O. OBTAIN symbols
loads a symbol file into the symbol table. SOURCGEN automatically adds the extender SMB.
First, the address area and the size of the file are displayed.
If the file was saved in more than one segment (see S. SAVE symbols), the information on each segment will be displayed and must be confirmed with <Y> .
All old entries in the address area of the new symbols will be deleted.
can be ommited for drive 1.