67 lines
3.3 KiB
C
67 lines
3.3 KiB
C
/* *****************************************************************************
|
|
* libg1m/format.h -- the G1M format description.
|
|
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
|
|
*
|
|
* This file is part of libg1m.
|
|
* libg1m is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 3.0 of the License,
|
|
* or (at your option) any later version.
|
|
*
|
|
* libg1m is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
|
|
* ************************************************************************** */
|
|
#ifndef LIBG1M_FORMAT_H
|
|
# define LIBG1M_FORMAT_H
|
|
# include <stdint.h>
|
|
|
|
/* Welcome on this new episode of the Monster Circus show! Today we'll present
|
|
* to you the different formats surrounding CASIO calculators: open or closed,
|
|
* legacy or legacy, obfuscated or not, I hope you'll enjoy them as much
|
|
* as I don't! */
|
|
/* ************************************************************************** */
|
|
/* The CASIOLINK (CAS) format */
|
|
/* ************************************************************************** */
|
|
/* This is the basic file format that CASIO used until around 2004, when the
|
|
* fx-9860G (Graph 85) came out. It is linked with the legacy protocol, which
|
|
* cannot be implemented with a good management of this format.
|
|
*
|
|
* All of the useful structures and constants are in the specific header.
|
|
* The function to get the libg1m MCS type out of the string types is in
|
|
* `libg1m/formatutils.h`. */
|
|
|
|
# include <libg1m/format/cas.h>
|
|
/* ************************************************************************** */
|
|
/* The FXI format */
|
|
/* ************************************************************************** */
|
|
/* fx-Interface, an old but well done proprietary interface by CASIO, has its
|
|
* own format: the FXI format. It's an obfuscated format (althrough the
|
|
* obfuscation algorithm has been found).
|
|
*
|
|
* It starts with the following obfuscated string: */
|
|
|
|
# define FXI_OBF_MAGIC "\x32\x30" "\xF8\xA1"
|
|
# define FXI_DEC_MAGIC "\xD5\xD7" "\x1F\x46" "FX-INTERFACE - YELLOW COMPUTING"
|
|
|
|
/* Followed by loads of zero, then, the content. The description of the rest
|
|
* of the format is described in this header: */
|
|
|
|
//# include <libg1m/format/fxi.h>
|
|
/* ************************************************************************** */
|
|
/* The G1M/STD format */
|
|
/* ************************************************************************** */
|
|
/* Since around 2004, CASIO has adopted a single "superformat"; we call it
|
|
* CASIO's standard format, or the G1M format (it doesn't really have a
|
|
* *public* name, other than its magics, like USBPower or CASIO).
|
|
*
|
|
* It doesn't have a single magic string, but a few. But the standard header
|
|
* has the same format, so we consider it as the same format. */
|
|
|
|
# include <libg1m/format/std.h>
|
|
#endif /* LIBG1M_FORMAT_H */
|