Unofficial Name: SetupOSPubKey
BCALL Address: 80FF
Minimum Hardware Version: 2
- A = OS header page (3Ah or 7Ah)
- Memory at 8000 contains the OS public key
- BC, DE
This routine is only available on the TI-84 Plus.
It loads the OS validation key, by analogy to SetupAppPubKey. As with SetupAppPubKey, it will always work if one of the freeware keys (04 or 0A) is requested; loading non-freeware keys requires Flash to be write-enabled first.