BrokenThorn Entertainment

I can't put in an org statement. I already have one in the first-stage bootloader. I'm assembling both the first and second stage into a single binary*, and NASM won't accept two org statements. I've tried replacing the cs with the right memory segment value: mov ax, 1000h Since that's where the fir...

Hi. I'm building a second-stage bootloader. I want it to display a "hello world" message. My problem is that it doesn't. I've made two versions of the program. The first displays the message with some garbage characters before it, the second does not display it at all. Both programs are fairly simpl...

Hi I'm new... I'll be teaching a course on OS this winter, and while there are more than a few well-made textbook on the theory, I've been hard-put finding practical material. Then I came accross your tutorials. They are amazing! I hope no one will mind if I use some of them (with additional materia...