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// license:BSD-3-Clause
// copyright-holders:Luca Elia
/***************************************************************************
Blomby Car
***************************************************************************/
#include "video/gaelco_wrally_sprites.h"
#include "emupal.h"
#include "tilemap.h"
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_sprites(*this, "sprites"),
m_vram(*this, "vram_%u", 0U),
m_scroll(*this, "scroll_%u", 0U),
m_spriteram(*this, "spriteram"),
m_okibank(*this, "okibank"),
m_pot_wheel_io(*this, "POT_WHEEL"),
m_opt_wheel_io(*this, "OPT_WHEEL")
{
}
void watrball(machine_config &config);
void blmbycar(machine_config &config);
void init_blmbycar();
private:
/* devices */
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device<gaelco_wrally_sprites_device> m_sprites;
/* memory pointers */
required_shared_ptr_array<uint16_t, 2> m_vram;
required_shared_ptr_array<uint16_t, 2> m_scroll;
required_shared_ptr<uint16_t> m_spriteram;
required_memory_bank m_okibank;
optional_ioport m_pot_wheel_io;
optional_ioport m_opt_wheel_io;
/* video-related */
tilemap_t *m_tilemap[2]{};
/* input-related */
uint8_t m_pot_wheel = 0; // blmbycar
uint8_t m_old_val = 0; // blmbycar
int m_retvalue = 0; // waterball
// common
void okibank_w(uint8_t data);
template<int Layer> void vram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
// blmbycar
void blmbycar_pot_wheel_reset_w(uint8_t data);
void blmbycar_pot_wheel_shift_w(uint8_t data);
uint16_t blmbycar_pot_wheel_r();
uint16_t blmbycar_opt_wheel_r();
// waterball
uint16_t waterball_unk_r();
template<int Layer> TILE_GET_INFO_MEMBER(get_tile_info);
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 blmbycar_map(address_map &map);
void blmbycar_oki_map(address_map &map);
void common_map(address_map &map);
void watrball_map(address_map &map);
};
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