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Messages - persalteas

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Grammer / [RPG] 6th version of Herssahe
« on: August 08, 2013, 08:37:31 am »
EDIT: Current version attached to this post.

Hi everyone !

You may have heard about one of my best programs, the RPG Herssahe, in several versions for each calculator model.
The version 4.2 (full Basic) is still one of the best graphicals RPGs for TI-82 Stats/TI-83.

A bit later, but I was still a young child, I made the 5th version of Herssahe with Xlib, when Axe and Grammer did not exist yet :P
But now, I think it is too old, crap, and I wanted to make a great program with Grammer :)

So I announce the sixth version, made with Grammer, with grayscale graphics :)

Notable changes (in project ;) ) from the 5th version:
  • better AI in battles
  • better names of items, attacks and spells
  • items to retrieve and a true SCENARIO  ;D
  • Grayscale and abuse of the particles to make beautiful graphics and animations
  • Cheatcodes  :P and maybe texturepacks :)
  • weight halved

Please give me all your ideas, especially if you know stylish names for attacks, I have 9 different attacks to name and no imagination :P

Thank you !!

Progress of the program: 12%
The program ZDATA will be compressed when I will have finished to draw all the sprites I need, don't worry.

Other Calculators / Re: Your calculator collection
« on: July 23, 2013, 05:24:05 am »
Lol, you should buy her one and teach her about programming.
:D That's what i did (She has a TI-Nspire CAS, never switched On, still in its package, and I tried to explain her why and how to install Ndless), but that was not a good idea xD She does not understand too. :P

Other Calculators / Re: Your calculator collection
« on: July 22, 2013, 05:55:22 am »
Yes, sorry. Critor thought it was a "School Property" model, the first time he has seen it. It's a regular model, but painted.

Other Calculators / Re: Your calculator collection
« on: July 22, 2013, 05:24:02 am »
My calc collection grows up !  ;D
Adriweb (and some friends) offered me a wonderful, beautiful and awesome TI-Nspire CM-C for my 18th birthday !
A very big THANKS to him !

(And I just bought a Prizm, a 84, and a

Miscellaneous / Re: What is your avatar?
« on: June 14, 2013, 01:03:16 pm »
Yeah, like Sauron ;)

Miscellaneous / Re: What is your avatar?
« on: June 14, 2013, 12:45:28 pm »
To change of those eternal ponies, as I am a fanboy z80, I made an avatar explaining that the Nspire, it's evil, like Sauron :P

(By this post, both ponies fanboys and Nspire fanboys want to kick me :D )

News / Re: OS attacks nLaunch, Linux and Ndless!!
« on: June 14, 2013, 08:03:19 am »
Yes. Excuse me.

Other Calculators / Re: Graphing and CAS calculators history
« on: June 14, 2013, 07:35:53 am »
Yes, but the 3D version was hard to modify :P

So, I applied my corrections in 2D only, sorry :P

News / Re: OS attacks nLaunch, Linux and Ndless!!
« on: June 14, 2013, 07:30:51 am »
Except the fact that this anti-downgrade protection "surprised" us by coming on a "rare" 3.2.4 and not on 3.6 as expected, granted.

I think that what hapened with portuguese exams made emergency to block nlaunch. The OS 3.6 is not ready yet, so, it's a fast reaction step.

Other Calculators / Re: Graphing and CAS calculators history
« on: June 14, 2013, 04:46:12 am »
In France, production is stopped... retailers still have stock, but the production is stopped. I don't know about other countries, but I thought it is the same...

News / OS attacks nLaunch, Linux and Ndless!!
« on: June 14, 2013, 04:35:03 am »
OS 3.2.4. It is not available yet on Texas Instruments' website, but the latest TI-Nspire CX made ​​come with a new OS, the (source).

The TI-OSes include an "anti-downgrade" protection, a minimal installable OS version that they write in the NAND memory between the Boot2 and the Diags, an inaccessible area to different official reset procedures.

When installing, the OS increases this minimum version to if the number was lower.
Similarly, the OSes 3.2.0/3.2.2/3.2.3 increase it to

It officially becomes impossible to reinstall an OS version prior to the programmed number.
In practice, it was possible via two methods:
  • using a Ndless utility reprogramming itself this version number
  • using the nLaunch OS-pitcher who installs and launches the OS completely ignoring that version number
According to  a report this morning on TI-Planet, it seems that the OS greatly increases the minimum number of installable version that ... to a value which now refuses to install any previous OS to date, including OS 3.1, 3.2.0 or even 3.2.3!  D:

Therefore, if your new TI-Nspire comes with OS 3.2.4 or if you update your calculator with this OS, it officially becomes impossible for you to use Ndless because requiring the OS 3.1 and this just a few days of the exams. :(

The added bonus, the CAS-engine bugs introduced with OS 3.2 and not present on the OS 3.1 such as roots quotients are still here, and the prohibition to return to a version with CAS that worked better is simply incomprehensible from the point of view of users, even just a few days of the exams.

But does it remains always possible to override the anti-downgrade protection with nLaunch?

The OS 3.2.4 contains as added bonus a new version of the boot2: against since the OS

nLaunch exploited a flaw in the boot2, and you can bet, I think, that it has been corrected.

Therefore it also becomes officially impossible to use nLaunch and number of legitimate applications like:
  • make cohabit the OS 3.1 and 3.2 on the same calculator to enjoy the best of both worlds with both Ndless programs (3.1) and Lua programs (3.2)
  • Launch a Linux OS
It can be assumed that this OS is a response to the recent use of TI-Nspire CX launching TI-Nspire CX CAS OSes to the Portuguese exams that prohibit CAS, possibility that allows nLaunch although this has never been the goal of the authors (not mentioned in the ReadMe).

The only feasible and untested bypass to date would be the reprogramming of the boot2 via a TTL / USB adapter (called RS232) to connect to the Dock of the TI-Nspire:

So we especially recommend you to not update your calculator to OS 3.2.4, if ever it appeared in the coming days.

And if you already have a TI-Nspire CX with OS 3.2.4, to date you must certainly not erase it. Indeed, as it is not available on TI's website and as all existing OS are rejected, you will find yourself with a calculator without any OS usable! Again, a few days of the exams, it is not very smart ...  ::)

TI-Nspire / Re: [Ndless C] nRayC, a raycasting library for TI-Nspire
« on: June 13, 2013, 04:33:52 am »
tested and approved ;)

Thank you anyway, but no :P

We should reproduce this feature on a z80...

yes, obviously.


I am using this code found on TI-Calc to solve equations and inequalities  :thumbsup:

It works very well... excepted that it always ends on an error NO SIGN CHNG, which means that the solve command cannot found another solution.

Code: [Select]
:Input Str1
:If inString("=≠>≥<≤",Str0
:Disp "
:Goto 4
:Lbl 1
:Goto 4
:Lbl 2
:Goto 4
:Lbl 3
:Lbl 4
:Disp "
:If Str0="≠
:If Str0=">" or Str0="<
:If E<0 and Str0=">" or E>0 and Str0="<
:If Str0="≥" or Str0="≤
:If E<0 and Str0="≥" or E>0 and Str0="≤
:If I=5
:Goto 1
:If I=6
:Goto 2
:If I=7
:Goto 3

When you study how this program works, you can see that it always searches for 4 solutions to any equation, and gives the error if there is less than 4 solutions...

To prevent the error, is there any mean to know how many solutions the equation have  ??? ?
If I could know it at the begining of the program, I could forbid it to search for more solutions... and give errors.

Thank you for your help...

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