The CEG (Continous Edge Graphic)-format is a raw picture format used by the Edsun cards with CEG-chips which provide some better look through anti-aliasing or something like that. The header before the data looks like this : OFFSET Count TYPE Description 0000h 1 word Version number of the CEG-format 0002h 9 char ID='Edsun CEG' 000Bh 1 byte Number of pixels per byte 000Ch 9 byte Reserved 0015h 80 char ASCIIZ copyright notice for the image 0065h 1 byte CEG-revision number (1) 0066h 1 byte Used CEG-mode (0..15) 0067h 1 Word Number of pixels per line 0069h 1 word Number of lines 006Ah 1 byte Old VGA-mode 006Bh 1 byte VGA Data flag : 0 - VGA registers are invalid 1 - VGA registers are valid 006Ch 92 byte VGA register data 00C2h 256 rec VGA palette entries 1 byte Value for red 1 byte Value for green 1 byte Value for blue 03C2h 1 word Year of file creation 03C4h 1 byte Day of file creation 03C5h 1 byte Month of file creation 03C6h 1 byte Hour of file creation 03C7h 1 byte Minute of file creation 03C8h 1 byte Second of file creation 03C9h 24 byte Reserved for future use EXTENSION:??? OCCURENCES:PC PROGRAMS:???
This information is from Corion.net and is used with permission.