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/*************************************************************************
Atari Centipede hardware
*************************************************************************/
class centiped_state : public driver_device
{
public:
centiped_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT8 *m_videoram;
UINT8 m_oldpos[4];
UINT8 m_sign[4];
UINT8 m_dsw_select;
UINT8 m_control_select;
UINT8 *m_rambase;
UINT8 m_flipscreen;
UINT8 *m_bullsdrt_tiles_bankram;
tilemap_t *m_bg_tilemap;
UINT8 m_bullsdrt_sprites_bank;
UINT8 m_penmask[64];
UINT8 *m_spriteram;
};
/*----------- defined in video/centiped.c -----------*/
PALETTE_INIT( warlords );
VIDEO_START( centiped );
VIDEO_START( milliped );
VIDEO_START( warlords );
VIDEO_START( bullsdrt );
SCREEN_UPDATE( centiped );
SCREEN_UPDATE( milliped );
SCREEN_UPDATE( warlords );
SCREEN_UPDATE( bullsdrt );
WRITE8_HANDLER( centiped_paletteram_w );
WRITE8_HANDLER( milliped_paletteram_w );
WRITE8_HANDLER( centiped_videoram_w );
WRITE8_HANDLER( centiped_flip_screen_w );
WRITE8_HANDLER( bullsdrt_tilesbank_w );
WRITE8_HANDLER( bullsdrt_sprites_bank_w );
WRITE8_HANDLER( mazeinv_paletteram_w );
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