I think it’s 2003 or 2004 that I made this very simple booting code to demonstrate how OS starts. I paste the output here for the future reference. bootsec.asm ORG 0x7c00 jmp begin_boot bootmesg1 db “Press any to boot KERNEL…..” mesglen equ $ – bootmesg1 drive db 0 [BITS 16] print_mesg: mov ah, 0x13 mov… Continue reading