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path: root/src/mame/drivers/mrgame.cpp
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// license:BSD-3-Clause
// copyright-holders:Robbbert
/****************************************************************************************
PINBALL
Mr. Game (Zaccaria) 1B11188/0

These games have a M68000 and 3x Z80, and a M114 Sound IC.
They have a video screen upon which the scores and other info is displayed.

How to set up the machine (motor show, dakar, wcup90):
- These machines need to be loaded with default settings before they can accept coins
- Press NUM-0 key
- Press again until you see test 25 (Motor Show) or test 23 (Dakar)
- In the dipswitch menu turn off the Ram Protect switch
- Press Left shift and Right shift together (game stops responding)
- Turn the Ram Protect Switch back on
- Press F3 or reboot
- The default settings have been saved to nvram and you can insert coins


Status:
- Most games are playable. All games are multiball, here are the key codes:
                    Start Game                            End Ball
    Motor Show      Hold AS, hit 1, release keys          Hold A, hit X. release keys
    Dakar           Hold ASD, hit 1, release keys         Hold AS, hit X, release keys
    Mac Attack      Hold AS, hit 1, release keys          Hold AS, hit X, release keys
    World Cup 90    Hold ASX, hit 1, release keys. It's a timed game, you can't lose the ball.
- Balls indicates number of balls left, so 1 = last ball.

Fast Track:
- There's no video, however it can still be set up and played. Do these steps slowly,
    with several seconds between each one.
1. Start the game. Use the tab, dipswitch menu to turn the "Ram Protect" switch Off.
2. In the game, press NUM-0.
3. Press both shift keys together.
4. Use the Tab menu again to turn the "Ram Protect" back to On.
5. While still in the Dipswitch menu, choose Reset.
6. The setup has been saved, so to play in the future, start from here.
7. You can insert a coin (it will say Start Your Engines).
8. Follow the instructions for Motor Show (above), to start a game and play.

ToDo:
- macattck: score is difficult to read
- Video sprites missing in all games
- wcup90: one attract screen is corrupted
- wcup90: sounds seem bad
- fasttrack: rom missing, game not working
- Support for electronic volume control
- Most sounds missing due to unemulated M114 chip
- Mechanical sounds

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

#include "emu.h"
#include "machine/genpin.h"
#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "machine/74259.h"
#include "machine/i8255.h"
#include "machine/nvram.h"
#include "machine/timer.h"
//#include "machine/watchdog.h"
#include "sound/dac.h"
#include "sound/tms5220.h"
#include "video/resnet.h"

#include "emupal.h"
#include "screen.h"
#include "speaker.h"
#include "tilemap.h"


namespace {

class mrgame_state : public genpin_class
{
public:
	mrgame_state(const machine_config &mconfig, device_type type, const char *tag)
		: genpin_class(mconfig, type, tag)
		, m_palette(*this, "palette")
		, m_p_videoram(*this, "videoram")
		, m_p_objectram(*this, "objectram")
		, m_gfxdecode(*this, "gfxdecode")
		, m_maincpu(*this, "maincpu")
		, m_audiocpu1(*this, "audiocpu1")
		, m_audiocpu2(*this, "audiocpu2")
		, m_videocpu(*this, "videocpu")
		, m_selectlatch(*this, "selectlatch")
		, m_io_dsw0(*this, "DSW0")
		, m_io_dsw1(*this, "DSW1")
		, m_io_keyboard(*this, "X%d", 0U)
		, m_io_outputs(*this, "out%d", 0U)
	{ }

	void mrgame(machine_config &config);
	void macattck(machine_config &config);
	void wcup90(machine_config &config);

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

private:
	void mrgame_palette(palette_device &palette) const;
	u8 ack1_r();
	void ack2_w(u8 data);
	void portb_w(u8 data);
	void data_w(u8 data) { m_data = data; }
	void extadd_w(u8 data);
	void row_w(u8 data);
	void sound_w(u8 data);
	void triple_w(u8 data);
	void video_w(u8 data);
	void videoram_w(offs_t offset, u8 data);
	void videoattr_w(offs_t offset, u8 data);
	template <unsigned Bit> DECLARE_WRITE_LINE_MEMBER(video_bank_w);
	DECLARE_WRITE_LINE_MEMBER(intst_w);
	DECLARE_WRITE_LINE_MEMBER(nmi_intst_w);
	DECLARE_WRITE_LINE_MEMBER(flip_w);
	u8 col_r();
	u8 sound_r();
	u8 porta_r();
	u8 portc_r();
	u8 rsw_r();
	DECLARE_WRITE_LINE_MEMBER(vblank_int_w);
	DECLARE_WRITE_LINE_MEMBER(vblank_nmi_w);
	TIMER_DEVICE_CALLBACK_MEMBER(irq_timer);
	TILE_GET_INFO_MEMBER(get_tile_info);
	uint32_t screen_update_mrgame(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	void audio1_io(address_map &map);
	void audio1_map(address_map &map);
	void audio2_io(address_map &map);
	void audio2_map(address_map &map);
	void main_map(address_map &map);
	void video_map(address_map &map);
	void macattck_video_map(address_map &map);
	void macattck_audio1_map(address_map &map);
	void wcup90_audio2_map(address_map &map);

