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 Very very very very very simple boot up code.
I found this on ther web. Very simple but compresensive one. You can learn how operating system start works. http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=3570&lngWId=3