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-- 
-- Arcade: Scramble port to MiST by Gehstock
-- 10 November 2017
-- 
-- Usage:
-- Create ROM and ARC files from MAME ROM zip files using the mra utility and the MRA files.
-- Copy the RBF and the ARC files to the same folder.
-- Example: mra -A -z /path/to/mame/roms scramble.mra
-- Copy the ROM files to the root of the SD Card.
--
-- MRA utilty: https://github.com/sebdel/mra-tools-c
--
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-- A simulation model of Scramble hardware
-- Copyright (c) MikeJ - Feb 2007
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-- 
-- Only controls and OSD are rotated on Video output.
-- 
-- 
-- Keyboard inputs :
--
--   ESC         : Coin
--   F2          : Start 2 players
--   F1          : Start 1 player
--   SPACE       : Fire+Bomb

--   UP,DOWN,LEFT,RIGHT arrows : Movements
--
-- Joystick support.
-- 
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