Questions about .g1l files

[northern_snow]

Diameter, a programmer in China, developed an Add-In for reading Chinese txt files. Now he is working on Chinese localization of 9860. There is a Russian Language Add-in which released long ago, so similar things may can be done to Chinese.
Here are some questions:
1. How to make *.g1l files? Does CASIO provide any software?
2. Does the g1l file contain a full font, or just "tell" the OS to display the characters that stored in the system?
3. Are there any limits of the font, for example, must be 8x6 large?
Thanks!
And sorry for my bad expression of English

This is an example of Chinese display of 7x7 characters.

[helder7]

No casio doesnt provide any software to do this, however, this type of files (.G1l) is easy to hack with a hex editor. 

i think russian characters are included in the OS, and chinese characters no (since diameter and other CS chinese devs uses a custom font)

if indeed, the Chinese caracters are not Included in os, there are one solution: Os Modding to inject Chinese font in os and create a custom (.g1l)

for casio fx-cg10/20, casio released a software update (1.04) to add support for Chinese characters, fx9860 and was never updated after this

[Art_of_camelot]

This is a pretty cool project. I wonder if it is possible to just store the characters in memory somewhere, and just tell the os where to look for it. Essentially, doing a hack to redirect to the font file as opposed to modding the os itself (which I imagine would be more complicated).