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

ribbit racing -- prog rom 27c512  @ u7
sound roms -----u7-u10 and u11-u14  = 27c512

IC positions look similar to Awesome Toss 'em
sound rom dumps weren't present even tho mentioned??

this appears to be the operators manual
http://ohwow-arcade.com/Assets/Game_Manuals/RIBBIT%20RACIN.PDF

*/

#include "emu.h"
#include "sound/okim6295.h"
#include "speaker.h"


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

	virtual void machine_start() override;
	virtual void machine_reset() override;

	void laz_ribrac(machine_config &config);
//  required_device<mcs51_cpu_device> m_maincpu;
};

static INPUT_PORTS_START( laz_ribrac )
INPUT_PORTS_END



void laz_ribrac_state::machine_start()
{
}

void laz_ribrac_state::machine_reset()
{
}


MACHINE_CONFIG_START(laz_ribrac_state::laz_ribrac)

	/* basic machine hardware */
//  MCFG_DEVICE_ADD("maincpu", ??, 8000000) // unknown
//  MCFG_DEVICE_PROGRAM_MAP(laz_ribrac_map)
//  MCFG_DEVICE_IO_MAP(laz_ribrac_io)

	/* sound hardware */
	SPEAKER(config, "mono").front_center();

	MCFG_DEVICE_ADD("oki", OKIM6295, 1000000, okim6295_device::PIN7_HIGH) // maybe
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END



ROM_START( ribrac )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "ribbitr.u7", 0x00000, 0x10000, CRC(9eb78ca3) SHA1(4fede7bdd30449602a01489dc72dbbd5452d6b5a) )

	ROM_REGION( 0xc0000, "oki", 0 )
	ROM_LOAD( "ribbitr_snd.u10", 0x00000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u9", 0x10000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u8", 0x20000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u7", 0x30000, 0x10000, NO_DUMP )

	ROM_REGION( 0xc0000, "oki2", 0 )
	ROM_LOAD( "ribbitr_snd.u14", 0x00000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u13", 0x10000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u12", 0x20000, 0x10000, NO_DUMP )
	ROM_LOAD( "ribbitr_snd.u11", 0x30000, 0x10000, NO_DUMP )
ROM_END

GAME( 1993, ribrac, 0, laz_ribrac, laz_ribrac, laz_ribrac_state, empty_init, ROT0, "Lazer-tron", "Ribbit Racing (Lazer-tron)", MACHINE_IS_SKELETON_MECHANICAL )