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/*************************************************************************
World Grand Prix
*************************************************************************/
class wgp_state : public driver_device
{
public:
wgp_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT16 * m_spritemap;
UINT16 * m_spriteram;
UINT16 * m_pivram;
UINT16 * m_piv_ctrlram;
UINT16 * m_sharedram;
// UINT16 * m_paletteram; // currently this uses generic palette handling
size_t m_sharedram_size;
size_t m_spritemap_size;
size_t m_spriteram_size;
/* video-related */
tilemap_t *m_piv_tilemap[3];
UINT16 m_piv_ctrl_reg;
UINT16 m_piv_zoom[3];
UINT16 m_piv_scrollx[3];
UINT16 m_piv_scrolly[3];
UINT16 m_rotate_ctrl[8];
int m_piv_xoffs;
int m_piv_yoffs;
UINT8 m_dislayer[4];
/* misc */
UINT16 m_cpua_ctrl;
UINT16 m_port_sel;
INT32 m_banknum;
/* devices */
device_t *m_maincpu;
device_t *m_audiocpu;
device_t *m_subcpu;
device_t *m_tc0100scn;
device_t *m_tc0140syt;
};
/*----------- defined in video/wgp.c -----------*/
READ16_HANDLER ( wgp_pivram_word_r );
WRITE16_HANDLER( wgp_pivram_word_w );
READ16_HANDLER ( wgp_piv_ctrl_word_r );
WRITE16_HANDLER( wgp_piv_ctrl_word_w );
VIDEO_START( wgp );
VIDEO_START( wgp2 );
SCREEN_UPDATE( wgp );
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