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DOWNLOADCHARACTERCOMMANDS
Definedownloadcharacters
Mode
ASCII
Decimal
Hexadecimal
<ESC>"&" cO> nl
27 38
0
nl
IB 26 00
nl
std.
n2
mO
ml
m2
n2 mO
ml m2
n2 nil ml m2
d]
d2
...
h
d] d2 ... h
dl d2 ... &
Definesone or more new charactemand stores them in RAM for
later use. EDS switchA-2 must be set to
"RAM DOWNLOAD";oth-
erwise
RAMisusedas aninputbuffer,notdownloading characters,
and this commandis ignored.
nl is the charactercode of the first characterdefinedand n2 is the
charactercodeof the last characterdefined.
n]
mustbe equalto or
less than n2.
Thedataforeachcharacterstartwiththreebytesspecifyingpropor-
tionalspacingattributes:the first byte,
mO,specifies the
left of the
charactec the secondbyte, ml, specifiesthe characterwidth; the
third byte,m2, specifiesthe rightof the character.
Thesevaluesmust not exceedthe followingmaximumlimits:
Character m ode
ml
mo+
ml + m2
Draft
9
12
LQ pica
31
36
LQ elite
27
30
LQsemi-condensed
21
24
LQproportional
37
42
Draftsuper/subscript
7
12
LQsuper/subscript
19
36
LQprop.super/subscript
37
42
Nextcomesthedotdata.Normalcharacterheightis24 dots,sothere
mustbe 3 x
ml
bytesof dotdata.If the printeris in super/subscript
mode,however,thecharacterheightis 16dots,sotheremustbe 2 x
ml
bytes of dot data.
Eachdatabyteindicateseightverticaldots,withthemostsignificant
bit beingthe top dot, and the least significantbit beingthe bottom
dot.
For furtherdetails,pleaserefer to chapter8.
107
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