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Define download characters
Mode
ASCII
Decimal Hexadecimal
<ESC>
“&”
CO> nl
27 38
0 nl IB 26 00 nl
Std.
n2 m0 ml m2 n2 m0 ml m2 n2 m0 ml m2
dl dz dx
dl d.? _.. dx dl d.? ___ d.x
<ESC>
“=” co> nl
27 61
0 nl
1B 3D 00 nl
IBM n2 m0 ml m2 n2 m0 ml m2 n2 m0 ml m2
dr dz d.x dl d2 dx dl dz dx
Defines one or more new characters and stores them in RAM for later
use. DIP switch 2-l must be OFF; otherwise RAM is used as an input
buffer, not for downloading characters, and this command is ignored.
-
nl is the character code of the first character defined and &is the character
code of the last character defined. nl and n2 must both be between 33
- -
and 254. nl must be equal to or less than n2. Use of character codes 32
(space) and 127 (delete code) should be avoided if possible. The data for
each character start with three bytes specifying proportional spacing at-
tributes: the first byte, m0, specifies the left of the character; the second
byte, ml, specifies the character width; the third byte, m2, specifies the
right of the character. These values must not exceed the following max-
imum limits:
Character mode
ml m0 + ml i- m2
Draft characters
9
12
LQ pica characters
29 36
LQ elite characters
23 30
LQ semi-condensed
15 24
LQ proportional
37
42
Draft super/subscripts
7
12
LQ super/subscripts
23
36
LQ prop. super/subscripts
23
42
Next comes the dot data. Normal character height is 24 dots, so there
must be 3 x ml bytes of dot data. If the printer is in super/subscript mode,
however, the character height is 16 dots, so there must be 2 x ml bytes
of dot data.
Each data byte indicates eight vertical dots, with the MSB being the top
dot and the LSB the bottom dot.
For further details, please refer to the Appendix C.
Select download character set
Mode ASCII
Decimal Hexadecimal
<ESC>
“O/f0 M “I”
27 37 49
1B 25 31
Both
<ESC>
‘C% n <I>
27 37 1
1B 25 01
Selects the download character set. Ignored when DIP switch 2-l is ON.