A "bootloader" that renders a donut!
Run ./compile.sh and execute qemu-system-i386 -drive file=donut.bin,format=raw
https://www.a1k0n.net/2011/07/20/donut-math.html
https://stackoverflow.com/questions/22054578/how-to-run-a-program-without-an-operating-system/32483545#32483545 https://www.codeproject.com/articles/664165/writing-a-boot-loader-in-assembly-and-c-part