Graph35+E - OS:02.05.2201 - Internal Casio's RAM structure documentations
WARNING: this part is probably out-of-date and not sure !

##---
##	File Slot Cache
##---
88008350_struct		size: 8 bytes.
{
	uint32_t addr;		0
	uint8_t status;		4
	uint8_t info?[3]	5
}
@note:
	there are only 4 struct like this stored into the P1 area.
	It is used by Casio to store information about all currently oppened files.


##---
##	File Fragment Data Table
##---
8800842c_struct		size: 40 * 4 = 160 bytes.
{
	// File 0
	uint16_t internal_status;	// Internal Casio's value to determine if file used.
	uint16_t frag_id;		// Fragment ID.
	uint16_t type;			// always 0x0120
	uint16_t file_id;		// File ID.
	uint16_t unknown;		// 0x0002 (?)
	uint16_t frag_total;		// total number of fragments for this file.
	uint16_t frag_current_number;	// Current fragment number.
	uint16_t data_block_id;		// ID of blocks containing data for this fragment
	uint16_t data_offset;		// offset of fragment data in the given block
	uint16_t data_size;		// size of this fragment data -1
	uint8_t fill[12];		// 0x00, 0x00, 0x00, 0x00, 0x00 ...

	// File 1
	uint16_t internal_status;	// Internal Casio's value to determine if file used.
	uint16_t frag_id;		// Fragment ID.
	uint16_t type;			// always 0x0120
	uint16_t file_id;		// File ID.
	uint16_t unknown;		// 0x0002 (?)
	uint16_t frag_total;		// total number of fragments for this file.
	uint16_t frag_current_number;	// Current fragment number.
	uint16_t data_block_id;		// ID of blocks containing data for this fragment
	uint16_t data_offset;		// offset of fragment data in the given block
	uint16_t data_size;		// size of this fragment data -1
	uint8_t fill[12];		// 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, ...

	// File 2
	uint16_t internal_status;	// Internal Casio's value to determine if file used.
	uint16_t frag_id;		// Fragment ID.
	uint16_t type;			// always 0x0120
	uint16_t file_id;		// File ID.
	uint16_t unknown;		// 0x0002 (?)
	uint16_t frag_total;		// total number of fragments for this file.
	uint16_t frag_current_number;	// Current fragment number.
	uint16_t data_block_id;		// ID of blocks containing data for this fragment
	uint16_t data_offset;		// offset of fragment data in the given block
	uint16_t data_size;		// size of this fragment data -1
	uint8_t fill[12];		// 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, ...

	// File 3
	uint16_t internal_status;	// Internal Casio's value to determine if file used.
	uint16_t frag_id;		// Fragment ID.
	uint16_t type;			// always 0x0120
	uint16_t file_id;		// File ID.
	uint16_t unknown;		// 0x0002 (?)
	uint16_t frag_total;		// total number of fragments for this file.
	uint16_t frag_current_number;	// Current fragment number.
	uint16_t data_block_id;		// ID of blocks containing data for this fragment
	uint16_t data_offset;		// offset of fragment data in the given block
	uint16_t data_size;		// size of this fragment data -1
	uint8_t fill[12];		// 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, ...
}

##---
##	File information about ???
##---
88008584_struct		size : ?? bytes.
{
	uint32_t FS_id;		0
	void *addr0;		4
	void *addr1;		8
	void *addr2;		12
	uint8_t buffer0[32];	16
	uint8_t buffer1[32];	48
	uint16_t
}

##---
##	File information about ???
##---
88008354_struct		size : 32 bytes
{
	// File cache 0
	void *addr0;
	void *addr1;
}

##---
## Internal structure data for syscall 0x1e8
##---
struct_1e8 				offset
{
	void *addr0;				0
	FONTCHARACTER *file_name;		4
	uint16_t word;				8
	void *addr1;				12
	void *addr2;				16
	FONTCHARACTER FS_current_filename[12];	20
	FONTCHARACTER second_buffer[20]		48
	FONTCHARACTER *path; 			72
	uint32_t slot_info			76
};

##---
## Internal structure data for syscall 0x1d1
##---
struct_1d1					Offset
{
	FONTCHARACTER first_buffer[14];		0
	FONTCHARACTER second_buffer[10];	28
	void *addr0;				48
	void *addr1;				52
	FONTCHARACTER **first_arg;		56
	FONTCHARACTER **second_arg;		60
};