Undefined symbols

If a label is neither defined in the source file nor declared external using XREF, the Assembler considers it to be undefined and generates an error message. The following listing shows an example of an undeclared label.

Listing: Example of an undeclared label


codeSec:  SECTION
entry:

    NOP

    BNE   entry

    NOP

    JMP   end

    JMP   label   ; <- Undeclared user-defined symbol: label

end:RTS

    END