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Author Topic: TI-89 emulator for TI-Nspire  (Read 65115 times)

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Offline TIfanx1999

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Re: TI-89 emulator for TI-Nspire
« Reply #15 on: December 28, 2009, 02:29:12 pm »
No, now go eat your cake! :p
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Offline calc84maniac

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Re: TI-89 emulator for TI-Nspire
« Reply #16 on: December 28, 2009, 05:13:16 pm »
Here's a screenshot running m4r10, using the Nspire's perfect grayscale :)


Note that it won't run quite that fast on a real calculator, for the same reasons as the GBC emulator.
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Offline Galandros

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Re: TI-89 emulator for TI-Nspire
« Reply #17 on: December 28, 2009, 05:15:19 pm »
How possibly can you play so well in high speed?

calcmaniac is not only a good coder but also an extreme player. :o *facepalm* It is the demo...
« Last Edit: December 28, 2009, 05:16:59 pm by Galandros »
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Hobbing in calculator projects.

Offline Eeems

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Re: TI-89 emulator for TI-Nspire
« Reply #18 on: December 28, 2009, 05:30:38 pm »
lol :P
looks epic btw!
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/e

Offline ztrumpet

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Re: TI-89 emulator for TI-Nspire
« Reply #19 on: December 28, 2009, 06:47:35 pm »
lol :P
Looks awesome!
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Offline DJ Omnimaga

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Re: TI-89 emulator for TI-Nspire
« Reply #20 on: December 28, 2009, 10:21:27 pm »
wow nice, great job so far! How good is the compatibility?

Quote
How possibly can you play so well in high speed?

calcmaniac is not only a good coder but also an extreme player.
Maybe Goplat included the ability to slow down/speed up emulator and calc84 did a tool-assisted speedrun :P *hides*
« Last Edit: December 28, 2009, 10:25:15 pm by DJ Omnimaga »
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Offline TIfanx1999

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Re: TI-89 emulator for TI-Nspire
« Reply #21 on: December 29, 2009, 12:12:12 am »
Gotta love that built in grayscale! =D I'm really curious what actual speed will be like. I wouldn't be surprised if you had to slow it down.
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Offline Builderboy

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Re: TI-89 emulator for TI-Nspire
« Reply #22 on: December 29, 2009, 01:10:34 am »
Wow!  Amazing!  :O

I am curious however, do 89's have built in greyscale?  If not, how do you detect the 'color' of a pixel in order to implement it correctly on the nSpire?
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Offline calc84maniac

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Re: TI-89 emulator for TI-Nspire
« Reply #23 on: December 29, 2009, 04:02:41 am »
Quote from: Builderboy on December 29, 2009, 01:10:34 am
Wow!  Amazing!  :O

I am curious however, do 89's have built in greyscale?  If not, how do you detect the 'color' of a pixel in order to implement it correctly on the nSpire?
I take the average of the pixels in the last three frames. I believe that's how TI-Emu does it as well.
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Offline TIfanx1999

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Re: TI-89 emulator for TI-Nspire
« Reply #24 on: December 29, 2009, 04:14:20 am »
The Nspire is the only calc. that has built in grayscale so far. Grayscale implementation on the 68k calculators is the same as the Z80s.
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Offline Silver Shadow

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Re: TI-89 emulator for TI-Nspire
« Reply #25 on: December 29, 2009, 05:23:38 am »
Quote from: Eeems on December 28, 2009, 01:15:20 pm
lol :P
so the Pandora can't do everything :P
I was wondering could we have a few beta releases to play around with?
This.
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Offline Builderboy

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Re: TI-89 emulator for TI-Nspire
« Reply #26 on: December 29, 2009, 11:11:25 am »
Quote from: calc84maniac on December 29, 2009, 04:02:41 am
I take the average of the pixels in the last three frames. I believe that's how TI-Emu does it as well.

Ah, thats very clever! :D
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Offline simplethinker

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Re: TI-89 emulator for TI-Nspire
« Reply #27 on: December 29, 2009, 11:19:45 am »
That's incredible ;D.  But it kind of sucks that TI finally decides to add built-in grayscale in the same model it decides to get rid of assembly support :(
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Offline calc84maniac

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Re: TI-89 emulator for TI-Nspire
« Reply #28 on: December 29, 2009, 12:13:49 pm »
I was messing around with the translator in Goplat's emulator 'cause I was bored... :P But now it's running closer to actual speed, though it's probably still too fast. At least, Super Mario 68K is slow enough to be playable now! :D
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Offline Hot_Dog

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Re: TI-89 emulator for TI-Nspire
« Reply #29 on: December 29, 2009, 12:17:14 pm »
Interesting that a 90 Mhz processor can emulate 10-12 MHz too fast. Usually emulators are so poorly written, they cannot do that
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