AT89S51 instruction summary-EEWORLD

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　　As a summary of the instruction system, Table 3-2 lists all the AT89S51 instruction mnemonics and brief descriptions of the functions, as well as the instruction length, execution time, and instruction code (machine code) arranged by function. You can quickly find the corresponding instruction code (manual assembly) based on the instruction mnemonics. You can also quickly find the corresponding instruction mnemonics (manual disassembly) based on the instruction code. You should be able to consult Table 3-2 proficiently, correctly understand the functions and characteristics of the instructions, and use the instructions correctly.
　　
　　Table 3-2 Instruction table arranged by function
　　 600
　　Continued Table
　　
　　2. Arithmetic operation class
　　 611
　　3. Logical operation class
　　 612
　　Continued Table
　　
　　3. Logical operation class
　　 621
　　4. Control transfer class
　　 622
　　Continued Table
　　
　　4. Control transfer class
　　 631
　　5. Bit operation class

632

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