Atari 800 Basic Reference Manual

LET (LE.)
LIST (L.)
NEW
REM (R. or
·'*'491)
10 Commands
Format:
Example:
[LET] var = exp
LET X = 3.142 * 16
LET X= 2
This statement is optional in defining variables. It can just as easily be left out of
the statement. It may be used, however, to set a variable name equal to a value.
Format:
Examples:
LIST [lineno [ , lineno] ]
LIST [filespec [ ,lineno [ ,lineno] ] ]
LIST
LIST
10
LIST I 101 100
LIST npn
LIST
11
0: DEt10. LST"
This command causes the computer to display the source version of all lines cur-
rently in memory if the command is entered without line number(s), or to
display a specified line or lines. For example, LIST 10,100 mi!Im displays lines
10 through 100 on the screen. If the user has not typed the lines into the com-
puter in numerical order, a LIST will automatically place them in order.
Typing L. "P will print the RAM-resident program on the printer.
LIST can be used in Deferred mode as part of an error trapping routine (See
TRAP in Section 4).
The LIST command is also used in recording programs on cassette tape. The sec-
ond format is used and a filespec is entered. (See Section 5 for more details on
peripheral devices.) If the entire program is to be listed on tape, no line numbers
need be specified.
Example: LIST "C1"
1000 LIST "C1"
Format: NEW
Example: NEW
This command erases the program stored in RAM. Therefore, before typing
NEW, either SAVE or CSAVE any programs to be recovered and used later.
NEW clears BASIC's internal symbol table so that no arrays (See Section 8) or
strings (See Section 7) are defined. Used in Direct mode.
Format: REM text
Example:
10 REM ROUTINE TO CALCULATE X
This command and the text following it are for the user's information only. It is
ignored by the computer. However, it is included in a LIST along with the other
numbered lines. Any statement on the same numbered line which occurs after a
REM statement will be ignored.

Atari 800 Specifications

General

Brand	Atari
Model	800
Category	Desktop
Language	English