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/**********************************************************************
Sega Master System controller port emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "machine/smsctrl.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
const device_type SMS_CONTROL_PORT = &device_creator<sms_control_port_device>;
//**************************************************************************
// CARD INTERFACE
//**************************************************************************
//-------------------------------------------------
// device_sms_control_port_interface - constructor
//-------------------------------------------------
device_sms_control_port_interface::device_sms_control_port_interface(const machine_config &mconfig, device_t &device)
: device_slot_card_interface(mconfig,device)
{
m_port = dynamic_cast<sms_control_port_device *>(device.owner());
}
//-------------------------------------------------
// ~device_sms_control_port_interface - destructor
//-------------------------------------------------
device_sms_control_port_interface::~device_sms_control_port_interface()
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// sms_control_port_device - constructor
//-------------------------------------------------
sms_control_port_device::sms_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, SMS_CONTROL_PORT, "Sega SMS control port", tag, owner, clock, "sms_control_port", __FILE__),
device_slot_interface(mconfig, *this),
m_th_pin_handler(*this),
m_pixel_handler(*this)
{
}
//-------------------------------------------------
// sms_control_port_device - destructor
//-------------------------------------------------
sms_control_port_device::~sms_control_port_device()
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void sms_control_port_device::device_start()
{
m_device = dynamic_cast<device_sms_control_port_interface *>(get_card_device());
m_th_pin_handler.resolve_safe();
m_pixel_handler.resolve_safe(0);
}
UINT8 sms_control_port_device::port_r()
{
UINT8 data = 0xff;
if (m_device)
data = m_device->peripheral_r();
return data;
}
void sms_control_port_device::port_w( UINT8 data )
{
if (m_device)
m_device->peripheral_w(data);
}
void sms_control_port_device::th_pin_w(int state)
{
m_th_pin_handler(state);
}
UINT32 sms_control_port_device::pixel_r()
{
return m_pixel_handler();
}
//-------------------------------------------------
// SLOT_INTERFACE( sms_control_port_devices )
//-------------------------------------------------
SLOT_INTERFACE_START( sms_control_port_devices )
SLOT_INTERFACE("joypad", SMS_JOYPAD)
SLOT_INTERFACE("lphaser", SMS_LIGHT_PHASER)
SLOT_INTERFACE("paddle", SMS_PADDLE)
SLOT_INTERFACE("sportspad", SMS_SPORTS_PAD)
SLOT_INTERFACE("rapidfire", SMS_RAPID_FIRE)
SLOT_INTERFACE_END
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