Atari 800 User Manual

CHAPTER 5.
AlARI BASIC REFERENCE GUIDE
This chapter provides descriptions and examples of the correct
syntax for Atari BASIC.
Each of the reserved words are listed in alphabetical order , along
with an appropriate abbreviation , if applicable.
The following notation will be used to describe the
configuration of each of the commands, statements, or
functions.
1. Capitalized words are keywords.
2. Items enclosed in brackets [ 1 are optional.
3. Ellipsis ( . .. ) represents repetition.
4. Punctuation (except brackets) must be included as shown .
5. The following symbols will be used :
LN Line number
EX Algebraic or logical expression (i.e. X>5, 3 + X,
X = 7)
X, Y, Z Numeric variable name
X$, Y$, Z$ String variable name
a, b, c Any number or numeric expression
a$, b$, c$ String value

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