Emulator

What steps will reproduce the problem?
1.pressing the R trigger (both with pad or keyboard) in luigi's mansion
nothing happend
2.pressing the L trigger (both with pad or keyboard) in luigi's mansion
make start using the vacuum cleaner
3.

What is the expected output? What do you see instead?
expect:
1.pressing the R trigger (as in the option-->control menu of the game
happear) is the right button for the vacuum cleaner
2.pressing the L trigger is the button of "fire/water, etc..."

but:
1.R trigger-->nothing happend
2.L trigger-->use both vacuum cleaner and shoot "fire/water, etc.."at the
same time

What version of the product are you using? On what operating system?
DOLPHIN JIT R2902

Windows XP home SP3
E8600 3.3ghz
4gb corsair

Please provide any additional information below.