Hi, I've been trying to compile Collapse OS for TI-84+ and I've got it running in the included emulator, but I can't figure out how to turn the .rom file into an OS update.
EDIT: The ROM is only 8kb. It is not an app. It doesn't need TI-OS.
You just need to run `make os.8xu` and it will create the OS file. You can then run `make send` to have tilp automatically send it to your calculator for you.
I assume you are using collapseos from here?
https://git.sr.ht/~vdupras/collapseos
Interesting project! Since your ROM is only 8KB and doesn’t rely on TI-OS, you might want to look into how early OS loaders structure their image headers. One approach is to wrap it as a minimal OS update using the same format TI uses (.8xu), but with just enough metadata to boot into your code. You’ll likely need to craft a valid header and checksum for the Boot code to accept it—check out resources on how OS signing and validation works. Curious to see how far you get with this!
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