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// license:BSD-3-Clause
// copyright-holders:Luca Elia
/*************************************************************************
American Speedway
*************************************************************************/
#include "sound/2151intf.h"
class amspdwy_state : public driver_device
{
public:
amspdwy_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_colorram(*this, "colorram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_ym2151(*this, "ymsnd"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette")
{ }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_colorram;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<ym2151_device> m_ym2151;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
/* video-related */
tilemap_t *m_bg_tilemap;
int m_flipscreen;
/* misc */
UINT8 m_wheel_old[2];
UINT8 m_wheel_return[2];
DECLARE_READ8_MEMBER(amspdwy_wheel_0_r);
DECLARE_READ8_MEMBER(amspdwy_wheel_1_r);
DECLARE_WRITE8_MEMBER(amspdwy_sound_w);
DECLARE_WRITE8_MEMBER(amspdwy_flipscreen_w);
DECLARE_WRITE8_MEMBER(amspdwy_videoram_w);
DECLARE_WRITE8_MEMBER(amspdwy_colorram_w);
DECLARE_READ8_MEMBER(amspdwy_sound_r);
TILE_GET_INFO_MEMBER(get_tile_info);
TILEMAP_MAPPER_MEMBER(tilemap_scan_cols_back);
UINT32 screen_update_amspdwy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
UINT8 amspdwy_wheel_r( int index );
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
};
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