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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore PET/VIC-20/C64/Plus-4 Datassette Port emulation
**********************************************************************
GND 1 A GND
+5V 2 B +5V
MOTOR 3 C MOTOR
READ 4 D READ
WRITE 5 E WRITE
SENSE 6 F SENSE
**********************************************************************/
#pragma once
#ifndef __PET_DATASSETTE_PORT__
#define __PET_DATASSETTE_PORT__
#include "emu.h"
//**************************************************************************
// CONSTANTS
//**************************************************************************
#define PET_DATASSETTE_PORT_TAG "tape"
#define PET_DATASSETTE_PORT2_TAG "tape2"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_PET_DATASSETTE_PORT_ADD(_tag, _slot_intf, _def_slot, _devcb) \
MCFG_DEVICE_ADD(_tag, PET_DATASSETTE_PORT, 0) \
MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \
devcb = &pet_datassette_port_device::set_read_handler(*device, DEVCB_##_devcb);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pet_datassette_port_device
class device_pet_datassette_port_interface;
class pet_datassette_port_device : public device_t,
public device_slot_interface
{
public:
// construction/destruction
pet_datassette_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~pet_datassette_port_device();
// static configuration helpers
template<class _Object> static devcb_base &set_read_handler(device_t &device, _Object object) { return downcast<pet_datassette_port_device &>(device).m_read_handler.set_callback(object); }
// computer interface
DECLARE_READ_LINE_MEMBER( read );
DECLARE_WRITE_LINE_MEMBER( write );
DECLARE_READ_LINE_MEMBER( sense_r );
DECLARE_WRITE_LINE_MEMBER( motor_w );
// device interface
DECLARE_WRITE_LINE_MEMBER( read_w );
protected:
// device-level overrides
virtual void device_start();
devcb_write_line m_read_handler;
device_pet_datassette_port_interface *m_cart;
};
// ======================> device_pet_datassette_port_interface
// class representing interface-specific live c64_expansion card
class device_pet_datassette_port_interface : public device_slot_card_interface
{
public:
// construction/destruction
device_pet_datassette_port_interface(const machine_config &mconfig, device_t &device);
virtual ~device_pet_datassette_port_interface();
virtual int datassette_read() { return 1; };
virtual void datassette_write(int state) { };
virtual int datassette_sense() { return 1; };
virtual void datassette_motor(int state) { };
protected:
pet_datassette_port_device *m_slot;
};
// device type definition
extern const device_type PET_DATASSETTE_PORT;
// slot devices
#include "c2n.h"
#include "diag264_lb_tape.h"
SLOT_INTERFACE_EXTERN( cbm_datassette_devices );
#endif
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