The register can hold the address of the whole struct, and the numeric portion can be modified depending on the structure member to be accessed.
寄存器可以存放整个结构的地址，数字部分可以根据所访问的结构成员进行修改。
The register can hold the address of the whole struct, and the numeric portion can be modified depending on the structure member to be accessed.
寄存器可以存放整个结构的地址，数字部分可以根据所访问的结构成员进行修改。
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