pic16f877a c语言时钟程序

            lcd_write_inst(time_secondl_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item = 0;
            lcd_write_inst(time_hourh_addr);
        }
    }

 }

 //    -------------------------------------------------------
 void set_alarm2(void)
 {
    if (adjust_item == 0)    //    set hourh
    {
        if (((AlarmTime2.hourl <4) & (KeyNew < 3)) | ((AlarmTime2.hourl >3) & (KeyNew <2)))
        {
            AlarmTime2.hourh = KeyNew;
            lcd_write_data(AlarmTime2.hourh + ’0’);    //    refresh hourh
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
        }
        else if(KeyNew == key_left)
        {
            adjust_item = 6;
            lcd_write_inst(time_secondl_addr+3);
        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_hourl_addr);
        }
    }
    else if (adjust_item == 1) //    set hourl
    {
        if (((AlarmTime2.hourh == 2) & (KeyNew < 4)) | ((AlarmTime2.hourh < 2) & (KeyNew <=9)))
        {
            AlarmTime2.hourl = KeyNew;
            lcd_write_data(AlarmTime2.hourl + ’0’);    //    refresh hourl
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
            lcd_write_inst(time_minuteh_addr);
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_hourh_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_minuteh_addr);
        }
    }
    else if (adjust_item == 2)    //    set minuteh
    {
        if (KeyNew <6)
        {
            AlarmTime2.minuteh = KeyNew;
            lcd_write_data(AlarmTime2.minuteh + ’0’);
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_hourl_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_minutel_addr);
        }
    }
    else if (adjust_item == 3)    //    set minutel
    {
        if ((KeyNew >=0) & (KeyNew <=9))
        {
            AlarmTime2.minutel = KeyNew;
            lcd_write_data(AlarmTime2.minutel + ’0’);
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
            lcd_write_inst(time_secondh_addr);
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_minuteh_addr);

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