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/*************************************************************************
Pole Position hardware
*************************************************************************/
#include "devlegcy.h"
#include "sound/discrete.h"
class polepos_state : public driver_device
{
public:
polepos_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT8 m_steer_last;
UINT8 m_steer_delta;
INT16 m_steer_accum;
INT16 m_last_result;
INT8 m_last_signed;
UINT8 m_last_unsigned;
int m_adc_input;
int m_auto_start_mask;
UINT16 *m_view16_memory;
UINT16 *m_road16_memory;
UINT16 *m_alpha16_memory;
UINT16 *m_sprite16_memory;
UINT16 m_vertical_position_modifier[256];
UINT16 m_road16_vscroll;
tilemap_t *m_bg_tilemap;
tilemap_t *m_tx_tilemap;
int m_chacl;
UINT16 m_scroll;
};
/*----------- defined in audio/polepos.c -----------*/
DECLARE_LEGACY_SOUND_DEVICE(POLEPOS, polepos_sound);
WRITE8_DEVICE_HANDLER( polepos_engine_sound_lsb_w );
WRITE8_DEVICE_HANDLER( polepos_engine_sound_msb_w );
DISCRETE_SOUND_EXTERN( polepos );
/*----------- defined in video/polepos.c -----------*/
VIDEO_START( polepos );
PALETTE_INIT( polepos );
SCREEN_UPDATE( polepos );
WRITE16_HANDLER( polepos_view16_w );
WRITE16_HANDLER( polepos_road16_w );
WRITE16_HANDLER( polepos_alpha16_w );
WRITE16_HANDLER( polepos_sprite16_w );
WRITE8_HANDLER( polepos_view_w );
WRITE8_HANDLER( polepos_road_w );
WRITE8_HANDLER( polepos_alpha_w );
WRITE8_HANDLER( polepos_sprite_w );
WRITE8_HANDLER( polepos_chacl_w );
READ16_HANDLER( polepos_view16_r );
READ16_HANDLER( polepos_road16_r );
READ16_HANDLER( polepos_alpha16_r );
READ16_HANDLER( polepos_sprite16_r );
READ8_HANDLER( polepos_view_r );
READ8_HANDLER( polepos_road_r );
READ8_HANDLER( polepos_alpha_r );
READ8_HANDLER( polepos_sprite_r );
WRITE16_HANDLER( polepos_view16_hscroll_w );
WRITE16_HANDLER( polepos_road16_vscroll_w );
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