Bootloader tutorial

[Just]

I'm a beginner in OS development and I'm having some problems to write my own bootloader. Where can I find a good tutorial or doc? I've found some, but they weren't well commented.

TIA

[carbonBased]

I wrote a tutorial a few years back (like... 6...) which might be useful.  There isn't much in the way of "tutorial" bits however, there is commented source code to my original nasm bootloader which might be of importance.

http://www.neuraldk.org/cgi-bin/document.pl?boot_sector

Jeff