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Author Topic: Casio Prizm already for sale???  (Read 42354 times)

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Offline uberspire

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Re: Casio Prizm already for sale???
« Reply #45 on: December 26, 2010, 03:43:26 am »
@Qwerty.55: You can download a complete SuperH 3 GNU toolchain (which contains GCC, binutils -> assembler, objdump, linker, etc.) from KPIT for free: http://kpitgnutools.com/. You have to register though.

In Casio's SDK, they use some proprietary software from Hitachi.
« Last Edit: December 26, 2010, 03:44:27 am by kucalc »
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Offline z80man

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Re: Casio Prizm already for sale???
« Reply #46 on: December 26, 2010, 03:48:16 am »
Yeah it would probaly be better to use a rom dump rather than actually coding the system calls by myself, but emulating the hardware of the TI-83+ such as the lcd screen and linkport will stil be challenging.
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List of stuff I need to do before September:
1. Finish the Emulator of the Casio Prizm (in active development)
2. Finish the the SH3 asm IDE/assembler/linker program (in active development)
3. Create a partial Java virtual machine  for the Prizm (not started)
4. Create Axe for the Prizm with an Axe legacy mode (in planning phase)
5. Develop a large set of C and asm libraries for the Prizm (some progress)
6. Create an emulator of the 83+ for the Prizm (not started)
7. Create a well polished game that showcases the ability of the Casio Prizm (not started)

Offline AngelFish

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Re: Casio Prizm already for sale???
« Reply #47 on: December 26, 2010, 03:50:41 am »
I wish you the best of luck with it  :)

@Kucalc: The header looks very simple and should be no problem for whomever decides to tackle it. I'm mystified by all of that unused space though.
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Offline uberspire

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Re: Casio Prizm already for sale???
« Reply #48 on: December 26, 2010, 03:55:22 am »
IIRC, the header for fx-9860G addins had a couple of spots that were just blank filler just to mess with us.
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Offline fb39ca4

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Re: Casio Prizm already for sale???
« Reply #49 on: December 26, 2010, 01:25:12 pm »
Quote from: z80man on December 26, 2010, 03:48:16 am
Yeah it would probaly be better to use a rom dump rather than actually coding the system calls by myself, but emulating the hardware of the TI-83+ such as the lcd screen and linkport will stil be challenging.
If you did code the system calls yourself, though, it would be a big accomplishment, as no other 8x emulator has done that yet.
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Offline AngelFish

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Re: Casio Prizm already for sale???
« Reply #50 on: December 26, 2010, 02:18:39 pm »
Quote from: kucalc on December 26, 2010, 03:55:22 am
IIRC, the header for fx-9860G addins had a couple of spots that were just blank filler just to mess with us.

Yeah, I noticed that in the image formats too. But there's probably a couple of kilobytes of nothing in that header. I mean, 28 KB of data is a lot at the Assembly level.
« Last Edit: December 26, 2010, 02:19:25 pm by Qwerty.55 »
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Offline DJ Omnimaga

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Re: Casio Prizm already for sale???
« Reply #51 on: December 26, 2010, 03:56:59 pm »
One thing to make sure with an emulator is that it emulates everything correctly. The TI-Nspire 84+ emulator doesn't even do that, even though TI coded it.

I wonder how fast would it be, though...
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Offline Munchor

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Re: Casio Prizm already for sale???
« Reply #52 on: December 26, 2010, 04:33:27 pm »
Quote from: DJ Omnimaga on December 26, 2010, 03:56:59 pm
One thing to make sure with an emulator is that it emulates everything correctly. The TI-Nspire 84+ emulator doesn't even do that, even though TI coded it.

I wonder how fast would it be, though...

