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TI-84 Plus OS v2.40 Released
Posted by Michael on 28 January 2006, 21:58 GMT

TI has released v2.40 of its operating system for the TI-84 Plus and TI-84 Plus Silver Edition. They have again neglected to provide any description of new features or bug fixes in this version. However, it has been discovered that pressing Left+Right+On while the 84+ is off enters into a restricted mode designed for teachers to restrict calculators during tests.

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Re: TI-84 Plus OS v2.40 Released
Sam Kumar  Account Info
(Web Page)

wow, 2.4. They should update the 68k AMS now. Cool discovery! What, can you de-restrict it or something?

Reply to this comment    28 January 2006, 22:08 GMT

Re: Re: TI-84 Plus OS v2.40 Released
Sam Kumar  Account Info
(Web Page)

Calcgames.org and detached solutions is reporting that it is a "Push to Test" function (click website for more)

Reply to this comment    28 January 2006, 22:18 GMT


Re: Re: Re: TI-84 Plus OS v2.40 Released
Rhynomite  Account Info

I sent it to my calc before this feature was discovered, now I will have to resend 2.30 so as to keep my calc usable.

Reply to this comment    28 January 2006, 22:50 GMT


Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Rhynomite  Account Info

Usable in my book means "Safe to play games on"

Reply to this comment    28 January 2006, 22:51 GMT


Re: Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Num Account Info
(Web Page)

Sigh, I wish my 84+se was still with us... So many cool things for those Z80s...

Reply to this comment    1 February 2006, 13:23 GMT


Re: Re: Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Kevin Evans  Account Info
(Web Page)

When i upgraded, some flash apps on the ti84 silver didnt work anymore.... so i downgraded to version 1.2 (or what ever it is)

Reply to this comment    12 May 2007, 18:34 GMT

Re: Re: TI-84 Plus OS v2.40 Released
Jason Malinowski  Account Info
(Web Page)

Once a file is sent to the locked calculator by a calculator-to-calculator link (no computer links, apparently silent link doesn't do this), the locked calculator is unlocked.

Reply to this comment    28 January 2006, 23:25 GMT

Re: Re: Re: TI-84 Plus OS v2.40 Released
Kevin Kofler Account Info
(Web Page)

If you don't have another calculator to send stuff from, you can use the virtual link feature of TilEm (or VTI if you are into obsolete software). That way, your computer will pose as an actual calculator.

Reply to this comment    28 January 2006, 23:27 GMT


Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Andy Janata  Account Info
(Web Page)

Only if you have an old-school link cable, which most people with an 84+ do not have.

Reply to this comment    28 January 2006, 23:47 GMT


Re: Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Kevin Kofler Account Info
(Web Page)

Good point. The direct USB-USB connection cannot currently be used for virtual linking, and we don't even know for sure how feasible it is to map the calculator's USB chipset to the PC USB port in order to emulate USB-USB linking. So you need a SilverLink (USB GraphLink) or an old-school GraphLink. (And if you want to use VTI, even the SilverLink is not supported.)

Reply to this comment    29 January 2006, 00:23 GMT


Re: Re: Re: TI-84 Plus OS v2.40 Released
Benjamin Moody  Account Info

As I noted on DS, silent link works for me. I can't imagine that TI would deliberately set this up to only work from another calculator.

Maybe it's just silent USB link that doesn't work? That I can't test. If so I'd say that's another bug to add to the list for 2.41.

Reply to this comment    29 January 2006, 02:49 GMT


Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Jason Malinowski  Account Info
(Web Page)

Actually I sould correct myself; silent link works, you just have to send stuff (things like getting screenshots and such doesn't work.)

Reply to this comment    31 January 2006, 06:04 GMT

Re: Re: TI-84 Plus OS v2.40 Released
elfprince13 Account Info
(Web Page)

w00t w00t, I sent the News updatey thing to TiCalc.org hurray before it was posted (of course someone else may have too)

Reply to this comment    29 January 2006, 01:03 GMT


Re: Re: Re: TI-84 Plus OS v2.40 Released
MafiaMan  Account Info

me

Reply to this comment    30 January 2006, 01:54 GMT


Re: Re: TI-84 Plus OS v2.40 Released
ssnipers86 Account Info

is it just me, or did anyone else notice (and get extremely pissed at) the fact that there's no more lowercase letters? how do i fix this? PLEASE HELP ME.

