lesson7.lst

单片机最简单程序 实现功能试一下便知道了

C51 COMPILER V6.12  LESSON7                                                                01/30/2007 10:29:15 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE LESSON7
OBJECT MODULE PLACED IN .\lesson7.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil\C51\BIN\C51.EXE .\lesson7.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          #define uchar unsigned char
   3          uchar a,flag;
   4          void main()
   5          {
   6   1      	TMOD=0x20;
   7   1      	TH1=0xfd;
   8   1      	TL1=0xfd;
   9   1      	TR1=1;
  10   1      	SM0=0;
  11   1      	SM1=1;
  12   1      	REN=1;
  13   1      	EA=1;
  14   1      	ES=1;
  15   1      	PCON=0x80;
  16   1      	while(1)
  17   1      	{
  18   2      		if(flag==1)
  19   2      		{
  20   3      			ES=0;
  21   3      			flag=0;
  22   3      			SBUF=a;
  23   3      			while(!TI);
  24   3      			TI=0;
  25   3      			ES=1;
  26   3      		}
  27   2      	}
  28   1      }
  29          
  30          void serial() interrupt 4
  31          {
  32   1      	P1=SBUF;
  33   1      	a=SBUF;
  34   1      	flag=1;
  35   1      	RI=0;
  36   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     58    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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