;仅供参考

;                                       路泽阳            

    while(1)  ////////////////////////////

      {      

            ADDRESS2=0x01;

            ADDRESS1=0x00;              

            for(i=0;i<14;i++)

              {

                save_char(ADDRESS1,ADDRESS2,SAVE_DATA);

              }   

            _NOP();  

            ADDRESS2=0x01;

            ADDRESS1=0x00;

            for(j=0;j<14;j++)

              {

                DISP_NUM[0][j]=get_char(ADDRESS1,ADDRESS2);

              }    

            _NOP(); 

      }

/////////write byte/////////////////////////////////////////////////////////////

  void save_char(char address1,char address2,char wbyte)

    {  

      P_LCM_CONOUT|=FM18L08_CEB;          //预充电

      P_ADDRESSHIGH_OUT&=~FM1808_WEB;     //写操作             

      P_ADDRESSLOW_OUT=address1;          //低8位地址

      P_ADDRESSHIGH_OUT=address2;         //高7位地址

      P_LCM_CONOUT&=~FM18L08_CEB;         //地址锁定

      P_DATA_DIR=0XFF;                    //DATA—BUS口线改为输出状态

      P_DATA_OUT=wbyte;                   //给出数据内容 

      P_LCM_CONOUT|=FM18L08_CEB;          //结束写操作

      P_ADDRESSHIGH_OUT|=FM1808_WEB;      //取消写状态

      ADDRESS1++;                         //地址递增

      if(ADDRESS1>0xff)

        {

          ADDRESS1=0x00;

          ADDRESS2++;

          if(ADDRESS2>0x7f)

            {

              ADDRESS2=0x00;

            }

        }     

      P_DATA_DIR=0XFF;                    //BUS口线为输出状态

      P_DATA_OUT=0XFF;                    //释放BUS总线

    }

///////read byte///////////////////////////////////////////////////////////////

  char get_char(char address1,char address2) 

    {

      char rbyte;

      P_ADDRESSHIGH_OUT|=FM1808_WEB;      //取消写状态

      P_LCM_CONOUT|=FM18L08_CEB;          //预充电

      P_ADDRESSLOW_OUT=address1;          //低8位地址

      P_ADDRESSHIGH_OUT=address2;         //高7位地址

      P_LCM_CONOUT&=~FM18L08_CEB;         //地址锁定

      P_LCM_CONOUT&=~FM18L08_OEB;         //读状态

      P_DATA_DIR=0X00;                    //DATA—BUS口线改为输入状态

      rbyte=P_DATA_IN;                    //读入数据内容 

      P_LCM_CONOUT|=FM18L08_CEB;          //结束读操作

      P_LCM_CONOUT|=FM18L08_OEB;          //取消读状态

      ADDRESS1++;                         //地址递增

      if(ADDRESS1>0xff)

        {

          ADDRESS1=0x00;

          ADDRESS2++;

          if(ADDRESS2>0x7f)

            {

              ADDRESS2=0x00;

            }

        }

      P_DATA_DIR=0XFF;               //BUS口线为输出状态

      P_DATA_OUT=0XFF;               //释放BUS总线

      return rbyte;                  //返回数据值

    }