cs9-3.lst

手把手教你学单片机里面的程序

C51 COMPILER V7.06   CS9_3                                                                 01/07/2007 12:58:38 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE CS9_3
OBJECT MODULE PLACED IN CS9-3.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE CS9-3.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <REG51.H>              
   2          #define uchar unsigned char     
   3          #define uint unsigned int       
   4          sbit P3_2=P3^2;                 
   5          sbit P3_3=P3^3;                 
   6          uchar code SEG7[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   7          //===============================
   8          uchar data a=0,b=0,out;                 
   9          //----------------------------------
  10          uchar key_S1(void);             
  11          uchar key_S2(void);             
  12          void delay(uint k);                     
  13          //--------------------------------------
  14          void main(void)                 
  15          {                                               
  16   1              while(1)                                
  17   1              {                                       
  18   2              b= key_S1();                    
  19   2              a= key_S2();                    
  20   2              if((a==8)&&(b==5))out=1;        
  21   2              else out=0;                             
  22   2              P0= SEG7[a];                    
  23   2              P2=0xfd;                                
  24   2              delay(2);                               
  25   2              P0= SEG7[b];                    
  26   2              P2=0xfe;                                
  27   2              delay(2);                               
  28   2              if(out==1)P0= 0x73;     
  29   2              else P0=0x00;                   
  30   2              P2=0xf7;                                
  31   2              delay(2);                               
  32   2              }                                               
  33   1      }                                               
  34          //----------------------------------------
  35          void delay(uint k)                              
  36          {                                               
  37   1      uint i,j;                                       
  38   1      for(i=0;i<k;i++){                       
  39   2      for(j=0;j<121;j++)                              
  40   2      {;}}                                            
  41   1      }                                               
  42          //----------------------------------------
  43          uchar key_S1(void)                      
  44          {uchar data x;                          
  45   1      P3=0xff;                                        
  46   1      if(!P3_2)x=5;                           
  47   1      else x=0;                                       
  48   1      return x;                                               
  49   1      }                                                       
  50          //----------------------------------------
  51          uchar key_S2(void)                              
  52          {uchar data y;                          
  53   1      P3=0xff;                                        
  54   1      if(!P3_3)y=8;                           
  55   1      else y=0;                                       
C51 COMPILER V7.06   CS9_3                                                                 01/07/2007 12:58:38 PAGE 2   

  56   1      return y;                                       
  57   1      }                                               


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    139    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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