p1exe.lst

P1口扩展实验 P1口既做输入口又做输出口

C51 COMPILER V7.50   P1EXE                                                                 04/27/2008 15:48:03 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE P1EXE
OBJECT MODULE PLACED IN P1ExE.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE P1ExE.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          unsigned char L;
   3          sbit P10=P1^0;
   4          sbit P11=P1^1;
   5          void delay(unsigned int ms){
   6   1          unsigned char i;
   7   1          unsigned int j;
   8   1          for(j=0;j<ms;j++){
   9   2              for(i=0;i<60;i++){
  10   3                  ;
  11   3              }
  12   2          }
  13   1      }
  14          void display(){
  15   1          P1=~L;
  16   1      }
  17          
  18          main(){
  19   1              while(1){       
  20   2                      if((P10==1)&&(P11==1)){
  21   3                              L=0xFC;
  22   3                              display();
  23   3                      }else if(P10==0&&P11==0){
  24   3                              L=0x00;
  25   3                              display();
  26   3                      }else if(P10==1&&P11==0){
  27   3                              L=0xB0;
  28   3                              display();
  29   3                              delay(500);
  30   3                              L=0x00;
  31   3                              display();
  32   3                              delay(500);
  33   3                      }else if(P10==0&&P11==1){
  34   3                              L=0x4C;
  35   3                              display();
  36   3                              delay(500);
  37   3                              L=0x00;
  38   3                              display();
  39   3                              delay(500);
  40   3                      }
  41   2              }       
  42   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     99    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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