This image size is exactly 512 bytes. Same as the limit of bootsector programs.
- Game 1 floppy.img
- Game 2 floppy.img
- Run in emulator (online) https://copy.sh/v86/ or boot on real hardware (x86)
- Examine image in https://hexed.it/
- QEMU (x86_64)
- NASM
$ cd bootsector/
$ ./build-and-run.sh game1