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// license:GPL-2.0+
// copyright-holders:Dirk Best
/**********************************************************************
EPSON SIO port emulation
**********************************************************************/
#include "emu.h"
#include "epson_sio.h"
// supported devices
#include "pf10.h"
#include "tf20.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(EPSON_SIO, epson_sio_device, "epson_sio", "EPSON SIO port")
//**************************************************************************
// CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_epson_sio_interface - constructor
//-------------------------------------------------
device_epson_sio_interface::device_epson_sio_interface(const machine_config &mconfig, device_t &device) :
device_interface(device, "epsonsio")
{
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_t clock) :
device_t(mconfig, EPSON_SIO, tag, owner, clock),
device_single_card_slot_interface<device_epson_sio_interface>(mconfig, *this),
m_cart(nullptr),
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 = get_card_device();
m_write_rx.resolve_safe();
m_write_pin.resolve_safe();
}
WRITE_LINE_MEMBER( epson_sio_device::tx_w )
{
if (m_cart != nullptr)
m_cart->tx_w(state);
}
WRITE_LINE_MEMBER( epson_sio_device::pout_w )
{
if (m_cart != nullptr)
m_cart->pout_w(state);
}
//**************************************************************************
// SLOT INTERFACE
//**************************************************************************
void epson_sio_devices(device_slot_interface &device)
{
device.option_add("pf10", EPSON_PF10);
device.option_add("tf20", EPSON_TF20);
}
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