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// 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, const XTAL &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, const XTAL &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, const XTAL &clock)
: arcadia_rom_device(mconfig, ARCADIA_ROM_GOLF, tag, owner, clock)
{
}
/*-------------------------------------------------
mapper specific handlers
-------------------------------------------------*/
uint8_t arcadia_rom_device::read_rom(offs_t offset)
{
if (offset < m_rom_size)
return m_rom[offset];
else
return 0xff;
}
uint8_t arcadia_rom_device::extra_rom(offs_t offset)
{
if (offset + 0x1000 < m_rom_size)
return m_rom[offset + 0x1000];
else
return 0xff;
}
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