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Qwerty.55
Expert
Joined: 08 Dec 2010
Posts: 613
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 Posted: 12 Jan 2011 07:13:22 pm Post subject: |
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Um, crashing calcs, setting clock frequencies, and figuring out how interrupts/exceptions are handled?
Anyway, you once asked me if the memory dumps we had were physical dumps or logical dumps. After seeing the dumps obtained with Goplat's program, I'm inclined towards the latter.
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KermMartian
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Joined: 14 Mar 2005
Posts: 55742
Location: Earth, Sol, Milky Way
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| Posted: 12 Jan 2011 08:08:39 pm Post subject: |
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| Qwerty.55 wrote: | Um, crashing calcs, setting clock frequencies, and figuring out how interrupts/exceptions are handled?
Anyway, you once asked me if the memory dumps we had were physical dumps or logical dumps. After seeing the dumps obtained with Goplat's program, I'm inclined towards the latter. |
Huh, very interesting. That's sort of what I suspected, so I'm interested to hear that confirmed
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Qwerty.55
Expert
Joined: 08 Dec 2010
Posts: 613
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| Posted: 17 Jan 2011 05:06:18 pm Post subject: |
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Well, the Prizm has been released in stores, as of yesterday. I now have mine and it turns out that that those Prizms bought on-line had a buggy pre-release OS. The OS on my calc is newer and doesn't have the Locate bug found by DJ. Also, math commands are freakin' fast on the Prizm.
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DJ_O
Retired TI-83+ coder
Joined: 18 Mar 2005
Posts: 1485
Location: Quebec (Canada)
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| Posted: 17 Jan 2011 11:02:52 pm Post subject: |
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Are you sure it's a pre-release OS, though? It could be initial release calcs that made it online, then Casio fixed the bug then distributed another batch for retail stores.
What sucks, though, is that this OS update is not even available on Casio's website, same for the emulator that came with Qwerty's retail calc but not mine/FinaleTI/z80man's, so people who bought calcs from the first batch of calcs are stuck with the buggy OS for who-knows-how-long.
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Retired 83+ coder, Omnimaga/TIMGUL founder. Now doing power metal music (formerly did electronica)
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souvik1997
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Joined: 19 Apr 2010
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KermMartian
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Posts: 55742
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| Posted: 17 Jan 2011 11:48:54 pm Post subject: |
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Oooh, they distribute an emulator along with the calculators? That's another point for Casio. Is it even a decent emulator, to boot?
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JosJuice
Power User
Joined: 17 Oct 2010
Posts: 306
Location: Sweden
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| Posted: 18 Jan 2011 01:35:51 am Post subject: |
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| KermMartian wrote: | | Oooh, they distribute an emulator along with the calculators? That's another point for Casio. Is it even a decent emulator, to boot? |
It's not really an emulator... it's more like a port of the Prizm OS. It doesn't attempt to emulate the hardware. |
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DJ_O
Retired TI-83+ coder
Joined: 18 Mar 2005
Posts: 1485
Location: Quebec (Canada)
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| Posted: 18 Jan 2011 02:19:23 am Post subject: |
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To add to JosJuice post, it's kinda like TI-SmartView. I think it doesn't even support 3rd-party flash apps. The same thing happened with their ClassPad and FX-9860G emulators.
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souvik1997
Guru-in-Training
Joined: 19 Apr 2010
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JosJuice
Power User
Joined: 17 Oct 2010
Posts: 306
Location: Sweden
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| Posted: 18 Jan 2011 11:28:43 am Post subject: |
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| souvik1997 wrote: | | So you can't run Prizm machine code on it? |
It seems to be completely impossible. |
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KermMartian
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Joined: 14 Mar 2005
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| Posted: 18 Jan 2011 11:43:56 am Post subject: |
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| JosJuice wrote: | | souvik1997 wrote: | | So you can't run Prizm machine code on it? |
It seems to be completely impossible. |
Meh, that's a disappointment. It seems that the Prizm runs BASIC code intended for a monochrome Casio calculator model or line; is there an emulator for that calculator? If so, presumably it would be somewhat straightforward to rewrite that emulator to support the Prizm...?
