E
END,
56
, 65, 66
Enhanced Cartridge Interface
(ECI),
2
erase
computer's memory, 35
program lines, 38
screen,
31
spaces and lines,
32
Error message,
29
,
35,
37-38,
44, 46,
56,
68
Escape key,
14,
34,
40
expansion (see
ECI)
exponent, 47-48
F
FOR,58
FOR-NEXT,
57-63
nested FOR-NEXT loops,
62
with SOUND, 66, 68
FRE,42-43
frequency, 65
G
garbage error,
37
GOSUB-RETURN, 68
GOTO,
41,
46,
55,
56
to maintain graphics screen
display,
72
with SOUND,
66
graphic symbols,
17,
30-31, 40
graphics capabilities, 68-76
graphics modes, 68
H
mode
0,
69,
72
mode
1,
70-72,
73
mode
2,
70-72,
73
mode
3,
73-75
mode
5,
75-76
mode
7,
75-76
Help key,
9,11,14,34
IF-THEN, 52, 55-57
increments
in
counting loops, 59-60
infinite loops,
41,
50, 55,
56
INPUT, 43,
44,
53,
56
inserting
blank lines,
32
blank program lines, 38
blank spaces, 31-32
program lines, 36
Insert key, 15, 16,
31,
32
installation of your computer,
5-8
instruction line
limit,
29,
39
numbering,
35
,
36
INT,
51
international characters, 19
Inverse Video,
33
, 40
J
to change colors
in
graphics
mode
s,
71
,
73
to
test keyboard,
11
joystick,
26
K
Keyboard Test,
11
keys, descriptions of, 13-16
L
Left Arrow key, 16,
31
, 48
line break
s,
39
line numbering ,
35
, 36
LIST,
35
,
36
logical line, 39
loop
counting , 57-63
delay, 61-63
FOR-NEXT, 57-63, 66, 68
GOTO,
41,46,55,56,66,72
infinite,
41
,
50, 55,
56
lowercase, 29-30
to
change colors
in
graphics
modes,
71,
73
luminance, 69,
70
M
math functions
addition, 48
division, 49
multiplication, 49
order of execution,
49-50
subtraction, 48
math programs,
53
memory, 9-10,
23,
35, 36,
42-43
Memory Test,
9-10,
11
minus sign , 47, 48
modem,
26
130
To Next Page
Loading...
Need help?
General
