Author Topic: A new z80 calc... in color?  (Read 68392 times)

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Offline DJ Omnimaga

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Re: A new z80 calc... in color?
« Reply #165 on: November 11, 2012, 11:26:43 pm »
Yeah I meant implemented by default though lol. That said (off-topic): I wonder if that United-TI hosted copy of Omnicalc for MP OSes is available anywhere else? Because now that UTI merged with Cemetech, all attachments are gone...

Offline Sorunome

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Re: A new z80 calc... in color?
« Reply #166 on: November 11, 2012, 11:36:35 pm »
I wonder if they could fix the clock being resettet :P

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Offline DrDnar

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Re: A new z80 calc... in color?
« Reply #167 on: November 12, 2012, 12:00:59 am »
Yeah I meant implemented by default though lol. That said (off-topic): I wonder if that United-TI hosted copy of Omnicalc for MP OSes is available anywhere else? Because now that UTI merged with Cemetech, all attachments are gone...
I wrote that. Here it is again.
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Offline DJ Omnimaga

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Re: A new z80 calc... in color?
« Reply #168 on: November 12, 2012, 12:16:35 am »
Ok cool :D. Maybe it would be nice to put a link to that file in the Omni downloads section or put it in ticalc.org archives in case people start to find it hard to find again or something.

Offline DrDnar

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Re: A new z80 calc... in color?
« Reply #169 on: November 12, 2012, 12:31:07 am »
I never got enough feedback to feel comfortable posting an official release. It also doesn't work with zStart, because zStart has Omnicalc entry points hard coded into it. That's thepenguin's fault.
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Re: A new z80 calc... in color?
« Reply #170 on: November 12, 2012, 12:44:19 am »
Ah ok, sorry to hear. I wonder if that's the same reason as why Doors doesn't work well with it either. I forgot. (He blames Kerm on the issue, though :P)

Offline DrDnar

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Re: A new z80 calc... in color?
« Reply #171 on: November 12, 2012, 12:47:16 am »
The difference between me and Kerm is that I would add a jump table for him if he asked.
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Offline DJ Omnimaga

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Re: A new z80 calc... in color?
« Reply #172 on: November 12, 2012, 01:41:42 am »
Maybe Kerm just want people to switch to Doors CS 7 instead :P
« Last Edit: November 12, 2012, 01:41:53 am by DJ_O »

Offline TIfanx1999

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Re: A new z80 calc... in color?
« Reply #173 on: November 12, 2012, 01:57:29 am »
More informations on the TI-84 Plus C:


Source:
http://tiplanet.org/forum/viewtopic.php?f=41&t=10736
You don't know how happy it makes me to hear that there is a z80 in there. ;D

Offline Sorunome

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Re: A new z80 calc... in color?
« Reply #174 on: November 12, 2012, 02:44:45 am »
that is pretty awesome :D

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Offline Adriweb

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Re: A new z80 calc... in color?
« Reply #175 on: November 12, 2012, 03:55:48 am »
Here's something bad to consider: as long as they're completely reworking the ASIC, they might as well remove the ability to unlock the boot code. No doubt, with great color comes great restrictions on programmer freedom. But that's why we have people like BrandonW. We are firing up our oscilloscopes! We are reading our disassemblers! Native code! will! be! ours!

Humm, just to know, what would the point of downgrading be, if the modified 2.55MP is the only one availalble for this model anyway ? (since it has to handle the new hardware etc.)

But I still think it'll actually turn out to be an Nspire in disguise.
I have speicifically asked that, and they said they actually considered that at first, but they didn't go that way.
As I've been told, you'll be able to see that when you open it :P
Anyway, it's a real z80 :)

I don't know about RAM/ROM or anything else very technical, I'll see if I can get these kind of details.
But anyway, everything should be known by mid-january.
« Last Edit: November 12, 2012, 03:58:54 am by adriweb »
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Offline DrDnar

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Re: A new z80 calc... in color?
« Reply #176 on: November 12, 2012, 04:41:05 am »
As I've been told, you'll be able to see that when you open it :P
Not that I don't trust you, but I want to point out that you can't see a real Z80 inside the current TI-83+ series calculators. All three models still in production (and the TI-83+SE) have the Z80 hidden inside an ASIC. You'd have to desolder the ASIC, de-encapsulate the chip, and take a micrograph to prove there's an actual Z80 inside. (I've tried de-encapsulating chips. It's very difficult. Even 30 molar sulfuric acid can't make a dent in the packaging unless heated to near boiling point.)
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Offline DJ Omnimaga

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Re: A new z80 calc... in color?
« Reply #177 on: November 12, 2012, 05:11:44 am »
Here's something bad to consider: as long as they're completely reworking the ASIC, they might as well remove the ability to unlock the boot code. No doubt, with great color comes great restrictions on programmer freedom. But that's why we have people like BrandonW. We are firing up our oscilloscopes! We are reading our disassemblers! Native code! will! be! ours!

Humm, just to know, what would the point of downgrading be, if the modified 2.55MP is the only one availalble for this model anyway ? (since it has to handle the new hardware etc.)

But I still think it'll actually turn out to be an Nspire in disguise.
I have speicifically asked that, and they said they actually considered that at first, but they didn't go that way.
As I've been told, you'll be able to see that when you open it :P
Anyway, it's a real z80 :)

I don't know about RAM/ROM or anything else very technical, I'll see if I can get these kind of details.
But anyway, everything should be known by mid-january.
Thanks for the clarification. And yeah as DrDnar said the processor is inside the ASIC. Glad to hear that the calc will have a Z80, though.

Offline Adriweb

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Re: A new z80 calc... in color?
« Reply #178 on: November 12, 2012, 06:02:39 am »
Well, yes, I know it's an ASIC, like here :


But I've been told it's the same series of processor as the other 84+, meaning z80, and not an ARM inside the ASIC.
I'd have like to know the frequency too, but that may be coming later (maybe)
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Offline FloppusMaximus

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Re: A new z80 calc... in color?
« Reply #179 on: November 12, 2012, 03:47:09 pm »
I'm curious about the LCD.  Is it supposed to use a color palette or individually-controlled RGB pixels?  I'm a little skeptical that you could get good performance either way - and I'm even more skeptical that TI could pull it off (these are the same people who brought us MathPrint.)