point-p.lst

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C51 COMPILER V8.02   POINT_P                                                               07/31/2008 15:54:23 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE POINT_P
OBJECT MODULE PLACED IN point-p.OBJ
COMPILER INVOKED BY: C:\C51\BIN\C51.EXE point-p.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg52.h>
   2          bit tm21s=0;
   3          void main()
   4          {
   5   1      void delay(unsigned char i);
   6   1      void init();
   7   1      unsigned char a[4]={0xfe,0xfd,0xfb,0xf7};
   8   1      unsigned char *p[4]={&a[0],&a[1],&a[2],&a[3]};
   9   1      unsigned char i,**b;
  10   1      b=p;
  11   1      init();   //调用初始化
  12   1      while(1)
  13   1      if(tm21s)
  14   1      {
  15   2      tm21s=0;
  16   2      P0=**b;
  17   2      b++;
  18   2      i++;
  19   2      if(i==4){i=0;b=p;}
  20   2      }
  21   1      }
  22          //**初始化T2，自动重装，50MS中断一次 **//
  23          void init()
  24          {
  25   1      T2CON=0x04;
  26   1      RCAP2H=0x3c;RCAP2L=0xb0;
  27   1      ET2=1;
  28   1      EA=1;
  29   1      }
  30          //**中断入口，1秒设置**//
  31          timer2() interrupt 5
  32          {
  33   1      unsigned char t;
  34   1      t++;
  35   1      if(t==50)
  36   1      {t=0;
  37   2      tm21s=1;
  38   2      }}


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    135    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      21
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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