Author Topic: OTZ80 - Remember it? :D  (Read 17443 times)

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Offline alberthrocks

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OTZ80 - Remember it? :D
« on: June 24, 2011, 10:42:54 am »
Hey everyone! :D

So finally summer is here, and my school work has substantically decreased to nil! :) (Not that I have nothing else to do... like signing up for internships, studying for SAT, etc. :P)

OTZ80 will resume at full speed, assuming I (and others) can dedicate some time to working on it. This surprisingly comes at a time where recently we've discovered that TI have made a new boot code to block OS downgrades. (And believe me, you probably don't want to use their odd, horrific little 2.55MP :P)
OTARM, as you might know, will probably be shelved... for now. This is due to the fact that there's an Ubercalc being made with the
same exact goals as OTARM, and so we're likely to adopt UberCalc as OTARM's replacement. We also have some great OS (Linux distro) makers and some expert Linux users/devs at hand, so we will definitely be able to handle writing software/OS for it.

We are in a desperate need for HW experts! I'm hoping Ubercalc (the user, not the calculator) may be able to prototype an eZ80 calc for us! :) (If he's available at all, of course.)

Finally - there's some change in opinion about what CPU, what screen, etc. to use, so we may have a poll restart to regather opinion on it.

Here's to hoping we get enough progress this year to get a prototype out! :thumbsup:

Current feature list:
CPU: eZ80 50 MHZ, underclockable to 20 MHZ
Screen size: 192x128 (7 other people voted for 240x160, revote possible based on supply and opinion change)
Battery indication: On screen (part of OS)
Navigation: regular arrow keys
ASCII input: Alpha-lock
Backlit screen: Yes... 14 vs. 9 people on this topic, may need a revote to confirm.
I/O: 3.5 mm link cable and mini USB OTG
Power: Will definitely need a revote - this was the closest one ever, with no real winner. The top two were: AA battery (rechargeable if possible), and "#1 and 2" = internal rechargeable battery + AA battery (rechargeable if possible)

Omitted features:
Wifi (too much power munching, internet connection should be external)
SD card support (no use)
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Offline tloz128

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Re: OTZ80 - Remember it? :D
« Reply #1 on: June 24, 2011, 10:46:02 am »
I'll do whatever I can to help. I'm not so great at assembly, and I could use a lot more experience with hardware, but I can do SOMETHING. (Maybe a battery indicator light or something.) :P
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Re: OTZ80 - Remember it? :D
« Reply #2 on: June 24, 2011, 10:51:26 am »
Hooray!  I can still write the OS once I get hardware specs (extremely specific - port numbers and protocols).
« Last Edit: June 24, 2011, 10:51:42 am by SirCmpwn »

Offline Munchor

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Re: OTZ80 - Remember it? :D
« Reply #3 on: June 24, 2011, 11:10:09 am »
Concerning OTZ80, the priority are the revotes in my opinion. Either way, nice to see this will have a new "wakening up"? :D

Offline fb39ca4

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Re: OTZ80 - Remember it? :D
« Reply #4 on: June 24, 2011, 03:08:43 pm »
Yay, it got revived again!

Offline Deep Toaster

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Re: OTZ80 - Remember it? :D
« Reply #5 on: June 24, 2011, 03:29:04 pm »
DAWOO!!1 G'luck on it :D




Offline program4

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Re: OTZ80 - Remember it? :D
« Reply #6 on: June 24, 2011, 04:55:26 pm »
I'm glad this project is revived again! I've always been looking forward to seeing progress on this calculator.  :D

Offline DJ Omnimaga

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Re: OTZ80 - Remember it? :D
« Reply #7 on: June 24, 2011, 05:07:17 pm »
I'm glad this is revived. I hope this summer you have a lot of time to make major progress for the next round of progress during Summer 2012 afterward. (Maybe a prototype? ;D)
« Last Edit: June 24, 2011, 05:07:32 pm by DJ_O »

Offline Juju

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Re: OTZ80 - Remember it? :D
« Reply #8 on: June 24, 2011, 05:22:27 pm »
Nice too see this revived, will be awesome once finished :)

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Offline matthias1992

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Re: OTZ80 - Remember it? :D
« Reply #9 on: June 24, 2011, 06:37:11 pm »
Glad it survived and therefore could now revive...but any clue as to what the next step is? Offtopic note on my absence, I have been keeping eyes on omnimaga but just reading, not posting.
I guess the revote's first? I hope these will commence quickly so we can actually get to the good stuff! I am not at all a hardware expert but I do have some generic knowledge about hardware, hardware->software interactions and the like.

Edit: I would revote on the screen, bigger is better. Surely with all these mobile/handheld devices coming out even though it's a calcualtor people expect some decent screens these days, and righteously so.
« Last Edit: June 24, 2011, 06:38:30 pm by matthias1992 »
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Offline Spyro543

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Re: OTZ80 - Remember it? :D
« Reply #10 on: June 24, 2011, 07:35:52 pm »
The OTcalc inspired me to start the DreamPad project. :D And I'm glad this is still alive (me want one).

Offline DJ Omnimaga

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Re: OTZ80 - Remember it? :D
« Reply #11 on: June 24, 2011, 07:56:45 pm »
Maybe Dreampad could be the new OTarm actually, since Ubergraphx/Ubercalc seems dead now.

Offline Spyro543

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Re: OTZ80 - Remember it? :D
« Reply #12 on: June 24, 2011, 07:59:55 pm »
Maybe Dreampad could be the new OTarm actually, since Ubergraphx/Ubercalc seems dead now.

Really? I'm not sure, but it will have an ARM processor...so maybe.

Offline Dapianokid

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Re: OTZ80 - Remember it? :D
« Reply #13 on: April 19, 2013, 06:48:13 pm »
NECROPOST, MY FRANNS!
I'm somebody who takes interest in this stuff.
I could find uses for an SD card capable, Wifi using, super calculator. I'd design it for Debian ARM or something.
Where did this project ever go?
Keep trying.

Offline Rhombicuboctahedron

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Re: OTZ80 - Remember it? :D
« Reply #14 on: April 19, 2013, 06:53:18 pm »