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Study on the Addressing Mode of Assembly Language Instruction Set of 80C51 MCU

机译:80C51单片机汇编语言指令集寻址方式的研究

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The addressing mode of assembly language instruction set of 80C51 MCU is redefined.The addressing mode is classified according to two standards separately.The addressing mode is the method decrypting operand address in the instruction,or finding the next instruction address.The mode to find the operand address includes direct addressing,register addressing,register indirect addressing and base address plus index indirect addressing.The mode to find the next instruction address includes sequential addressing,base address plus index indirect addressing and relativeaddressing.
机译:重新定义了80C51 MCU汇编语言指令集的寻址方式,该寻址方式根据两种标准分别进行了分类。寻址方式是对指令中的操作数地址进行解密或查找下一条指令地址的方法。操作数地址包括直接寻址,寄存器寻址,寄存器间接寻址和基址加上索引间接寻址。查找下一条指令地址的方式包括顺序寻址,基址加上索引间接寻址和相对寻址。

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