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Topics - northern_snow

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TI-Nspire / KuroRPG - RPG Maker - Demo released
« on: September 07, 2014, 06:55:29 am »
hikari.uiharu from Scalc is working on a RPG maker for NSpire. The project is named KuroRPG. Now a game demo created by KuroRPG has just been released. (The demo is in Chinese. But don't worry, there will be English interface support for the game maker.)
The demo is compiled directly from a PC version and doesn't have a good optimization.


1. Create a folder named "krpg" on your NSpire.

2. Put game files in this folder.

-Game Play-
W/A/S/D or 8/5/4/6 for up/down/left/right.
Z/X or 1/2 for OK/Cancel.
Esc for a force exit.

Based on SDL, KuroRPG will support most functions of RPG MAKER XP.
Future plan includes a RPG creator, a data editor and a script editor. The script language will be lua.
Also there will be a special development mode for Tower of the Sorcerer, a very popular RPG in China, originated in Japan.
Coming Soon...

Source: Scalc
Project Homepage

Other Calculators / Several strange NSpire prototypes found on taobao
« on: August 27, 2014, 05:07:45 am »

We found some interesting prototypes on taobao recently.

NSpire CAS+ with original Quick Reference Card and CD. I wonder what's in that CD? ... 1824754&ns=1#detail

NSpire Touchpad with... OS 1.x??? The menu shown in the photo must be OS 1.x. However NSpire Touchpad came out after OS 2.0. ... 9593963&ns=1#detail

Seven different types of NSpire Keyboard. (Collect the seven keyboards and summon the NSpire CX CAS XD )
Including DVT and EVT versions. ... =qclbodn28f3#detail

SO MANY second-hand NSpire CX. China is the biggest importer of electronic waste( I guess ;) ). Then we get cheap second-hand electronics. ... 6-847a-500e28d354bd

Source: Scalc

TI-Nspire / Orton and Princess comes to NSpire!
« on: August 25, 2014, 11:00:16 pm »
After the port of WP-34S, we now get the port of the classic game Orton and Princess on 9860-platform!
Ported by the enthusiastic programmer hikari.uiharu.
He was an active developer for CASIO fx-9860 series... until his own 9750 bricked. Then he turned to NSpire.

Please notice: It's NOT a simulator or emulator! It's just the game itself!

Game Play:
8 Up
6 Left
5 Down
4 Right
+ Jump
- Pause
esc Exit

Unfortunately those fun tips disappeared because they require PrintfMini command :(

Just have a try!



WP-34S, known as the most powerful scientific calculator on the earth, now has been ported to NSpire;D

Thanks Zweb for bringing us such a nice simulator!
Thanks hikari.uiharu for making the key map in the simulator!
Thanks the 34S project team: Pauli, Walter, Marcus & more!

The simulator has a very nice UI. Press the VAR key to see the remapping definition. Press the Sketch key can switch the register display (XYZT/ABCD/LIJK).

Please notice that currently it won't work on a clickpad NSpire.  :(

Some beautiful pictures:

Spoiler For Screenshots:

Spoiler For Running on a real CX:

As an open-source project, 34S has been ported to PC and iOS. And now it's the first time that we see a well functional simulator running on NSpire!

The WP 34S function set is based on the famous HP-42S RPN Scientific, the most powerful programmable RPN calculator built so far. We expanded this set, incorporating the functionality of the renowned programmer‘s calculator HP-16C, the fraction mode of the HP-32SII, probability distributions as featured by the HP-21S, and added many more useful functions for mathematics, statistics, physics, engineering, programming.


Other Calculators / Why is it impossible to downgrade from OS 3.9?
« on: August 19, 2014, 05:13:07 am »
What if I flash the boot2 through TTL?

Other Calculators / Summary of Recent News on
« on: June 09, 2014, 03:51:16 am »
Hi all, I've just finished my College Entrance Exam! Here is the recent news on cnCalc, the Chinese community.
And I suggest Bing translation for English readers. It's far better than Google.

Hikari.uiharu (Also Anderain Lovelace) released KuroScripter, an ONS-like text adventure engine. And the first game ported is the legendary... (#NSFW)じょそうさんみゃく!

Nbzwt updated the ArithMax OS. ( is the update log:
Code: [Select]
1.  Auto power off is supported.
2.  The contrast setting will be saved after power off.
3.  16-line scrolling display is supported.
4.  Add the 2048 game. ( Input 2048() in calculation mode)
5.  Fix the FSMC bug mentioned in
6.  Increase the RAM allocation to strengthen the stability.
7.  Fix the bug of maximum contrast.
8.  Fix the bug that can't input letter J in alpha mode.
9.  Add the time display function.
10. Fix the CPU frequency adjustment bug. The origin freq of previous OS is 84 MHz, half of the designed speed.

