keil3单片机C编程*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
***WARNINGL1:UNRESOLVEDEXTERNALSYMBOLSYMBOL:AMODULE:Text1.obj(TEXT1)***WARNINGL2:REFE...
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: A MODULE: Text1.obj (TEXT1)*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 09FCH*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0A07H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0A12H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0A1DH*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0A28H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0A33H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0869H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0887H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 08A5H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 08C4H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 08E3H*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: A MODULE: Text1.obj (TEXT1) ADDRESS: 0903H
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找不到变量A？不要用A作为变量，搞个尽量能一眼看出来的变量名。
如果你想使用累加器，那在C中名字应当与REG51.H中的一样，一般是ACC
如果你想使用累加器，那在C中名字应当与REG51.H中的一样，一般是ACC
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