PeuTit/nyx-os-scratch

Learning os development

Assembly

Nyx OS from scratch

Learn how an OS works from the very beginning.

Needed:

brew install nasm
brew install qemu

Build the binary with:

nasm -f bin boot.asm -o boot.bin

Run the binary with:

qemu-system-x86_64 -drive format=raw,file=boot.bin

Ressources

Why do we need to offset addresses by 0x7c00?

Why do we need ORG 0x7c00 at the beginning of a bootloader?

Youtube playlist used for this tutorial