| Crisis for one or two players

| Use joystick one instead of player one's usual
| keys (ZX'/) and joystick two instead of player
| two's usual keys (1263).

|---------------------------------------------------

| Define movement keys for joystick one
Z         = left_1
X         = right_1
/         = down_1
'         = up_1
return    = fire_1

| Define movement keys for joystick two
num_1     = left_2
num_2     = right_2
num_3     = down_2
num_6     = up_2
num_+     = fire_2
