并行io端口扩充键盘.lst

基于Proteus的51系列单片机设计与仿真

C51 COMPILER V7.06   瞋__IO_丝诶___键盘                                                    05/15/2008 17:51:30 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 瞋__IO_丝诶___键盘
OBJECT MODULE PLACED IN 并行IO端口扩充键盘.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 并行IO端口扩充键盘.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include"reg51.h"
   2          #include"absacc.h"
   3          #define uchar unsigned char
   4          #define uint unsigned int
   5          void main(void)
   6          {
   7   1           uchar i;
   8   1      
   9   1            XBYTE[0xc000]=0x90;  //设置PA口为输入；PB口为输出；都工作在方式一
  10   1            
  11   1                   for(;;)
  12   1                         {
  13   2                                     i=XBYTE[0X0000];   // 采集键盘值，
  14   2                             XBYTE[0X4000]=i;   //把采集的键盘值送给PB口
  15   2                                      }
  16   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     17    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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