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Author Topic: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX  (Read 17642 times)

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Offline Munchor

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #15 on: March 04, 2011, 04:58:08 pm »
Quote from: ztrumpet on March 04, 2011, 04:23:54 pm
That's too bad.
I hope an emulator comes out eventually. :)

Apcalc, I changed that "code" tag to a "quote" tag as it was messing with the front page.  I hope you don't mind. ;)

I believe calc84maniac is working on one.
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Offline ztrumpet

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #16 on: March 04, 2011, 05:04:59 pm »
Quote from: Scout on March 04, 2011, 04:58:08 pm
Quote from: ztrumpet on March 04, 2011, 04:23:54 pm
That's too bad.
I hope an emulator comes out eventually. :)

Apcalc, I changed that "code" tag to a "quote" tag as it was messing with the front page.  I hope you don't mind. ;)

I believe calc84maniac is working on one.
The one that he had around April last year's source got lost.  I'm not sure if he restarted it. ;)
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Offline yunhua98

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #17 on: March 04, 2011, 05:06:30 pm »
hmm...  how would the 84 be emulated?  would it be possible to allow greyscale to show up as perfect grey since its a color screen anyway?  Assumming someone makes an emu.
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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #18 on: March 04, 2011, 06:06:06 pm »
That's not really an issue :P the screen is capable of many shades of grey, but if I was making it I'd make it the easy way first ie no emulated grey.

I'm willing to bet that the old Nspire will have it's own OS files, maybe with a different RSA key than the newer one too.
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Offline z80man

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #19 on: March 04, 2011, 11:45:01 pm »
This reminds me of my planned z80 emulator for the Prizm. My gray scale tatic for color screens is to first remember that unlike on the 83+ black is represented by the number 1 and white by 0. Then considering that the screen is 16 bit color you need to find the proper gray values. To keep in mind the limited processing capability of a calculator I would emulate only 8 shades of gray. For the sake of simplicity I am going to illustrate this in a 24 bit color system now as it would be to difficult to explain the 5 6 5 color system in hex.

When a command is given to the lcd (via port $11) and the byte currently being referenced is white ($FFFFFF) each pixel will be decremented by $202020 which represents the first shade of gray. (note: each pixel is actually a block of pixels on either the Prizm or nspire to compensate for the higher resolution). Every so many milliseconds an lcd drawer will initialized. What this will do each iteration is continually decrement each non-(white or black) pixel by $202020 until it reaches $000000 (black). This should hopefully give an accurate representation of the 83+ screen without causing slowdowns.
« Last Edit: March 05, 2011, 12:52:34 am by z80man »
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Offline DJ Omnimaga

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #20 on: March 05, 2011, 12:06:06 am »
Quote from: yunhua98 on March 04, 2011, 05:06:30 pm
hmm...  how would the 84 be emulated?  would it be possible to allow greyscale to show up as perfect grey since its a color screen anyway?  Assumming someone makes an emu.
I don't think so. It would require 84+ games to be modified greatly. And yes calc84maniac was working on a 84+ emulator (that also emulated the 83+)
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Offline fb39ca4

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #21 on: March 06, 2011, 09:32:49 am »
Personally, I think the 8x grayscale games were meant to be played the original way.
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Offline TIfanx1999

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #22 on: March 06, 2011, 09:41:16 am »
I have to say, this really isn't surprising to me. I'd take this as further evidence that TI is moving away from the "transition" period and moving to establish the Nspire as a separate line. Of course, the hints were there when they stopped packaging the TI-84 keypads with newer Nspires.
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Offline DJ Omnimaga

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #23 on: March 06, 2011, 02:40:08 pm »
TI is unintentionally (or intentionally? :P) converting people to Casio : :evillaugh:

http://www.cemetech.net/forum/viewtopic.php?t=5861
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Offline TIfanx1999

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #24 on: March 09, 2011, 09:23:01 am »
Hmmm... that was quite a good read actually. :)
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Offline DJ Omnimaga

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #25 on: March 10, 2011, 03:29:02 am »
Indeed. Also as for now the two most active TI forums are now hybrid of TI-Casio. :P
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Offline TIfanx1999

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #26 on: March 10, 2011, 04:01:23 am »
Yep, kind of surprising. I'm sure many who've been around for a while never thought they would see this day. :P As for me, I'm happy Casio is getting decent attention. The Prizm seems like a very nice calculator, and I'm definitely getting one. :)
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Offline DJ Omnimaga

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Re: Confirmed: No TI-84 Plus Keypad on the TI-Nspire CX
« Reply #27 on: March 10, 2011, 04:05:02 am »
Yeah, especially that on French TI boards, a few years ago everyone mocked Casios and I saw it happen on some english boards too. I was surprised at seeing Cemetech get into Prizm dev at first, because that site is almost only 83+, no TI-Nspire/89 stuff. I guess that shows how some people got fed up with TI. I'm sure Kerm is still planning to develop TI-83+ stuff non-stop, though.
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