Atari XL

106 The Atari XL Handbook
the screen colour we use the SETCOLOR
command to alter the contents of register 2.
The sixteen colours from which we make our choice
are represented by code numbers 0 to 15, as shown
in this table:
CODE COLOUR
0
GREY
1
GOLD
2
ORANGE
3
RED
4 PINK
5 VIOLET
6
PURPLE
7 LIGHT BLUE
8
DARK BLUE
9 BLUE GREEN
10
BLUE
11 DARK BLUE
12
GREEN
13
DARK GREEN
14 OLIVE GREEN
15
ORANGE
XL Colour Codes
The actual colour displayed depends on the third
parameter in the SETCOLOR command
luminance. This controls the brightness of the
colour and can have a value between 0 and 14. The