TI-83+ Link Protocol Guide - Miscellaneous

Miscellaneous

This topic contains various stuffs introduced with Ti-Connect which can not be put at another place.

Ready / Status

The protocol for getting status is shown below:
Step Direction Packet

1

Computer

===>

Calculator

RDY

2

<===

ACK with status

The 2 bytes after the MID & CID contains a status word. The status word may contain version information but this is unsure.
But, the bit #0 of the MSB contains status (0 = ready, 1 = not ready).

Creating a folder

Not applicable for this hand-held series.

Deleting a variable

The protocol for silently deleting a variable is shown below:
Step Direction Packet

1

Computer

===>

Calculator

DEL

2

<===

ACK
3

<===

ACK

Example (PC creating a folder on TI):
PC: 23 88 00 0B 00 00 00 41 00 00 00 00 00 00 00 41 00 Variable header: "A"
TI: 73 56 00 00 Acknowledgement of header
TI: 73 56 00 00 Acknowledgement of deletion ?

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