Atari 800 Basic Reference Manual

H-4 Appendix
7080 ? II Et·HEF.: \' OR t·i'' j : HfliT A:f
7090 IF LEN( A$ >=0 TH£t ·i END
7100 IF A$(1 .. D=
11
Y'' THEt·i F.:ETU~:t·~
7110 END
7999 REt1 MSG F'R HH I HG F.~ OUT H~E
8000 ? t1SG$ .: II $" j At10Ut ·H
w 1ft IF PERt-1= 1 THHl LPF-: mr r· E;G:f .; " $" .; AMO
LINT
S"e20 F.:ETUF.li
810ft REt1 t1SG PRHH :s : INPUT ROUTHE
8110 TRAP 8110 : ? II Et-HER At'1CllJt·H FOR II j MSG
$; = INPUT At·10U~ · ~T
8120 TRAP 4000~3
8133 IF PERt·1=1 THEt·{ LPF.:HH M: :;G$ .: H :f!! .: Ar10
liNT
8140 RETURt-l

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