Terms
a blank space character (ASCII code 32). For
example,
in
BASICbbPROG
there are two spaces between BASIC and PROG.
buffer
[parameters]
[expressions]
syntax
a number between 1 and 15. This refers to an
area
in
memory that BASIC uses to create and
access a disk file. Once you use a buffer to create
a file, you cannot use it to create or access any
other files; you must first close the file. You may
only access
an
open file with the buffer used to
open
it.
information you supply to specify how a command
is
to
operate. Parameters enclosed
in
brackets are
optional.
values you supply for a function to evaluate.
Expressions enclosed
in
brackets are optional.
a command with its parameter(s), or a function
with its argument(s). This shows the format to use
for entering a keyword
in
a program line.
Terms
Used
in
Chapter
7 for Brevity:
line
integer
string
number
dummy number
or dummy string
a numeric value that identifies a BASIC program
line. Each line has a number between
0 and
65529.
any integer expression.
It
may consist of an
integer, or several integers joined by operators.
Integers are whole numbers between
- 32768 and
32767.
any string expression.
It
may consist of a string, or
several strings joined by operators. A string is a
sequence of characters which
is
to be taken
verbatim.
any numeric expression.
It
may consist of a
number, or several numbers joined by operators.
a number (or string) used as a parameter to meet
syntactic requirements, but whose value is
insignificant.
2-4
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