简要介绍了Franklin C51交叉编译器的特点，较详细地讨论了C51语言程序设计的基本技巧及其与汇编语言程序的混合编程、中断处理过程等实际问题，并给出了相应的处理程序。-this article introducede the point of C51 across compiler,and discussed the essence skill of C51 programmer.
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