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Messages - critor

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1936
Other Calculators / Re: TI-84 Plus OS
« on: September 11, 2010, 04:46:39 am »
Wait, what? TI still has it on their website? I knew it was available from Web Archive, but I would have thought they would have gotten rid of it elsewhere.

I'm going to download it now, so if/when I get an 84+ I don't need to resort to other means if TI has gotten rid of it by then.

EDIT: What was OS 0.46? Was it the one that had experimental printing capabilities?

It's not written on Brandon's web page, but the printing tests from OS 0.46 were also included from the beginning in OSes 2.21 and 2.22.
They've been removed in OS 2.30.


I have it now, and I applied the patches also  :D
Now I won't have to worry about ERR:VERSION!  :)

What patch ?

1937
News / Re: Jailbreaking a PS3 using a TI-84 Plus?
« on: September 10, 2010, 06:16:44 am »
Great, Brandon!
(as usual ;)

1938
TI Z80 / Re: TI-OS BASIC For( Bug Fixed
« on: September 06, 2010, 04:09:46 am »
I think the For bug exists for the TI-83+, TI-84+, and TI-84 SE and probably for the TI-83. Not sure about the 73 though.

Oh... It is going to be much harder to fix that on the TI-83...

I've patched TI-84+ OSes 2.30, 2.40, and 2.43 in a similar way.

I couldn't patch other OSes (TI-84+ 2.22 and older, TI-84+ 2.53MP, TI-83+, TI-73) because I couldn't find the matching code.


I had allteady noticed some memory leaks while using loops with the TI-Basic, nut I hadn't investigated it.

Could somebody show me an example of a TI-Basic code triggering the bug?

1939
TI Z80 / Re: TI-OS BASIC For( Bug Fixed
« on: September 05, 2010, 04:20:10 pm »
On which OS is that Basic-For-bug present ?

Only on 84+ OSes, or even on 83+ and 73 OSes ?

1940
I remember in one email that I got they gave me a link to a non TI website.

The question was something regarding a math function on the TI-89 (piecewise functions, I believe), and they gave me a link to an external website that described how to graph one on the TI-89.


I suppose he/she must have been fired since... :p

1941
You're wasting your time...

They can only give you links to the official web site, and to my knowledge, no technical information specific to the TI-84+ was ever published by them.

1942
I remember that, he just said all of them have 24 kb. It's kinda sad TI-82s have 4 more kb of ram over the 83/84+
And if you use OS 2.53MP/2.54MP, the available TI-84+ RAM size is decreased even more.........
Wow really? Pathetic :/

Yes!


With all TI-83+ OSes and TI-84+ OSes 0.46 to 2.48, you've got the same number of free bytes in RAM (24285).

With OSes 2.53MP/2.54MP, you've got a little less (23720).


You may say it's not a big loss.
But the problem is the available RAM on TI-83+/84+ was allready not a big thing in itself...

1943
I remember that, he just said all of them have 24 kb. It's kinda sad TI-82s have 4 more kb of ram over the 83/84+

The TI-83 has more available RAM than the TI-83+/84+ too.

The TI-83+/84+ are the worst from that perspective, with the TI-80 & TI-81.....

And if you use OS 2.53MP/2.54MP, the available TI-84+ RAM size is decreased even more.........

1944
Other Calculators / Re: TI-84+ SE = TI-83+ SE?
« on: August 12, 2010, 05:25:45 am »
TI-84+SE + 80kb RAM = TI-83+SE + USB

Brandon has patched the 2.53MP 84+ OS to be runnable on a TI-83+SE.

I've made similar patches in order to run OSes 2.30 to 2.43 on a TI-83+ or a TI-83+SE.
(2.53MP cannot be run on a TI-83+ beacause it only has 32Kb RAM, and the OS needs 48Kb for the MathPrint engine)

I couldn't patch previous OSes (0.46, 2.21 & 2.22) as I couldn't find the matching code.

1945
General Calculator Help / Re: How to obtain TI-81 rom?
« on: August 11, 2010, 05:30:54 pm »
The TI-81 roms were dumped by one (or group) of this fellows: Randy Compton, critor (I think he collects TI roms), Brandon Wilson or Benjamin Moody.

You're right.

The TI-81 ROM versions which have been dumped are 1.1K, 1.6V, 1.8V, and V2.0V.

Does anyone here still have a TI-81 with one of the unsupported ROM versions?

Missing ROM versions are to my knowledge:
* 1.0 (2 records: 04/1990 - 10/1990)
* 1.1 (1 record: 01/1991)
* 1.5K (1 record: 03/1991)
* 1.6V (1 record: 05/1991)
They are very rare, as they were only available for a few months, and only on the 1st TI-81 hardware (11 records: 04/1990 - 09/1991)
If you still have a TI-81 with one of those ROMs, it is very important to dump the ROM (as it may be the last one in the world), or to contact someone who can dump the ROM.
Else, those systems will be lost forever...
Thank you for helping us.


