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Messages - pbfy0

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TI-Nspire / Re: New TI NSpire downgrade?
« on: November 08, 2017, 10:08:48 pm »
Compatibility mode is entirely a hardware thing. TI switched the orientation of the LCD in memory, so programs that haven't been updated for Hardware revision W need to have some helper code redraw the screen in the correct orientation. Downgrading the OS won't get you anything.

TI-Nspire / Re: Hiding the files
« on: November 08, 2017, 09:58:39 pm »
Test mode on the nspire temporarily hides files. Turn it off, then hold down escape while turning it on. Once you connect it to a computer and leave test mode, all your files will be back. It would also be totally possible to make an ndless program to hide files, but I don't know if such a program exists now.

TI Calculators / Re: Overclocking with OS 4.2 TI-nspire CX CAS
« on: February 26, 2016, 07:47:11 pm »
Nover very likely works just fine. Nover uses the calculator's hardware directly, so the OS version shouldn't matter too much. However, I don't know how overclockable new hardware revisions are. I know the early CXs could overclock a lot, but I don't know about the new ones. You'll probably be able to get at least some boost, though.

TI-Nspire / Re: nspire-z80: open source ti-84 emulator for the nspire cx
« on: February 16, 2016, 03:10:46 pm »
I worked on it some back in May and June of last year, and I finished it in the last week or two. I used an existing z80 core (DrZ80), but all the IO code is mine. The Z80 core is written in assembly, and the IO code is written in C with some assembly components for speed.

TI-Nspire / Re: z80 emulator for Nspire
« on: February 16, 2016, 01:29:52 pm »
I just released another z80 emulator on the nspire. It's incomplete, but it's about as functional as this one was.

TI-Nspire / nspire-z80: open source ti-84 emulator for the nspire cx
« on: February 16, 2016, 01:23:26 pm »

This emulator is not fully functional, but it can boot up TI-OS, so it's fairly complete. It seems to freeze if it's idle for long enough that it should turn off, so don't use it for anything critical. However, it does work, so I'm publishing it now. I hope to keep working on it and add the missing features.

Source code

To use, launch it once to register the file association, then launch a rom file with the extension "8rom". 
New in version 0.10: Fixed save states, Hardware W+ support, on button, offscreen area emulated

TI-Nspire / Re: New TI-Nspire emulator: Firebird Emu
« on: June 23, 2015, 05:51:26 pm »
All the keypad is keyboard-binded. This button, for instance, is Alt-Esc. See this file :
It looks like both Esc and Home are bound to the Escape key, and Esc is taking precedence. Alt-Esc minimizes the window for me.

TI-Nspire / Re: New TI-Nspire emulator: Firebird Emu
« on: June 23, 2015, 02:49:28 pm »
- Re-add the unthrottle speed button
- Re-add keybinds for home/on, plug in USB, and unthrottle speed
- Make the debugger entry bar clear after pressing enter

In addition, a more technical bugfix: The real nspire ignores the low three bits of the frame base address pointer at 0xC0000010, while the emulator doesn't align it at all.

General Calculator Help / Re: help with boot2 in CX
« on: June 22, 2015, 06:52:14 pm »
From what I remember, if you have hw rev J and a 3.1 boot2, you can still fix it through RS232. I don't know exactly how, though.

I'm good at java and know a bit about card games, but I've never actually written an android app. I'm available until early September, although there will be one or two weeks when I'm not available. I would be able to devote a lot of time to the project when I am available. My github is

General Calculator Help / Re: help with boot2 in CX
« on: June 19, 2015, 07:03:21 pm »
Can you boot up into maintenance mode? If you can, I'd recommend trying to reinstall the OS from there. I'm pretty sure that maintenance mode doesn't need boot2 to work.

The key that comes with a calculator requires the calculator to be plugged in to register. TI might give you a different kind of key that would work without the calculator.

You should call up TI. They gave me a new code when I switched computers.

Community Contests / Re: Code Golf - The Reboot #3
« on: June 18, 2015, 09:58:02 am »
I'm using nspire assembly. It's mostly so fast just because the calculator is fast. On the other hand, it's hard to golf past a certain point because all arm instructions are 4 bytes.

Community Contests / Re: Code Golf - The Reboot #3
« on: June 17, 2015, 01:38:05 pm »
And here I am with my program that runs 10 generations per second
On the other hand, it's 308 296 bytes

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