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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
BBC Master Compact Mouse
**********************************************************************/
#ifndef MAME_BUS_BBC_JOYPORT_MOUSE_H
#define MAME_BUS_BBC_JOYPORT_MOUSE_H
#pragma once
#include "joyport.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> bbcmc_mouse_device
class bbcmc_mouse_device :
public device_t,
public device_bbc_joyport_interface
{
public:
// construction/destruction
bbcmc_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
virtual uint8_t pb_r() override;
TIMER_CALLBACK_MEMBER(update);
private:
required_ioport m_mouse_x;
required_ioport m_mouse_y;
required_ioport m_buttons;
// quadrature output
int m_xdir, m_ydir;
// internal quadrature state
int m_x, m_y;
int m_phase_x, m_phase_y;
emu_timer *m_mouse_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(BBCMC_MOUSE, bbcmc_mouse_device)
#endif // MAME_BUS_BBC_JOYPORT_MOUSE_H
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