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Chapter 8
User-Defined Characters
The LX-80 has 416 different characters stored in its ROM (Read
Only Memory). Although this number includes draft, italic, interna-
tional, special graphics, and Near Letter Quality characters, some-
times you would like to have a few more. For those occasions when
you need a special character or a few letters in a different typeface, the
LX-80 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.
c
c-2
v’
it-
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It may seem that designing a character and telling the LX-80 how
to print it would be extremely complicated, but we have reduced the
task to a simple three-step process: planning your character, running
one program that tests your work and calculates the required DATA
numbers, and running 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 (Near Letter Quality) mode
uses many more dots per character than the draft mode, defining
NLQ characters is somewhat more complex than defining draft char-
acters. You will find the programs for defining NLQ characters at the
end of this chapter.
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