1.lst

LCD1602.rar

C51 COMPILER V7.00  1                                                                      09/14/2005 15:59:00 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          
   3          //定义通道地址；其中第零个为关闭所有通道，对应操作地址0，0x40-0x47为输出通道，对应于操作地址1-8；
   4          //0x80-0xb8为输出通道，对应操作地址9-16；
   5          unsigned char code add[] = { 0x00,0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x80,0x88,0x90,0x98,0xa0,0xa8,0x
             -b0,0xb8};
   6          
   7          //写函数
   8          //入口参数：out为输出数0x00-0xff，addr为通道地址1-8
   9          //出口参数：无
  10          void wr(char out,char addr)
  11                  {
  12   1              P1=add[addr];
  13   1              P0=out;
  14   1              P1=add[0];
  15   1              }
  16          //写函数结束
  17          
  18          //读函数
  19          //入口参数：addr为通道地址9-16
  20          //出口参数：通道外部输入值
  21          char rd(char addr)
  22                  {
  23   1              char temp;
  24   1              P1=add[addr];
  25   1              temp=P0;
  26   1              P1=add[0];
  27   1              return temp;
  28   1              }
  29          //读函数结束
  30          
  31          void main()
  32                  {
  33   1              wr(rd(9)+1,1);
  34   1              while(1)
  35   1              ;
  36   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     73    ----
   CONSTANT SIZE    =     17    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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