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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Miodrag Milanovic
/*********************************************************************
snapquik.cpp
Snapshots and quickloads
*********************************************************************/
#include "emu.h"
#include "snapquik.h"
#include "softlist_dev.h"
// device type definition
DEFINE_DEVICE_TYPE(SNAPSHOT, snapshot_image_device, "snapsot_image", "Snapshot")
//-------------------------------------------------
// snapshot_image_device - constructor
//-------------------------------------------------
snapshot_image_device::snapshot_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: snapshot_image_device(mconfig, SNAPSHOT, tag, owner, clock)
{
}
snapshot_image_device::snapshot_image_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, type, tag, owner, clock)
, device_image_interface(mconfig, *this)
, m_load(*this)
, m_file_extensions(nullptr)
, m_interface(nullptr)
, m_delay(attotime::zero)
, m_timer(nullptr)
{
}
//-------------------------------------------------
// snapshot_image_device - destructor
//-------------------------------------------------
snapshot_image_device::~snapshot_image_device()
{
}
/*-------------------------------------------------
TIMER_CALLBACK_MEMBER(process_snapshot_or_quickload)
-------------------------------------------------*/
TIMER_CALLBACK_MEMBER(snapshot_image_device::process_snapshot_or_quickload)
{
check_for_file();
/* invoke the load */
m_load(*this);
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void snapshot_image_device::device_start()
{
m_load.resolve();
/* allocate a timer */
m_timer = timer_alloc(FUNC(snapshot_image_device::process_snapshot_or_quickload), this);
}
/*-------------------------------------------------
call_load
-------------------------------------------------*/
image_init_result snapshot_image_device::call_load()
{
/* adjust the timer */
m_timer->adjust(m_delay, 0);
return image_init_result::PASS;
}
const software_list_loader &snapshot_image_device::get_software_list_loader() const
{
return image_software_list_loader::instance();
}
// device type definition
DEFINE_DEVICE_TYPE(QUICKLOAD, quickload_image_device, "quickload", "Quickload")
//-------------------------------------------------
// quickload_image_device - constructor
//-------------------------------------------------
quickload_image_device::quickload_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: snapshot_image_device(mconfig, QUICKLOAD, tag, owner, clock)
{
}
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