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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***********************************************************************************************************
Saturn ROM cart emulation
***********************************************************************************************************/
#include "emu.h"
#include "rom.h"
//-------------------------------------------------
// saturn_rom_device - constructor
//-------------------------------------------------
DEFINE_DEVICE_TYPE(SATURN_ROM, saturn_rom_device, "sat_rom", "Saturn ROM Carts")
saturn_rom_device::saturn_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, int cart_type)
: device_t(mconfig, type, tag, owner, clock)
, device_sat_cart_interface(mconfig, *this, cart_type)
{
}
saturn_rom_device::saturn_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: saturn_rom_device(mconfig, SATURN_ROM, tag, owner, clock, 0xff) // actually not clear if ROM carts have a type ID like DRAM/BRAM carts
{
}
//-------------------------------------------------
// mapper specific start/reset
//-------------------------------------------------
void saturn_rom_device::device_start()
{
}
void saturn_rom_device::device_reset()
{
}
/*-------------------------------------------------
mapper specific handlers
-------------------------------------------------*/
uint32_t saturn_rom_device::read_rom(offs_t offset)
{
return m_rom[offset & (m_rom_size/4 - 1)];
}
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