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#ifndef _GAMEPOCK_H_
#define _GAMEPOCK_H_
typedef struct {
UINT8 enabled;
UINT8 start_page;
UINT8 address;
UINT8 y_inc;
UINT8 ram[256]; /* There are actually 50 x 4 x 8 bits. This just makes addressing easier. */
} HD44102CH;
class gamepock_state : public driver_device
{
public:
gamepock_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
virtual void machine_reset();
UINT8 m_port_a;
UINT8 m_port_b;
HD44102CH m_hd44102ch[3];
void hd44102ch_w( int which, int c_d, UINT8 data );
void hd44102ch_init( int which );
void lcd_update();
DECLARE_WRITE8_MEMBER( port_a_w );
DECLARE_READ8_MEMBER( port_b_r );
DECLARE_WRITE8_MEMBER( port_b_w );
DECLARE_READ8_MEMBER( port_c_r );
};
/*----------- defined in machine/gamepock.c -----------*/
SCREEN_UPDATE_IND16( gamepock );
int gamepock_io_callback( device_t *device, int ioline, int state );
#endif
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