123..lst

C51语言内嵌入汇编语句的程序实现

C51 COMPILER V8.05a   123_                                                                 07/12/2008 18:32:48 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE 123_
OBJECT MODULE PLACED IN 123..OBJ
COMPILER INVOKED BY: D:\Program Files\KEIL C51\C51\BIN\C51.EXE 123..c BROWSE DEBUG OBJECTEXTEND SRC(.\123..SRC)

line level    source

   1          #include <reg52.h>
   2          
   3          
   4          
   5          #define uchar unsigned char 
   6          #define uint unsigned int
   7          
   8          
   9          void delay1s(void)
  10          
  11          {
  12   1      
  13   1          #pragma asm
  14   1      
  15   1              delay:   mov  r2,#04h
  16   1              delay1:  mov  r3,#80h
  17   1              delay2:  mov  r4,#80h
  18   1                       djnz r4,$
  19   1                               djnz r3,delay2
  20   1                               djnz r2,delay1
  21   1      
  22   1              #pragma  endasm
  23   1      
  24   1      }
  25          
  26           
  27          
  28          
  29          main()
  30          {
  31   1          while(1){
  32   2                   uint i;
  33   2                       uchar num;
  34   2                   P1=0xff   ;
  35   2                       delay1s();
  36   2                       num=0xfe;
  37   2                       for(i=0;i<8;i++){                   
  38   3                               P1=num;
  39   3                               delay1s();
  40   3                               num=num<<1|num>>7;
  41   3                               }
  42   2              }
  43   1      
  44   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     80    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V8.05a   123_                                                                 07/12/2008 18:32:48 PAGE 2   


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