.thumb
    .text
    .align 2
    .global BIOS_51E0
    .thumb_func
BIOS_51E0:
    ldrh r2, [r1, #4]
    strh r2, [r0, #0]
    ldr r1, [r7, #0x14]
    ldr r0, [r7, #0x18]