数据指针寄存器；

Data Pointer Register ;

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在调试信号时，需要查看的一些重要寄存器包括GPR、指令指针(NIP)、机器状态寄存器(MSR)、Trap、数据地址寄存器(DAR)等等。

Important registers to look for when debugging through signals are the GPRs, instruction pointer (NIP), machine state register (MSR), trap, data address register (DAR), and so on.

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每当指针用于访问数据，它是前或后由四种可能的修改寄存器一个值修改。

Whenever the pointer is used to access data, it is pre- or post-modified by the value of one of four possible modify registers.

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两个数据指针(41、43)与特殊功能寄存器相结合导致四个有效快速参考位置。

Two data Pointers (41, 43) in conjunction with the special function register result in four effective quick reference locations.

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两个数据指针(41、43)与特殊功能寄存器相结合导致四个有效快速参考位置。

Two data Pointers (41, 43) in conjunction with the special function register result in four effective quick reference locations.

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