Making a bootable floppy disk
 

I'm trying to make bootable floppy disk that, when the computer is turned on, will run a program written in C++. I want it to be OS independent, so using a bootdisk isn't enough. A google search didn't help. How could I do this?

Even if it is "OS independant" it needs something to boot and run it.
A utility program could boot from either a Linux bootable floppy or a DOS bootable floppy and still be "independent" from the OS on the hard drive.
If you want it to not use any OS the you have some more work to do.
You can check some of this out:
http://www.ata-atapi.com/hiwdos.htm

Good Luck

And on a second reading, maybe you are just asking for this:
http://tldp.org/HOWTO/Bootdisk-HOWTO/

What I'm trying to do is make a simple OS that runs off of a floppy. I had something running off a DOS bootdisk, but to be a real OS that wont work. Any suggestions?

Ok.. There are few linux distributions which can reside on a single floppy! I don't remeber the name but there are few.
Just google. ;;; floppy linux

and you will find ur answer

Taker care.!!