Epson Research and Development Page 23
Vancouver Design Center
Programming Notes and Examples S1D13505
Issue Date: 01/02/05 X23A-G-003-07
4 bpp color
When the S1D13505 is configured for 4 bpp color mode the first 16 entri es in the LUT are
used.
Each byte in the display buffer contains two adjacent pixels. The upper and lower nibbles
of the byte are used as indices into the LUT.
The following table shows LUT values that will simulate those of a VGA operating in 16
color mode.
Table 4-4: Suggested LUT Values to Simulate VGA Default 16 Color Palette
Index Red Green Blue
00 00 00 00
01 00 00 0A
02 00 0A 00
03 00 0A 0A
04 0A 00 00
05 0A 00 0A
06 0A 0A 00
07 0A 0A 0A
08 00 00 00
09 00 00 0F
0A 00 0F 00
0B 00 0F 0F
0C 0F 00 00
0D 0F 00 0F
0E 0F 0F 00
0F 0F 0F 0F
10 00 00 00
... 00 00 00
FF 00 00 00
= Indicates unused entries in the LUT