Nintendo Sky Skipper port for MiSTer

Keyboard inputs :

   ESC         : Coin 1
   F1          : Start 1P
   F2          : Start 2P 
   UP,DOWN,LEFT,RIGHT arrows : Player 1
   LCtrl : Fire A
   LAlt  : Fire B


   MAME/IPAC/JPAC Style Keyboard inputs:
     5           : Coin 1
     6           : Coin 2
     1           : Start 1 Player
     2           : Start 2 Player
     R,F,D,G     : Player 2
     A           : Fire2 A
     S           : Fire2 B 
	
 Joystick support. 

Games

ROMs

                                *** Attention ***

ROMs are not included. In order to use this arcade, you need to provide the
correct ROMs.

To simplify the process .mra files are provided in the releases folder, that
specifies the required ROMs with checksums. The ROMs .zip filename refers to the
corresponding file of the M.A.M.E. project.

Please refer to https://github.com/MiSTer-devel/Main_MiSTer/wiki/Arcade-Roms for
information on how to setup and use the environment.

Quickreference for folders and file placement:

/_Arcade/<game name>.mra
/_Arcade/cores/<game rbf>.rbf
/_Arcade/mame/<mame rom>.zip
/_Arcade/hbmame/<hbmame rom>.zip

Launch game using the appropriate .MRA