mov move
mvn Mov Negative
ldr LoaD Register
str Store Register
lsl Logic Shift Left
lsr Logic Shift Right
asr Arithmetic Shift Right 算数右移
ror Rotate right 循环右移
bic bit clear
adc ADd with Carry
sbc subtract with Carry
mrs Move to Register from Special register
msr Move to Special register from Register
stm Store Multiple
ldm Store Multiple
stmfd Full Descending 满减栈
m在前大部分为move，m在后大部分为Mutiple多个
s可能是shift或者special register
r基本上是Register寄存器或者右
ld即Load
st即Store