3.1 Controller

• Buttons: A, B, X, Y, Start, D-pad (4 directions)
• Triggers: L, R
• Analog: Left stick (X, Y), Right stick (X, Y)
• Connection: Maple bus

3.2 Keyboard

• Type: Standard PC keyboard via Maple bus adapter
• Keys: 101/104 keys
• Connection: Maple bus
• Protocol: Standard keyboard protocol

3.3 VMU

• Buttons: A, B, D-pad (4 directions)
• Connection: Via controller or directly via Maple bus