How long do third-party emulators take to arrive after a calculator is released? A few years? A few weeks?
« Last Edit: December 26, 2010, 04:33:37 pm by ScoutDavid »
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Offline z80man

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Re: Casio Prizm already for sale???
« Reply #53 on: December 26, 2010, 06:28:10 pm »
After going over the code of of the add-in apps of the Prizm it seems that the application image data starts at location 0x4000 and ends at 0x6DFE. This just about corresponds to an image size of 62x95 pixels which matches the size of the images on the main menu of the Prizm.
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List of stuff I need to do before September:
1. Finish the Emulator of the Casio Prizm (in active development)
2. Finish the the SH3 asm IDE/assembler/linker program (in active development)
3. Create a partial Java virtual machine  for the Prizm (not started)
4. Create Axe for the Prizm with an Axe legacy mode (in planning phase)
5. Develop a large set of C and asm libraries for the Prizm (some progress)
6. Create an emulator of the 83+ for the Prizm (not started)
7. Create a well polished game that showcases the ability of the Casio Prizm (not started)

Offline jnesselr

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Re: Casio Prizm already for sale???
« Reply #54 on: December 26, 2010, 06:30:16 pm »
Whoa, a new user! Do you have a prizm too?
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Offline z80man

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Re: Casio Prizm already for sale???
« Reply #55 on: December 26, 2010, 06:31:53 pm »
Yes I just got one yesterday
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List of stuff I need to do before September:
1. Finish the Emulator of the Casio Prizm (in active development)
2. Finish the the SH3 asm IDE/assembler/linker program (in active development)
3. Create a partial Java virtual machine  for the Prizm (not started)
4. Create Axe for the Prizm with an Axe legacy mode (in planning phase)
5. Develop a large set of C and asm libraries for the Prizm (some progress)
6. Create an emulator of the 83+ for the Prizm (not started)
7. Create a well polished game that showcases the ability of the Casio Prizm (not started)

Offline jnesselr

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Re: Casio Prizm already for sale???
« Reply #56 on: December 26, 2010, 09:04:16 pm »
Quote from: z80man on December 26, 2010, 06:31:53 pm
Yes I just got one yesterday
Very good! You and FinaleTI can tell us how easy it is to program. ;-)
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Offline DJ Omnimaga

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Re: Casio Prizm already for sale???
« Reply #57 on: December 27, 2010, 04:01:50 pm »
Quote from: ScoutDavid on December 26, 2010, 04:33:27 pm
Quote from: DJ Omnimaga on December 26, 2010, 03:56:59 pm
One thing to make sure with an emulator is that it emulates everything correctly. The TI-Nspire 84+ emulator doesn't even do that, even though TI coded it.

I wonder how fast would it be, though...

How long do third-party emulators take to arrive after a calculator is released? A few years? A few weeks?
It depends. It can range between one and 7 years. For the 83+, it took 7 years until we get an emulator with flash and grayscale support. VirtualTI came out 1 year after the 83+ arrived, but it did not emulate the archive.
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Offline Munchor

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Re: Casio Prizm already for sale???
« Reply #58 on: December 31, 2010, 10:19:54 am »
Quote from: DJ Omnimaga on December 27, 2010, 04:01:50 pm
Quote from: ScoutDavid on December 26, 2010, 04:33:27 pm
Quote from: DJ Omnimaga on December 26, 2010, 03:56:59 pm
One thing to make sure with an emulator is that it emulates everything correctly. The TI-Nspire 84+ emulator doesn't even do that, even though TI coded it.

I wonder how fast would it be, though...

How long do third-party emulators take to arrive after a calculator is released? A few years? A few weeks?
It depends. It can range between one and 7 years. For the 83+, it took 7 years until we get an emulator with flash and grayscale support. VirtualTI came out 1 year after the 83+ arrived, but it did not emulate the archive.

Wow, that's quite a lot. I expect a few years for the Prizm too :/
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Offline DJ Omnimaga

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Re: Casio Prizm already for sale???
« Reply #59 on: December 31, 2010, 08:35:59 pm »
Yeah this depends how dedicated the community is, though, into making such software. With the TI-Nspire it took 3 years and the TI-89/92+ 1 year (although it only emulated hardware revision 1)

I'M pretty sure an emulator will be in the works after people figured out how to run assembly on this machine.
« Last Edit: December 31, 2010, 08:36:35 pm by DJ Omnimaga »
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