Star Micronics XB-2425 User Manual page 119

Definedownloadcharacters
Mode
ASCII
Decimal Hexadecimal
cESC> "=" nl n2 'W'
27 61 nl W? 35
IB 3D
d d 23
IBM
d n4 d> n5
dn4
0?s n3n4 wtL5
ml ni?
m9
ml m2 ... m9 ml m2 ... m9
dl d2 """ ... dx
dl &? ... dx
dl d2 ... (ix
Definesnew charactemand storesthemin RAM forlateruse.EDS
switch A-2 must be set to "RAM DOWNLOAD"; otherwiseRAM is
used as an inputbuffer,not downloadingcharactem,and this com-
mand is ignored.
Downloading charactersin IBMmoderequiresDotPatterndataand
CharacterIndexTable data.
DotPatterndatacontrolswhichpinsfirewhenprintinga character.
IndexTable data is placedin a "lookuptable"that providesinfor-
mationon whereDot Patterndatais storedin memoryand defines
certainattributesof the character.
(nl + n2 x 256) givethe numberof bytesto be downloaded.
n3 and
n4
indicatethe loworderandhighorderaddressesin which
data is to be stored.
n3 shouldbe 15and
n4
shouldbe 128for this printer.
ti determinesthe character mode to be downloaded,as shown
below:
ns Character m ode
Character w idth
o Draft
10
1
LQ
pica 36
2 LQproportional
18-42
3
LQelite 30
ml through
m9
indicateIndexTabledata.
ml andm2indicatetheaddresswhereDotPatternisstored.
ml is the
high-oderbyte. m.?indicatesthenurnberofcolumnsinthecharacter
memory,and m4 indicatesthe numberof columnsin the character
less 1.
108