摘要：
Abstract:在C51单片机编程中，头文件INTRINS.H的函数使用起来，就会让你像在用汇编时一样简便.Introduction:Intrins.h内部函数 描述_crol_ 字符循环左移_cror_ 字符循环右移_irol_ 整数循环左移_iror_ 整数循环右移_lrol_ 长整数循环左移_lror_ 长整数循环右移_nop_ 空操作8051 NOP 指令_testbit_测试并清零位8051 JBC 指令函数名： _crol_，_irol_，_lrol_原 型： unsigned char _crol_(unsigned char val,unsigned char n);unsi 阅读全文
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When nothing seems help,i go and look at a stonecutter hammering away his rock perhaps a hundred times without as much as a crack showing in it .Yet at the hundred and first blowit will split in two ,and i know it was not that did it ---but all that had gone before.