Keil uVision5 报错

问题遇到的现象和发生背景

keil5 报错

用代码块功能插入代码，请勿粘贴截图

运行结果及报错内容

```Build started: Project: 025
Build target 'Target 1'
linking.
BL51 BANKED LINKER/LOCATER V6.22.2.0 - SN: Eval Version
COPYRIGHT ARM Germany GmbH 1987 - 2017
".\Objects\main.obj",
".\Objects\T6963.obj"
TO ".\Objects\025"
PRINT(".\Listings\025.m51")
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_DELAY_MS?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?LCD_CGROM_LIST?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWTXTNUM?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWTXTSTRING?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWNUM16?T6963

---

• RESTRICTED VERSION WITH 0800H BYTE CODE SIZE LIMIT; USED: 0ED5H BYTE (185%) *

---

Program Size: data=87.0 xdata=0 code=4495
LINK/LOCATE RUN COMPLETE. 5 WARNING(S), 0 ERROR(S)
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_DELAY_MS?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?LCD_CGROM_LIST?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWTXTNUM?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWTXTSTRING?T6963
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?_LCD_SHOWNUM16?T6963
*** FATAL ERROR L250: CODE SIZE LIMIT IN RESTRICTED VERSION EXCEEDED
MODULE: D:\ARM\C51\LIB\C51S.LIB (-----)
LIMIT: 0800H BYTES
Target not created.
Build Time Elapsed: 00:00:00

我想要达到的结果

RESTRICTED VERSION WITH 0800H BYTE CODE SIZE LIMIT
代码长度超过未注册版本的限制范围了。
至于怎么注册，我只能跟你说正规途径是购买授权，其它方法就不能在这里讲了
其它的都是WARNING,而且只是函数未被调用的警告，不是错误。