GRYZOR
------

Converted by Urusergi


Menu controls
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J1LEFT = 1 player game
J1RIGHT = 2 player game
J1B2 = Start game
Pause button = Ingame music on/off (128k only)


Ingame controls
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J1B1 = Fire
J1B2/J1UP = Jump up
J1DOWN = Jump down 
Pause button = Pause game (Pause button again to quit game, any other button to resume game)


Modifications for the GX4000 version
------------------------------------
    - Wait for fire to skip title screen
    - All keys remapped
    - Pokes : unlimited lives, invulnerability, keep gun on death
