The instruction system of the calculation group: 1. An overview of the instruction system (definition, classification, format, extended operation code instruction format)

mind Mapping

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Definition of instructions

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Instruction format

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Order classification

Instructions-sorted by the number of address codes

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Instructions-Classified by instruction length

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Instructions-classified by operation type

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Extended opcode instruction format

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note:
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Advantages and disadvantages:
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Origin blog.csdn.net/qq_41587740/article/details/109109383
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