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伙计们。我从 C 盘读取 MBR 到内存,例如 0:0200H,然后调试它。但是,当我到达 0:7c18H REPZ 0:7c19H MOVSB 时,我收到一条消息“CPU 错误:操作码不正确。杀死进程。 ' 我不知道如何处理它。任何帮助将不胜感激。谢谢。
REPZ MOVSB 通常是一个字符串移动操作。您的 MBR 可能希望读取它期望在内存中导致它失败的字符串。