.thumb
    .text
    .align 2
    .global BIOS_51C0
    .thumb_func
BIOS_51C0:
    strh r1, [r0, #0]
    ldr r0, [r7, #0x18]
    ldrh r1, [r0, #0xC]
    lsls r0, r0, #0x10