Compuprint MDP 30FB, Programmer'S Manual

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n and m The n and m parameters are two decimal numbers that define the first and the
last characters to be replaced in the character set in use.
a
0
It sets space to the left of each proportional user-defined character.
a
1
Actual width of user-defined characters.
a
2
It sets space to the right of each proportional user-defined.
d
1
...d
n
They are the character data that is printed.
Maximum character width (height x width):
Print quality 10 cpi 12 cpi 15 cpi Proportional
Draft 24 x 12 24 x 10 24 x 8 Not available
Normal size 24 x 36 24 x 30 24 x 24 24 x 42 LQ
Super/subscript 16 x 36 16 x 30 16 x 24 16 x 42
ESC :
Copies characters from ROM to RAM. (EPSON)
ASCII Code ESC : NUL n m
Hexadecimal Value 1B 3A 00 n m
Decimal Value
27 58 n m
Range 0 < n < 127
m = 0
This code copies the character generator in ROM into RAM area dedicated to the user-
defined characters. The n parameter represents the LQ typestyle.