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SirCmpwn

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Re: Let's build our own calculator!
« Reply #15 on: August 05, 2010, 11:29:43 pm »
Yeah, the admin himself :P
KermMartian has been modding calcs for a while now.

Offline alberthrocks

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Re: Let's build our own calculator!
« Reply #16 on: August 05, 2010, 11:29:53 pm »
I actually think it's quite possible.  Anyone good with circuit boards?  Let's start with the screen, the memory, and the processor, along with simple usb support to upload programs, and a simple bootloader.  So far, so good?  We can do a simple 2 buttons for an A and B thing, an ON button, and four buttons for arrows.

So, who's good at PCBs and such?

Screen is easily done by a company called LiquidWare.
CPU, memory, and USB hosts are already implemented in BeagleBoard.
Linux already has a bootloader, so we don't need to worry about that.

Mr Kerm is a pro at that stuff, and has access to equipment that can do advanced soldering.
Plus, I also have a soldering kit as well. :)
(Or I can take that as a sarcastic reply, and say that we'll never make a calc :P)

touchscreen anyone? :D

Snake_X: Love to, but someone said AP tests hate touchscreen calcs. :(
Otherwise, existing hardware (BeagleTouch) will easily be installed and used.
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Offline alberthrocks

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Re: Let's build our own calculator!
« Reply #17 on: August 05, 2010, 11:44:02 pm »
- BeagleBoard XM (maybe, maybe not)
ahahahahaha

Know about it? Or just loling at the name? ;)

what processor? keep it z80 for ASM compatibility or go ARM for more speed and Nspire compatibility?

BeagleBoard is 100% ARM. z80 compatibility is an option - maybe emulation?
There is a *ton* more ASM stuff out there.  Definitely z80.

Meh.... a Z80 duplicate is pretty sucky - it's a slow CPU by design for just simple stuff.
Maybe Z80 emulation?

That would be pretty cool if we did something like this or someone did.

Isn't there something like this over at Cemetech where one of the guys has been modifying TI calculators?
Yes, Kerm himself. ;) (Admin as well, FYI)

Yeah, the admin himself :P
KermMartian has been modding calcs for a while now.

Yes, we know. ;)
« Last Edit: August 06, 2010, 08:59:16 am by alberthrocks »
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Offline meishe91

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Re: Let's build our own calculator!
« Reply #18 on: August 05, 2010, 11:49:31 pm »
Ya, I thought that was who it was but I wasn't 100% for sure.
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Offline TIfanx1999

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Re: Let's build our own calculator!
« Reply #19 on: August 05, 2010, 11:50:00 pm »
I know it's not exactly the same, but Ben Reyves over at maxcoderz built himself a Z80 computer. You can check out the thread here:
http://www.junemann.nl/maxcoderz/viewtopic.php?f=2&t=2691&hilit=z80+computer
« Last Edit: August 05, 2010, 11:50:17 pm by Art_of_camelot »

Offline alberthrocks

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Re: Let's build our own calculator!
« Reply #20 on: August 06, 2010, 12:06:06 am »
I know it's not exactly the same, but Ben Reyves over at maxcoderz built himself a Z80 computer. You can check out the thread here:
http://www.junemann.nl/maxcoderz/viewtopic.php?f=2&t=2691&hilit=z80+computer

Pretty interesting.... but I still think we should stick to ARM. As the OP himself said, it's pretty weak to do anything really powerful. :) Also, SirCmpwn is already making a wonderful Z80 OS, and there's already a platform to build on - the TI calculator.

What I'd like to do is to design a new OS and calculator. The OS is based off Linux, which is a pretty fun OS to work with.

Actually, I have an idea - there could be 2 branches of this project: good ol' Z80, which if successfully made, would sell for around $40-80, and gain quite a bit from the cheapness; then the ARM based calculator, which is like a Nspire, but with a colorful GUI, better processor, and of course, NOT LOCKED. ;)

The Z80 calc in particular could run KnightOS, so no issues with DMCA or any licensing. If this happened, that would be awesome. :D The ARM calculator is a whole new thing, and is more or less an experiment.
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C______c: 0% done (Doing planning and trying to not forget it :P)
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AtomBot v3.0: 0% done (Planning stage, may do a litmus test of developer wants in the future)
IdeaFrenzy: 0% done (Planning and trying to not forget it :P)
wxWabbitemu: 40% done (NEED MOAR FEATURES :P)

Calculator Projects:
M__ C_____ (an A____ _____ clone): 0% done (Need to figure out physics and Axe)
C2I: 0% done (planning, checking the demand for it, and dreaming :P)

Offline chrisf1337

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Re: Let's build our own calculator!
« Reply #21 on: August 06, 2010, 12:46:27 am »
We should just run TI OSes for the heck of it.
Hai thar!

