Known Protocol 7.00 command extensions in fxRemote

These commands are used by fxRemote’s Update.EXE program.

All commands described in this document have custom payloads.

70 “Write data”

Write data to an address.

This command uses a 8 + DL bytes payload, where DL is the size of the data to write. The format of the payload is the following:

Offset

Size

Name

Description

Values

0 (0x00)

4 B

Destination Address

Address on the bus to which to write.

Big endian 32-bit number, e.g. 0x88030000.

4 (0x04)

4 B

Data Length (DL)

Length of the data to write.

Big endian 32-bit number, e.g. 0x000003FC.

8 (0x08)

DL B

Data

Data to write to the address.

Binary data.

This command is used in the following use cases:

71 “Copy data”

Copy data from an address to another.

This command uses a 12 bytes payload, of which the format is the following:

Offset

Size

Name

Description

Values

0 (0x00)

4 B

Destination Address

Address on the bus to write to.

Big endian 32-bit number, e.g. 0xA0020000.

4 (0x04)

4 B

Data Length

Length of the data to copy from the source to the destination address.

Big endian 32-bit number, e.g. 0x00010000.

8 (0x08)

4 B

Source Address

Address on the bus to read from.

Big endian 32-bit number, e.g. 0x88030000.

This command is used in the following use cases:

72 “Clear a flash sector”

Clear a flash sector.

This command uses a 4 bytes payload, of which the format is the following:

Offset

Size

Name

Description

Values

0 (0x00)

4 B

Address

Address of the flash sector to clear.

Big endian 32-bit number, e.g. 0xA0010000.

This command is used in the following use cases:

76 “Get special data”

Get the 44 bytes at address 0xA000FFC0.

This command takes no payload.

The response to this command is actually made of two packets (instead of one):

Example data for an SH4 calculator is the following:

0000 0007 0000 0000  ........
0000 0000 0000 0000  ........
5870 4C55 4D4D 6567  XpLUMMeg
0000 5A5A 0000 001F  ..ZZ....
0000 DF1E 1030 0B00  .....0..
0000 2C00            ..,.

78 “Terminate flash procedure”

Terminate the flash procedure.

This command takes no payload.

This command is used in the following use cases: