smgtime.lst

这是51单片机驱动键盘的源码。采用4*4矩阵键盘。

C51 COMPILER V8.05a   SMGTIME                                                              01/13/2009 12:24:19 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE SMGTIME
OBJECT MODULE PLACED IN .\smgtime.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ..\shumaguan\smgtime.c BROWSE DEBUG OBJECTEXTEND PRINT(.\smgtime.lst) OBJEC
                    -T(.\smgtime.obj)

line level    source

   1          #include<reg52.h>
   2          #define uint unsigned int 
   3          #define uchar unsigned char
   4          sbit    we1=P0^0;
   5          sbit    we2=P0^1;
   6          sbit    we3=P0^2;
   7          sbit  dula1=P0^4;
   8          sbit  dula2=P0^5;
   9          sbit  dula3=P0^6;
  10          sbit  dula4=P0^7;
  11          void delay(uint z);
  12          void main()
  13          {
  14   1      P0=0x11;
  15   1        delay(200);//00010001
  16   1         
  17   1      }
  18          void delay(uint z)
  19          {
  20   1       uint x,y;
  21   1          for(x=z;x>0;x--)
  22   1                 for(y=110;y>0;y--);
  23   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     40    ----
   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)