// license:BSD-3-Clause
// copyright-holders:Luca Elia
/***************************************************************************
Blomby Car
***************************************************************************/
class blmbycar_state : public driver_device
{
public:
blmbycar_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_palette(*this, "palette"),
m_vram_1(*this, "vram_1"),
m_vram_0(*this, "vram_0"),
m_scroll_1(*this, "scroll_1"),
m_scroll_0(*this, "scroll_0"),
m_spriteram(*this, "spriteram") { }
/* devices */
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
/* memory pointers */
required_shared_ptr<uint16_t> m_vram_1;
required_shared_ptr<uint16_t> m_vram_0;
required_shared_ptr<uint16_t> m_scroll_1;
required_shared_ptr<uint16_t> m_scroll_0;
required_shared_ptr<uint16_t> m_spriteram;
/* video-related */
tilemap_t *m_tilemap_0;
tilemap_t *m_tilemap_1;
/* input-related */
uint8_t m_pot_wheel; // blmbycar
int m_old_val; // blmbycar
int m_retvalue; // waterball
// common
DECLARE_WRITE16_MEMBER(okibank_w);
DECLARE_WRITE16_MEMBER(vram_0_w);
DECLARE_WRITE16_MEMBER(vram_1_w);
// blmbycar
DECLARE_WRITE16_MEMBER(blmbycar_pot_wheel_reset_w);
DECLARE_WRITE16_MEMBER(blmbycar_pot_wheel_shift_w);
DECLARE_READ16_MEMBER(blmbycar_pot_wheel_r);
DECLARE_READ16_MEMBER(blmbycar_opt_wheel_r);
// waterball
DECLARE_READ16_MEMBER(waterball_unk_r);
TILE_GET_INFO_MEMBER(get_tile_info_0);
TILE_GET_INFO_MEMBER(get_tile_info_1);
void init_blmbycar();
virtual void video_start() override;
DECLARE_MACHINE_START(blmbycar);
DECLARE_MACHINE_RESET(blmbycar);
DECLARE_MACHINE_START(watrball);
DECLARE_MACHINE_RESET(watrball);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect );
void watrball(machine_config &config);
void blmbycar(machine_config &config);
void blmbycar_map(address_map &map);
void blmbycar_oki_map(address_map &map);
void common_map(address_map &map);
void watrball_map(address_map &map);
};