正在做一个LCM的实验，汇编源程序时出现以下问题，第一个好像说代码空间重叠，可是最开始源程序是这样的，
ORG 0000H ;LCM.ASM
AJMP MAI
ORG 0030H
MAI:MOV SP,#60H
应该没什么问题吧？
第二、三个警告看不懂。
谢谢了！
Build target 'Target 1'
assembling LCM2.asm...
linking...
*** WARNING L5: CODE SPACE MEMORY OVERLAP
FROM: 0000H
TO: 0002H
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
ADDRESS: 0145H
Program Size: data=9.0 xdata=0 code=330
creating hex file from "LCM2"...
"LCM2" - 0 Error(s), 3 Warning(s).
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