As mentioned above, the edge of mapped memory — last valid address — is often known as the system break or the current break.

如前所述，被映射的内存的边界(最后一个有效地址)常被称为系统中断点或者当前中断点。

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The RMO register is designed for each partition and is intended to facilitate each partition to reference address zero and yet a valid and unique address in the memory.

RMO 寄存器设计用于每个分区，并且可以帮助每个分区引用地址零、以及内存中有效的且唯一的地址。

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"o" : A memory operand is allowed, but only if the address is offsettable. ie, adding a small offset to the address gives a valid address.

对内存的操作被允许，但是必须支持地址偏移值，即，对于给出的地址，加上一个偏移量，此时也是一个合法的地址。

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