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/**********************************************************************
EPSON SIO port emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "epson_sio.h"
// supported devices
#include "machine/pf10.h"
#include "machine/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),
device_slot_interface(mconfig, *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());
}
//-------------------------------------------------
// 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);
}
READ_LINE_MEMBER( epson_sio_device::rx_r )
{
int state = 1;
if (m_cart != NULL)
state = m_cart->rx_r();
return state;
}
READ_LINE_MEMBER( epson_sio_device::pin_r )
{
int state = 1;
if (m_cart != NULL)
state = m_cart->pin_r();
return state;
}
//**************************************************************************
// SLOT INTERFACE
//**************************************************************************
SLOT_INTERFACE_START( epson_sio_devices )
SLOT_INTERFACE("pf10", EPSON_PF10)
SLOT_INTERFACE("tf20", EPSON_TF20)
SLOT_INTERFACE_END
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