main.lst

F020单片机各模块代码实例

C51 COMPILER V7.07   MAIN                                                                  08/01/2007 20:26:34 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: E:\Keil\C51\BIN\C51.EXE main.c LARGE DEBUG OBJECTEXTEND

stmt level    source

   1          sfr P1 = 0x90; 
   2          sfr P1MDOUT  =  0xA5;     
   3          //sfr P3 = 0xB0;          /* SFR definition for Port 3 */
   4          
   5          /*------------------------------------------------
   6          MAIN C Function
   7          ------------------------------------------------*/
   8          void display_led(void)
   9          {
  10   1        P1MDOUT=0x20;
  11   1        P1 = 0xFF;
  12   1      }
  13          void main (void)
  14          {
  15   1      unsigned char pval;     /* temp variable for port values */
  16   1      pval=0xFF;
  17   1      //P1 = 0xFF;              /* Setup P1 for Input */
  18   1       //display_led(); 
  19   1      /*--------------------------------------
  20   1      Use the Toolbox buttons in the debugger
  21   1      to change the value of P1.  Open the
  22   1      Port 1 and Port 3 dialogs from the
  23   1      Peripherals Menu to view their status.
  24   1      --------------------------------------*/
  25   1      while (1)
  26   1        {
  27   2        display_led(); 
  28   2       // pval = P1;            /* Read P1 into pval */
  29   2       // P3 = pval;            /* Write pval to P3 */
  30   2      
  31   2        }                                
  32   1      }
  33          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     18    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----       1
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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