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Author Topic: seems like grey asm grey sucks on nspire -  (Read 782 times) Bookmark and Share
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titane666
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« on: 14 May, 2010, 23:55:46 »
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Is it me or does the grey sucks on the ti nspire 84 keypad.
I tried djtunnel on a nspire and a 83 and the nspire grey in the menu didn't gave a good illusion.

i don't think it's because 83+ is more powerful than ti nspire so: what causes this ?
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« Reply #1 on: 15 May, 2010, 00:04:56 »
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Could be a timing issue. Grayscale is very sensitive to hardware details.
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« Reply #2 on: 15 May, 2010, 00:45:44 »
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For some reasons the tunnel looks pretty fine on my Nspire. Reuben Quest looked good too (by Omnicalc grayscale standards)
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« Reply #3 on: 15 May, 2010, 09:09:12 »
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I think it's because the emu on the Nspire doesn't correctly emulate the speed of a real 84+. All asm programs run way too slowly, including any grayscale routines.
Also note that the emu from the 2.0 OS is slightly faster than the previous versions, giving better asm and grayscale results.
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« Reply #4 on: 15 May, 2010, 18:32:55 »
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While emulation may worsen the problem (if screen writes are not synchronized in any way with the screen refresh), I'd first and foremost blame the low-quality screen of Nspires. It's slow and it generates blurry ghosts behind moving objects, so it's probably a passive matrix. Passive matrices are cheaper than active matrices - and they accompany TI's goal of selling a locked-down model that does not (well, did not, but it took three years in the making) play games.
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« Reply #5 on: 15 May, 2010, 22:29:27 »
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Also some 84+ ASM games are incredibly blurry on the Nspire. With my tunnel, when playing in lowest speed, it's near impossible to distinguish the beginning/end of curves
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« Reply #6 on: 15 May, 2010, 22:36:28 »
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Thats because of the LCD though right?  It sucks that one of the most powerfull calculator out there has such a crappy LCD Undecided
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« Reply #7 on: 15 May, 2010, 22:54:00 »
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It's definitively the LCD (or its driver)
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« Reply #8 on: 16 May, 2010, 00:24:11 »
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The LCD is pretty shitty, but 84 greyscale works pretty good for me, surprisingly.
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