diff options
Diffstat (limited to 'src/devices/bus/pet/cass.c')
-rw-r--r-- | src/devices/bus/pet/cass.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/devices/bus/pet/cass.c b/src/devices/bus/pet/cass.c new file mode 100644 index 00000000000..f425478e5a2 --- /dev/null +++ b/src/devices/bus/pet/cass.c @@ -0,0 +1,99 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Commodore PET/VIC-20/C64/Plus-4 Datassette Port emulation + +**********************************************************************/ + +#include "cass.h" + + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type PET_DATASSETTE_PORT = &device_creator<pet_datassette_port_device>; + + + +//************************************************************************** +// 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<pet_datassette_port_device *>(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<device_pet_datassette_port_interface *>(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 |