Star Micronics TSP400 Series Programmer's Manual page 86

Print high density graphics
FUNCTION
CODE
<ESC> "L"
1B
HEX
Prints high density dot graphics. The graphics image is 24 dots
REMARKS
high and n1 + n2
m1, m2, ... are the dot data, each a 1-byte value from 0 to 255
representing 24 vertical dots, with the most significant bit repre-
senting the top three and the least significant bit representing the
bottom three.
The number of data bytes must be n1 + n2
Dots beyond the right margin are ignored.
Relationship between image data and print dots
DOT Position
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
n1 n2
4C n1 n2
256 dots wide. Maximum width is 600 dots.
MSB Image data
D8 D7 D6 D5
– 83 –
m1 m2 ...
m1 m2 ...
256.
D4 D3 D2
LSB
D1