Keyboards:
==========

ESC	exit

Q:	player 1 up
Z:	player 1 down

Num-9:	player 2 up
Num-3:	player 2 down

SPACE:  Start ball in manual mode

F1	wide/half racquets
F2	normal/double speed
F3	20 or 20/40 defree angles
F4	sound on/off

F5	select game: tennis,hockey,one-wall, two-wall
F6	reset counters
F7	maunal/auto mode
F8	change colors (8 different config)

