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Offline fb39ca4

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Re: Let's build our own calculator!
« Reply #225 on: August 07, 2010, 03:25:54 pm »
Why the middle? That was one of the things I never really liked about the nspire.
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Offline DJ Omnimaga

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Re: Let's build our own calculator!
« Reply #226 on: August 07, 2010, 03:30:23 pm »
We really need to not make them too big. One concern people have is not getting their calc stolen. When people keep their calc somewhere else than on themselves (read: in their pockets), they have higher chances to get it stolen. If they can't even fit their calc in their pocket, then they have a little problem.

As for the ports, they should probably be on the top. I also don't think arrows should be in the middle. I find it hard to control stuff on the Nspire keypad because of that. Either put it on the right side like other calcs, or put it to the left, like on a Playstation, Xbox or Nintendo controller.
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Offline matthias1992

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Re: Let's build our own calculator!
« Reply #227 on: August 07, 2010, 03:33:51 pm »
Quote from: fb39ca4 on August 07, 2010, 03:08:17 pm
I would prefer having the link ports in the top, makes connecting with a short cable easier.
Could be done. Point is that sckethup messes up when placing circles and rectungles on a arched surface...

Quote from: DJ Omnimaga on August 07, 2010, 03:30:23 pm
We really need to not make them too big. One concern people have is not getting their calc stolen. When people keep their calc somewhere else than on themselves (read: in their pockets), they have higher chances to get it stolen. If they can't even fit their calc in their pocket, then they have a little problem.

As for the ports, they should probably be on the top. I also don't think arrows should be in the middle. I find it hard to control stuff on the Nspire keypad because of that. Either put it on the right side like other calcs, or put it to the left, like on a Playstation, Xbox or Nintendo controller.
I can't say anything about that. We will have to see how large the pcb's will be, then we can discuss this further. Of course the intend is to get it as small as possible but this shouldn't in anyway be a reason for choosing smaller and thus (often) less-good hardware.
« Last Edit: August 07, 2010, 03:35:58 pm by matthias1992 »
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Offline jnesselr

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Re: Let's build our own calculator!
« Reply #228 on: August 07, 2010, 03:38:56 pm »
Yeah, personally, I'm for making a working version right now.  Maybe start with the z80, since more people know about it.
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Offline matthias1992

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Re: Let's build our own calculator!
« Reply #229 on: August 07, 2010, 03:41:04 pm »
Quote from: graphmastur on August 07, 2010, 03:38:56 pm
Yeah, personally, I'm for making a working version right now.  Maybe start with the z80, since more people know about it.
Agreed. I'll stop designing it was just mocking-up. Let's all move to the hardware section so we can decide on that and get rolling...
* matthias1992 waves this topic goodbye
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SirCmpwn

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Re: Let's build our own calculator!
« Reply #230 on: August 07, 2010, 04:28:27 pm »
Well, ten softkeys is a bit much.  The actual OS part of KOS is only planned to need three x.x
Also, I like the link ports on top, and a DS style power switch would be nice, although the hardware should give the OS fair warning before the power is cut.
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Offline Mighty Moose

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Re: Let's build our own calculator!
« Reply #231 on: August 07, 2010, 04:32:55 pm »
That sound like a good idea, imo.  Wouldn't want to loose anything important with a power cut.
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SirCmpwn

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Re: Let's build our own calculator!
« Reply #232 on: August 07, 2010, 04:33:41 pm »
Yeah, plus if it's on the side of the device, it could easily be brushed against and users would loose all their valuable data.
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Offline fb39ca4

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Re: Let's build our own calculator!
« Reply #233 on: August 07, 2010, 04:36:48 pm »
The power switch should not cut off the power, but rather inform the os that the user wants to shut down the calc, so it has time to save stuff to flash memory. PLus, then the user can determine if they want to do a full shutdown, or just a "standby".
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Offline tloz128

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Re: Let's build our own calculator!
« Reply #234 on: August 07, 2010, 04:50:15 pm »
Speaking of power, will the calcs have rechargable batteries? I think that it would be really cool if the calcs would charge when plugged into the computer.
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Offline matthias1992

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Re: Let's build our own calculator!
« Reply #235 on: August 07, 2010, 05:19:24 pm »
Quote from: SirCmpwn on August 07, 2010, 04:33:41 pm
Yeah, plus if it's on the side of the device, it could easily be brushed against and users would loose all their valuable data.

You mean the power swithc? That is why I choose a slide switch, the one that has pretty "heavy" resistance and needs to click, if you keep it in a bag or pocket it can not possibly turn off with that sort of switch. Just my (humble) opinion.
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Offline Mighty Moose

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Re: Let's build our own calculator!
« Reply #236 on: August 07, 2010, 05:25:24 pm »
I was just thinking about that too.  It would kinda suck if it accidentally got switched on in your backpack and drained all the batteries.
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Cheers!
I beta test, so...yeah.  PM me if you want me to test anything :D.

Almost only counts in horseshoes and handgrenades.

Cogito ergo sum.

Calcs:
TI-84+, OS 2.43, Boot Code 1.02, 128k RAM
TI-84+SE VSC, OS 2.43, Boot Code 1.00, 128k RAM  (I'm spoiled :P)
TI-81, OS 1.6K (only borrowed)
Casio fx-CG10 (Prizm), OS 01.04.0200
TI-Nspire Clickpad, OS 1.4
TI-Nspire Clickpad, OS 3.1.0.392
TI-Nspire CAS Clickpad, OS 1.6.10110 (!?) now OS 3.1.0.392

Offline DJ Omnimaga

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Re: Let's build our own calculator!
« Reply #237 on: August 07, 2010, 06:12:22 pm »
Quote from: SirCmpwn on August 07, 2010, 04:33:41 pm
Yeah, plus if it's on the side of the device, it could easily be brushed against and users would loose all their valuable data.
Yeah, I had this happen a lot on my PSP 3000...
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Offline Happybobjr

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Re: Let's build our own calculator!
« Reply #238 on: August 07, 2010, 06:28:08 pm »
we can have a double power switch.
one on side controls if one on inside will respond to anything
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Offline chrisf1337

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Re: Let's build our own calculator!
« Reply #239 on: August 07, 2010, 08:02:10 pm »
You could have a lock function like on the PSPs that prevents you from accidentally turning it on (or off).
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