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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************
Sega Saturn controller port emulation
**********************************************************************/
#ifndef MAME_BUS_SAT_CTRL_CTRL_H
#define MAME_BUS_SAT_CTRL_CTRL_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class saturn_control_port_device;
// ======================> device_saturn_control_port_interface
class device_saturn_control_port_interface : public device_interface
{
public:
// construction/destruction
virtual ~device_saturn_control_port_interface();
virtual uint16_t read_direct() { return 0; }
virtual uint8_t read_ctrl(uint8_t offset) { return 0; }
virtual uint8_t read_status() { return 0xf0; }
virtual uint8_t read_id(int idx) { return 0xff; }
protected:
device_saturn_control_port_interface(const machine_config &mconfig, device_t &device);
uint8_t m_ctrl_id;
saturn_control_port_device *m_port;
};
// ======================> saturn_control_port_device
class saturn_control_port_device : public device_t, public device_single_card_slot_interface<device_saturn_control_port_interface>
{
public:
// construction/destruction
template <typename T>
saturn_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, char const* dflt)
: saturn_control_port_device(mconfig, tag, owner, (uint32_t)0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
saturn_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~saturn_control_port_device();
uint16_t read_direct();
uint8_t read_ctrl(uint8_t offset);
uint8_t read_status();
uint8_t read_id(int idx);
// device-level overrides
virtual void device_start() override;
protected:
device_saturn_control_port_interface *m_device;
};
// device type definition
DECLARE_DEVICE_TYPE(SATURN_CONTROL_PORT, saturn_control_port_device)
void saturn_controls(device_slot_interface &device);
void saturn_joys(device_slot_interface &device);
#endif // MAME_BUS_SAT_CTRL_CTRL_H
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