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#include "sound/dac.h"
#define HORZ_RES 32
#define VERT_RES 24
#define HORZ_CHR 8
#define VERT_CHR 10
#define VERT_FNT 8
#define HORZ_BAR 0x40
#define VERT_BAR 0x80
#define MARKER_ACTIVE_L 0x03
#define MARKER_ACTIVE_R 0x04
#define MARKER_VERT_R 0x0a
#define MARKER_HORZ_L 0x0b
#define MARKER_VERT_L 0x0c
#define MARKER_HORZ_R 0x0d
#define MARKER_HORZ_ADJ -1
#define MARKER_VERT_ADJ -10
class lazercmd_state : public driver_device
{
public:
lazercmd_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_videoram(*this, "videoram"){ }
/* device */
required_device<cpu_device> m_maincpu;
dac_device *m_dac;
/* memory pointers */
required_shared_ptr<UINT8> m_videoram;
/* video-related */
int m_marker_x;
int m_marker_y;
/* misc */
int m_timer_count;
int m_sense_state;
int m_dac_data;
DECLARE_WRITE8_MEMBER(lazercmd_ctrl_port_w);
DECLARE_READ8_MEMBER(lazercmd_ctrl_port_r);
DECLARE_WRITE8_MEMBER(lazercmd_data_port_w);
DECLARE_READ8_MEMBER(lazercmd_data_port_r);
DECLARE_WRITE8_MEMBER(lazercmd_hardware_w);
DECLARE_WRITE8_MEMBER(medlanes_hardware_w);
DECLARE_WRITE8_MEMBER(bbonk_hardware_w);
DECLARE_READ8_MEMBER(lazercmd_hardware_r);
DECLARE_DRIVER_INIT(lazercmd);
DECLARE_DRIVER_INIT(bbonk);
DECLARE_DRIVER_INIT(medlanes);
virtual void machine_start();
virtual void machine_reset();
virtual void palette_init();
UINT32 screen_update_lazercmd(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(lazercmd_timer);
TIMER_DEVICE_CALLBACK_MEMBER(bbonk_timer);
};
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