digitio.lst

51单片机用c语言实例 包括ad

C51 COMPILER V7.09   DIGITIO                                                               07/22/2005 15:01:32 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE DIGITIO
OBJECT MODULE PLACED IN DigitIO.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE DigitIO.c OPTIMIZE(0,SPEED) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /********************************************************/
   2          /*    文件名: DigitIO.C                                 */
   3          /*    功能描述: P1口高4位定义为输入，低4位定义为输出，  */
   4          /*              将高4位输入的值在低4位显示出来。        */
   5          /*              0: 灭; 1: 亮                            */
   6          /********************************************************/
   7          
   8          #include "SST89x5x4.H"
   9          
  10          void main(void)
  11          {
  12   1              unsigned char data i;
  13   1              while(1)
  14   1              {
  15   2                      P1 = P1 | 0xF0;
  16   2                      i = P1;
  17   2                      P1 = (i>>4)&0x0F;
  18   2              }
  19   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     20    ----
   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)