Table 3-1: Colors in a Single Playfield
Number
of
Number
of
Colors
Bit-Planes
1 - 2 1
3 - 4 2
5-8
3
9 - 16 4
17
-
32
5
The
Color
Table
The
color table contains
32
registers, and you may load a different color into each of the
registers. Here is a condensed view of the contents of the color table:
Table 3-2: Portion of the Color Table
Register
Name
Contents
Meaning
COLORO
12
bits
User-defined color for the
background area and borders.
COLOR1 12 bits User-defined color number 1
(For example, the alternate color
selection for a two-color playfield).
COLOR2
12
bits User-defined color number
2.
COLOR31
12
bits
User-defined color number 31.
COL
ORO
is always reserved for the background color.
The
background color shows
in
any area on the display where there
is
no
other
object present and
is
also displayed out-
side the defined display, window, in the border area.
Playfield Hardware
35
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