2600 – emulator
Pause the emulator. If already paused it will step one video frame.
Toggle the emulator’s speedometer. It shows in the upper left, off-viewport corner, the ratio between the expected and observed time it took to draw 60 frames.
Toggle tracing of the emulator.
It uncaps the 60fps frame rate and lets emulation go as fast as possible.
Pause the emulator.
Exit the emulator.
Command line options:
Enable audio output.
Scale the screen to a given factor regardless of the window’s size.