mul r23, r26
mov r23, r0
mul r22, r27
add r23, r0
mul r31, r24
add r23, r0
mul r30, r25
add r23, r0
mul r22, r26
mov r22, r0
add r23, r1
mul r31, r27
add r22, r0
adc r23, r1
mul r30, r24
add r22, r0
adc r23, r1
clr r24
mul r31, r26
mov r31, r0
add r22, r1
adc r23, r24
mul r30, r27
add r31, r0
adc r22, r1
adc r23, r24
mul r30, r26
mov r30, r0
add r31, r1
adc r22, r24
adc r23, r24
ret
这段汇编什么意思,帮忙看看
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