Font-Through-Localization Hook for the CE

Not sure why I wanted this on a CE, but the more I worked at it the more fun it got. If you're tired of the default font that the calculator displays most things in, you can use this to change that.

This was originally a font hook, but small font support was removed for some reason. The localization hook needed to be used instead in order to access the small font as well as the large font.

Usage

1. Send FONTHOOK.8xp to the calculator.
2. Run it from the homescreen with the Asm( token found in the catalog. It should look like Asm(prgmFONTHOOK)
3. You're done.
4. If you want to uninstall it, run it again. You may need to unarchive it first.

Limitations

• Only changes alphanumeric characters (both upper and lower case). The source can be modified to accept a wider range but you'll have to encode those yourself.
• The hook only persists until the next Garbage Collect. Re-run the hook if you need do this.
• The program MUST be named FONTHOOK since it self-references for hook install. If you have to change the name, you also have to change the reference under the fh_FileName label in main.z80.

Build Dependencies

• Python 3.x
• PIL/Pillow (Python Imaging Library)

How to Build

• Open up the tools/fontpacker directory
• Copy the fonts you want to use into that folder
• Modify the final few lines in packer.py to use the fonts you chose
• Run the packer from the command line. (e.g. > py packer.py)
• Examine output.txt and output2.txt to make manual modifications if needed
• Open up the project root directory
• Run build.bat
• If it all went well, FONTHOOK.8xp should be in the bin folder. Try it out and see if the text needs further adjustments.

Troubleshooting

• I can't find the Asm( token.
  • It should be near the top of the catalog. Get to the catalog by pushing 2nd then 0.
  • If you still can't find it, then it was probably removed and you'll need a jailbreak/os downgrade to get it back again.
• Where can I find fonts?
  • You can grab them from the Fonts directory somewhere on your computer. For example, on my Windows 7 install, I have mine in C:\Windows\Fonts.
  • Find them online at the other end of a Google search. I like using DaFont. There are many other places.

Licenses

For my stuff: Do what you want.

For the other stuff: Comic Sans belongs to Microsoft, used without permission.

Credits

• jacobly - thanks for all the technical help with the hooks including help on pointing me in the right direction and stuff that isn't in any documentation anywhere. Probably not even at TI.
• Cemetech - A site and a community. It's a great place to be.
• geekboy1011 - Provider of cherries and sanity. Also wouldn't have started this whole let's-hook-into-all-the-things business without his initial suggestion for a particular homescreen hook.