响应外部中断的过程中,中断隐指令完成的操作,除保护断点外,还包括 关中断 II.保存通用寄存器的内容 III.形成中断服务程序入口地址并送 PC
A.
仅 I、II
B.
仅 I、III
C.
仅 II、III
D.
I、II、III
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