Cosmos/Build/Test Kernel

remove the .iso file, and run the commands in the iso root dir:

compiling  output.bin :

nasm -f bin -o output.bin kernel.asm 

build iso:
mkisofs -R -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table -o boot.iso

then use boot.iso as boot image.