https://wikiti.brandonw.net/index.php?action=history&feed=atom&title=83Plus%3ABCALLs%3A809983Plus:BCALLs:8099 - Revision history2026-04-12T11:32:37ZRevision history for this page on the wikiMediaWiki 1.23.5https://wikiti.brandonw.net/index.php?title=83Plus:BCALLs:8099&diff=3871&oldid=prevFloppusMaximus: so is this one, come to think of it, but this one could actually be useful2006-02-08T01:14:32Z<p>so is this one, come to think of it, but this one could actually be useful</p>
<p><b>New page</b></p><div>[[Category:83Plus:BCALLs:By Name:Other|MarkOSValid]] [[Category:83Plus:BCALLs:By Name|MarkOSValid]] [[Category:83Plus:BCALLs:By Address|8099 - MarkOSValid]]<br />
== Synopsis ==<br />
'''Unofficial Name:''' MarkOSValid<br />
<br />
'''BCALL Address:''' 8099<br />
<br />
Clear bit 0 of certificate byte 1FE0h, which indicates that the OS has been successfully validated.<br />
<br />
=== Inputs ===<br />
''None''<br />
<br />
=== Outputs ===<br />
''None''<br />
<br />
=== Destroys ===<br />
* AF<br />
* [[83Plus:RAM:8478|OP1]], [[83Plus:RAM:8100|ramCode]]<br />
<br />
== Comments ==<br />
Flash must be [[83Plus:Ports:14|write enabled]] first.<br />
<br />
The reason for making this a B_CALL is not clear to me.</div>FloppusMaximus