这些指令的特点是我们必须定义alu操作数和ALE(地址锁存允许)运算，除了两个例外：乘法和除法。
Main characteristic of these instructions is that we have to define both ALU operands and ALE operation. Exceptions among these instructions are mul (multiply) instruction div (divide) instruction.
这些指令的特点是我们必须定义alu操作数和ALE(地址锁存允许)运算，除了两个例外：乘法和除法。
Main characteristic of these instructions is that we have to define both ALU operands and ALE operation. Exceptions among these instructions are mul (multiply) instruction div (divide) instruction.
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