
Page 24
Epson Research and Development
Vancouver Design Center
S1D13706
Programming Notes and Examples
X31B-G-003-03
Issue Date: 01/02/23
8 bpp color
When the S1D13706 is configured for 8 bpp color mode all 256 entries in the LUT are used.
Each byte in the display buffer corresponds to one pixel and is used as an index value into
the LUT.
The S1D13706 LUT has six bits (64 intensities) of intensity control per primary color
which is the same as a standard VGA RAMDAC.
The following table shows LUT values that simulate the VGA default color palette.
Table 4-8: Suggested LUT Values to Simulate VGA Default 256 Color Palette
Index
R
G
B
Index
R
G
B
Index
R
G
B
Index
R
G
B
00
00
00
00
40
F0
70
70
80
30
30
70
C0
00
40
00
01
00
00
A0
41
F0
90
70
81
40
30
70
C1
00
40
10
02
00
A0
00
42
F0
B0
70
82
50
30
70
C2
00
40
20
03
00
A0
A0
43
F0
D0
70
83
60
30
70
C3
00
40
30
04
A0
00
00
44
F0
F0
70
84
70
30
70
C4
00
40
40
05
A0
00
A0
45
D0
F0
70
85
70
30
60
C5
00
30
40
06
A0
50
00
46
B0
F0
70
86
70
30
50
C6
00
20
40
07
A0
A0
A0
47
90
F0
70
87
70
30
40
C7
00
10
40
08
50
50
50
48
70
F0
70
88
70
30
30
C8
20
20
40
09
50
50
F0
49
70
F0
90
89
70
40
30
C9
20
20
40
0A
50
F0
50
4A
70
F0
B0
8A
70
50
30
CA
30
20
40
0B
50
F0
F0
4B
70
F0
D0
8B
70
60
30
CB
30
20
40
0C
F0
50
50
4C
70
F0
F0
8C
70
70
30
CC
40
20
40
0D
F0
50
F0
4D
70
D0
F0
8D
60
70
30
CD
40
20
30
0E
F0
F0
50
4E
70
B0
F0
8E
50
70
30
CE
40
20
30
0F
F0
F0
F0
4F
70
90
F0
8F
40
70
30
CF
40
20
20
10
00
00
00
50
B0
B0
F0
90
30
70
30
D0
40
20
20
11
10
10
10
51
C0
B0
F0
91
30
70
40
D1
40
20
20
12
20
20
20
52
D0
B0
F0
92
30
70
50
D2
40
30
20
13
20
20
20
53
E0
B0
F0
93
30
70
60
D3
40
30
20
14
30
30
30
54
F0
B0
F0
94
30
70
70
D4
40
40
20
15
40
40
40
55
F0
B0
E0
95
30
60
70
D5
30
40
20
16
50
50
50
56
F0
B0
D0
96
30
50
70
D6
30
40
20
17
60
60
60
57
F0
B0
C0
97
30
40
70
D7
20
40
20
18
70
70
70
58
F0
B0
B0
98
50
50
70
D8
20
40
20
19
80
80
80
59
F0
C0
B0
99
50
50
70
D9
20
40
20
1A
90
90
90
5A
F0
D0
B0
9A
60
50
70
DA
20
40
30
1B
A0
A0
A0
5B
F0
E0
B0
9B
60
50
70
DB
20
40
30
1C
B0
B0
B0
5C
F0
F0
B0
9C
70
50
70
DC
20
40
40
1D
C0
C0
C0
5D
E0
F0
B0
9D
70
50
60
DD
20
30
40
1E
E0
E0
E0
5E
D0
F0
B0
9E
70
50
60
DE
20
30
40
1F
F0
F0
F0
5F
C0
F0
B0
9F
70
50
50
DF
20
20
40
20
00
00
F0
60
B0
F0
B0
A0
70
50
50
E0
20
20
40
21
40
00
F0
61
B0
F0
C0
A1
70
50
50
E1
30
20
40
22
70
00
F0
62
B0
F0
D0
A2
70
60
50
E2
30
20
40