A
addition function,
48
alphanumeric va
ri
ab
le
s,
45
arrow keys, 16,
31,
47,
48
,
49
ATARI
BASIC (see
BASI
C)
Audio-Visual Test, 10
auto repeat,
29
B
BASIC
built-in
programming
language, 21-22,
23
disabling the language, 12,
21
bent arrow, 40
blank lines,
32
in
programs,
38
blank spaces, 31-32
Break key, 11, 14
,3
4,41,66,72
bugs,
57
BYE,
9,
12,
21
byte, 42-43
C
Caps key, 15, 17, 29-30,
31
caret, 48
caring for your computer, 8
cartridges
loading , 11-12,
24
software,
23
Clear key, 31,
40
clearing the computer's memory,
35
clearing the screen,
31,
40
colon,
42
COLOR,
73,
74-75
color registers, 69
changing
colors
in
,
71,73,74-75
designating, 73,
75
colors, 68-69
comma
in
numbers, 47
with
PRINT statements, 41-42
commands
COLOR,
73,
74-75
consolidating
on
one line,
42,
62
DIM, 43, 44, 45, 46
DRAWTO, 73-74
END
, 56, 65, 66
FOR-NEXT,
57-63, 66,
68
FRE
, 42-43
GOSUB-RETURN,
68
GOTO,
41, 46,
55,
56, 66,
72
IF-THEN,
52
, 55-57
1
29
INPUT, 43, 44, 53,
56
INT,51
LIST, 35,
36
NEW,
35
PLOT,
73
POKE,
19
PRINT, 37,
38,39,40,41,42,43,
44,
71, 72
PRINT
#6;,
71,72,
73
READ-DATA
,68
REM
, 46
hND
, 50-52
RUN,36
SETCOLOR, 69, 71, 72,
73,
74
,
75
SOUND, 65,
66
STEP,
59-60
TRAP,
56, 62,
68
compatibility, 23
Control key, 13, 15
for graphic
symbols, 17,
30-31
for international characters, 19
with arrow keys, 16,
31
with Caps key, 16, 17,
31
with Clear key, 31, 40
with Delete Back Space key , 16,
32
with
In
se
rt
key, 16,
31
with Tab key,
33
with 1 key, 15, 40
with 2 key, 15
with 3 key, 15
counting
loop, 57-63
cu rsor
cont
rol
, 31
D
DA
TA
(see READ)
default color, 69, 71, 73,
75
default luminanc
e,
70
delay loop, 61-63
Delete Back Space key, 14, 16,
32
deleting
lines,
32
program lines,
38
spaces,
32
DIM (dimensioning),
43,
44
,
45,
46
disk drive, 23,
24,
25
Di
sk
Operating System, 12,
21
display scree
n,
25
distortion, 65
-6
6
di
vision sign , 49
Down Arrow key, 16, 31
DRAWTO, 73-74
dummy
variable,
51
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