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===Base plus index=== +------+-----+-----+-----+ | load | reg | base|index| +------+-----+-----+-----+ (Effective address = contents of specified base register + contents of specified index register) The base register could contain the start address of an array or vector, and the index could select the particular array element required. The processor may scale the [[index register]] to allow for the [[stride of an array|size of each array element]]. This could be used for accessing elements of an array passed as a parameter.
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