cases, just give the name of your "main" file as first input file.
</itemize>
+The command line is parsed from left to right, and the actual processing tool
+(compiler, assembler, ...) is invoked whenever a file name is encountered.
+This means that only the options to the left of a file name are in effect when
+this file is processed. It does also mean that you're able to specify
+different options for different files on the command line. As an example.
+
+<tscreen><verb>
+ cl65 -Oirs main.c -O -g module.c
+</verb></tscreen>
+
+translates main.c with full optimization and module.c with less optimization
+and debug info enabled.
+
The type of an input file is derived from its extension:
<itemize>