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// license:BSD-3-Clause
// copyright-holders:Paul Leaman
/***************************************************************************
Battle Lane Vol. 5
***************************************************************************/
class battlane_state : public driver_device
{
public:
battlane_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_tileram(*this, "tileram"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "sub"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
/* memory pointers */
required_shared_ptr<UINT8> m_tileram;
required_shared_ptr<UINT8> m_spriteram;
/* video-related */
tilemap_t *m_bg_tilemap;
bitmap_ind8 m_screen_bitmap;
int m_video_ctrl;
int m_cpu_control; /* CPU interrupt control register */
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_subcpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
DECLARE_WRITE8_MEMBER(battlane_cpu_command_w);
DECLARE_WRITE8_MEMBER(battlane_palette_w);
DECLARE_WRITE8_MEMBER(battlane_scrollx_w);
DECLARE_WRITE8_MEMBER(battlane_scrolly_w);
DECLARE_WRITE8_MEMBER(battlane_tileram_w);
DECLARE_WRITE8_MEMBER(battlane_spriteram_w);
DECLARE_WRITE8_MEMBER(battlane_bitmap_w);
DECLARE_WRITE8_MEMBER(battlane_video_ctrl_w);
TILE_GET_INFO_MEMBER(get_tile_info_bg);
TILEMAP_MAPPER_MEMBER(battlane_tilemap_scan_rows_2x2);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
UINT32 screen_update_battlane(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(battlane_cpu1_interrupt);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_fg_bitmap( bitmap_ind16 &bitmap );
};
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