// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore PET/VIC-20/C64/Plus-4 Datassette Port emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "cass.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** const device_type PET_DATASSETTE_PORT = &device_creator; //************************************************************************** // CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_pet_datassette_port_interface - constructor //------------------------------------------------- device_pet_datassette_port_interface::device_pet_datassette_port_interface(const machine_config &mconfig, device_t &device) : device_slot_card_interface(mconfig,device) { m_slot = dynamic_cast(device.owner()); } //------------------------------------------------- // ~device_pet_datassette_port_interface - destructor //------------------------------------------------- device_pet_datassette_port_interface::~device_pet_datassette_port_interface() { } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // pet_datassette_port_device - constructor //------------------------------------------------- pet_datassette_port_device::pet_datassette_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, PET_DATASSETTE_PORT, "Datassette Port", tag, owner, clock, "pet_datassette_port", __FILE__), device_slot_interface(mconfig, *this), m_read_handler(*this) { } //------------------------------------------------- // pet_datassette_port_device - destructor //------------------------------------------------- pet_datassette_port_device::~pet_datassette_port_device() { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void pet_datassette_port_device::device_start() { m_cart = dynamic_cast(get_card_device()); // resolve callbacks m_read_handler.resolve_safe(); } READ_LINE_MEMBER( pet_datassette_port_device::read ) { int state = 1; if (m_cart != NULL) state = m_cart->datassette_read(); return state; } WRITE_LINE_MEMBER( pet_datassette_port_device::write ) { if (m_cart != NULL) m_cart->datassette_write(state); } READ_LINE_MEMBER( pet_datassette_port_device::sense_r ) { int state = 1; if (m_cart != NULL) state = m_cart->datassette_sense(); return state; } WRITE_LINE_MEMBER( pet_datassette_port_device::motor_w ) { if (m_cart != NULL) m_cart->datassette_motor(state); } WRITE_LINE_MEMBER( pet_datassette_port_device::read_w ) { m_read_handler(state); } //------------------------------------------------- // SLOT_INTERFACE( cbm_datassette_devices ) //------------------------------------------------- SLOT_INTERFACE_START( cbm_datassette_devices ) SLOT_INTERFACE("c2n", C2N) SLOT_INTERFACE("c1530", C1530) SLOT_INTERFACE_END