Bitmap reverse decode - portapack-mayhem/mayhem-firmware GitHub Wiki
When you wanna check your bitmap with human eyes, you can use this script to convert it back to image that human eyes can read.
The script is at https://github.com/portapack-mayhem/mayhem-firmware/blob/next/firmware/tools/bitmap_tools/bitmap_arr_reverse_decode.py which is independent of project compile proccess.