Chapter 6
Epson
Mode
Graphics
As applied
to
computers
and printers,
"graphics"
means
anything
that
is
not
a letter,
number,
or
symbol
generally found
on
a
typewriter
or
word
processor. Graphics includes everything
from
lines, boxes,
border
designs, and special logos, to graphs and
complete
drawings
that
are limited only
by
your
imagination.
The
MPS
1200 can
print
graphics in
two
different ways.
The
first
method
uses predefined characters called block and line graphic
characters.
It
is
handy
for designing forms, creating boxes,
draw-
ing lines,
and
so on.
The
MPS
1200 contains a complete set
of
block
and
line graphics
characters-the
Commodore
character set at
ASCII
161
to 223.
You
can see a complete list
of
these characters in
Appendix
B.
The
block graphics characters in the
Commodore
character set are
7 dots high; to connect the characters in
one
line
to
those in the
next
line
you
must
set the line spacing to
7172
-inch.
The
second
method,
called
dot
graphics, allows
you
to specify
exactly
where
each
and
every
dot
will be printed. It involves a little
more
work
in planning
and
programming,
but
the results are
worth
it.
DOT
GRAPHICS
When
you
send the
MPS
1200 a code for a character,
it
prints the
character using a
pattern
of
dots
stored
in its
memory.
To
print
a
pattern
of
dots that the
MPS
1200 does
not
have in its
memory-a
drawing
or
character
you
designed
yourself
for example,
you
need
to
control
the individual dots that are printed. This technique
is
called
dot
graphics.
6-1
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