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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
//-------------------------------------------------
const device_type ARCADIA_ROM_STD = &device_creator<arcadia_rom_device>;
const device_type ARCADIA_ROM_GOLF = &device_creator<arcadia_golf_device>;
arcadia_rom_device::arcadia_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
: device_t(mconfig, type, name, tag, owner, clock, shortname, source),
device_arcadia_cart_interface( mconfig, *this )
{
}
arcadia_rom_device::arcadia_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, ARCADIA_ROM_STD, "Emerson Arcadia Standard Carts", tag, owner, clock, "arcadia_rom", __FILE__),
device_arcadia_cart_interface( mconfig, *this )
{
}
arcadia_golf_device::arcadia_golf_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: arcadia_rom_device(mconfig, ARCADIA_ROM_GOLF, "Emerson Arcadia Golf Cart", tag, owner, clock, "arcadia_golf", __FILE__)
{
}
/*-------------------------------------------------
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;
}
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