[FFmpeg-soc] BFI

[Sisir Koppaka]

The BFI wiki page says(http://wiki.multimedia.cx/index.php?title=BFI) :

 bytes 60-827   ( +3C) 256 RGB triplets (6-bit VGA palette values)

 and also,
The video always encoded as palettized, 8-bit data.

How are these two the same? Yes, 8 bit data corresponds to 256 RGB triplets
but what is the '6-bit VGA palette values'? I'm finding some trouble here
handling the decoding, can anyone please help me with this?
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Sisir Koppaka