RETURN ...................................... 19,24,27,29
RGB ............................................. 95
RIGHT$ .......................................... 58
RND ...................................... 59,64,65,66
RND () ...................................... 64,65
ROM ............................................. 88
row by column coordinate ......................... 97
RTC ......................................... 122,125
RUN .............................. 19,35,36,47,89,114,132,134

S
SAVE ........................................... 130
SAVE ... BANK .................................. 130
Scientific notation .............................. 40
screen memory .................................... 97
SCREEN$ ......................................... 88
Scrolling ................................... 89,140
Scroll-prompt inhibitor .......................... 92
SD .............................................. 126
SDH files ....................................... 155
SELECT CASE ...................................... 19
select operator ? ............................ 16,19
semitone ........................................ 146
SGN ............................................. 55
SGN {...} .................................... 39,47,48
SHIFT ........................................... 93
SID files ....................................... 154
Signed ....................................... 45,46,47,48
signed expression ................................ 48
signed integer expressions ....................... 47
SIN ......................................... 60,62,63
sine ............................................ 62
single-dimension character array ................. 70
SPACE ........................................... 90
spatial resolution ............................... 96
SPRITE .................... 108,113,130,131,136,137
SPRITE AT ....................................... 139
SPRITE BANK ................................. 130,131
SPRITE BORDER ............................... 130,132
SPRITE CLEAR .................................... 130
SPRITE CONTINUE ............................. 137,139
SPRITE DIM ...................................... 132
Sprite functions ................................ 139
Sprite Layer ..................................... 81
SPRITE MOVE ..................................... 137
SPRITE MOVE INT ................................. 137
SPRITE OVER ..................................... 139
SPRITE PALETTE .................................. 135
SPRITE PALETTE BANK ............................. 135
SPRITE PAUSE .................................... 139
sprite ports ..................................... 128
SPRITE PRINT ................................ 130,131
SPRITE (Function) ............................... 139
SPRITE STOP ..................................... 137
Sprite System ............................... 101,128
SQR .......................................... 56,59
STEP ........................................ 22,23,26
Stereo control .................................. 153
stippling ....................................... 118
STOP ............................................ 90
STR ............................................. 53
Streams ......................................... 123
String .......................................... 53
String functions ................................. 53
String multiplication ............................ 50
String slicing ................................... 49
subexpression .................................... 48
subscript ........................................ 67
subscripted variables ........................ 67,68
subscripts ....................................... 69
substring ........................................ 58
SYMBOL SHIFT ..................................... 90
System Variables ............................. 93,122

T
TAB .................................... 82,88,89,92
tabulating character ............................. 88
TAN ......................................... 60,62,63
tangent .......................................... 62
Tempo ........................................... 152
Text windows ..................................... 82
The Copper .............................. 140,141,142,143
THEN ......................................... 16,17
tile ............................................. 80
TILE ....................................... 113,119
TILE AT ......................................... 119
TILE BANK ....................................... 119
TILE DIM ........................................ 119
tile offset ..................................... 120
TILE w,h AT x,y ................................. 119
TILE w,h AT x,y TO x2,y2 ........................ 120
TILE w,h TO x2,y2 ........................... 119,120
tilemap ......................................... 119
tiles ....................................... 119,120
TIME ........................................ 122,124
TIME$ ....................................... 123,124
Timex ............................................ 81
TL$ .............................................. 58
TO ...................................... 21,22,32,49
Tokenisation ..................................... 51
trailing modifers ................................ 51
transparency .................................... 130
transparency colour index ....................... 109
transparency colour mask ........................ 109