Compuprint 10200 Programmer Manual - Manual (Page 64)

Commands
60
ESC &
Defines the 24-pin download characters. (EPSON)
ASCII Code ESC & NUL n m a
0
a
1
a
2
d
1
… d
x
Hexadecimal Value 1B 26 00 n m a
0
a
1
a
2
d
1
… d
x
Decimal Value 27 38 0 n m a
0
a
1
a
2
d
1
… d
x
Range 0 < n < 127
0 < m < 127
0 < = d
x
<= 255
a
0
a
1
a
2 :
see below
This escape sequence is used to download fonts into the printer. Once fonts have been
downloaded they can be selected by ESC % n.
Parameter n is the character position of the first character and parameter m is the character
position of the last character to be downloaded. For example, to download character “RST” the
user would specify n=52H and m=54H. Characters must be dowloaded to consecutive positions
after the first character. The parameters a
0
, a
1
and a
2
must be sent for each character being
downloaded and are known as the attribute bytes. Parameter a
0
specifies the number of dot
columns to be added before the character.
Parameter a
1
specifies the width of the character.Parameter a
2
specifies the number of dot
columns to add after the character. The parameters d
1
…d
x
represent the dot column data being
downloaded for each character. 2 or 3 data bytes represent 1 column of dots depending upon the
print mode type as shown below. Draft, Letter Quality and super/subscript fonts can be
downloaded. It is necessary to select the desired print mode prior to sending the download data.
Each dot column has a width of 1/120” in Draft and 1/360 in Letter Quality. Following are limits
of parameters a0,a1 and a2 for LQ Draft and Super/Subscript print mode at various character
pitches.
LQ DRAFT
10 cpi 12 cpi 15 cpi Prop Script Norm Script
a
1
29 23 15 39 23 9 7
a
0
+ a
1
+ a
2
36 30 24 42 36 12 12