Now, about emulating the TI-81:
* The next release of TilEm should include a TI-81 emulator.
* TI-81 1.X ROMs can be patched to be runnable on a TI-85 or TI-86 emulator. Thoses patches are only available for ROMs 1.6K and 1.8K to my knowledge. On most emulators, you will need to contatenated the patched file severall times with itself, in order to get the right ROM size: 128Kb for a TI-85 ROM, 256Kb for a TI-86 ROM (else, the emulator won't accept it).
* TI-81 V2.0V ROM is special, because it comes with a TI-82 motherboard. So it will be runnable on a TI-82 emulator. On most emulators, you're going to need the previous concatenating-trick too (128Kb for a TI-82  ROM).

Have fun!

1946
News / Re: More free space on your Nspire with TNOC
« on: August 10, 2010, 10:12:12 pm »
I've edited the 1st post with a direct link to the tool.

You don't have to browse through the french news any more to get the link.

1947
News / Re: More free space on your Nspire with TNOC
« on: August 10, 2010, 10:04:06 pm »
Quick question--I already have boot 2 1.4.  What is the difference?

We don't know exactly. A better protection was an hypothesis.


The TNO/TNC update file is stored in the TI-Nspire filesystem ( /phoenix/install ).
It's that file that is being sent when updating another calculator.

As you allready have boot2 1.4, the 1.4 boot2 copy which is compressed in the TNO/TNC file is totally useless. You're wasting 1Mb... just remove it with TNOC! ;)

1948
News / More free space on your Nspire with TNOC
« on: August 10, 2010, 09:41:33 pm »
TNOC is a tool which lets you remove the boot2 and samples from a TNO/TNC file.

So you can:
* prevent your 1.1 boot2 from being updated to 1.4
* update your TI-Nspire faster (the 9Mb 2.1 OS takes so much time...)
* have more free space on your Nspire (3.5Mb with 2.X OSes, 3Mb on 1.7 OSes...)

Screen capture:


How much space can be gained with each OS ?


Before: original 2.1 OS installed just after formatting


After: our special 2.1 OS installed



All informations are available in the TI-Bank news (in french) -> http://ti.bank.free.fr/index.php?mod=news&ac=commentaires&id=850

We're looking forward to your comments ^^


Edit:
Direct link to TNOC 1.2 -> http://ti.bank.free.fr/index.php?mod=archives&ac=voir&id=1922

1949
Other Calculators / Re: TI-83 Plus Saves Student from Bullet
« on: August 03, 2010, 05:01:31 pm »
Yeah, the TI-80 was awful. It used the small font always (the screen was only 48*64, half the size of that on other calcs), so certain symbols, like *, took up more space than other characters. It also used a non-z80 processor. (Did we ever find out what processor it was, exactly?)
And nice on the RPG, DJ. I don't think I've said that yet ;D

Strangely, by looking at the TI-80 ROMs I've dumped (3.0 & 4.0), it seems to be a 16-bits processor.

1950
Other Calculators / Re: ti-nspire google group
« on: August 03, 2010, 04:46:06 pm »
Ok, bad move tinspire, now they are trying to directly insult calc84, the community. They have no right! We have been around much longer then they have, we have more experience then them in regards to them!
For those of you lost on my accusation, look at the newest posts of "we made it to xkcd' http://groups.google.com/group/tinspire/browse_thread/thread/2978472efdd30e01

the last two pages is when they start getting all bitchy about us >:(


Wait... it's getting even worse!

Now that they have understood that we don't only develop games but also educational programs... They're saying that those programs are useless (because everything is allready in the OS), that they often crash, and that they can return wrong answers.

Quote from: Wayne
The major problems with third-party mathematical or education programs
are the lack of accuracy, trustworthiness and support. There are many
thrid-party mathematical programs for the TI89 and TI92 hardware that
are published on ticalc.org and other websites by well-known
developers in the third party community. Many of these programs are
not needed because they duplicate built-in OS capabililty, are
inaccurate and vulnerable to random failures, or are mathematically
wrong in their entirety. An experienced mathematician can test these
products and determine which should be trusted and which should be
discarded. Unfortunately, the majority of the people who download
these third party programs are not equipped to make that
determination. As a result, inexperienced users download these
programs and think they are getting mathematically sound answers from
them.

If TI retains control of the development of applications, we can
expect at least some level of trustworthiness and support from TI. If
third party developers of mathematical or educational programs commit
to that same level of accuracy and trustworthiness of their creations
or to support their programs if they are found to be otherwise, then I
say let them have at it. If they not willing to support their
creations properly, then control of the platform should remain with
TI. In my experience, most third-part developers do not commit to the
accuracy and trustworthiness of their programs or to their support if
found to be mathematically wrong in some manner.

http://groups.google.com.au/group/tinspire/t/2978472efdd30e01?hl=en-GB%3Fhl%3Den-GB


So mCAS and AutoCalc for example are very bad programs -> I should stop developping them.

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