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Chapter 5
User-defined Characters
The Apex80 has several hundred different characters stored in its
ROM (Read Only Memory
Although this number includes draft,
italic, international, Character Graphics, and NLQ (Near Letter
Quality) characters, sometimes you may want to have a few more. For
those occasions when you need a special character or a few letters in a
different typeface, the Apex80 allows you to create your own characters
and print them just as if they were ordinary letters.
Defining Your Own Characters
The printout below displays a few such characters to give you an idea
of what can be done, but remember that these characters are truly
user-defined; you create what you need or want.
The procedure for designing a character is a simple three-step
process:
l Plan your character
l Run one program to test your work and calculate the required
DATA numbers
l Run another program to put the character in your printer’s RAM
(Random Access Memory) for use whenever you need it.
Because the high-resolution NLQ mode uses many more dots per
character than the draft mode, defining NLQ characters is somewhat
more complex than defining draft characters. You can find the
programs for defining NLQ characters at the end of this chapter.
After you have created your own characters with these programs,
certain keys that you seldom use generate the user-defined characters.
For example, you can type ( to print .
User-defined Characters
5-1