If you simply want to play the 1 or 2 player modes then the 'normal'
setup with 2 controllers as as shown on the right is fine.
Dragon - The Bruce Lee Story also has a 3 Player Battle mode, this expects
a Multi-Tap to be connected on Port1 with 3 controllers as shown below.
|
Port 1 |
 |
Port 2 |
  |
 |
|
 |
Player 1 |
|
Player 2 |
|