Atari 65XE

N
nested FOR-NEXT loops, 62
NEW, 35
NEXT, 58
(see FOR-NEXT)
numbers, 47
numeric variables, 45, 52, 55, 58
O
Operating System, 23
Option key, 9, 12, 14, 21, 34
order of mathematical functions, 49 -50
P
parentheses
for order of mathematical
functions, 49-50
with RND, 51
peripherals, 23, 24, 25, 26
pitch, 65, 67
pixel, 73
PLOT, 73
plus sign, 48
POKE, 19
PRINT, 37
abbreviation for (?), 39
in graphics modes, 71, 72
to clear screen, 40
to create blank lines, 38
two statements on one line, 42-43
with colon, 42
with comma, 41-42
with graphic symbols, 40
with semicolon, 42
with string variables, 44
PRINT#6;, 71, 72, 73
printer, 26
program recorder, 23, 24, 26
Q
question mark, 44
abbreviation for PRINT, 39
Question Mark key, 49
quotation marks
to clear screen, 40
with PRINT, 37, 40
R
RAM, 9, 10, 36, 42, 43
random numbers, 50-52
READ-DATA, 68
125
register
color, 69, 71, 73, 74, 75
sound, 65
REM, 46
Reset key, 9, 11, 14, 34, 72
RETURN (see GOSUB)
Return key, 16, 35
Right Arrow key, 15, 31, 48, 49
RND, 50-52
ROM, 9, 10, 23
RUN, 36
S
scientific notation, 47-48
screen display
format, 39
maintaining a graphics display, 72
stopping the LIST display, 40
Select key, 9, 14, 34
Self Test, 9-11
semicolon, 42, 44
SETCOLOR, 69, 71, 72, 73, 74-75
Shift key, 13, 15, 30
with Caps key, 16
with Clear key, 31, 40
with Delete Back Space key, 15, 32
with Insert key, 15, 32
with Right Arrow key, 48
with Tab key, 33
software
audiocassettes, 23, 24
built-in, 23
cartridges, 11-12, 23, 24
commercial, 23
compatibility, 23
diskettes, 23, 24
storing, 24, 25, 26
user-written, 21, 24
SOUND, 65-66
sound capabilities, 65-68
Start key, 9, 14, 34
starting point in counting loops, 59
STEP, 59-60
stopping point in counting loops, 59
stopping the screen display, 40
storing software. 24, 25, 26
string variables, 43, 44, 45, 55
subroutine, 68
subtraction function, 48