// license:BSD-3-Clause
// copyright-holders:Allard van der Bas
class vastar_state : public driver_device
{
public:
vastar_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_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_bg1videoram(*this, "bg1videoram"),
m_bg2videoram(*this, "bg2videoram"),
m_fgvideoram(*this, "fgvideoram"),
m_sprite_priority(*this, "sprite_priority"),
m_sharedram(*this, "sharedram") { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_shared_ptr<uint8_t> m_bg1videoram;
required_shared_ptr<uint8_t> m_bg2videoram;
required_shared_ptr<uint8_t> m_fgvideoram;
required_shared_ptr<uint8_t> m_sprite_priority;
required_shared_ptr<uint8_t> m_sharedram;
// these are pointers into m_fgvideoram
uint8_t* m_bg1_scroll;
uint8_t* m_bg2_scroll;
uint8_t* m_spriteram1;
uint8_t* m_spriteram2;
uint8_t* m_spriteram3;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg1_tilemap;
tilemap_t *m_bg2_tilemap;
uint8_t m_nmi_mask;
DECLARE_WRITE_LINE_MEMBER(flip_screen_w);
DECLARE_WRITE_LINE_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(fgvideoram_w);
DECLARE_WRITE8_MEMBER(bg1videoram_w);
DECLARE_WRITE8_MEMBER(bg2videoram_w);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg1_tile_info);
TILE_GET_INFO_MEMBER(get_bg2_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap,const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_irq);
void vastar(machine_config &config);
void cpu2_map(address_map &map);
void cpu2_port_map(address_map &map);
void main_map(address_map &map);
void main_port_map(address_map &map);
};