zuoyyi.lst

本文件包含了使用C语言编写单片机的各种入门程序

C51 COMPILER V8.02   ZUOYYI                                                                10/22/2008 22:14:29 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE ZUOYYI
OBJECT MODULE PLACED IN zuoyyi.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE zuoyyi.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          sbit sda=P0^2;
   3          sbit scl=P0^3;
   4          unsigned int b,n;
   5          code unsigned int led[27]={0xff,0xff,
   6          0xff,0xff,0xff,0xff,0xff,0xff,0x11,
   7          0xd3,0xd3,0x92,0xfe,0x32,0xd7,0xd4,
   8          0x32,0x32,0x18,0x32,0xff,0xff,0xff,
   9          0xff,0xff,0xff,0xff};
  10          
  11          void delay(int t)
  12          {
  13   1      int k;
  14   1      for(;t>0;t--)
  15   1      for(k=0;k<300;k++);
  16   1      }
  17          
  18          shift(int k)
  19          {
  20   1      int n,led1=led[k];
  21   1      for(n=0;n<8;n++)
  22   1      {
  23   2      scl=0;
  24   2      if(led1&0x80)sda=1;
  25   2      else sda=0;
  26   2      scl=1;
  27   2      scl=0;
  28   2      sda=0;
  29   2      led1=led1<<1;
  30   2      }
  31   1      }
  32          
  33          void main()
  34          {
  35   1      for(n=0;n<20;n++)
  36   1      {
  37   2      b=n+7;
  38   2      shift(b);
  39   2      P2=0xaa;
  40   2      b=n+6;
  41   2      shift(b);
  42   2      P2=0x55;
  43   2      b=n+5;
  44   2      shift(b);
  45   2      P2=0xaa;
  46   2      b=n+4;
  47   2      shift(b);
  48   2      P2=0x55;
  49   2      b=n+3;
  50   2      shift(b);
  51   2      P2=0xaa;
  52   2      b=n+2;
  53   2      shift(b);
  54   2      P2=0x55;
  55   2      b=n+1;
C51 COMPILER V8.02   ZUOYYI                                                                10/22/2008 22:14:29 PAGE 2   

  56   2      shift(b);
  57   2      P2=0xaa;
  58   2      b=n;
  59   2      shift(b);
  60   2      P2=0x55;
  61   2      delay(400);
  62   2      }
  63   1      for(n=0;n<20;n++)
  64   1      {
  65   2      shift(n);
  66   2      P2=0x55;
  67   2      shift(n+1);
  68   2      P2=0xaa;
  69   2      shift(n+2);
  70   2      P2=0x55;
  71   2      shift(n+3);
  72   2      P2=0xaa;
  73   2      shift(n+4);
  74   2      P2=0x55;
  75   2      shift(n+5);
  76   2      P2=0xaa;
  77   2      shift(n+6);
  78   2      P2=0x55;
  79   2      shift(n+7);
  80   2      P2=0xaa;
  81   2      delay(400);
  82   2      }
  83   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    370    ----
   CONSTANT SIZE    =     54    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)