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术语 index register
释义 index register
变址寄存器;[索引暂存器]
1. A register whose contents can be used to modify an operand address during the execution of computer instructions. NOTE: An index register may also be used as a counter to control the execution of a loop, to control the use of an array, for table lookup, as a switch, or as a pointer.
一种寄存器,该寄存器的内容能用于在执行计算机指令时修改操作数地址。注: 变址寄存 器还可用作计数器,以控制一个循环的执行,控制某一数组的使用,以及用作查表的开关或 指针。
2. In assembler programming, a register whose contents are added to the operand or absolute address derived from a combination of a base address with a displacement.
在汇编程序设计中,一种寄存器,这种寄存器的内容能加到操作数或由基地址和位移 量结合而得到的绝对地址上。
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