The assembler understands the following command line options:
| Option | Description |
| -Dname=value | Define name to be value or -1 |
| -g | Generate debug information |
| -Idir | Add dir to the end of the user include search path |
| -Jdir | Add dir to the end of the system include search path |
| -o file | Write the object module to file |
| -Rc,name | Set default code section name to name |
| -Rd,name | Set default data section name to name |
| -Rk,name | Set default read-only constant section name to name |
| -Rv,name | Set default vector section name to name |
| -Rz,name | Set default zeroes data section name to name |
| -V | Display version information |
| -w | Suppress warning messages |
| -we | Treat warnings as errors |