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  --agbasm          enable all agbasm features except --agbasm-debug

  --agbasm-debug FILE
                    enable agbasm debug info. Outputs miscellaneous debugging print
                    statements to the specified file. ("printf debugging")

  --agbasm-colonless-labels
                    enable agbasm colonless labels. This allows defining labels
                    without a colon at the end if the label is in column
                    zero and ends with a newline (after optional whitespace).
                    If the label does not end with a newline, then an error is
                    thrown and the label is assumed to be a statement.

  --agbasm-colon-defined-global-labels
                    enable agbasm colon defined global labels. This allows setting
                    a label as global on definition by following the label name
                    with two colons, as opposed to one (e.g. `label::').

  --agbasm-local-labels
                    enable agbasm local labels. These are like dollar local
                    labels (as in they go out of scope when a non-local label
                    is defined), but are not limited to a number as the label
                    name. An agbasm local label is prefixed (and thus defined)
                    with `.'. Internally, an agbasm local label is actually
                    just a concatenation of the most recently defined
                    non-local label and the local label (including the prefix).
                    This gives us a safe way to canonicalize local label names
                    so that they can be exported for debug information. This
                    also means that local labels can be referenced outside
                    of their scope by using the canonicalized label name.
                    Note that agbasm local labels are NOT local symbols by
                    default.

  --agbasm-multiline-macros
                    enable agbasm multiline macros. This allows the use of
                    a macro to span across multiple lines, by placing a `['
                    after the macro name, and then placing a `]' once all
                    macro arguments have been defined, e.g.

                    my_macro [
                        arg_1=FOO,
                        arg_2=BAR
                    ]

                    The opening character (`[') must be defined before any
                    macro arguments are specified. Arguments can be defined
                    on the same line as the opening character with optional
                    whitespace in-between the opening character and the starting
                    argument, e.g.:

                    my_macro [arg_1=FOO,
                      arg_2=BAR
                    ]

                    The closing character (`]') can be defined in one of
                    two ways:
                    - After the last argument, a comma is placed (to indicate
                      the end of the argument), followed by optional whitespace
                      and then the closing character, e.g.:

                      my_macro [
                          FOO, ]

                    - On a single line by itself (supposedly after the last
                      argument has been defined) with no non-whitespace characters
                      before or after it, e.g.:

                      my_macro [
                          FOO
                      ]

                    Note that the first method **requires** a comma before the
                    closing character, while the second method does not require
                    the closing character. This is due to the inherent design
                    of how macro arguments are parsed, which may be explained
                    here in the future.

                    A comma should be inserted after the last argument for each
                    line (except as mentioned above in the second closing character
                    method), otherwise a warning is generated. It is
                    recommended to not ignore these warnings as they can
                    be an indicator of a missing closing character, as most
                    directives do not end with a comma.

  --agbasm-help     show this message and exit