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Z80 & 68k Assembly =>
z80 & ez80 Assembly
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ticalcnoah
Member
Joined: 28 Oct 2007
Posts: 153
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 Posted: 14 Dec 2008 09:33:20 pm Post subject: |
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| Over at TIBD someone asked the interesting question how might you access the calculator ID? Is there a bcall of some sort? |
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darkstone knight
Advanced Member
Joined: 07 Sep 2008
Posts: 438
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| Posted: 15 Dec 2008 02:39:42 am Post subject: |
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uhm, check the "about" screen
2nd -> mem -> 1 |
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tr1p1ea
Elite
Joined: 03 Aug 2003
Posts: 870
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FloppusMaximus
Advanced Member
Joined: 22 Aug 2008
Posts: 472
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| Posted: 16 Dec 2008 12:26:59 am Post subject: |
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That routine only gets the first 5 bytes of the ID. (You don't need any more than that; the first 5 bytes uniquely identify the calculator.) There's no B_CALL for getting the last two bytes; indeed, I think part of the theory was that it was supposed to be difficult for user programs to obtain the full ID (though I don't understand why.) There are various ways you could hack around to try to get the full ID, but it's probably not worth it. Really the only thing you ever needed the full ID for was buying apps from TI's online store.
Fun fact: in 2001, a batch of TI-83 Pluses was produced that all had the ID number 04000-00000-8474. As far as I know these calculators were all recalled; I've never heard of one being found in the wild. |
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