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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
**********************************************************************/
#ifndef MAME_BUS_PET_CASS_H
#define MAME_BUS_PET_CASS_H
#pragma once
//**************************************************************************
// CONSTANTS
//**************************************************************************
#define PET_DATASSETTE_PORT_TAG "tape"
#define PET_DATASSETTE_PORT2_TAG "tape2"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pet_datassette_port_device
class device_pet_datassette_port_interface;
class pet_datassette_port_device : public device_t, public device_single_card_slot_interface<device_pet_datassette_port_interface>
{
public:
template <typename T>
pet_datassette_port_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt)
: pet_datassette_port_device(mconfig, tag, owner, 0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
pet_datassette_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~pet_datassette_port_device();
// static configuration helpers
auto read_handler() { return m_read_handler.bind(); }
// computer interface
int read();
void write(int state);
int sense_r();
void motor_w(int state);
// device interface
void read_w(int state);
protected:
// device-level overrides
virtual void device_start() override;
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_interface
{
public:
// construction/destruction
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:
device_pet_datassette_port_interface(const machine_config &mconfig, device_t &device);
pet_datassette_port_device *m_slot;
};
// device type definition
DECLARE_DEVICE_TYPE(PET_DATASSETTE_PORT, pet_datassette_port_device)
void cbm_datassette_devices(device_slot_interface &device);
#endif // MAME_BUS_PET_CASS_H
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