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判断以下指令的正误。 （1） MOV R1，R2 （2）MOV 20H，@R3 （3）DEC DPTR （4）INC DPTR （5）MOVX A，@R1 （6）MOVC A，@DPTR （7）PUSH DPTR （8）CLR R1 （9）MOV 20H，30H （10）MOV F0，C （11） CPL R7 （12）RC A
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更多 “ 判断以下指令的正误。 （1） MOV R1，R2 （2）MOV 20H，@R3 （3）DEC DPTR （4）INC DPTR （5）MOVX A，@R1 （6）MOVC A，@DPTR （7）PUSH DPTR （8）CLR R1 （9）MOV 20H，30H （10）MOV F0，C （11） CPL R7 （12）RC A” 相关考题
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