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/*************************************************************************
Gyruss
*************************************************************************/
#include "sound/discrete.h"
class gyruss_state : public driver_device
{
public:
gyruss_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "sub"),
m_audiocpu(*this, "audiocpu"),
m_audiocpu_2(*this, "audio2"),
m_discrete(*this, "discrete"),
m_colorram(*this, "colorram"),
m_videoram(*this, "videoram"),
m_flipscreen(*this, "flipscreen"),
m_spriteram(*this, "spriteram")
{ }
/* devices/memory pointers */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<cpu_device> m_audiocpu;
required_device<cpu_device> m_audiocpu_2;
required_device<discrete_device> m_discrete;
required_shared_ptr<UINT8> m_colorram;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_flipscreen;
required_shared_ptr<UINT8> m_spriteram;
tilemap_t *m_tilemap;
UINT8 m_master_nmi_mask;
UINT8 m_slave_irq_mask;
DECLARE_WRITE8_MEMBER(gyruss_irq_clear_w);
DECLARE_WRITE8_MEMBER(gyruss_sh_irqtrigger_w);
DECLARE_WRITE8_MEMBER(gyruss_i8039_irq_w);
DECLARE_WRITE8_MEMBER(master_nmi_mask_w);
DECLARE_WRITE8_MEMBER(slave_irq_mask_w);
DECLARE_WRITE8_MEMBER(gyruss_spriteram_w);
DECLARE_READ8_MEMBER(gyruss_scanline_r);
DECLARE_READ8_MEMBER(gyruss_portA_r);
DECLARE_WRITE8_MEMBER(gyruss_dac_w);
DECLARE_WRITE8_MEMBER(gyruss_filter0_w);
DECLARE_WRITE8_MEMBER(gyruss_filter1_w);
DECLARE_DRIVER_INIT(gyruss);
TILE_GET_INFO_MEMBER(gyruss_get_tile_info);
virtual void machine_start();
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_gyruss(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(master_vblank_irq);
INTERRUPT_GEN_MEMBER(slave_vblank_irq);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect, gfx_element **gfx );
};
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