;Copyright (C) 2007 by Mattia Monga bits 16 ; 16 bit real mode org 0x7C00 ; origine indirizzo 0000:7C00 start: mov ax, 0xb800 ; text video memory dest array index [ES:DI] mov es, ax mov di, 0 ; start of video memory cld ; clears direction flag (index regs incremented) mov ah, 0x0F ; attrib = white on black mov si, msg call message hlt message: lodsb ; carica un byte da [DS:SI] in AL e inc SI cmp al, 0 jz done stosw ; memorizza una word da [ES:DI] in AL e inc SI jmp message done: ret msg db "Hello world from the bare machine!!!", 0 times 510-($-$$) db 0 dw 0xAA55