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/***************************************************************************
Track'n'Field
***************************************************************************/
class trackfld_state : public driver_device
{
public:
trackfld_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT8 * m_videoram;
UINT8 * m_colorram;
UINT8 * m_scroll;
UINT8 * m_scroll2;
UINT8 * m_spriteram;
UINT8 * m_spriteram2;
size_t m_spriteram_size;
/* video-related */
tilemap_t *m_bg_tilemap;
int m_bg_bank;
int m_sprite_bank1;
int m_sprite_bank2;
int m_old_gfx_bank; // needed by atlantol
int m_sprites_gfx_banked;
};
/*----------- defined in video/trackfld.c -----------*/
WRITE8_HANDLER( trackfld_videoram_w );
WRITE8_HANDLER( trackfld_colorram_w );
WRITE8_HANDLER( trackfld_flipscreen_w );
WRITE8_HANDLER( atlantol_gfxbank_w );
PALETTE_INIT( trackfld );
VIDEO_START( trackfld );
SCREEN_UPDATE( trackfld );
VIDEO_START( atlantol );
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