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Author Topic: Why is critor the smartest calc programmer ever :P  (Read 799 times)

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Offline STV

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Why is critor the smartest calc programmer ever :P
« on: May 31, 2016, 08:28:27 am »
    Well, 1-2 weeks ago, a mysterious programmer registered on TI-Planet an gave us that :
Quote from: nBootDude
Hi, I've got a present for you.
With this tool you can boot straight into linux, if you figure out how.
boot1 3.00.99 only, use the bundled nsNandMgr until a 'fixed' version is released.

After several hours of work from critor, Eurêka :
Quote from: critor
Got it ! :D
Linux straight from the Boot1 ! :bj:



Donc apparemment, le Manuf avec nBoot dedans permet de lancer du code non signé à mettre dans la partition Diags.
Et donc d'alterner entre l'OS Nspire et Linux avec la combinaison de démarrage :nses: :nsme: :nsmo: .

Sympa, plus besoin de forcément démarrer l'OS Nspire et activer Ndless pour lancer Linux, ce qui dans le contexte d'une prochaine mise à jour de l'OS est une bonne chose. :)

(Yeah, G translate for those who aren't Canadian in here :P)

So, he releases a little news, saying all the new possibilities which would be allowed by this :P And he works... on the most incredible Nspire tool ever  O.O

(click to show/hide)
(click to show/hide)
The dev is still ongoing, so stay tuned, but really critor almost killed me this time :crazy:
« Last Edit: May 31, 2016, 08:32:48 am by STV »


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Online aeTIos

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Well, either that's some kind of prank from critor, or maybe someone from TI decided to be cool :P
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Online DJ Omnimaga

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Wow that is pretty great! That was fast too from Critor. Also I did see nBoot being posted but I was a bit afraid of posting it here because it was not 100% finished and there was a big warning to not use it unless we knew what we were doing, but I assume that ControlX solves all of this? Either way, nice job :)
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Offline critor

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Wow that is pretty great! That was fast too from Critor.

It's been fast because ControlX can be seen as an nsNandMgr running in the Boot1 context (thus as soon as the calculator is powered on).
Most read-only features are present, and some of the write features (fixing minOS for downgrade for example).

Most code for such features was already ready by the time nBoot was released and comes from nsNandMgr.

So even if TI blocks both Ndless and downgrade in a next OS version, if you've installed ControlX on your HW<W Nspire CX, you'll still be able to go back and Ndless4ever ! :D


Please note that a part of ControlX source code is by Excale : the reboot-proof Ndless automatic installer.
And nBoot source code isn't by us.
« Last Edit: June 23, 2016, 08:22:58 pm by critor »

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That's great. :D. I hope TI won't release a new OS and hardware revision soon, though. :P

Thanks for the great work on this Critor and Excale :)
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Offline critor

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Unfortunately, TI-Nspire CX revision W are being assembled since november 2015.
The Boot1 3.0.0.99 exploit used by nBoot seems fixed in their new Boot1 4.0.1.

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That sucks. I thought most recent releases could also be hacked with this exploit D:
  • Calculators owned: TI-73, TI-80 (broken), TI-81, TI-82, TI-83, TI-83+ (broken), TI-83+ (broken), TI-83+SE (broken), TI-84+, TI-84+CSE, TI-84+CE, TI-85, TI-86, TI-89T, TI-92, TI-Nspire, TI-Nspire CX (semi-broken), HP 39gII, HP Prime, Casio fx-7000G, fx-7400G+, fx-7700GE, fx-9750G+, fx-9750GII, fx-9860G, cfx-9850G, FX-1.0+, fx-CG10, fx-CP400
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