This game is also available on Saturn.
Apocalypse's Moves:
Forward Dash - Forward + All Three Punches
Hand Smash - DB + P
Back Dash - Back + All Three Punches
Drill - QCF + Fierce P
Power Wave - F, DF , D+P
Fireball - QCF + K
If The Above Code Doesn't Work For You, Try Triangle, Triangle, Right, And L1