DEFINING YOUR OWN 48-DOT CHARACTERS
You can define48-dot download characters. By downloading this 48-dot characters, you
can print fine characters.
Fundamentally,the processto define and print downloaded 48-dot characteris the sameas
for24-dot characters,except that you must supplyabout twice asmuch character data, and
you must indicatethe printer how many download data that will follow.
We will use atiny representation of atelephone symbolfor our example.
ASCIICode: 64
Leftspace: 3
Characterwidth 37
R,ghtspace: 2
F7Tsw4 p
Theprocedure to assign the character data is the same asthe 24-dot characters, except that
the vertical height istwice to it. So, our telephone symbol requires 186 character data.
In addition, it also requires the three attribute infomations for each character and three
bytes. Therefore, the telephone character ismade up with 192 byte data.
Whenyou want to download two pica characters with 48-dot, the download data shouldbe
381 data.
This value isdevided into two-byte data as shown in the following program.
To demonstrate how to define and to use the 48-dot download characters, let’s use the
“telephone” character and the other user-defined characters to print asmall graph. This
program will dojust that:
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