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// license:BSD-3-Clause
// copyright-holders:David Haywood
class taotaido_state : public driver_device
{
public:
taotaido_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_gfxdecode(*this, "gfxdecode"),
m_spr(*this, "vsystem_spr"),
m_spriteram(*this, "spriteram"),
m_spriteram2(*this, "spriteram2"),
m_scrollram(*this, "scrollram"),
m_bgram(*this, "bgram") { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<vsystem_spr_device> m_spr;
required_shared_ptr<UINT16> m_spriteram;
required_shared_ptr<UINT16> m_spriteram2;
required_shared_ptr<UINT16> m_scrollram;
required_shared_ptr<UINT16> m_bgram;
int m_pending_command;
UINT16 m_sprite_character_bank_select[8];
UINT16 m_video_bank_select[8];
tilemap_t *m_bg_tilemap;
std::unique_ptr<UINT16[]> m_spriteram_old;
std::unique_ptr<UINT16[]> m_spriteram_older;
std::unique_ptr<UINT16[]> m_spriteram2_old;
std::unique_ptr<UINT16[]> m_spriteram2_older;
DECLARE_READ16_MEMBER(pending_command_r);
DECLARE_WRITE16_MEMBER(sound_command_w);
DECLARE_WRITE8_MEMBER(pending_command_clear_w);
DECLARE_WRITE8_MEMBER(sh_bankswitch_w);
DECLARE_WRITE16_MEMBER(sprite_character_bank_select_w);
DECLARE_WRITE16_MEMBER(tileregs_w);
DECLARE_WRITE16_MEMBER(bgvideoram_w);
TILE_GET_INFO_MEMBER(bg_tile_info);
TILEMAP_MAPPER_MEMBER(tilemap_scan_rows);
virtual void machine_start() override;
virtual void video_start() override;
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof(screen_device &screen, bool state);
UINT32 tile_callback( UINT32 code );
};
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