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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************
Sega Master System "Light Phaser" (light gun) emulation
**********************************************************************/
#ifndef MAME_BUS_SMS_CTRL_LPHASER_H
#define MAME_BUS_SMS_CTRL_LPHASER_H
#pragma once
#include "smsctrl.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> sms_light_phaser_device
class sms_light_phaser_device : public device_t,
public device_sms_control_port_interface
{
public:
// construction/destruction
sms_light_phaser_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
DECLARE_READ_LINE_MEMBER( th_pin_r );
DECLARE_INPUT_CHANGED_MEMBER( position_changed );
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// device_sms_control_port_interface overrides
virtual uint8_t peripheral_r() override;
private:
required_ioport m_lphaser_pins;
required_ioport m_lphaser_x;
required_ioport m_lphaser_y;
int m_sensor_last_state;
emu_timer *m_lphaser_timer;
TIMER_CALLBACK_MEMBER(sensor_check);
int bright_aim_area(int lgun_x, int lgun_y );
uint16_t screen_hpos_nonscaled(int scaled_hpos);
uint16_t screen_vpos_nonscaled(int scaled_vpos);
};
// device type definition
DECLARE_DEVICE_TYPE(SMS_LIGHT_PHASER, sms_light_phaser_device)
#endif // MAME_BUS_SMS_CTRL_LPHASER_H
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