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Casio Prizm Technical Documentation
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 02 Aug 2012 09:21:12 am    Post subject:
cfxm wrote:
Simon has updated his syscall/hardware documentation here: http://www.omnimaga.org/index.php?topic=5610.msg257790#msg257790
Thanks for the heads-up; I'm sure that AHelper has already been working from the new documentation as he expands WikiPrizm, his project over the last few days. I guess I'll need to resend my PM to Simon a few more times poking him to stop forgetting about us. Razz
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 10 Aug 2012 05:45:58 pm    Post subject:
Moved post:
helder7 wrote:
now, im shearching for strings in OS, i found today references to:
Quote:
Copyright 1995-2005 jean-loup gailly


apparently the OS use this library: http://gailly.net/

ps: maybe should be to create a thread to OS curiosities/exploration.

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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 10 Aug 2012 10:21:49 pm    Post subject:
Whoa, one person wrote gzip, zlib, and zip? That's extremely impressive. I'm also curious where there is compression code in the operating system, and if it's something we can use for our own purposes.
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 10 Aug 2012 10:35:42 pm    Post subject:
It is documented partially, but not recommended for use. Where? Simon's chm of course Razz Now, as soon as we start using it, we can create .g3p pictures, so :-\.
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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 11 Aug 2012 06:14:22 am    Post subject:
AHelper wrote:
It is documented partially, but not recommended for use. Where? Simon's chm of course Razz Now, as soon as we start using it, we can create .g3p pictures, so :-\.
Of course in Simon's CHM, which he gave me permission to re-post to the Cemetech archives despite continuing to refuse to participate in the forum. Sad
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 11 Aug 2012 08:02:29 pm    Post subject:
Can anyone help out here? I am trying to access memory at 0xA80A2AD5, but I keep getting a System ERROR. Does anyone know how to stop it?

Doing *((unsigned int*)0x0xA80A2AD5) causes the exception. Using memcpy (syscall) doesn't give me an issue since the OS touches the memory. Insight can directly read the memory, but I don't understand why it can and I cannot.
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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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Tari


Systems Integrator


Joined: 03 Jul 2006
Posts: 2113
Location: Always-winter, Michigan
Posted: 12 Aug 2012 10:30:11 am    Post subject:
A80A2AD5 isn't 4-byte aligned. You'll need to read it 8 bits at a time, rather than 32.
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 12 Aug 2012 10:32:12 am    Post subject:
I'm especially interested in AHelper's claim that Insight doesn't get an alignment fault when reading that address; does it set something in the processor such that the CPU doesn't care about alignment? I'm confused by that statement.
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Tari


Systems Integrator


Joined: 03 Jul 2006
Posts: 2113
Location: Always-winter, Michigan
Posted: 12 Aug 2012 10:34:36 am    Post subject:
I'd guess it's designed to notice and work around unaligned accesses by doing the same thing I suggested.
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cfxm


Newbie


Joined: 13 Apr 2011
Posts: 34
Posted: 16 Sep 2012 04:21:39 pm    Post subject:
Updated fx_calculators_SuperH_based.chm

Version 13: http://www.omnimaga.org/index.php?topic=5610.msg262856#msg262856
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 16 Sep 2012 04:24:17 pm    Post subject:
cfxm wrote:
Updated fx_calculators_SuperH_based.chm

Version 13: http://www.omnimaga.org/index.php?topic=5610.msg262856#msg262856
Actually, thanks to Simon's permission, we're going to be maintaining the helpfile in a more findable place. Smile Last time I needed Insight I had to follow a chain of ten billion links, but no more:

http://www.cemetech.net/programs/index.php?mode=file&id=779
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 02 Oct 2012 11:30:32 pm    Post subject:
I am seeing some terrible things happening with the MCS here. I do this
Code:
int main()
{
MCS_CreateDirectory((unsigned char*)"test");

int k; while(1) GetKey(&k);
}


The above fails with error 64. Confused Other addins are able to make folders, but not mine...

<edit>

So, I can make the folder when I clear the Main Memory, but I cannot see it in the memory add-in as well as when connecting it as a USB device.
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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 03 Oct 2012 07:20:42 am    Post subject:
So is the problem the lowercase letters, or what? I can't say I've ever had a problem creating MCS directories before in my own Add-Ins, such as for storing equations and window settings between runs in Graph3DP.
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 03 Oct 2012 08:17:49 am    Post subject:
Well, I can't get any folder to be created. Sad

I will poke at it some more later on and try to get a folder to be made. (Bfile works fine in place of MCS)
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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 03 Oct 2012 08:41:35 am    Post subject:
AHelper wrote:
Well, I can't get any folder to be created. Sad

I will poke at it some more later on and try to get a folder to be made. (Bfile works fine in place of MCS)
I believe every MCS folder has to start with an @, does it not? That could be a possible issue.
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AHelper


LONG LIVE COMICTECH


Joined: 30 Jan 2011
Posts: 1661
Location: Aufhelperstan, Utopian Republic
Posted: 03 Oct 2012 09:55:04 am    Post subject:
It does not require @. When I said any folder, I already tried this.
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<BrandonW> "You don't even want to know what TI Connect does when it's just detecting your calculator...It ACTUALLY ERASES THE SWAP SECTOR on every communication attempt...EVERY SINGLE ATTEMPT...Yes, TI Connect will kill your calculator..What do I have to do to get your attention?!....Such a bloated protocol."
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gbl08ma


Power User


Joined: 26 Nov 2011
Posts: 476
Location: Portugal
Posted: 03 Oct 2012 02:24:19 pm    Post subject:
It can be any folder but from my experience only folders started with @ will be visible in the OS Main Memory browser (things like Insight will always see it). This still needs to be confirmed, though.
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cfxm


Newbie


Joined: 13 Apr 2011
Posts: 34
Posted: 06 Oct 2012 11:39:51 am    Post subject:
Updated fx_calculators_SuperH_based.chm

Version 14: http://www.omnimaga.org/index.php?topic=5610.msg264710#msg264710
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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55763
Location: Earth, Sol, Milky Way
Posted: 06 Oct 2012 11:42:01 am    Post subject:
cfxm wrote:
Updated fx_calculators_SuperH_based.chm

Version 14: http://www.omnimaga.org/index.php?topic=5610.msg264710#msg264710
What does this new version add? And I'll update the version in the Cemetech archives. Neutral If only Simon would do it himself.
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Eiyeron


Member


Joined: 12 Dec 2011
Posts: 158
Posted: 07 Oct 2012 02:02:14 pm    Post subject:
It adds some precision on the EAct file system, iirc.
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