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class tecmo_state : public driver_device
{
public:
tecmo_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_txvideoram(*this, "txvideoram"),
m_fgvideoram(*this, "fgvideoram"),
m_bgvideoram(*this, "bgvideoram"),
m_spriteram(*this, "spriteram"){ }
int m_adpcm_pos;
int m_adpcm_end;
int m_adpcm_data;
int m_video_type;
required_shared_ptr<UINT8> m_txvideoram;
required_shared_ptr<UINT8> m_fgvideoram;
required_shared_ptr<UINT8> m_bgvideoram;
tilemap_t *m_tx_tilemap;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
UINT8 m_fgscroll[3];
UINT8 m_bgscroll[3];
required_shared_ptr<UINT8> m_spriteram;
DECLARE_WRITE8_MEMBER(tecmo_bankswitch_w);
DECLARE_WRITE8_MEMBER(tecmo_sound_command_w);
DECLARE_WRITE8_MEMBER(tecmo_nmi_ack_w);
DECLARE_WRITE8_MEMBER(tecmo_adpcm_end_w);
DECLARE_READ8_MEMBER(tecmo_dswa_l_r);
DECLARE_READ8_MEMBER(tecmo_dswa_h_r);
DECLARE_READ8_MEMBER(tecmo_dswb_l_r);
DECLARE_READ8_MEMBER(tecmo_dswb_h_r);
DECLARE_WRITE8_MEMBER(tecmo_txvideoram_w);
DECLARE_WRITE8_MEMBER(tecmo_fgvideoram_w);
DECLARE_WRITE8_MEMBER(tecmo_bgvideoram_w);
DECLARE_WRITE8_MEMBER(tecmo_fgscroll_w);
DECLARE_WRITE8_MEMBER(tecmo_bgscroll_w);
DECLARE_WRITE8_MEMBER(tecmo_flipscreen_w);
DECLARE_WRITE8_MEMBER(tecmo_adpcm_start_w);
DECLARE_WRITE8_MEMBER(tecmo_adpcm_vol_w);
DECLARE_DRIVER_INIT(silkworm);
DECLARE_DRIVER_INIT(rygar);
DECLARE_DRIVER_INIT(backfirt);
DECLARE_DRIVER_INIT(gemini);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(gemini_get_bg_tile_info);
TILE_GET_INFO_MEMBER(gemini_get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_tx_tile_info);
DECLARE_MACHINE_RESET(rygar);
DECLARE_VIDEO_START(tecmo);
};
/*----------- defined in video/tecmo.c -----------*/
SCREEN_UPDATE_IND16( tecmo );
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