begin:
mov ax, cs
mov ds, ax
cli
mov ss, ax
mov sp, 0xfffe
sti
mov si, msg
call putstr
hang:
jmp hang
msg db 'Hello, World!', 0
putstr:
lodsb
or al, al
jz putstrd
mov ah, 0x0e
mov bx, 0x0007
int 0x10
jmp putstr
putstrd:
retn