theodore 2.0
- Add MO6 emulation.
- Add Olivetti Prodest PC128 emulation.
- Add compile-time flag (UNDOC_OPCODES=1) to enable emulation of some undocumented 6809 opcodes.
- Fix auto-detection of Thomson model always enabled.
- In model autodetect mode, use MO5 for "memo5" files and TO8 for "memo7" files if the name of the file does not include the name of the computer.
- Change mapping of "fire" button to "B" button.