Bit-Image Commands - Ithaca PcOS Series 80PLUS Programmer's Manual

Epson Commands
Command Descriptions

Bit-Image Commands

Function
ASCII
Hexadecimal
Decimal
Range
Description
m
Mode
0 8-dot single-density
1 8-dot double-density
32 24-dot single-density
33 24-dot double-density
8-dot single-density mode representation is depicted below:
Top of bit-image
d1 d2 d3
Page 88
PcOS Series 80PLUS
Select bit-image mode
ESC *
1BH 2AH
<27> <42>
m = 0, 1, 32, 33
0 ≤ nL ≤ 255
0 ≤ nH ≤ 3
0 ≤ d ≤ 255
This command selects a bit-image mode using m for the number of dots
specified by nL and nH, as follows.
Vertical Direction
Number of
Dots
8
8
24
24
The nL and nH indicate the number of dots of the bit image in the
horizontal direction. The number of dots is calculated by nL + nH × 256.
If the bit-image data input exceeds the number of dots to be printed on a
line, the excess data is ignored.
d indicates the bit-image data. Set a corresponding bit to 1 to print a dot or
to 0 to not print a dot.
d4 .... .... .... ....
Rev B 4/13/99
Programmer's Guide
m nL
m nL
m nL
Horizontal Direction
Density Density
(dpi) (dpi)
68 102
68 203
203 102
203 203
→
.... dn
[EA]
nH d1 ... k
nH d1 ... k
nH d1 ... k
Amount of Data (K)
nL + nH × 256
nL + nH × 256
(nL + nH × 256) × 3
(nL + nH × 256) × 3
MSB
dn
LSB