Bootable floppy-disk images for Apple II and IBM PC emulators

I have written, in the past (notably here ), on the topic of making programs that boot directly on a computer without requiring an operating system. In order for people to use this information, however, they need to be able to create some kind of boot medium from which the software can be loaded, and this led me to become interested in the formats used for floppy-disk images for popular computer…