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Qwerty.55
Expert
Joined: 08 Dec 2010
Posts: 613
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| Posted: 18 Jan 2011 12:10:54 pm Post subject: |
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| KermMartian wrote: | | Oooh, they distribute an emulator along with the calculators? That's another point for Casio. Is it even a decent emulator, to boot? |
I suppose it's decent if you're a teacher who wants to show your students how to do something on-calc, but otherwise no. It doesn't emulate the hardware and there's no discrete OS file either. It's a collection of small RAM/ROM files and .dll files. Plus, it's only a 90 day trial emulator. You have to buy the real one.
But there is an fx-9860G emulator around:
http://omnimaga.org/index.php?topic=371.0
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KermMartian
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| Posted: 18 Jan 2011 02:35:31 pm Post subject: |
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Qwerty, that's nice. I'm assuming of course that the fx-9860G also has an SH3 CPU; is this a correct assumption?
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qazz42
Vampire Killer
Joined: 07 Apr 2010
Posts: 4177
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| Posted: 18 Jan 2011 03:20:02 pm Post subject: |
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I guess that someone will need to make a Prizm Emulator, I wonder who will..... I also assume that to make one, it requires disassembling the OS? Or would you just need a proper SDK?
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KermMartian
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| Posted: 18 Jan 2011 04:30:13 pm Post subject: |
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| qazz42 wrote: | | I guess that someone will need to make a Prizm Emulator, I wonder who will..... I also assume that to make one, it requires disassembling the OS? Or would you just need a proper SDK? |
Neither. As I just said above, you can probably modify an existing SH3 emulator with the proper color screen hardware, then just feed it the Prizm OS. Remember, a true emulator emulates only the hardware of the device, and is able to run the original operating system. It doesn't attempt to emulate the software directly.
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Qwerty.55
Expert
Joined: 08 Dec 2010
Posts: 613
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| Posted: 18 Jan 2011 06:54:51 pm Post subject: |
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| KermMartian wrote: | | Qwerty, that's nice. I'm assuming of course that the fx-9860G also has an SH3 CPU; is this a correct assumption? |
Yes.
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KermMartian
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Joined: 14 Mar 2005
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| Posted: 18 Jan 2011 06:55:38 pm Post subject: |
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| Qwerty.55 wrote: | | KermMartian wrote: | | Qwerty, that's nice. I'm assuming of course that the fx-9860G also has an SH3 CPU; is this a correct assumption? |
Yes. |
Excellent, then a port should be somewhat straightfoward. How do the specs compare otherwise? I'll look them up myself as well though, so I don't have to yell at myself to JFGI. 
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Qwerty.55
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Joined: 08 Dec 2010
Posts: 613
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| Posted: 18 Jan 2011 06:59:05 pm Post subject: |
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The LCD is very different, as should be obvious, but other than that, the Prizm appears to be mostly similar, excepting the fact that they all smell like they came from a burnt warehouse.
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KermMartian
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| Posted: 18 Jan 2011 07:51:29 pm Post subject: |
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| Qwerty.55 wrote: | | The LCD is very different, as should be obvious, but other than that, the Prizm appears to be mostly similar, excepting the fact that they all smell like they came from a burnt warehouse. |
Eeek, I don't want a smeller calculator.  How do memory, processor speed, and processor model compare? Also LCD resolution?
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qazz42
Vampire Killer
Joined: 07 Apr 2010
Posts: 4177
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| Posted: 18 Jan 2011 07:54:41 pm Post subject: |
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| KermMartian wrote: | | Qwerty.55 wrote: | | The LCD is very different, as should be obvious, but other than that, the Prizm appears to be mostly similar, excepting the fact that they all smell like they came from a burnt warehouse. |
Eeek, I don't want a smeller calculator. How do memory, processor speed, and processor model compare? Also LCD resolution? |
Mmmmm, burning plastic.... *drools*
and ok Kerm, seems fair enough, I didnt see your post earlier, thus my confusion. Once there is more stuff for it, might as well get one then....
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