// 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)]; }