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class lkage_state : public driver_device
{
public:
lkage_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT8 * m_scroll;
UINT8 * m_vreg;
UINT8 * m_videoram;
UINT8 * m_spriteram;
// UINT8 * m_paletteram; // currently this uses generic palette handling
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
tilemap_t *m_tx_tilemap;
UINT8 m_bg_tile_bank;
UINT8 m_fg_tile_bank;
UINT8 m_tx_tile_bank;
int m_sprite_dx;
/* misc */
int m_sound_nmi_enable;
int m_pending_nmi;
/* mcu */
UINT8 m_from_main;
UINT8 m_from_mcu;
int m_mcu_sent;
int m_main_sent;
UINT8 m_port_a_in;
UINT8 m_port_a_out;
UINT8 m_ddr_a;
UINT8 m_port_b_in;
UINT8 m_port_b_out;
UINT8 m_ddr_b;
UINT8 m_port_c_in;
UINT8 m_port_c_out;
UINT8 m_ddr_c;
/* lkageb fake mcu */
UINT8 m_mcu_val;
int m_mcu_ready; /* cpu data/mcu ready status */
/* devices */
device_t *m_maincpu;
device_t *m_audiocpu;
device_t *m_mcu;
};
/*----------- defined in machine/lkage.c -----------*/
READ8_HANDLER( lkage_68705_port_a_r );
WRITE8_HANDLER( lkage_68705_port_a_w );
READ8_HANDLER( lkage_68705_port_b_r );
WRITE8_HANDLER( lkage_68705_port_b_w );
READ8_HANDLER( lkage_68705_port_c_r );
WRITE8_HANDLER( lkage_68705_port_c_w );
WRITE8_HANDLER( lkage_68705_ddr_a_w );
WRITE8_HANDLER( lkage_68705_ddr_b_w );
WRITE8_HANDLER( lkage_68705_ddr_c_w );
WRITE8_HANDLER( lkage_mcu_w );
READ8_HANDLER( lkage_mcu_r );
READ8_HANDLER( lkage_mcu_status_r );
/*----------- defined in video/lkage.c -----------*/
WRITE8_HANDLER( lkage_videoram_w );
VIDEO_START( lkage );
SCREEN_UPDATE( lkage );
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