- ESC=       - Keypad Application Mode
- ESC>       - Keypad Numberic    Mode
- ESC[?25h/l - Cursor on/off

- Implement TAB setting and deleting.

- Implement UNDERLINE/BOLD/ITALIC.
  Display BOLD characters only with black foreground.
  Remember that 'bold' is broken currently for defaults.

- check for other VT102 features
- complete documentation
- correct/test emulation so far

- switchable 80/132?
- Font/Color Configuration

- History Buffer
- Scrollbars

- Copy/Paste using mouse

- ...?
