82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/* *****************************************************************************
|
|
* libg1m/format/cas.h -- the older CAS file 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_CAS_H
|
|
# define LIBG1M_FORMAT_CAS_H
|
|
# include <stdint.h>
|
|
# pragma pack(1)
|
|
|
|
/* This is the first CASIOLINK format. It is more or less a raw dump of the
|
|
* communications protocol the 9700 uses. It is basically an MCS file.
|
|
*
|
|
* A CASIOLINK-encoded file is made of one header and one or more parts.
|
|
* Each element is preceded by a 0x3A, and is a packet in the communications
|
|
* protocol interpretation. */
|
|
/* ************************************************************************** */
|
|
/* Header */
|
|
/* ************************************************************************** */
|
|
/* The header is the following: */
|
|
|
|
struct cas_header {
|
|
uint8_t data[2];
|
|
uint8_t misc[5]; /* type-specific subheader (miscallaneous data) */
|
|
uint8_t filename[12]; /* editor filename. */
|
|
uint8_t password[12]; /* editor password. */
|
|
uint8_t _reserved[7]; /* 0xFFs */
|
|
uint8_t checksum;
|
|
};
|
|
|
|
/* For a program, the specific bytes are the following: */
|
|
|
|
# define casiolink_program_uk0 0x01 /* <unknown> */
|
|
# define casiolink_program_stats 0x02 /* store stats data */
|
|
# define casiolink_program_matrix 0x04 /* matrix mode */
|
|
# define casiolink_program_uk1 0x08 /* <unknown */
|
|
# define casiolink_program_stddev 0x10 /* standard deviation mode */
|
|
# define casiolink_program_linreg 0x20 /* linear regression mode */
|
|
# define casiolink_program_basen 0x40 /* base-n mode */
|
|
# define casiolink_program_drawst 0x80 /* draw stats graph */
|
|
|
|
struct cas_spe_program {
|
|
uint8_t _unknown;
|
|
uint16_t length;
|
|
uint8_t flags;
|
|
uint8_t _unknown2;
|
|
};
|
|
|
|
/* The specific bytes are the same for a set of programs, but `flags` is
|
|
* not used, and the length is the size of all of the programs put together.
|
|
*
|
|
* Now, here are the specific bytes for a screenshot: */
|
|
|
|
struct cas_spe_screenshot {
|
|
uint8_t height;
|
|
uint8_t width;
|
|
uint8_t _unused[3];
|
|
};
|
|
|
|
/* The specific bytes for a number start with either "RA" or "CA", 'R' or 'C'
|
|
* meaning the number is complex or not. */
|
|
/* ************************************************************************** */
|
|
/* Content (parts) */
|
|
/* ************************************************************************** */
|
|
/* TODO */
|
|
|
|
# pragma pack()
|
|
#endif /* LIBG1M_FORMAT_CAS_H */
|