Atari 800 User Manual

38 User 's Handbo ok to the Atari 400/ 80 0 Comp ute rs
Illustration 3-1 contains an exa mple of the ent ry of a program in
the program mode and it s exec ution .
Illustration 3-1. Program Mode Entry & Execution
READY
NEW
READY
10 PRINT "Jim Smith"
20 PRINT "1220 Euclid Ave"
30 PRINT "Cleveland, OH 44122"
40 END
RUN
Jim Smith
1220 Euclid Ave
Cleveland,
OH 44122
READY
•
Line Numbers
In the pro gram mod e, progr am lin es mu st begin with a line
number. A line number is a one thr ough five digit number
entered at the beginning of a program lin e. The line number at
the beg
innin g of a pro gram line is the on ly difference between it
a nd an imm ediate mod e lin e.

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