Platform requirements

Required support

• Support option combo "No Scaling", "Square Pixels", "Pixel Doubling" in window mode, resulting in a window with 2x pixels, without smoothing.
• Support option combo "Max Scaling", "Correct Aspect", "Pixel Doubling" in fullscreen mode.
• Support Alt+Q to quit (Cmd+Q on macOS).
• FIXME: Support ?? to store a screenshot?
• FIXME: Support ?? to save state
• FIXME: Support ?? to load state
• Auto-configuration of gamepads/joysticks.

Recommended support

• Support simple bezel (left and right side only).

Optional

• Support bezels with partial or full overlay.