	required_device<palette_device> m_palette;
	required_shared_ptr<u8> m_p_videoram;
	required_shared_ptr<u8> m_p_objectram;
	required_device<gfxdecode_device> m_gfxdecode;

	required_device<m68000_device> m_maincpu;
	required_device<z80_device> m_audiocpu1;
	required_device<z80_device> m_audiocpu2;
	required_device<z80_device> m_videocpu;
	required_device<ls259_device> m_selectlatch;
	required_ioport m_io_dsw0;
	required_ioport m_io_dsw1;
	required_ioport_array<7> m_io_keyboard;
	output_finder<128> m_io_outputs; // 24 solenoids + 104 lamps

	bool m_ack1 = false;
	bool m_ack2 = false;
	bool m_ackv = false;
	bool m_flip = false;
	bool m_intst = false;
	u8 m_data = 0U;
	u8 m_sxx = 0U;
	u8 m_irq_state = 0U;
	u8 m_row = 0U;
	u8 m_sound_data = 0U;
	u8 m_gfx_bank = 0U;
	u8 m_video_data = 0U;
	u8 m_video_status = 0U;

	tilemap_t *m_tilemap = nullptr;
};


void mrgame_state::main_map(address_map &map)
{
	map(0x000000, 0x00ffff).rom();
	map(0x020000, 0x02ffff).ram().share("nvram");
	map(0x030001, 0x030001).r(FUNC(mrgame_state::rsw_r)); //RSW ACK
	map(0x030003, 0x030003).w(FUNC(mrgame_state::sound_w)); //W SOUND
	map(0x030004, 0x030004).w(FUNC(mrgame_state::video_w)); //W VID
	map(0x030007, 0x030007).w(FUNC(mrgame_state::triple_w)); //W CS
	map(0x030009, 0x030009).w(FUNC(mrgame_state::data_w)); //W DATA
	map(0x03000b, 0x03000b).w(FUNC(mrgame_state::row_w)); //W ROW
	map(0x03000d, 0x03000d).r(FUNC(mrgame_state::col_r)); //R COL
	map(0x03000f, 0x03000f).w(FUNC(mrgame_state::extadd_w)); //EXT ADD
}

void mrgame_state::video_map(address_map &map)
{
	map(0x0000, 0x3fff).rom().region("video", 0);
	map(0x4000, 0x47ff).ram();
	map(0x4800, 0x4bff).mirror(0x0400).ram().share(m_p_videoram).w(FUNC(mrgame_state::videoram_w));
	map(0x5000, 0x50ff).mirror(0x0700).ram().share(m_p_objectram);
	map(0x5000, 0x503f).mirror(0x0700).w(FUNC(mrgame_state::videoattr_w)); // only put this over the top of first 64 bytes
	map(0x6800, 0x6807).mirror(0x07f8).w(m_selectlatch, FUNC(ls259_device::write_d0));
	map(0x7000, 0x7000).mirror(0x07ff).nopr(); //AFR - watchdog reset
	map(0x8100, 0x8103).mirror(0x7efc).rw("ppi", FUNC(i8255_device::read), FUNC(i8255_device::write));
}

void mrgame_state::macattck_video_map(address_map &map)
{
	map(0x0000, 0x7fff).rom().region("video", 0);
	map(0x8000, 0x87ff).ram();
	map(0x8800, 0x8bff).mirror(0x0400).ram().share(m_p_videoram).w(FUNC(mrgame_state::videoram_w));
	map(0x9000, 0x90ff).mirror(0x0700).ram().share(m_p_objectram);
	map(0x9000, 0x903f).mirror(0x0700).w(FUNC(mrgame_state::videoattr_w)); // only put this over the top of first 64 bytes
	map(0xa800, 0xa807).mirror(0x07f8).w(m_selectlatch, FUNC(ls259_device::write_d0));
	map(0xb000, 0xb000).mirror(0x07ff).nopr(); //AFR - watchdog reset
	map(0xc000, 0xc003).mirror(0x3ffc).rw("ppi", FUNC(i8255_device::read), FUNC(i8255_device::write));
}

void mrgame_state::audio1_map(address_map &map)
{
	map(0x0000, 0xfbff).rom().region("audio1", 0);
	map(0xfc00, 0xfcff).ram().mirror(0x300); // 2x 2112
}

