Game timing.
pins	roll()	currentFrame()	currentBall()	scorableFrame()	currentScore()	validGame()	gameOver()
-		1	1	0	0	true	false
0		1	2	0	0	true	false
0		2	1	1	0	true	false
0		2	2	1	0	true	false
0		3	1	2	0	true	false
0		3	2	2	0	true	false
0		4	1	3	0	true	false
0		4	2	3	0	true	false
0		5	1	4	0	true	false
0		5	2	4	0	true	false
0		6	1	5	0	true	false
0		6	2	5	0	true	false
0		7	1	6	0	true	false
0		7	2	6	0	true	false
0		8	1	7	0	true	false
0		8	2	7	0	true	false
0		9	1	8	0	true	false
0		9	2	8	0	true	false
0		10	1	9	0	true	false
0		10	2	9	0	true	false
0		10	0	10	0	true	true

Summary