Star Micronics RS232 - Manual (Page 47)

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STAR MODE
FUNCTION
Print high density graphics
CODE <ESC> “L” n1 n2 m1 m2 ...
HEX 1B 4C n1 n2 m1 m2 ...
REMARKS Prints high density dot graphics. The graphics image is 24 dots
high and n1 + n2
×
256 dots wide. Maximum width is 576 dots.
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
×
256.
Dots beyond the right margin are ignored.
Relationship between image data and print dots
D8
MSB
DOT Position
Image data LSB
D7 D6 D5 D4 D3 D2 D1
1
1
2
3
4
22
21
23
24
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20