Atari 800 User Manual

Introduction to Atari BASIC 53
Table 3-1. Order of Evaluation
Operator Description
Parentheses
( ) Used to alter order
of evaluation.
A
Ex ponentiation
-
Unary Minus
Arithmetic
*
Multiplication
Operators / Division
+
Addition
-
Subtraction
=
Equal To
-<>
Not Equa l To
Relational
-<
Less Than
Operators
>
Greater Than
-<=
Less Than or Equal To
>=
Greater Than or Equal To
Boolean
NOT
Logical Complement
Operators
AND Logi ca l AND
OR Logical OR
Arithmetic Operations
The
symbols used for add iti on, s ubtraction, multiplication ,
d ivision, and exponen ti atio n are known as arithmetic operators
in
BASIC. Th e sy mb ols + a nd - are used for addition and
subtraction respective l y. The asterik (*) is us ed to indi ca te
multipli cat ion , w hile the slash (/ ) is us ed to indicate division .
Wh en a + or - sig n pr ecedes a numb er, the symbol is u se d to
specify that numb er's sign. When + or - is u se d to c hang e a

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS