bits 16 org 0x7c00 mov dx, 0x3f8 mov si, msg_bootloader mov cl, byte [msg_bootloader_size] rep outsb cli hlt msg_bootloader: db "HELLO FROM BOOTLOADER :)", 0x0A, 0x0D, 0 msg_bootloader_size: db 26 times 510-($-$$) db 0xFF dw 0xAA55
