9999-0.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 V7.50   9999_0                                                                07/21/2006 17:24:29 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 9999_0
OBJECT MODULE PLACED IN 9999-0.OBJ
COMPILER INVOKED BY: D:\C51\BIN\C51.EXE 9999-0.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          sbit sda=P0^2;
   3          sbit scl=P0^3;
   4          unsigned int num,b;
   5          code int led[11]={0x11,0xd7,0x32,
   6          0x92,0xd4,0x98,0x18,0xd3,0x10,
   7          0x90,0xff};
   8          
   9          void delay(int k)
  10          {
  11   1      int u;
  12   1      for(;k>0;k--)
  13   1      for(u=0;u<500;u++);
  14   1      }
  15          
  16          shift(int t)
  17          {
  18   1      int n,led1=led[t];
  19   1      for(n=0;n<8;n++)
  20   1      {
  21   2      scl=0;
  22   2      if(led1&0x80)sda=1;
  23   2      else sda=0;
  24   2      scl=1;
  25   2      scl=0;
  26   2      sda=0;
  27   2      led1=led1<<1;
  28   2      }
  29   1      }
  30          
  31          display()
  32          {
  33   1      b=0x0a;
  34   1      shift(b);
  35   1      shift(b);
  36   1      shift(b);
  37   1      shift(b);
  38   1      b=num%10;
  39   1      shift(b);
  40   1      b=num%100/10;
  41   1      shift(b);
  42   1      b=num%1000/100;
  43   1      shift(b);
  44   1      b=num/1000;
  45   1      shift(b);
  46   1      }
  47          
  48          void main()
  49          {
  50   1      delay(200);
  51   1      for(num=9999;num>0;num--)
  52   1      {
  53   2      display();
  54   2      delay(500);
  55   2      }
C51 COMPILER V7.50   9999_0                                                                07/21/2006 17:24:29 PAGE 2   

  56   1      }
  57          
  58          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    261    ----
   CONSTANT SIZE    =     22    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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