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/*************************************************************************

    Atari Skull & Crossbones hardware

*************************************************************************/

#include "machine/atarigen.h"

class skullxbo_state : public atarigen_state
{
public:
	skullxbo_state(const machine_config &mconfig, device_type type, const char *tag)
		: atarigen_state(mconfig, type, tag) { }
	DECLARE_WRITE16_MEMBER(skullxbo_halt_until_hblank_0_w);
	DECLARE_READ16_MEMBER(special_port1_r);
	DECLARE_WRITE16_MEMBER(skullxbo_mobwr_w);
	DECLARE_DRIVER_INIT(skullxbo);
	TILE_GET_INFO_MEMBER(get_alpha_tile_info);
	TILE_GET_INFO_MEMBER(get_playfield_tile_info);
	DECLARE_MACHINE_START(skullxbo);
	DECLARE_MACHINE_RESET(skullxbo);
	DECLARE_VIDEO_START(skullxbo);
};


/*----------- defined in video/skullxbo.c -----------*/

WRITE16_HANDLER( skullxbo_playfieldlatch_w );
WRITE16_HANDLER( skullxbo_xscroll_w );
WRITE16_HANDLER( skullxbo_yscroll_w );
WRITE16_HANDLER( skullxbo_mobmsb_w );


SCREEN_UPDATE_IND16( skullxbo );

void skullxbo_scanline_update(running_machine &machine, int param);