| 释义 |
null instruction
空指令；［零指令］
One which performs no action during the operation of a program. Occasionally used to provide for future changes to the program, but more often used to complete a set of instructions where the machine code system requires instructions to be written in complete groups.
在程序运行期间不执行任何操作的指令。它通常用于实现一组指令，以满足机 器代码系统对于将指令写入完全群的要求，偶尔也用来为以后修改程序留出位置。 |