Atari 130XE User Manual

STOP
STO.
Causes the program to stop but does
not
close files or turn off sounds.
STR$
Returns a
character string equal to
the numeric
value given. (For
exampl
e, STR$(65) returns 65 as a
string.)
THEN Used with
I F. If the expression is
true, the TH EN statements are
executed.
If the expression is false,
control passes to the next line.
TO Used with FOR , as in "FOR X =
TO 10." Separates the loop range
expressions.
TRAP
1. Takes control of the program in case
of
an INPUT error and directs
execution to a specified
line number.
USR
Returns the results of a machine-
language subroutine.
VAL
Returns the equivalent numeric value
of a string.
XIO X. Used with disk operations (see Disk
Operating System manual) and
in
graphics work. Functions as a
general
I/O statement.
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Atari 130XE Specifications

General

Type	Home computer
Release year	1985
CPU	MOS Technology 6502C
CPU Speed	1.79 MHz
RAM	128 KB
ROM	24 KB
Graphics	ANTIC and GTIA chips
Manufacturer	Atari
Display resolution	320x192
Sound	POKEY chip, 4 channels
Storage	External floppy disk drive, cassette tape
Ports	2 joystick ports
Operating System	Atari BASIC