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I
chapter 5
DOWNLOAD CHARACTERS
Withthisprinteryoucancreatenewcharacter andsymbols,downloadtheir
dotdata,andhavethemprintedinplaceof selectedcharactexxintheregular
characterset.Charactemthatcanbegeneratedinthiswayrangefromsimple
but useful symbols like the check mark through complex Chinese or
Japanesecharacters.
Regular characten are permanentlystored in the printer’s ROM, but
charactersyoudesignaredownloadedandstoredin RAMfor use.
DESIGNING YOUR OWNDRAFTCHARACTERS
Designingandprintingyourowncharactemhastwo requirements:firstly,
designingtheshapeofthecharacter,calculatingthedatanecessarytomake
the shape,and sendingthat datato the printer,and secondly,sendingthe
commandto printthe downloadedcharactersinsteadoftheregularcharac-
ters. There are a numberof designconstraintsfor downloaddraft quality
characters:
The matrixor gridon whichyoudesignthe charactersis sixboxeswide
by nineboxeshigh.
c Horizontally,dotsmaybecenteredinabox, ormaystraddlealine,making
theactualcharactergrid 11dotswideby9 dotshigh.Vertically,dotscan
onlybe centeredin a box.SeeFigure5-1.
Figure 5-1. Ootscan be inside boxes or straddle the vertical lines of the grid
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