Reset后各寄存器的值

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Reset后各寄存器的值
注:未列出的寄存器或者为保留或者为未定义
系统启动时的物理地址为0FFFFFFF0H,此外为一转移指令,此时的IDTR的高速缓冲寄存器中的基地址为00000000H(图中所示),界限为3FFH,这正好与实模式下中断向量表一至,可以把中断向量表放在内存中的任务位置上,但要保持其结构不能与实式的要求有大的出入,否则会引起异常中断,且以后的运行皆按实模式规则运行.这里指的是初始化的值,而图中为Reset后的值,其实差不多啦

                                                                                                                                 

                                                                                                                                 

                                                                                                                                  

                                                                                                                                 

                                                                                                                                

                                                                                                                                  

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