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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/*********************************************************************
IQ151 cartridge slot emulation
*********************************************************************/
#include "emu.h"
#include "iq151.h"
#define LOG 0
/***************************************************************************
PARAMETERS
***************************************************************************/
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE(IQ151CART_SLOT, iq151cart_slot_device, "iq151cart_slot", "IQ151 cartridge slot")
//**************************************************************************
// IQ151 cartridge interface
//**************************************************************************
//-------------------------------------------------
// device_iq151cart_interface - constructor
//-------------------------------------------------
device_iq151cart_interface::device_iq151cart_interface(const machine_config &mconfig, device_t &device)
: device_interface(device, "iq151cart")
, m_screen(nullptr)
{
}
//-------------------------------------------------
// ~device_iq151cart_interface - destructor
//-------------------------------------------------
device_iq151cart_interface::~device_iq151cart_interface()
{
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// iq151cart_slot_device - constructor
//-------------------------------------------------
iq151cart_slot_device::iq151cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, IQ151CART_SLOT, tag, owner, clock)
, device_single_card_slot_interface<device_iq151cart_interface>(mconfig, *this)
, device_cartrom_image_interface(mconfig, *this)
, m_out_irq0_cb(*this)
, m_out_irq1_cb(*this)
, m_out_irq2_cb(*this)
, m_out_irq3_cb(*this)
, m_out_irq4_cb(*this)
, m_out_drq_cb(*this)
, m_cart(nullptr)
, m_screen(*this, finder_base::DUMMY_TAG)
{
}
//-------------------------------------------------
// iq151cart_slot_device - destructor
//-------------------------------------------------
iq151cart_slot_device::~iq151cart_slot_device()
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void iq151cart_slot_device::device_start()
{
m_cart = get_card_device();
if (m_cart)
m_cart->set_screen_device(*m_screen);
}
/*-------------------------------------------------
read
-------------------------------------------------*/
void iq151cart_slot_device::read(offs_t offset, uint8_t &data)
{
if (m_cart)
m_cart->read(offset, data);
}
/*-------------------------------------------------
write
-------------------------------------------------*/
void iq151cart_slot_device::write(offs_t offset, uint8_t data)
{
if (m_cart)
m_cart->write(offset, data);
}
/*-------------------------------------------------
IO read
-------------------------------------------------*/
void iq151cart_slot_device::io_read(offs_t offset, uint8_t &data)
{
if (m_cart)
m_cart->io_read(offset, data);
}
/*-------------------------------------------------
IO write
-------------------------------------------------*/
void iq151cart_slot_device::io_write(offs_t offset, uint8_t data)
{
if (m_cart)
m_cart->io_write(offset, data);
}
/*-------------------------------------------------
video update
-------------------------------------------------*/
void iq151cart_slot_device::video_update(bitmap_ind16 &bitmap, const rectangle &cliprect)
{
if (m_cart)
m_cart->video_update(bitmap, cliprect);
}
/*-------------------------------------------------
call load
-------------------------------------------------*/
std::pair<std::error_condition, std::string> iq151cart_slot_device::call_load()
{
if (m_cart)
{
uint8_t *const cart_base = m_cart->get_cart_base();
if (!cart_base)
return std::make_pair(image_error::INTERNAL, std::string());
offs_t read_length;
if (!loaded_through_softlist())
{
read_length = length();
fread(m_cart->get_cart_base(), read_length);
}
else
{
read_length = get_software_region_length("rom");
memcpy(m_cart->get_cart_base(), get_software_region("rom"), read_length);
}
}
return std::make_pair(std::error_condition(), std::string());
}
/*-------------------------------------------------
get default card software
-------------------------------------------------*/
std::string iq151cart_slot_device::get_default_card_software(get_default_card_software_hook &hook) const
{
return software_get_default_slot("basic6");
}
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