Made in BizHawk 1.6.1. Covers the X/Y coordinates of the player and both enemies, as well as the countdown times before and after each level.
Domain Main RAM
SystemID A26
22 b u 0 Main RAM Player X
23 b u 0 Main RAM Player Y
1B b u 0 Main RAM Enemy 1 X
1C b u 0 Main RAM Enemy 1 Y
35 b u 0 Main RAM Enemy 2 X
36 b u 0 Main RAM Enemy 2 Y
14 b u 0 Main RAM Countdown Before Level
15 b u 0 Main RAM Countdown After Level
[module:addresses|addrset=61] if you want.