Known Protocol 7.00 commands by CASIO#

These commands have been defined by CASIO through their Protocol 7.00 implementations. Some may no longer be implemented on newer models.

00 “Restart”#

Restart or reset the device.

An example of such command is the following:

T ST EX  CS
. 00  0  70

01 “Get device information”#

Request an extended ACK with subtype 02, and a payload containing device information.

See Requesting device information for the related flow, and 0x06 – Acknowledgement (ACK) packet for more information regarding the payload format.

An example of such command is the following:

T ST EX  CS
. 01  0  6F

07 Verification 1 (OS Update)#

Todo

Describe this command.

08 Verification 2 (OS Update)#

Todo

Describe this command.

09 Verification 3 (OS Update)#

Todo

Describe this command.

0A Verification 4 (OS Update)#

Todo

Describe this command.

20 “Create directory” (main memory)#

Data 1 (D1)

Name of the directory to create.

Create a directory on the main memory root.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1    CS
. 20  1 001D 00 00 00000000  05  00  00  00  00  00 HELLO 9F

21 “Delete directory” (main memory)#

Data 1 (D1)

Name of the directory to delete.

Delete a directory on the main memory root.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1    CS
. 21  1 001D 00 00 00000000  05  00  00  00  00  00 HELLO 9E

22 “Rename directory” (main memory)#

Data 1 (D1)

Name of the directory to rename.

Data 2 (D2)

New name for the directory.

Rename a directory on the main memory root.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1    D2    CS
. 22  1 0022 00 00 00000000  05  05  00  00  00  00 HELLO WORLD 21

23 “Change working directory” (main memory)#

Data 1 (D1)

Name of the directory (or “” for root).

Change the working directory on the main memory.

Note

When provided and not empty, the directory name is always from the root, since the main memory doesn’t support more depth.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1    CS
. 23  1 001D 00 00 00000000  05  00  00  00  00  00 HELLO 9C

24 “Request file transfer” (main memory)#

Data Type (DT)

Main memory data type.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

Group name.

Request a main memory file to be transferred, using command 25 “Transfer file” (main memory).

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       CS
. 24  1 0026 00 01 00000000  06  08  00  00  00  00 system PLSOUMOI F5

25 “Transfer file” (main memory)#

Overwrite (OW)

Overwrite mode.

Data Type (DT)

Main memory data type.

Filesize (FS)

File size.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

Group name.

Transfer a main memory file.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       CS
. 25  1 0026 00 01 00012345  06  08  00  00  00  00 system PLSOUMOI E5

26 “Delete file” (main memory)#

Data Type (DT)

Main memory data type.

Filesize (FS)

File size.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

Group name.

Delete a main memory file.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       CS
. 26  1 0026 00 01 00012345  06  08  00  00  00  00 system PLSOUMOI E4

27 “Rename file” (main memory)#

Data Type (DT)

Main memory data type.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

New file name.

Rename a main memory file.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       D3       CS
. 27  1 002E 00 01 00000000  06  08  08  00  00  00 system PLSOUMOI PLUSMOIN 64

28 “Copy file” (main memory)#

Data Type (DT)

Main memory data type.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

New directory name.

Data 4 (D4)

New file name.

Copy a main memory file into another on the device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       D3     D4       CS
. 28  1 0034 00 01 00000000  06  08  06  08  00  00 system PLUSMOIN system PLMNCOPY CE

29 “Request transfer of all files” (main memory)#

Request all main memory files to be transferred using command 25 “Transfer file” (main memory).

An example of such command is the following:

T ST EX  CS
. 29  0  65

2A “Reset” (main memory)#

Reset main memory.

An example of such command is the following:

T ST EX  CS
. 2A  0  5D

2B “Request available capacity” (main memory)#

Request the available capacity on the main memory to be transferred using command 2C “Transfer available capacity” (main memory).

An example of such command is the following:

T ST EX  CS
. 2B  0  5C

2C “Transfer available capacity” (main memory)#

Filesize (FS)

Available capacity.

Transfer the available capacity on the main memory.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 CS
. 2C  1 0018 00 00 00123456  00  00  00  00  00  00 FC

2D “Request all file information” (main memory)#

Transfer information regarding all main memory files, using command 2E “Transfer file information” (main memory).

An example of such command is the following:

T ST EX  CS
. 2D  0  5A

2E “Transfer file information” (main memory)#

Data Type (DT)

Main memory data type.

Filesize (FS)

File size.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

Group name.

Transfer information regarding a main memory file.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1     D2       CS
. 2E  1 0026 00 01 00012345  06  08  00  00  00  00 system PLUSMOIN D6

2F “Request raw main memory”#

Request the raw main memory to be sent using command 30 “Transfer raw main memory”.

An example of such command is the following:

T ST EX  CS
. 2F  0  58

30 “Transfer raw main memory”#

Transfer the raw main memory.

An example of such command is the following:

T ST EX  CS
. 30  0  6D

31 “Request setup entry”#

Data 1 (D1)

Setup entry name.

Request a setup entry, to be sent using command 32 “Transfer setup entry”.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 CS
. 31  1 0018 00 00 00000000  00  00  00  00  00  00 22

32 “Transfer setup entry”#

Data 1 (D1)

Setup entry name.

Data 2 (D2)

Setup entry value.

Send a setup entry.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1    D2 CS
. 32  1 001F 00 00 00000000  05  02  00  00  00  00 Angle 01 C4

33 “Request all setup entries”#

Request all setup entries to be sent using command 32 “Transfer setup entry”.

An example of such command is the following:

T ST EX  CS
. 33  0  6A

40 “Create directory” (storage)#

Data 1 (D1)

Directory name.

Data 5 (D5)

Device name.

