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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***********************************************************************************************************
SG-1000 Card Catcher emulation
Sega Card Catcher is a passthrough adapter for
SG-1000 to load games in MyCard format into the
main cartslot
***********************************************************************************************************/
#include "emu.h"
#include "ccatch.h"
//-------------------------------------------------
// constructors
//-------------------------------------------------
const device_type SEGA8_ROM_CARDCATCH = &device_creator<sega8_cardcatch_device>;
sega8_cardcatch_device::sega8_cardcatch_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock)
: sega8_rom_device(mconfig, SEGA8_ROM_CARDCATCH, "SG-1000 Card Catcher Cart", tag, owner, clock, "sega8_ccatch", __FILE__),
m_card(*this, "cardslot")
{
}
/*-------------------------------------------------
mapper specific handlers
-------------------------------------------------*/
READ8_MEMBER(sega8_cardcatch_device::read_cart)
{
if (offset < 0x8000)
return m_card->read_cart(space, offset);
return 0xff;
}
WRITE8_MEMBER(sega8_cardcatch_device::write_cart)
{
// this should never happen, because there is no RAM on cards
if (offset < 0x8000)
logerror("Attempt to write to MyCard\n");
}
static SLOT_INTERFACE_START(sg1000_card)
SLOT_INTERFACE_INTERNAL("rom", SEGA8_ROM_STD)
SLOT_INTERFACE_END
static MACHINE_CONFIG_FRAGMENT( sub_slot )
MCFG_SG1000_CARD_ADD("cardslot", sg1000_card, nullptr)
MACHINE_CONFIG_END
machine_config_constructor sega8_cardcatch_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( sub_slot );
}
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