This file best viewed in Emacs' -*- outline-mode -*-.

Each image is split into many files.  One for each 16k page, with
header information.  Also one descriptor file, containing pointers to
the page files.  This way multiple images can share the same data.

* Fields in the page image header:

** Magic number
   0x0680
** Size (page only)
   0x4000
** Checksum
   CRC-16 of the whole page
** Version
   string-32, 0-terminated
** Page number
   Byte
** Calculator model
   Byte, some undefined enum

* Fields in the descriptor file:

** Header
*** Magic Number
    0x1680
*** Size
*** Name
    string-32, 0-terminated

** Data
   List of these records:
*** Page number
    word
    0x00?? for a real page
    0xffff for final record
*** Checksum
    word
*** Version
    string-32, 0-term
*** Calculator model
    Byte, same undefined enum