This is all addresses I use for my TAS.
If you want to discuss about it, go to http://tasvideos.org/forum/viewtopic.php?t=6186
SystemID GB
0210 b s 0 WRAM "Velocity"
153A b u 0 WRAM keys
0007 b u 0 WRAM character
1536 b u 0 WRAM HP Asterix
1537 b u 0 WRAM HP Obelix