4-1.lst

一些单片机的连接还有它的运行程序

C51 COMPILER V6.20c  4_1                                                                   09/02/2001 14:37:04 PAGE 1   


C51 COMPILER V6.20c, COMPILATION OF MODULE 4_1
OBJECT MODULE PLACED IN 4-1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 4-1.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg51.h>
   2          #include<absacc.h>
   3          #define uchar unsigned char
   4          #define COM8255 XBYTE[0x007F]		//命令口地址
   5          #define PA8255 XBYTE[0x00FC]			//A口地址
   6          #define PC8255 XBYTE[0x00F]			//C口地址
   7          void printchar(uchar *p);
   8          
   9          void main(void)						//主函数
  10          {
  11   1       uchar idata chara[]="HELLO";			//测试用的字符串
  12   1       COM8255=0x8E;					//输出方式选择命令字
  13   1       printchar(chara);						//打印字符串
  14   1      }
  15          
  16          void printchar(uchar *p)				//打印字符串子函数
  17          {
  18   1       while(*p!='\0')
  19   1       {while((0x80&PC8255)!=0);			//查询等待打印机的BUSY状态
  20   2        PA8255=*p;						//输出字符
  21   2        COM8255=0x00;					//模拟STB脉冲
  22   2        COM8255=0x01;
  23   2        p++;
  24   2       }
  25   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     90    ----
   CONSTANT SIZE    =      6    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       3
   IDATA SIZE       =   ----       6
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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