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// license:BSD-3-Clause
// copyright-holders:
/***********************************************************************************************************************************

2017-10-29 Skeleton

Motorola AMPS Car Phone.

Nothing is really known about the hardware. The dump contains MC68HC11 code, but has no vector table. It seems likely that
whatever MCU type this uses boots from an internal ROM/PROM/EPROM but can also execute a large bankswitched external program.

************************************************************************************************************************************/

#include "emu.h"
#include "cpu/mc68hc11/mc68hc11.h"

class ampscarp_state : public driver_device
{
public:
	ampscarp_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
	{ }

	void ampscarp(machine_config &config);
	void mem_map(address_map &map);
private:
	required_device<cpu_device> m_maincpu;
};

void ampscarp_state::mem_map(address_map &map)
{
	map(0x0000, 0xffff).rom().region("maincpu", 0);
}

static INPUT_PORTS_START( ampscarp )
INPUT_PORTS_END

MACHINE_CONFIG_START(ampscarp_state::ampscarp)
	MCFG_DEVICE_ADD("maincpu", MC68HC11, 8'000'000) // type and clock unknown
	MCFG_DEVICE_PROGRAM_MAP(mem_map)
MACHINE_CONFIG_END

ROM_START( ampscarp )
	ROM_REGION( 0x20000, "maincpu", 0 )
	ROM_LOAD( "motorola_amps_car_phone_dump.bin", 0x0000, 0x20000, CRC(677ec85e) SHA1(219611b6c4b16461705e2df61d79a0f7ac8f529f) )
ROM_END

COMP( 1998, ampscarp, 0, 0, ampscarp, ampscarp, ampscarp_state, empty_init, "Motorola", "AMPS Car Phone", MACHINE_IS_SKELETON )