Create a directory on the provided storage device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1       D5   CS
. 40  1 0024 00 00 00000000  08  00  00  00  04  00 MYFOLDER fls0 42

41 “Delete directory” (storage)#

Data 1 (D1)

Directory name.

Data 5 (D5)

Device name.

Delete a directory on the provided storage device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1       D5   CS
. 41  1 0024 00 00 00000000  08  00  00  00  04  00 MYFOLDER fls0 41

42 “Rename directory” (storage)#

Data 1 (D1)

Directory name.

Data 2 (D2)

New directory name.

Data 5 (D5)

Device name.

Rename a directory on the provided storage device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1       D2       D5   CS
. 42  1 002C 00 00 00000000  08  08  00  00  04  00 MYFOLDER PRECIOUS fls0 BF

43 “Change working directory” (storage)#

Data 1 (D1)

Directory name.

Data 5 (D5)

Device name.

Update the working directory on the given device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1       D5   CS
. 43  1 0024 00 00 00000000  08  00  00  00  04  00 MYFOLDER fls0 3F

44 “Request file” (storage)#

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 5 (D5)

Device name.

Request for a file to be sent on the given device.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D1       D2          D5   CS
. 44  1 002F 00 00 00000000  08  0B  00  00  04  00 MYFOLDER MYADDIN.G1A fls0 2D

45 “Transfer file” (storage)#

Overwrite (OW)

Overwrite mode.

Filesize (FS)

File size.

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 5 (D5)

Device name.

Transfer a file to be sent on the given device.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D2          D5   CS
. 45  1 0027 02 00 00123456  00  0B  00  00  04  00 MYADDIN.G1A fls0 8E

46 “Delete file” (storage)#

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 5 (D5)

Device name.

Delete a file on the given device.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D2          D5   CS
. 46  1 0027 00 00 00000000  00  0B  00  00  04  00 MYADDIN.G1A fls0 A4

47 “Rename file” (storage)#

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

New file name.

Data 5 (D5)

Device name.

Rename a file on the given device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D2          D3           D5   CS
. 47  1 0033 00 00 00000000  00  0B  0C  00  04  00 MYADDIN.G1A GRAVDUCK.G1A fls0 55

48 “Copy file” (storage)#

Data 1 (D1)

Directory name.

Data 2 (D2)

File name.

Data 3 (D3)

New directory name.

Data 4 (D4)

New file name.

Data 5 (D5)

Device name.

Copy a file on the given device.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D2           D4          D5   CS
. 48  1 0033 00 00 00000000  00  0C  00  0B  04  00 ORIGNAME.G1A NEWNAME.G1A fls0 54

49 “Request all files” (storage)#

Data 5 (D5)

Storage device

Request all files to be transmitted using command 45 “Transfer file” (storage).

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 49  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 95

4A “Reset” (storage)#

Data 5 (D5)

Storage device

Reset a storage device.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 4A  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 8D

4B “Request available capacity” (storage)#

Data 5 (D5)

Storage device

Request the available capacity for a given storage device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 4B  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 8C

4C “Transfer available capacity” (storage)#

Filesize (FS)

Available capacity

Data 5 (D5)

Storage device

Provide the available capacity for a given storage device.

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 4C  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 8B

4D “Request all file information” (storage)#

Data 5 (D5)

Storage device

Request information from all files on the given storage device to be transferred.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 4D  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 8A

4E “Transfer file information” (storage)#

Filesize (FS)

File size

Data 1 (D1)

Directory name

Data 2 (D2)

File name

Data 5 (D5)

Storage device

Transfer information regarding a file.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D2          D5   CS
. 4E  1 0027 00 00 00000000  00  0B  00  00  04  00 MYADDIN.G1A fls0 95

4F “Request flash image”#

Todo

Describe this command.

50 “Transfer flash image”#

Todo

Describe this command.

51 “Optimize filesystem” (storage)#

Data 5 (D5)

Storage device

Transfer information regarding a file.

This command is used in the following use cases:

An example of such command is the following:

T ST EX DS   OW DT FS       SD1 SD2 SD3 SD4 SD5 SD6 D5   CS
. 51  1 001C 00 00 00000000  00  00  00  00  04  00 fls0 9C

52 “Request CASIOWIN entry transfer”#

Request the CASIOWIN entry to be transferred using command 53 “Transfer CASIOWIN entry”.

An example of such command is the following:

T ST EX  CS
. 52  0  69

53 “Transfer CASIOWIN entry”#

Transfer the CASIOWIN entry.

An example of such command is the following:

T ST EX  CS
. 53  0  68

54 “Request bootcode transfer”#

Request the bootcode to be transferred using command 55 “Transfer bootcode”.

An example of such command is the following:

T ST EX  CS
. 54  0  67

55 “Transfer bootcode”#

Transfer the bootcode.

An example of such command is the following:

T ST EX  CS
. 55  0  66

56 “Upload and run”#

Upload and run a specially crafted program.

Warning

Please do not use this command lightly, as uploading badly formatted programs or the incorrect program for your calculator can brick said calculator!

This command does not use the typical command payload, but a custom 24-bytes payload for which the format is the following:

Offset

Size

Name

Description

Values

0 (0x00)

8 B

Upload size

Size of the payload to upload.

8-char ASCII-HEX number.

8 (0x08)

8 B

Load address

RAM address at which to load the provided payload.

8-char ASCII-HEX number, usually set to 88030000.

16 (0x10)

8 B

Start address

Address which to jump to after successful upload.

8-char ASCII-HEX number, usually set to 88030000.

This command is used in the following use cases:

59 “Backup main memory” (fx-CG)#

Todo

Describe this command, known as “save Backup.g3m”.

5A “Restore main memory” (fx-CG)#

Todo

Describe this command, known as “restore Backup.g3m”.