孔令义 Lizza ; Ling-Yi Kong

未定义指令 [计] Undefined Instruction ; UD ; UDEF ; Undef

广义指令 macro instruction ; extra instruction ; extra-instruction

无意义指令 [计] meaningless order ; [计] meaningless instruction

符号定义伪指令 EQu

指令定义语言 instruction definition language ; command definition language

用户定义命令 User Defined Command

命令定义语言 [计] command definition language ; CDL

自定义指令逻辑 Nios II

广义指令模型 generalized directive model