Hello there people! I created a BIOS-level bootloader that is based on the original Lua BIOS that implements a bootloader function. You simply press the number of the OS you would like to boot to from the list of recognized filesystems. The reason why I created this is that it is roughly 2,000 bytes shorter than OpenLoader's EEPROM.
There are two versions:
Source version (uncompressed, roughly 2.6k bytes): https://thepuzzlemaker.info/static/blbios2.source.lua
Compressed version (compressed, roughly 1.3k bytes): https://thepuzzlemaker.info/static/blbios2.comp.lua
To install (compressed