标签: 堆栈管理

ThePIC16C5Xhasastackwhichisonly2deep,and,asaresult,onlytwonestedcallscanbemade(i.e.,onlyonecallwithinacallroutine).Ifmorethantwolevelsofsubroutinenestingisrequired,thisapplicationnotecanbeusedtoimplementastackmanagertohandletheflowofthecalls.AN527SoftwareStackManagementAuthor:StanD’SouzaIMPLEMENTATIONMicrochipTechnologyInc.Thisapplicationnoteimplementsa5-deepstack,so5nestedcallscanbemadewithoutoverowingthestack.NCALLisdenedasaMACROwhichwillbeINTRODUCTIONusedinsteadofthemnemonicCALL,whenaThePIC16C5Xhasastackwhichisonly2deep,and,subroutinecallismade.……