https://wikiti.brandonw.net/index.php?action=history&feed=atom&title=83Plus%3ABCALLs%3A80FF 2026-04-05T16:58:52Z Revision history for this page on the wiki MediaWiki 1.23.5 https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:80FF&diff=3858&oldid=prev 2005-12-26T03:03:12Z

<p></p> <p><b>New page</b></p><div>[[Category:83Plus:BCALLs:By Name:Cryptography|SetupOSPubKey]] [[Category:83Plus:BCALLs:By Name:Math:Big Integer|SetupOSPubKey]] [[Category:83Plus:BCALLs:By Name:Math|SetupOSPubKey]] [[Category:83Plus:BCALLs:By Name|SetupOSPubKey]] [[Category:83Plus:BCALLs:By Address|80FF - SetupOSPubKey]]<br /> == Synopsis ==<br /> '''Unofficial Name:''' SetupOSPubKey<br /> <br /> '''BCALL Address:''' 80FF<br /> <br /> '''Minimum Hardware Version:''' 2<br /> <br /> Loads the OS public key as a [[83Plus:OS:Big Integers|big integer]] into the [[83Plus:RAM:8000|appData]] area.<br /> <br /> === Inputs ===<br /> * A = OS header page (3Ah or 7Ah)<br /> <br /> === Outputs ===<br /> * Memory at [[83Plus:RAM:8000|8000]] contains the OS public key<br /> <br /> === Destroys ===<br /> * BC, DE<br /> <br /> == Comments ==<br /> This routine is only available on the TI-84 Plus.<br /> <br /> It loads the OS validation key, by analogy to [[83Plus:BCALLs:809F|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 [[83Plus:Ports:14|write-enabled]] first.</div>

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