Offline alberthrocks

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Re: Let's build our own calculator!
« Reply #22 on: August 06, 2010, 12:50:31 am »
We should just run TI OSes for the heck of it.

There's plenty of emulators for that. ;)
And besides, you'll get lawsuits for doing that. This is going to be sold - that's even more of a pain to TI, since they currently have a monopoly. Selling another equally, if not better calculator is a smack to TI. (KnightOS and Z80 based calc, that is.)
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Activity remains limited due to busyness from school et al. Sorry! :( Feel free to PM, email, or if you know me well enough, FB me if you have a question/concern. :)

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Spoiler For "My Projects! :D":
Projects:

Computer/Web/IRC Projects:
C______c: 0% done (Doing planning and trying to not forget it :P)
A_____m: 40% done (Need to develop a sophisticated process queue, and a pretty web GUI)
AtomBot v3.0: 0% done (Planning stage, may do a litmus test of developer wants in the future)
IdeaFrenzy: 0% done (Planning and trying to not forget it :P)
wxWabbitemu: 40% done (NEED MOAR FEATURES :P)

Calculator Projects:
M__ C_____ (an A____ _____ clone): 0% done (Need to figure out physics and Axe)
C2I: 0% done (planning, checking the demand for it, and dreaming :P)

Offline Happybobjr

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Re: Let's build our own calculator!
« Reply #23 on: August 06, 2010, 09:08:28 am »
i am all for this project, but i am ignorant for about everything this includes.
I am willing to invest in this project though. And will help as much as i can.
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Offline program4

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Re: Let's build our own calculator!
« Reply #24 on: August 06, 2010, 09:30:34 am »
If you do make a calc, be sure to include a sensor pad, just like a laptop  ;)
Also, use 48-bit deep color for the screen with 1024x768 resolution  ;) (j/k)

http://en.wikipedia.org/wiki/Truecolor#Beyond_truecolor:_Deep_Color

SirCmpwn

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Re: Let's build our own calculator!
« Reply #25 on: August 06, 2010, 09:34:54 am »
Oh, I would be perfectly fine running KOS on this when it's done.

Offline Raylin

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Re: Let's build our own calculator!
« Reply #26 on: August 06, 2010, 09:35:27 am »
I'm game.
But, we will need a knowledge base.
I dunno how to hard mod at all.
Bug me about my book.

Sarah: TI-83 Plus Silver Edition [OS 1.19]
Cassie: TI-86 [OS 1.XX]
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SirCmpwn

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Re: Let's build our own calculator!
« Reply #27 on: August 06, 2010, 09:36:24 am »
Yeah, same here.  Ben Ryves knows how to, and KermMartian, and probably a few others as well.

Offline Happybobjr

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Re: Let's build our own calculator!
« Reply #28 on: August 06, 2010, 09:55:13 am »
how much are we going to spend on each calc to make?
max price for:
screen-
buttons-
shell of calculator-
battery-
back up battery-
hardware and chips-
advertisement-
shipping-
location of selling-

total cost?-
selling price?-
profit?-
School: East Central High School
 
Axe: 1.0.0
TI-84 +SE  ||| OS: 2.53 MP (patched) ||| Version: "M"
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Offline Raylin

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Re: Let's build our own calculator!
« Reply #29 on: August 06, 2010, 10:07:57 am »
One question:

How the hell are you going to collaborate the build process?
Bug me about my book.

Sarah: TI-83 Plus Silver Edition [OS 1.19]
Cassie: TI-86 [OS 1.XX]
Elizabeth: TI-81 [OS 1.XX]
Jehuty: TI-83 Plus Silver Edition [OS 1.19]
Tesla: CASIO Prizm