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class lkage_state : public driver_device
{
public:
lkage_state(running_machine &machine, const driver_device_config_base &config)
: driver_device(machine, config) { }
UINT8 * scroll;
UINT8 * vreg;
UINT8 * videoram;
UINT8 * spriteram;
// UINT8 * paletteram; // currently this uses generic palette handling
/* video-related */
tilemap_t *bg_tilemap, *fg_tilemap, *tx_tilemap;
UINT8 bg_tile_bank, fg_tile_bank, tx_tile_bank;
int sprite_dx;
/* misc */
int sound_nmi_enable, pending_nmi;
/* mcu */
UINT8 from_main, from_mcu;
int mcu_sent, main_sent;
UINT8 port_a_in, port_a_out, ddr_a;
UINT8 port_b_in, port_b_out, ddr_b;
UINT8 port_c_in, port_c_out, ddr_c;
/* lkageb fake mcu */
UINT8 mcu_val;
int mcu_ready; /* cpu data/mcu ready status */
/* devices */
running_device *maincpu;
running_device *audiocpu;
running_device *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 );
VIDEO_UPDATE( lkage );
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