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// license:BSD-3-Clause
/**********************************************************************
Atari CX22/CX80 Trak-Ball
**********************************************************************/
#ifndef MAME_BUS_VCS_CTRL_TRAKBALL_H
#define MAME_BUS_VCS_CTRL_TRAKBALL_H
#pragma once
#include "ctrl.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> atari_trakball_device
class atari_trakball_device : public device_t,
public device_vcs_control_port_interface
{
public:
// construction/destruction
atari_trakball_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
DECLARE_INPUT_CHANGED_MEMBER( trakball_moved );
protected:
// device_t implementation
virtual void device_start() override;
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
// device_vcs_control_port_interface overrides
virtual u8 vcs_joy_r() override;
private:
void trakball_pos_and_dir_upd(int axis);
required_ioport m_trakballb;
required_ioport_array<2> m_trakballxy;
uint32_t m_last_pos[2];
uint8_t m_last_direction[2];
};
// device type declaration
DECLARE_DEVICE_TYPE(ATARI_TRAKBALL, atari_trakball_device)
#endif // MAME_BUS_VCS_CTRL_TRAKBALL_H
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