Dot Matrix Printer User's Manual

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Theminimumwidthof a characteris fivedots.
Theuser-definedcharactersmayuseeightdotsvertically.
Dotscannotoverlap— thatis, youmaynothavea dotinsideaboxnext
to onethat is on a line.
Youmay defineanypositionin theASCIItable.
PhotocopythegridinFigure5-2tohelpdesignyournewcharacters.Wewill
use a tiny representationof a car-shapedsymbolfor our example.
ASCII Code:
Descender:
Left
spxc:
Lwt column:
mo = Descender x 128
+ (Left x 16)
+ Last
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Figure
5-2. Use this grid (or one similar to it) to define your own draft characters
Definingtheattributedata
Beforeyoustartthedefinition,youwillneedtodecideexactlywherein the
regularASCIIsetyouwanttoplaceyourcharacters.Aftcrdownloading,you
access your new character by sending the code for the character you
replaced.
Next you must choosewhetherto make the car symbolan ascenderor a
descender.Thisdetermineshowthe characteris seatedon theline:
Asce rider : ‘;:::.!:::
pe~ce ~der : :’:”l:,:.:::;:
Wedecidedthatourcarsymbolwillnotbea “descender”,so afigure”1“is
writtennextto Descenderonthegrid.Ifyourcharacterisadescender,write
a “O”nextto Descender.
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