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-- 
-- Arcade: ZigZag port to MiST by Gehstock
-- 20 December 2018
-- 
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-- A simulation model of Galaxian hardware
-- Copyright(c) 2004 Katsumi Degawa
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-- 
-- Only controls and OSD are rotated on Video output.
-- 
-- 
-- Keyboard inputs :
--
--   ESC        : Coin
--   F1         : Start 1 player
--   F2         : Start 2 player
--   SPACE 	: Fire
--   ARROW KEYS : Movements
--
-- Joystick support.
-- 
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Todo GFX Glitch