;; option bytes(0x4800~0x480A)
    .area   OPTION

_bootO_start_opt:
    .db 0x00            ; ROP
    .db 0x00,0xFF       ; UCB
    .db 0x00,0xFF       ; AFR
    .db 0x00,0xFF       ; Misc
    .db 0x00,0xFF       ; Clock
    .db 0x00,0xFF       ; HSECNT