mame/src/emu/dislot.c
2012-01-25 07:49:13 +00:00

58 lines
1.6 KiB
C

/***************************************************************************
Slot device
***************************************************************************/
#include "emu.h"
#include "emuopts.h"
device_slot_interface::device_slot_interface(const machine_config &mconfig, device_t &device)
: device_interface(device)
{
}
device_slot_interface::~device_slot_interface()
{
}
void device_slot_interface::static_set_slot_info(device_t &device, const slot_interface *slots_info, const char *default_card,const input_device_default *default_input)
{
device_slot_interface *slot;
if (!device.interface(slot))
throw emu_fatalerror("set_default_slot_card called on device '%s' with no slot interface", device.tag());
slot->m_slot_interfaces = slots_info;
slot->m_default_card = default_card;
slot->m_input_defaults = default_input;
}
device_t* device_slot_interface::get_card_device()
{
const char *subtag;
device_t *dev = NULL;
if (!device().mconfig().options().exists(device().tag())) {
subtag = m_default_card;
} else {
subtag = device().mconfig().options().value(device().tag());
}
if (subtag && strlen(subtag)>0) {
device_slot_card_interface *intf = NULL;
dev = device().subdevice(subtag);
if (dev!=NULL && !dev->interface(intf))
throw emu_fatalerror("get_card_device called for device '%s' with no slot card interface tag %s", dev->tag(),subtag);
}
return dev;
}
device_slot_card_interface::device_slot_card_interface(const machine_config &mconfig, device_t &device)
: device_interface(device)
{
}
device_slot_card_interface::~device_slot_card_interface()
{
}