编译结果如下: Program ROM $000000 - $000003 $000004 ( 4) bytes Program ROM $000018 - $00001B $000004 ( 4) bytes Program ROM $000050 - $000055 $000006 ( 6) bytes Program ROM $000100 - $000105 $000006 ( 6) bytes Program ROM $000150 - $000159 $00000A ( 10) bytes $00001E ( 30) bytes total Program ROM