目录

（续）

第4章

Thumb指令集

（续）

格式4 ： ALU Operations....................................................................................................................4-11

Operation....................................................................................................................................4-11

指令周期Times................................................................................................................4-12

示例...................................................................................................................................4-12

格式5 ：嗨寄存器的操作/分行外汇........................................ ....................................... 4-13

Operation....................................................................................................................................4-13

指令周期Times................................................................................................................4-14

BX指令.......................................................................................................................4-14

示例...................................................................................................................................4-15

使用R15作为Operand............................................................................................................4-15

格式6 ： PC-相对Load..................................................................................................................4-16

Operation....................................................................................................................................4-16

指令周期Times................................................................................................................4-17

示例...................................................................................................................................4-17

格式7 ：加载/存储在寄存器Offset.............................................................................................4-18

Operation....................................................................................................................................4-19

指令周期Times................................................................................................................4-19

示例...................................................................................................................................4-19

格式8 ：加载/存储符号扩展字节/半字...................................... .......................................... 4-20

Operation....................................................................................................................................4-20

指令周期Times................................................................................................................4-21

示例...................................................................................................................................4-21

格式9 ：加载/存储有了直接偏移量......................................... ................................................. 4 -22

Operation....................................................................................................................................4-23

指令周期Times................................................................................................................4-23

示例...................................................................................................................................4-23

格式10 ：加载/存储Halfword............................................................................................................4-24

Operation....................................................................................................................................4-24

示例...................................................................................................................................4-25

格式11 ： SP-相对加载/存储.......................................................................................................4-26

Operation....................................................................................................................................4-26

指令周期Times................................................................................................................4-27

示例...................................................................................................................................4-27

格式12 ：负荷Address.....................................................................................................................4-28

Operation....................................................................................................................................4-28

指令周期Times................................................................................................................4-29

示例...................................................................................................................................4-29

格式13 ：添加偏移量堆栈指针.................................................................................................4-30

Operation....................................................................................................................................4-30

指令周期Times................................................................................................................4-30

示例...................................................................................................................................4-30

S3C2440A微控制器

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