// license:BSD-3-Clause // copyright-holders:Fabio Priuli /*********************************************************************************************************** Emerson Arcadia 2001 cart emulation Golf carts have the "extra_rom" handler installed at $4000 instead of $2000 ***********************************************************************************************************/ #include "emu.h" #include "rom.h" //------------------------------------------------- // arcadia_rom_device - constructor //------------------------------------------------- DEFINE_DEVICE_TYPE(ARCADIA_ROM_STD, arcadia_rom_device, "arcadia_rom", "Emerson Arcadia Standard Carts") DEFINE_DEVICE_TYPE(ARCADIA_ROM_GOLF, arcadia_golf_device, "arcadia_golf", "Emerson Arcadia Golf Cart") arcadia_rom_device::arcadia_rom_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_arcadia_cart_interface(mconfig, *this) { } arcadia_rom_device::arcadia_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : arcadia_rom_device(mconfig, ARCADIA_ROM_STD, tag, owner, clock) { } arcadia_golf_device::arcadia_golf_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : arcadia_rom_device(mconfig, ARCADIA_ROM_GOLF, tag, owner, clock) { } /*------------------------------------------------- mapper specific handlers -------------------------------------------------*/ READ8_MEMBER(arcadia_rom_device::read_rom) { if (offset < m_rom_size) return m_rom[offset]; else return 0xff; } READ8_MEMBER(arcadia_rom_device::extra_rom) { if (offset + 0x1000 < m_rom_size) return m_rom[offset + 0x1000]; else return 0xff; }