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Design Your Own Graphics
In this section we take you through the development of a graphics
program. The example is not especially complicated, but it does in-
clude the same steps you would use for a more complex figure so that
you have the basis for designing graphics on your LX-86.
You will plan your figure with dots on graph paper, but before
beginning to place the dots, you should decide which graphics density
you want. Figure 9-3 shows the differences between the three most-
used graphics modes so that you can choose the one you want.
Single
High-speed
Low-speed
Double
Double
Figure 9-3. Designing in different densities
In this figure you can see the main rules for graphics design in the
three densities. In single density no dots can be placed on vertical
lines. In high-speed double density dots can be placed on vertical
lines, but no dots can overlap. In low-speed double density dots can
be placed on vertical lines and they can overlap.
Now look at our figure designed for high-speed double density. It
should point you in the right direction for your own designs.
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