Author Topic: nTNOC: more free space on your Nspire & Ndless installation between calculators  (Read 5985 times)

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Offline critor

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TI-Nspire OS installation files are PKZIP archives. They include several useless big files which will reduce your TI-Nspire free space:
  • boot2.img and boot2.cer: a Boot2 image between 1 and 1.5MB useful for the Boot2 update (meaning useful 1 time in your TI-Nspire life...)
  • samples.zip: sample documents in 15 different versions between 1 and 2MB (one version for each Nspire supported language, although you'll probably won't be using more than 3 languages - only useful the first times you turn on your TI-Nspire in your life)



Levak had allready released the computer tool TNOC which let you remove those useless files from your TI-Nspire OS installation file.

But you needed a computer, you needed to install the modified file, and you needed to redo this for each OS installation/update on your handheld...



Now here comes my new Ndless 3.1 program: nTNOC!
It does the same thing as TNOC, but directly on the calculator! ;D

It automatically determines and removes useless files from the installed Nspire OS file.



Did you upgrade to 3.2 ?
Just downgrade to 3.1 and you'll get an additional 2MB free space! ;D
Then install Ndless 3.1, launch nTNOC and you'll get another 3MB additional free space! ;D
You're not dreaming: you can gain up to 5MB! ;D


On TI-Nspire ClickPad and TouchPad with a 32MB chip and 27.8MB usable, it's awesome! ;D



Do you think it's useless on TI-Nspire CX with the 128MB chip and 115.2MB usable?
I don't ;)
5 MB more mean:
  • dozens of additional PNG images for mViewer ;D
  • dozens of additional Game Boy, Game Boy Color or NES ROMs ;D
  • 1 to 5 additional Game Boy Advance ROMs ;D



If you often install / update / remove OS 3.1 or Ndless, you can also put nTNOC in the Ndless startup folder, so that it will clean up the freshly installed/updated OS automatically and silently at boot time if necessary. ;D





But there is another wonder with nTNOC... ;)

Up to now, you couldn't send an OS from an Ndlessed calculator, although it was working when I was testing the alpha versions. The remove calculator just refuses the received Ndlessed OS.

Guess what? :P
If you use nTNOC with your Ndlessed OS, you can then transfer it between calculators without any problem! ;D
Meaning that you can now install Ndless without the need of a computer - which should healp spreading Ndless more widely in the world! ;D

It seems that the Ndless 3.1 installer has a little bug with a bad offset/size value written when it patches the OS PKZIP archive, and that nTNOC just fixes it ;)





Download:
nTNOC

Source:
http://tiplanet.org/forum/viewtopic.php?f=43&t=9655
« Last Edit: July 18, 2012, 12:32:42 am by critor »
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Offline TheNlightenedOne

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You, sir, have just made my day. And since it's 12:22 AM, I'm going to be ecstatic for 23 hours and 38 minutes. Nice work! ;D
« Last Edit: July 19, 2012, 09:31:21 am by TheNlightenedOne »
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Offline DJ Omnimaga

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Wow that is awesome O.O. I'll most likely put it on my calc once I play some Nspire games again. I don't think my OS 3.1 install is TNOC'ed.

Also I see OSes are starting to grow in size again. x.x
« Last Edit: July 18, 2012, 01:42:46 am by DJ_O »
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Offline Lionel Debroux

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Great work, as usual ;)

In OS 2.1.0.631 for non-CAS Clickpad, the OS image's decompressed size was 9312468 bytes; in OS 3.0.1, 3.0.2 and 3.1.0, the size was 11.4-11.7e6 bytes, in OS 3.2.0.1212, the size is 13564284 bytes :(
This tool will therefore prove to be very useful, in order to alleviate, for users, the consequences of the bloat, and for Ndless installation. But that will last only as long as TI maintains the OS for Clickpad & Touchpad calculators; I think that they'll give up soon on that, rather than optimize their bloat...
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Offline DJ Omnimaga

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Yeah I kinda worry they'll do so eventually, since those OSes will eventually no longer fit.
In case you are wondering where I went, I am still regularly active in the TI community and am even making new TI-84 Plus CE games. However, I left Omnimaga back in March 2015 for various reasons explained here and there. I might come back one day, depending of certain circumstances, but my new TI community home (despite me being Omnimaga founder in 2001) is now CodeWalrus ( https://codewalr.us ). Sorry for the inconveniences.

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Offline Stefan Bauwens

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Awesome work Critor! Very well done! :D






 
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Offline Munchor

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This will probably com in handy, I don't have much space left with all my Pokémon Games, good job, thank you!

Offline Yeong

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wow additional 5MB :D
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Offline apcalc

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Great news!  This is a very useful tool! :)


Offline TheNlightenedOne

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Just regained 2 MB on my CX CAS. Now I have 99 MB free!
"Eris" (Ndless 3.1)
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Offline Deep Toaster

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That's really great! nTNOS is a lot more convenient than the normal TNOS. 5 MB on a calculator (any calculator) is a lot!
You, sir, have just made my day. And since it's 12:22 AM, I'm going to be ecstatic for 11 hours and 38 minutes.
You go to bed at noon? O.O




Offline TheNlightenedOne

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You, sir, have just made my day. And since it's 12:22 AM, I'm going to be ecstatic for 11 hours and 38 minutes.
You go to bed at noon? O.O

12:22 AM is just after midnight.
Oh wait, I meant 23 hours and 38 minutes... I feel like an idiot now :P I'm going to edit that post...
« Last Edit: July 19, 2012, 09:30:17 am by TheNlightenedOne »
"Eris" (Ndless 3.1)
"Keto" (Ndless 3.1)
"Luna" (AMS 3.10, HW4)
"Aurora" (2.55MP)

Offline annoyingcalc

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O.o? I just gained an extra 10mb, hopefully this is real :D
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Offline TheNlightenedOne

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Annoyingcalc, on a CX or a classic Nspire?
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Offline annoyingcalc

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Ti-nspire CX os 3.1.0.392
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