AT&T 6300 Programmer's Manual page 578

Programming the LUT
Each of the 4 time states is divided into four dither
states that determine the dithering effect. The
rows of the time state blocks correspond to the 4-
pixel blocks on the screen in the following way:
roo
23 23
Time
Palette Position
LUT
Block
Row
Row 0
.
•
.
15
0
0
1
1 t(O)
2
2
3 3
4
5
6
7
o
1
2
3
t(l)
8 0
9
1
t(2)
10
2
11 3
I-
12
0
13
1
t(3)
14 2
15 3
4-8