This chapter describes the TOS output module which can be
selected with the @option{-Ftos} option.

@section Legal

    This module is written in 2009-2014 by Frank Wille and
    is covered by the vasm copyright without modifications.

@section Additional options for this module
 
@table @option
    @item -monst
        Write Devpac "MonST"-compatible symbols.
    @item -tos-flags=<flags>
        Sets the flags field in the TOS file header. Defaults to 0.
        Overwrites a TOS flags definition in the assembler source.
@end table

@section General

This module outputs the TOS executable file format, which is used
on Atari 16/32-bit computers with 68000 up to 68060 CPU. The symbol
table uses the DRI format.

@section Restrictions

@itemize @minus
@item All symbols must be defined, otherwise the generation of the executable
  fails. Unknown symbols are listed by vasm.
@item The only relocations allowed in this format are 32-bit absolute.
@end itemize
Those are restrictions of the output format, not of vasm.

@section Known Problems

    Some known problems of this module at the moment:

@itemize @minus
@item None.
@end itemize

@section Error Messages

This module has the following error messages:

@itemize @minus
@item 3004: section attributes <attr> not supported
@item 3005: reloc type %d, size %d, mask 0x%lx (symbol %s + 0x%lx) not supported
@item 3006: reloc type %d not supported
@item 3007: undefined symbol <%s>
@item 3008: output module doesn't allow multiple sections of the same type
@item 3010: section <%s>: alignment padding (%lu) not a multiple of %lu at 0x%llx
@item 3011: weak symbol <%s> not supported by output format, treating as global
@end itemize