Atari 800

A . Abbreviations, 4-5
Commands in headings, 4
ABS, 33
adata, 5
ADR,
35,63
aexp , 4
aop,4
Array, 3-4, 41
ASC,
37
ATASCII, 5, 40, C-1 through C-6
ATN, 34
Audio tra ck of cassette, 23
avar, 4
B BASIC, 1
Blanks (see Spaces)
Booting DOS, 25
Braces, 4
Brackets, 4
Branching,
Conditional Statements, 19
Unconditional Statements, 17
Brightness (see Luminance)
Bubble Sort Program, H-5
Buzzer, 14
Deferred Mode, F-1
Direct Mode, 14
BYE, 9
C C-Scale Program, 58
Central Input/Output Subsystem, 23
Character
Assigning Color to, 54
ATASCII,
C-1 through C-6
Displ
ay at specifie d locations, 46, 47
Set, internal, 55
Sizes
in Text modes, 46
Chaining Programs , 30
Ch
eckbook Balancer Program, H-1 through H-4
CHR$,
58
CIO (see Central Input/Output Subsystem) 6
CLEAR
key , 6
Clear Screen,
Deferred mode, 5, 14, 46
Direct mode, 6, 46
CLOAD, 24
CLOG, 33
CLOSE,27
CLR, 43
Codes,
Device, 23-24
Colons,
3, 61
COLOR,
48
INDEX
Color
Assigning, 54
Changing, 50
Default, 46, 51
Registers, 50
COM (see DIM)
Computer Blues Program , H-16
cmdno, 30
Comma, 26, 27
Command Strings , 1
Commands
BYE, 9
CONT, 9
END, 9
LET,
10
LIST, 10
NEW, 10
REM, 10
RUN , 11
STOP, 11
Conservation,
Memor y, 61
Constant , 2
CONT,
9
Controllers,
Game , 59
cos, 34
CSAVE, 24
Cursor , 9
Graphics, 49
Inhibit, 46
D Decimal/Hexadecimal Con ve rsion Program , H-18
Default
colors , 46
di sk drive, 24, 29
margins in Mode 0, 46
tab settings, 6
Deferr ed mod e, 5
DEG, 35
Devices, 23-24
Delete line, 13
DIM, 41
Direct mode, 5
Disk Driv e
Def au lt number , 24, 29
Requir e ments (see ATARI DOS Manual)
Disk file
Modification of BASIC program , 31
Displa y, s plit-screen override, 45, 47
Distor tion, 57
DOS, 25
DRAWTO , 48
Index 117