diff options
Diffstat (limited to 'src/devices/bus/epson_sio/epson_sio.c')
-rw-r--r-- | src/devices/bus/epson_sio/epson_sio.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/devices/bus/epson_sio/epson_sio.c b/src/devices/bus/epson_sio/epson_sio.c new file mode 100644 index 00000000000..b281d076f82 --- /dev/null +++ b/src/devices/bus/epson_sio/epson_sio.c @@ -0,0 +1,115 @@ +// license:GPL-2.0+ +// copyright-holders:Dirk Best +/********************************************************************** + + EPSON SIO port emulation + +**********************************************************************/ + +#include "epson_sio.h" + +// supported devices +#include "pf10.h" +#include "tf20.h" + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type EPSON_SIO = &device_creator<epson_sio_device>; + + +//************************************************************************** +// CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_epson_sio_interface - constructor +//------------------------------------------------- + +device_epson_sio_interface::device_epson_sio_interface(const machine_config &mconfig, device_t &device) : + device_slot_card_interface(mconfig, device) +{ + m_slot = dynamic_cast<epson_sio_device *>(device.owner()); +} + + +//------------------------------------------------- +// ~device_epson_sio_interface - destructor +//------------------------------------------------- + +device_epson_sio_interface::~device_epson_sio_interface() +{ +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// epson_sio_device - constructor +//------------------------------------------------- + +epson_sio_device::epson_sio_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, EPSON_SIO, "EPSON SIO port", tag, owner, clock, "epson_sio", __FILE__), + device_slot_interface(mconfig, *this), + m_write_rx(*this), + m_write_pin(*this) +{ +} + + +//------------------------------------------------- +// epson_sio_device - destructor +//------------------------------------------------- + +epson_sio_device::~epson_sio_device() +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void epson_sio_device::device_start() +{ + m_cart = dynamic_cast<device_epson_sio_interface *>(get_card_device()); + + m_write_rx.resolve_safe(); + m_write_pin.resolve_safe(); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void epson_sio_device::device_reset() +{ +} + + +WRITE_LINE_MEMBER( epson_sio_device::tx_w ) +{ + if (m_cart != NULL) + m_cart->tx_w(state); +} + +WRITE_LINE_MEMBER( epson_sio_device::pout_w ) +{ + if (m_cart != NULL) + m_cart->pout_w(state); +} + + +//************************************************************************** +// SLOT INTERFACE +//************************************************************************** + +SLOT_INTERFACE_START( epson_sio_devices ) + SLOT_INTERFACE("pf10", EPSON_PF10) + SLOT_INTERFACE("tf20", EPSON_TF20) +SLOT_INTERFACE_END |