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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/*************************************************************************
Mosaic
*************************************************************************/
class mosaic_state : public driver_device
{
public:
mosaic_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_fgvideoram(*this, "fgvideoram"),
m_bgvideoram(*this, "bgvideoram") { }
/* devices */
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
/* memory pointers */
required_shared_ptr<UINT8> m_fgvideoram;
required_shared_ptr<UINT8> m_bgvideoram;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
/* misc */
int m_prot_val;
DECLARE_WRITE8_MEMBER(protection_w);
DECLARE_READ8_MEMBER(protection_r);
DECLARE_WRITE8_MEMBER(gfire2_protection_w);
DECLARE_READ8_MEMBER(gfire2_protection_r);
DECLARE_WRITE8_MEMBER(fgvideoram_w);
DECLARE_WRITE8_MEMBER(bgvideoram_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 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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