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// license:BSD-3-Clause
// copyright-holders:David Haywood
class news_state : public driver_device
{
public:
news_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_bgram(*this, "bgram"),
m_fgram(*this, "fgram"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode") { }
/* memory pointers */
required_shared_ptr<uint8_t> m_bgram;
required_shared_ptr<uint8_t> m_fgram;
/* video-related */
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
int m_bgpic;
DECLARE_WRITE8_MEMBER(news_fgram_w);
DECLARE_WRITE8_MEMBER(news_bgram_w);
DECLARE_WRITE8_MEMBER(news_bgpic_w);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update_news(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
void news(machine_config &config);
void news_map(address_map &map);
};
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