Reply to this comment    15 April 2006, 01:46 GMT

Re: TI-84 Plus OS v2.40 Released
rzkiller  Account Info

I think it's preety cool a new thing comes out on a ti 84(nothing usually is released on this system) if any one finds out anything cool about this system please e mail me

Reply to this comment    29 January 2006, 00:10 GMT


Re: Re: TI-84 Plus OS v2.40 Released
CajunLuke  Account Info
(Web Page)

Um... read the posted links. That's what's interesting.

Reply to this comment    29 January 2006, 00:15 GMT

Re: TI-84 Plus OS v2.40 Released
Chaomerl Account Info

I don't mean to boast, but I was the first person to send the notice that OS 2.40 was released for the 84 to the TICalc.org News E-Mail Address. However, if you are using CODEX, do not turn off your calculator using 12:Asm(prgmCODEX), as when you turn it back on, you will have to remove the battery, but back in the battery, and turn it on to the GBSOD (Greenish Brown Screen of Death).

Reply to this comment    29 January 2006, 00:32 GMT

Re: Re: TI-84 Plus OS v2.40 Released
tdavis07  Account Info
(Web Page)

I noticed a while ago. I saw when I downloaded Notfolio for a friend earlier, and thought, what is this 2.40 OS? I look at their latest updates page, and it has been 2.30 for a long time after I saw 2.40

Reply to this comment    29 January 2006, 01:08 GMT


Re: Re: TI-84 Plus OS v2.40 Released
Nikky Southerland  Account Info
(Web Page)

"I don't mean to boast, but..."
Looks like you did anyway.

Reply to this comment    29 January 2006, 01:39 GMT

Re: TI-84 Plus OS v2.40 Released
jesse frey  Account Info

I wonder if you could build a device to plug into the link port that would transmit a file to the calc as if it was another calc. then all you would have to do was plug in the device and recive the file.

Reply to this comment    29 January 2006, 01:32 GMT

Re: Re: TI-84 Plus OS v2.40 Released
MafiaMan  Account Info

Or use a silverlink with a large to small usb converter and send a file to yourself. Too bad that's probably impossible.

Reply to this comment    30 January 2006, 01:59 GMT

Re: Re: TI-84 Plus OS v2.40 Released
Tyler C  Account Info
(Web Page)

I like your style.

Reply to this comment    30 January 2006, 20:37 GMT


Re: Re: TI-84 Plus OS v2.40 Released
burntfuse  Account Info
(Web Page)

Easily. That's the kind of thing I would build in a couple hours with a PIC. Since sending from the calc supposedly works too, it would just have to accept the right headers and send back ACK packets. Maybe I'll design one and upload the code/schematic...

Reply to this comment    30 January 2006, 22:49 GMT


Re: Re: Re: TI-84 Plus OS v2.40 Released
jesse frey  Account Info

I was thinking that if it was small enoughf teachers might not notice it. but that would be hard if it needed external power.

Reply to this comment    31 January 2006, 04:55 GMT


Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
Jason Malinowski  Account Info
(Web Page)

If it was USB, you could pull power from the USB port itself.

Reply to this comment    2 February 2006, 19:42 GMT


Re: Re: Re: Re: Re: TI-84 Plus OS v2.40 Released
burntfuse  Account Info
(Web Page)

Nah, PICs use so little power (a couple mA), that you could just charge a capacitor from the linkport. I think there are plans for a link port thermometer in the archives here where someone did the same thing. The final device (if you just wrap the PCB in duct tape or something) would probably be ~1 cubic inch, so size wouldn't be a problem - just stuff it in your pocket.

Reply to this comment    2 February 2006, 21:12 GMT

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