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// license:BSD-3-Clause
// copyright-holders:cam900
/**********************************************************************
NEC PC Engine/TurboGrafx-16 2 Button Joypad emulation
**********************************************************************/
#ifndef MAME_BUS_PCE_CTRL_JOYPAD2_H
#define MAME_BUS_PCE_CTRL_JOYPAD2_H
#pragma once
#include "machine/74157.h"
#include "pcectrl.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pce_joypad2_device
class pce_joypad2_device : public device_t,
public device_pce_control_port_interface
{
public:
// construction/destruction
pce_joypad2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// construction/destruction
pce_joypad2_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
// device_pce_control_port_interface overrides
virtual u8 peripheral_r() override;
virtual void sel_w(int state) override;
virtual void clr_w(int state) override;
// devices
required_device<ls157_device> m_muxer;
};
// ======================> pce_joypad2_turbo_device
class pce_joypad2_turbo_device : public pce_joypad2_device
{
public:
// construction/destruction
pce_joypad2_turbo_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
// device_pce_control_port_interface overrides
virtual void clr_w(int state) override;
private:
u8 buttons_r();
// IO ports
required_ioport m_buttons_io;
required_ioport m_turbo_io;
// internal states
u8 m_counter; // Turbo rate counter, connected on 74xx163 QB and QC.
bool m_prev_clr; // previous CLR pin state
};
// device type definition
DECLARE_DEVICE_TYPE(PCE_JOYPAD2, pce_joypad2_device)
DECLARE_DEVICE_TYPE(PCE_JOYPAD2_TURBO, pce_joypad2_turbo_device)
#endif // MAME_BUS_PCE_CTRL_JOYPAD2_H
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