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// license:BSD-3-Clause
// copyright-holders:Lee Taylor
// thanks-to:John Clegg
/****************************************************************************
Irem M58 hardware
****************************************************************************/
class m58_state : public driver_device
{
public:
m58_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_screen(*this, "screen"),
m_palette(*this, "palette"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_scroll_x_low(*this, "scroll_x_low"),
m_scroll_x_high(*this, "scroll_x_high"),
m_scroll_y_low(*this, "scroll_y_low"),
m_score_panel_disabled(*this, "score_disable")
{ }
/* devices */
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_scroll_x_low;
required_shared_ptr<UINT8> m_scroll_x_high;
required_shared_ptr<UINT8> m_scroll_y_low;
required_shared_ptr<UINT8> m_score_panel_disabled;
/* video-related */
tilemap_t* m_bg_tilemap;
bitmap_ind16 m_scroll_panel_bitmap;
DECLARE_WRITE8_MEMBER(videoram_w);
DECLARE_WRITE8_MEMBER(scroll_panel_w);
DECLARE_WRITE8_MEMBER(flipscreen_w);
virtual void video_start() override;
DECLARE_PALETTE_INIT(m58);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILEMAP_MAPPER_MEMBER(tilemap_scan_rows);
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_panel( bitmap_ind16 &bitmap, const rectangle &cliprect );
};
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