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Author Topic: Ndless 1.7 for TI-Nspire  (Read 147399 times)

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Offline DJ Omnimaga

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Re: Ndless 1.7 for TI-Nspire
« Reply #360 on: December 06, 2010, 01:10:00 pm »
Quote from: critor on December 06, 2010, 08:09:48 am
Quote from: fb39ca4 on December 05, 2010, 06:21:23 pm
You could still do things like overclock the processor too high or use bluescale too long.

Through accessing the filesystem ? . . .
Can system settings like contrast be modified directly by browsing through the file system or is that more internal stuff? If that stuff can be browsed and modified, I guess it could be changed, right? Keep in mind I have no tried your program yet and I am not experienced with Nspire ASM/C stuff, though.
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #361 on: December 06, 2010, 04:25:50 pm »
Quote from: critor on December 06, 2010, 08:09:48 am
Quote from: fb39ca4 on December 05, 2010, 06:21:23 pm
You could still do things like overclock the processor too high or use bluescale too long.

Through accessing the filesystem ? . . .
The overclocking can be done by changing a value in RAM, and bluescale would be just like on the 8x calcs.
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Offline DJ Omnimaga

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Re: Ndless 1.7 for TI-Nspire
« Reply #362 on: December 06, 2010, 04:57:35 pm »
Bluescale can damage the screen, though.
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Re: Ndless 1.7 for TI-Nspire
« Reply #363 on: December 06, 2010, 04:57:48 pm »
I approve of Ndless 1.7.
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #364 on: December 07, 2010, 03:34:41 pm »
Quote from: DJ Omnimaga on December 06, 2010, 04:57:35 pm
Bluescale can damage the screen, though.
My point exactly.
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Offline calc84maniac

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Re: Ndless 1.7 for TI-Nspire
« Reply #365 on: December 07, 2010, 03:35:52 pm »
Define "bluescale", because I thought that was a test mode in the TI-83+/84+ LCD driver.
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #366 on: December 07, 2010, 03:40:45 pm »
There was a topic on it. Basically, when you turn the LCD contrast up and down very fast, the screen turns blue.
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Offline Munchor

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Re: Ndless 1.7 for TI-Nspire
« Reply #367 on: December 07, 2010, 03:45:27 pm »
Quote from: fb39ca4 on December 07, 2010, 03:40:45 pm
There was a topic on it. Basically, when you turn the LCD contrast up and down very fast, the screen turns blue.

Blue? The NSpire has no colours?????
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #368 on: December 07, 2010, 04:44:46 pm »
Read this. It was done on an 84SE, but really, it applies to all calcs. (Except for the Prizm, of course.)
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Offline calc84maniac

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Re: Ndless 1.7 for TI-Nspire
« Reply #369 on: December 07, 2010, 08:58:28 pm »
I found a little issue with the sdk. In nspire-as and nspire-gcc, it's using the option -mcpu=arm7tdmi (likely a leftover from some GBA development software), but for the Nspire we need -mcpu=arm926ej-s. As a result, it wouldn't assemble some of my instructions. I've fixed this on my end, but it'll be good if there was a fix in the next release of Ndless :)
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #370 on: December 07, 2010, 09:19:49 pm »
How did you get it to work? I tried it a while ago with ndless 1.0 and it made the calc crash.
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Offline calc84maniac

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Re: Ndless 1.7 for TI-Nspire
« Reply #371 on: December 07, 2010, 09:21:56 pm »
Quote from: fb39ca4 on December 07, 2010, 09:19:49 pm
How did you get it to work? I tried it a while ago with ndless 1.0 and it made the calc crash.
All I did was replace the cpu type. What exactly were you trying to do that wasn't working?
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Offline fb39ca4

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Re: Ndless 1.7 for TI-Nspire
« Reply #372 on: December 07, 2010, 09:32:46 pm »
I just replaced the CPU type too. I was compiling a C program with it. Tomorrow, I'll try it with ndless 1.7.
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Offline DJ Omnimaga

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Re: Ndless 1.7 for TI-Nspire
« Reply #373 on: December 08, 2010, 03:25:25 am »
Quote from: fb39ca4 on December 07, 2010, 03:40:45 pm
There was a topic on it. Basically, when you turn the LCD contrast up and down very fast, the screen turns blue.
Oh, you meant that blue. I thought you meant test mode. We're not sure bluescale is possible on the Nspire. It doesn't even work on the regular 83+, just the 83+SE, 84+ and 84+SE.
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Offline calc84maniac

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Re: Ndless 1.7 for TI-Nspire
« Reply #374 on: December 14, 2010, 01:01:26 pm »
I have just discovered that, while the Nspire's SRAM does repeat every 128KB at 0xA4000000, it is not actually 128KB of RAM. It is 64KB+16KB (the latter repeated 4 times for a total of 128KB address space). Meaning, there is only 80KB. Perhaps this might explain why Ndless always works on the emulator (which emulates 128KB RAM) and fails sometimes on hardware? I think I heard that Ndless installation messes with the SRAM.
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