Feel free to use this thread to post your findings of memory addresses within Panel de Pon. I will start with what I already had posted in my guide:

Addresses are based on BizHawk

000338 (1 byte) Stage Timer (seconds) 00037E (1 byte) Stage Timer (frames of second - 60 frames per second) 000418 (1 byte) flag for determining when opponent's screen should be shaking (0=no, 1=yes) 000420 (1 byte) counter for opponent's screen shaking 001860 (1 byte) Player 1's bottom-left tile 001960 (1 byte) Player 2's bottom-left tile 001A76 (4 bytes) RNG value 001A80 (1 byte) Player 2's CPU Speed 006D60 (2 bytes) Player 1's Stop Timer 006D62 (2 bytes) Player 2's Stop Timer 006D67 (1 byte) opponent's screen shake level