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DEFININGYOUR OWNCHARACTERSWITH IBM
MODE
Downloadingfonts in IBM mode requires downloadingcharacter Dot
PatterndataandcharacterIndexTabledata.Dotpatterndatacontrolswhich
pins fim whenprintinga character.IndexTabledatais placedin a "lookup
table" that provides informationon where Dot Pattern data is stored in
memoryand definescertainattributesof the character.
Assigningthe downloadcharacterset
You can defineone of more downloadcharactersets for later use in IBM
mode.
Befo~ you startto designyour characters,youmustdefinewhatcharacter
set(s) you wantto download.
The characterwidthon whichyou designthe charactemdependsupon the
characterset as shownbelow:
Characterset
Characterwidth CharacterID
Draftcharactem
9
0
LQ picacharactem
35
1
LQ elitecharactem
29
2
LQ proportional
17-41
3
Afteryouhavedecidedyourdownloadcharacterset,youmusttelltheprinter
wherethe downloadcharacterdata to be stored,and how many download
charactersets you willdefine.
The first downloadfontareastartsfrom<8001bh,and youmustenterOfor
the Formatbyte.
ThisFormatbyteindicatesthe printerthatthe RAMis storedthe download
characterset
Followingtheformatbyte,youmustentertheCharacterIDdata.If youwant
to definemom characterset, add 128to the CharacterID data.
ThesecondareastartsfromK891 l>h,the thirdamastartsfmm<9212>h, a nd
the last area starts from <9B13>h.But you need not enter Formatbyte for
these area.
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