Commodore 128D - Page 105

Graphics
Programming on
theC128
The following section describes a step-by-step graphics program
ming example. As you learn each graphics command, add it to a
program you will build as you read this section. When you are fin
ished, you will have a complete graphics program.
Choosing Colors
The first step in graphics programming is. to choose colors for the
screen background, foreground and border. To select colors, type:
COLOR source, color
where source is the section of the screen you are coloring (back
ground, foreground, border, etc.), and color is the color code for the
source. See Figure 6-1 for source numbers, Figure 6-2 for 40-
column-format color numbers, and Figure 6-3 for 80-column-format
color numbers.
Number Source
0 40-column background color (VIC)
1 Foreground for the graphics screen (VIC)
2 Foreground color 1 for the multicolor screen (VIC)
3 Foreground color 2 for the multicolor screen (VIC)
4 40-column (VIC) border (whether in text or graphics
mode)
5 Character color for 40- or 80-column text screen
6 80-column background color (8563)
Figure 6-1. Source Numbers
Color Code
1
2
3
4
5
6
7
8
Color
Black
White
Red
Cyan
Purple
Green
Blue
Yellow
Color Code
9
10
11
12
13
14
15
16
Color
Orange
Brown
Light Red
Dark Gray
Medium Gray
Light Green
Light Blue
Light Gray
Figure 6-2. Color Numbers in 40-Column Output
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USING C128 MODE—Color, Animation and Sprite Graphics Statements