where it was
stored
without
having
to
read the
entire file
sequentially.
Record
: A
block of
data, delimited by
EOl
(End-of-Line
,
98
Hex)
characters
.
Sector
: A sector is
the
smallest block of
data that
can
be written
to
a
disk
file
or
read from
a
file.
Each
single-density sector
can
store
128 bytes of data.
Sequential Accessing
: The method
of
reading
each byte
from
a
diskette file
in
order,
starting
from
the
first byte
in the
file
.
Source: The device
or address
that contains the
data
to be
sent
to a
destination.
See Destination.
Source Code
:
A
series of
instructions,
written
in a
language
other
than machine
language,
which
requires translation
in order
to be executed
.
String
:
A sequence of
letters
andlor characters usually
delim-
ited with
quotation
marks (")
.
System Diskette
: An
exact copy
of an
original Master
Diskette.
Always use
backup copies of
your
Master Diskette
instead of
the
original. Keep backup
copies of all important
data and program
diskettes.
Tokenizing
: The process
of
interpreting
textual
BASIC
source
code and converting
it
to the
internal
forma
t
used by
the
BASIC
interpreter.
123
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