Relevant Memory Addresses

Yes, you can use Cheat Engine to view this game's memory.

00440288 (2 byte)	Player 1 Chain Stop Time (stops gradual rising of stack while >0, increases when you combo and chain, drains when you are not chaining; 4 combo adds 120--2 seconds--and 2 chain adds 300--5 seconds)
0044028C (2 byte)	Player 1 Grace Stop Time (a separate timer that appears when the stack reaches the top of the screen and you're not chaining; if the timer reaches 1 when you're not chaining, you lose; the timer resets to 0 when the stack is lowered off the top of the screen)
00440340 (2 byte)	Player 2 Chain Stop Time
00440344 (2 byte)	Player 2 Grace Stop Time