bits 16
org 0x7c00

boot:
	mov si,hello
	mov ah, 0x0e
.loop:
	lodsb
	or al,al
	jz halt
	int 0x10
	jmp .loop
halt:
	cli
	hlt
hello: db "Hello world!",0

times 510 - ($-$$) db 0
dw 0xaa55