进入保护模式可以得到很多好处 ,让你的程式不再有 640K 限制 ,可以产生虚

拟记忆体、拦 I/O ,所有的应用程式读写系统暂存器 ,产生中断....都可以完全拦

截 ,而且 TSS 工作切换能力可以让你不占用 DOS 下的堆叠区 ,还有很多好处无法

一一叙述 ,因此由笔者来教你如何切入保护模式吧....从简单的开始。-Into protection mode can be many benefits, so you no longer have 640K limit the program can generate virtual memory, block I/O, all applications read and write system registers, an interrupt can be completely blocked .... , and the ability to switch the TSS work so you do not take the stack zone under DOS, there are many benefits are unable to describe, so by the author to teach you how to cut into the protected mode it .... start simple.