Just another operating system!
Issues: When run on real hardware, some UEFI bios vendors do some trickery causing CobaltOS not to be recognized as a bootable medium. If this is the case, just run in it QEMU.
Complation: nasm -f bin bootloader.asm -o bootloader.img
Virtualizaton (QEMU): qemu-system-i386 bootloader.img