test.lst

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C51 COMPILER V6.02  TEST                                                                   03/10/2001 20:13:23 PAGE 1   


C51 COMPILER V6.02, COMPILATION OF MODULE TEST
OBJECT MODULE PLACED IN .\test.OBJ
COMPILER INVOKED BY: D:\C51\BIN\C51.EXE .\test.C DEBUG OBJECTEXTEND

stmt level    source

   1          //有关C51语言编程,请参阅有关资料
   2          // P1口测试程序,P1口LED灯亮移位程序
   3          #include <reg51.h>				//器件配置文件
   4          #define uchar unsigned char	//预处理命令,宏名
   5          #define uint unsigned int
   6          #define ulong unsigned long
   7          delay(ulong  t)				//延时函数,延时子程序
   8          {
   9   1      ulong i;
  10   1      for (i=0;i<t;i++);
  11   1       }
  12          void main(void)				//主函数
  13          {
  14   1      uchar i,d;						//设P0口为输出
  15   1      while(1)						//循环
  16   1      	{
  17   2      		for (i=0;i<8;i++)	//硬件设定低电平灯亮,LED的
  18   2      {			
  19   3      			d=1<<i;			//左移
  20   3      					P0=~d;		//取反
  21   3      			delay(6553);//弊映绦