Chinese font is added and gray-scale display is also accomplished, all by 诗诺比. ( and

A small modification version of the ArithMax PCB is made by 怺逺_海子. A serial port output is added on the top. (

Nbzwt made this advertising video, which shows how he assembled the ArithMax:

He also wrote the guide of building the development environment:

A surveyor uploaded several photos of his CASIO FD-10 Pro. (Quite professional)

Other Calculators / Calling for all RTOS developers!
« on: October 03, 2013, 11:54:50 pm »
Nbzwt (Zweb on omnimaga) recently works on the ArithMax EV2, a DIY calculator based on hi-performance STM32F2 microcontrolle.

So many DIY calculators appeared, but most of them have no keyboard, let alone going into mass production.

But this time, things are different! ArithMax will have a keyboard, and we have a plan to put it into production!


CPU:i.MX233 ARM9 from Freescale @ <=454MHz
RAM:DDR333 64MB HY5DU121622D 16bit
Screen:2.6'' 640*480 307ppi resistence screen 200nit TD026TTEA1 LTPS TFT LCD
Keyboard:支持外部连接8*8矩阵键盘或通过i2c、spi总线连接键盘。(Professional terms, don't know how to translate XD)
Samples supporting the keyboard frome fx-82es plus and nspire touchpad.
IO:SJTAG,Serial Port, video output, TF card, USB



HP Calculators / Student testers of DVT HP Prime appeared
« on: August 16, 2013, 02:32:13 am »
According to the HP China agency, the students of Beijing NO.15 Middle School tests the HP Prime in the last month.

The article said that on June 12th, 2013, a summer camp named "Travelling Through Mathematics and Technology" supported by HP was held in Beijing NO.15 Middle School. In the summer camp, the HP Global Education Manager Tony introduced the HP Prime.

(The translation might not be accurate at some point, but I think it's better than Google translation XD)

And yesterday, two testers appeared on cnCalc. [Blue Screen photo inside~]

They reported that some DVTs are unstable while others are a bit better. They also mentioned the "Blue Screen", which reminds us the blue screen on NSpire Color. Mutiple-touch is still disabled.

It seems that the biggest problem of the DVTs are they will be automatically turned off. And no settings can disable the feature.  :(

I think the DVT is more like a prototype with the pre-release version software. So hopping HP can do better on the production version.

Check those attachments!  ;)
You'll see the REAL POWER of a 15-dollar scientific calculator made by CASIO!  ;D

-All photos are from fx-es(ms) user group.

HP Calculators / HP Prime Emulator!!!
« on: July 16, 2013, 04:26:00 am »

General Calculator Help / Help Needed with NSpire CM and nLaunch
« on: July 10, 2013, 04:27:26 am »
The new nsManager supports of switching the region code.
But in the program, the function of switching a CM to a CX is disabled. So Zweb recompiled the source code and changed his CM into a CX, and flashed the Boot2 with RS232.
So in theory the CM is a CX now (Also the link software detect it as a CX)
...However, he can install neither the CX OS nor the CM OS.
The installation of nLaunch caused a reboot and stuck at 60% of the bar.
The installation of a CX OS caused a "Missing ASIC user flag" error. After the 80E0 field of OS image was changed, which means the ASIC user flag matches, another error displayed...
The installation of a CM OS casued an "Invalid program ID" error.

Is there a syscall of boot2 can modify the NAND? Or any other way to modify the NAND without an OS?
What's wrong with the nLaunch?
What does the Field ID in hackspire really mean? In fact the ASIC user flag found in the OS image is not at the 80E0 field.

ExtendeD, Lionel Debroux, Critor, Adriweb, nLaunch guy and others please help...

Other Calculators / Attempts to dump the prototype NSpire CM OS
« on: June 06, 2013, 04:18:48 am »
Zweb got a CM prototype recently. However, without another CM we can hardly dump the OS.
I and Zweb are in the same city so I can provide a CX and a prototype TI-XXXXXXXXXXX.
Here are some ideas:
1. To install a CM OS on my CX (I tried with nlaunch and the latest ndless compatipled with CM but failed)
2. To modify the product ID and OS version of TI-XXXXXXXXXXX to receive the CM OS. (I don't know if it's possible)
Any other ideas? Or we have to buy another CM?

Other Calculators / Amazing! TI PLT SHH x7!!!
« on: May 16, 2013, 11:12:47 am »
Still remember the seller from Foshan who sold me the PLT-SHH1, FHH1 and SU1? He is back with seven SHH1! (Oh it's not ads XD)

This time, some of them has a partly broken screen, but not so serious. I have asked him to confirm wether they can be turned on. He may reply me tomorrow.

Those prototypes seem to come from Hong Kong, then come to his hand.

Check the link:

Other Calculators / TI GTC is dying?
« on: April 04, 2013, 01:10:27 am »
TI GTC is a great on-calc IDE&compiler for 68k calculators. However, I can't find an available download link now :( The official site simply shows an error message.
Please give me a link available, thanks a lot!

TI-Nspire / DLiterature for NSpire: Chinese text reader (ndless required)
« on: February 16, 2013, 03:23:31 am »
Diameter, the author of Chinese text reader for CASIO fx-9860 series (which named DLiterature), now works on a Chinese text reader for NSpire!
Great thanks to the nice tools the community provided: ndless SDK and kArmTI. He even doesn't own an NSpire now!
Here are the screen shots!

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