[BITS 16]
[ORG 0x7C00]

start:
    xor ax, ax
    mov ds, ax
    mov es, ax
    mov si, msg

loop:
    lodsb
    cmp al, 0
    je hlt
    mov ah, 0x0E
    int 0x10
    jmp loop

hlt:
    hlt
    jmp hlt

msg: db 'Hello M4 Bochs!', 0

times 510-($-$$) db 0
dw 0xAA55