Atari 800

CONTENTS
PREFACE vii
1
GENERAL INFORMATION
Terminolog y
1
Sp ec ial Not a tions U se d In Thi s Manual 3
Abbre v iation s Used In This M anual
4
Operating Modes
5
Spec ial Fun c tion K eys 5
Arithmetic Operator s
6
Operator Precedence
7
Built-In Fun c tions
7
Graphics 8
Sound and Games 8
W ra pa round and Key board Rollover
8
Error Messages 8
2
COMMANDS
BYE
9
CONT
9
E ND
9
LET 10
LIST
10
NEW
10
REM 10
RUN 11
S TOP
11
3
EDIT FEATURES
Scr ee n E diting
13
Control (CTRL) Key
13
Shift Key 13
Doub le K ey F un c ti ons
14
Cursor Control Keys
14
K ey s Used W ith CTRL Key
14
Keys Used W ith Shi ft K ey
14
Special Function Key s
14
Br e ak Ke y
14
Escape Key
14
4
PROGRAM STATEMENTS
FOR/NE XT /S TE P
15
GOSUBIRETURN
16
GOTO
17
I F/T H EN
18
Contents iii