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/*************************************************************************
American Speedway
*************************************************************************/
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"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_colorram;
// UINT8 * paletteram; // currently this uses generic palette handling
/* video-related */
tilemap_t *m_bg_tilemap;
int m_flipscreen;
/* misc */
UINT8 m_wheel_old[2];
UINT8 m_wheel_return[2];
/* devices */
cpu_device *m_audiocpu;
DECLARE_READ8_MEMBER(amspdwy_wheel_0_r);
DECLARE_READ8_MEMBER(amspdwy_wheel_1_r);
DECLARE_WRITE8_MEMBER(amspdwy_sound_w);
DECLARE_READ8_MEMBER(amspdwy_port_r);
DECLARE_WRITE8_MEMBER(amspdwy_paletteram_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);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
};
/*----------- defined in video/amspdwy.c -----------*/
SCREEN_UPDATE_IND16( amspdwy );
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