Copies Characters From Rom To Ram. (Epson) - Printronix S828 Programmer's Manual

Programmer Manual
The data within brackets above is repeated for each character you define.
The parameters in the command have the following meaning:
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 It sets parameters for characters to be user-defined.
d1 ...d11 They are the character data that is printed.
The format of the attribute byte "a" is the following:
You can define characters 11-dots wide by 8-dots high. You must specify whether to define the upper or
lower 8 dots of the 9 dots available.
You can also specify the columns not printed on the left and right of the characters during proportional
spacing. Set both these parameters with the a parameter, as described in the following table:
Beginning Column
Column
Number
0
1
2
3
4
5
6
7
Add up the values for all three setting; the total will be the a value.
ESC :

Copies characters from ROM to RAM. (EPSON)

ASCII Code
Hexadecimal Value
Decimal Value 27 58 n0
This code copies the draft character generator in ROM into RAM area dedicated to the user-defined
characters. Also Courier or Gothic character generator font from ROM is copied to RAM memory according
to the following values of n parameter:
n Selection
0 Courier
1 Gothic
ESC =
Defines downloaded characters. (IBM)
ASCII Code ESC = n m id p [a1 a2 d1 ... d 11 ]
Hexadecimal Value 1B 3D n m id p [a1 a2 d1 ... d 11 ]
Decimal Value 27 61 n m id p [a1 a2 d1 ... d 11 ]
Chapter 1 EPSON/IBM Commands
Attribute byte table
Value Column
Number
0 0
16 1
32 2
48 3
64 4
80 5
96 6
128 7
8
9
10
11
ESC : NULn0
X'1B' X'3A' 00n00
Ending Column
Value
0
1
2
3
4
5
6
7
8
9
10
11
45
Upper/Lower 8 pins
Pin group Value
Upper 8 pins 128
Lower 8 pins
260071‐001A
PTX‐S828
0