Flipnote Files

*.ppm FILES

Start	Length	Description
0x0000	4	Magic (should be PARA)
0x0004	4	File size without the header or the preview image
0x0008	4	Zeroes
0x000C	2	# of frames
0x000E	4	Unknown - Flags? normal files are 24 00 00 00, locked files have 24 00 01 00 in this area
0x0012	2	Preview frame number ??
0x0014	22	Original author name (UCS-2)
0x002A	22	Author name (UCS-2)
0x0040	22	User name (UCS-2)
0x0056	8	Original author ID
0x005E	8	Author ID
0x0066	18	Original File-name - see notes on format
0x0078	18	File-name - see notes on format
0x008A	8	Mirrored author ID ??
0x0092	8	File name? - see notes on format
0x009A	6	Unknown - possibly date information
0x00A0	1536	Preview Bitmap (4 bits/pixel)

The file name seems to be stored in the file header 3 times:

• Original file name 0x0066
• Current file name 0x0078
• Partial file name 0x0092

The file name is stored in 3 parts:

• 3 hex bytes, the first byte's high nibble is not the same as the first byte of the file name
• 13 bytes for the central part of the file name
• 2 bytes for the last part of the file name.

For the file name : G35B20_0909841CDBEB1_002

• First location: D3 5B 20 30 39 30 39 38 34 31 43 44 42 45 42 31 00 00
• Second location: D3 5B 20 30 39 30 39 38 34 31 43 44 42 45 42 31 02 00
• Last location: D3 5B 20 09 09 84 1C DB

Palette:

Hex	Color
0x0	??
0x1	Dark grey
0x2	White
0x3	Light grey
0x4	Light red
0x5	Dark red
0x6	Pink
0x7	Pure green
0x8	Pure blue
0x9	Purple
0xA	Light blue
0xB	Pure green
0xC	Magenta
0xD	Pure green
0xE	Pure green
0xF	Pure green