The options listed in the table below control the types of Assembler messages that are generated.
| Option | Description |
|---|---|
| AE | Check address expressions for appropriate arithmetic operations. For example, this checks that only valid add or subtract operations are performed on address terms. (default reset NO) |
| MSW | Issue a warning on memory space incompatibilities. (default reset NO) |
| UR | Generate a warning at assembly time for each unresolved external reference. This option works only in relocatable mode. (default NO) |
| W | Print all warning messages. (default reset NO) |