30-9.lst

C51程序应用例子,自己的学习历程,希望可以帮到大家

C51 COMPILER V7.06   30_9                                                                  03/03/2009 10:51:15 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 30_9
OBJECT MODULE PLACED IN 30-9.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 30-9.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #define uchar unsigned char
   2          #define ulong unsigned long
   3          #define uint unsigned int
   4          #include<reg52.h>
   5          
   6          sbit P10=P1^0;
   7          sbit P11=P1^1;
   8          sbit P12=P1^2;
   9          sbit P13=P1^3;
  10          
  11          bit ldelay=0;
  12          uchar speed=10;
  13          
  14          void main(void)
  15          {
  16   1      uchar code ledp[4]={0xfe,0xfd,0xfb,0xf7};
  17   1      uchar ledi=0;
  18   1      static uchar s;
  19   1      
  20   1      RCAP2H=0x10;
  21   1      RCAP2L=0x00;
  22   1      TR2=1;
  23   1      ET2=1;
  24   1      EA=1;
  25   1      
  26   1      while(1)
  27   1      {
  28   2      
  29   2      if(ldelay)
  30   2      {
  31   3      
  32   3      ldelay=0;
  33   3      P1=ledp[ledi];
  34   3      ledi++;
  35   3      if(ledi==4)ledi=0;
  36   3      
  37   3      if(speed==0)
  38   3      {s=1;}
  39   3      else
  40   3      {s=0;}
  41   3      
  42   3      if(s==0)
  43   3      {speed--;}
  44   3      else
  45   3      {speed++;}
  46   3      
  47   3      }
  48   2      }
  49   1      }
  50          
  51          timer0() interrupt 5
  52          {
  53   1      
  54   1      static uchar t;
  55   1      TF2=0;
C51 COMPILER V7.06   30_9                                                                  03/03/2009 10:51:15 PAGE 2   

  56   1      t++;
  57   1      if(t==speed)
  58   1      {
  59   2      t=0;
  60   2      ldelay=1;
  61   2      }
  62   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     78    ----
   CONSTANT SIZE    =      4    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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