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T h e d o t m a trix fo r a d ra ft-q u a lity c h a ra c te r is 8 cells h ig h a n d 11 cells
w ide. F ig u re C - l sh ow s th e m a trix w ith th e c a r sy m b o l filled in. N o te th a t
th e re are n o p a irs o f h o riz o n ta lly a d ja c e n t d o ts. T h e p in s in th e p r in t h e a d
c a n n o t fire fa st e n o u g h to p rin t a d ja c e n t d o ts in th e h o riz o n ta l d irec tio n .
T o th e p rin te r, a d r a f t c h a ra c te r is re p re se n te d by 11 b y te s o f d o t d a ta ,
o n e b y te fo r e a c h co lu m n . I f y o u a re w o rk in g by h a n d , y o u c a n ca lc u late
th e d a ta as sh o w n in F ig u re C - l a n d e n te r th e m via th e < E S C > " & " < 0 >
p rin te r c o m m a n d . I f y o u use th e p ro g ra m in th is a p p e n d ix , p ro c e e d as
follow s.
T h e p r o g ra m sta rts by a sk in g w h e th e r y o u w a n t to re a d c h a ra c te rs fro m
a n ex istin g file. I f y o u are g o in g to a d d th e c a r sy m b o l to a file o f d o w n lo a d
c h a ra c te rs y o u h av e a lre a d y g e n e ra te d , a n sw e r yes; if y o u a re g o in g to c re a te
a new file, an sw e r no. T h e a rro w o n th e screen togg les b etw e en Y es a n d
N o w hen an y key ex c ep t R e tu rn is p ressed . T h e R e tu rn key en te rs y o u r
choice.
In the sam e w ay th e p ro g ra m ask s y o u to select S ta n d a rd o r IB M m o d e
a n d d ra ft o r n e a r le tte r c|iiiilily, th en to co n firm w h e th e r to c o n tin u e o r s ta r t
ov er. C o n tin u in g , o n th e next screen th e p ro g ra m a sk s w h a t c h a ra c te r y o u
w a n t to red efin e, o ffe rin g th e ex clairm tio n m a rk (!) as a su g g estio n . I f y o u
w a n t to p rin t th e c a r sym b o l in place o! the e x c la m a tio n m a rk , press R e tu rn .
If y o u w a n t to assign the cat sy m bol In a n o lh e i c h a ra c te r, p ress th e key
o f th a t c h a ra c te r.
N e x t y o u m u st ch o o se w h e th e r In m ak e llie i
o r a d escen d er. T h is d e te rm in e s how tlie c h a n u ie t is .ented on the lin t:
A sce n d er CC
A fte r y o u press R e tu rn fo r th e a sc e n d er/d esc en d e i i h n io
th e c h a ra c te r bo x . Y o u c a n m o v e th e c u rso r w ith th r m im eiic k ey pad . F o r
ex a m p le , p ressin g th e " 6 " key m oves to the rig h t;
m o v es d ia g o n a lly d o w n to th e rig h t. T h e fu n ctio n keys . <mtiol die se ttin g
a n d c lea rin g o f d o ts. A fte r F I is p ressed the c u rso r clem s die d o t in e a c h
p o sitio n it is m o v e d to. F 3 ca u se s th e c u rso r to set d o ts I .' allow s the c u rs o r
to p ass o v er d o ts w ith o u t e ith e r se ttin g o r c lea rin g them
In d ra ft m o d e a d o t p o sitio n is a 2x2 c h a ra c te r block w ith th e c u rs o r
lo c a te d in th e u p p e r le ft c o rn e r o f th e blo ck . W h en a do! is set, a 2x3 b lo c k
o f s h a rp signs is d isp lay e d , p a rtly o v e rla p p in g the d o t p o sitio n to th e rig h t.
T h is reflects th e fac t th a t th e p rin te r c a n n o t p r in t h o riz o n ta lly a d ja c e n t d o ts.
T h e p ro g ra m a u to m a tic a lly ce n so rs a d ja c e n t d o ts.
92
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