void mrgame_state::macattck_audio1_map(address_map &map)
{
	map(0x0000, 0xfbff).rom().region("audio1", 0);
	map(0xfc00, 0xffff).ram();  // 2x 2114
}

void mrgame_state::audio1_io(address_map &map)
{
	map.global_mask(3);
	map(0x0000, 0x0000).w("dacvol", FUNC(dac_byte_interface::data_w)); //DA1
	map(0x0001, 0x0001).r(FUNC(mrgame_state::sound_r)); //IN1
	map(0x0002, 0x0002).r(FUNC(mrgame_state::ack1_r)); //AKL1
	map(0x0003, 0x0003).nopw(); //SGS pass data to M114
}

void mrgame_state::audio2_map(address_map &map)
{
	map(0x0000, 0xfbff).rom().region("audio2", 0);
	map(0xfc00, 0xfcff).ram().mirror(0x300); // 2x 2112
}

void mrgame_state::wcup90_audio2_map(address_map &map)
{
	map.global_mask(0x7fff);
	map(0x0000, 0x7bff).rom().region("audio2", 0);
	map(0x7c00, 0x7fff).ram();   // no manual; assuming 2x 2114
}

void mrgame_state::audio2_io(address_map &map)
{
	map.global_mask(7);
	map(0x0000, 0x0000).w("ldac", FUNC(dac_byte_interface::data_w)); //DA2
	map(0x0001, 0x0001).r(FUNC(mrgame_state::sound_r)); //IN2
	map(0x0002, 0x0002).w(FUNC(mrgame_state::ack2_w)); //AKL2
	map(0x0003, 0x0003).rw("tms", FUNC(tms5220_device::status_r), FUNC(tms5220_device::data_w)); //Speech
	map(0x0004, 0x0004).w("rdac", FUNC(dac_byte_interface::data_w)); //DA3
}

static INPUT_PORTS_START( mrgame )
	PORT_START("DSW0")
	PORT_DIPNAME( 0x01, 0x00, "Ram Protect")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ))
	PORT_DIPSETTING(    0x00, DEF_STR( On ))
	PORT_DIPNAME( 0x0e, 0x0e, "Country")
	PORT_DIPSETTING(    0x00, "Italy 1")
	PORT_DIPSETTING(    0x02, "Italy")
	PORT_DIPSETTING(    0x04, "Great Britain")
	PORT_DIPSETTING(    0x06, "France")
	PORT_DIPSETTING(    0x08, "Germany")
	PORT_DIPSETTING(    0x0a, "Belgium")
	PORT_DIPSETTING(    0x0c, "Yugoslavia")
	PORT_DIPSETTING(    0x0e, "U.S.A.")
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("R. Flipper") PORT_CODE(KEYCODE_RSHIFT)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("L. Flipper") PORT_CODE(KEYCODE_LSHIFT)

	// These dips are only documented for Motor Show
	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x00, "Test Game")
	PORT_DIPSETTING(    0x01, "Connected")
	PORT_DIPSETTING(    0x00, "Disconnected")
	PORT_DIPNAME( 0x02, 0x02, "Dragster")
	PORT_DIPSETTING(    0x02, DEF_STR( Easy ))
	PORT_DIPSETTING(    0x00, DEF_STR( Hard ))
	PORT_DIPNAME( 0x04, 0x04, "F.1.")
	PORT_DIPSETTING(    0x04, DEF_STR( Easy ))
	PORT_DIPSETTING(    0x00, DEF_STR( Hard ))
	PORT_DIPNAME( 0x08, 0x08, "Motocross")
	PORT_DIPSETTING(    0x08, DEF_STR( Easy ))
	PORT_DIPSETTING(    0x00, DEF_STR( Hard ))

	PORT_START("X0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("Advance Test")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("Return Test")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_NAME("Slam Tilt")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("Credit Service")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("X1")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_NAME("Tilt")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("Factory Burn Test")
	PORT_BIT( 0xe9, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("X2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_X) PORT_NAME("INP16")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_A) PORT_NAME("INP17")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_S) PORT_NAME("INP18")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_D) PORT_NAME("INP19")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_Z) PORT_NAME("INP20")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_B) PORT_NAME("INP21")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_C) PORT_NAME("INP22")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_NAME("INP23")

	PORT_START("X3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_NAME("INP24")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_G) PORT_NAME("INP25")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_H) PORT_NAME("INP26")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_I) PORT_NAME("INP27")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_J) PORT_NAME("INP28")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_K) PORT_NAME("INP29")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_L) PORT_NAME("INP30")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_M) PORT_NAME("INP31")

	PORT_START("X4")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_N) PORT_NAME("INP32")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_O) PORT_NAME("INP33")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_P) PORT_NAME("INP34")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_Q) PORT_NAME("INP35")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_NAME("INP36")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_T) PORT_NAME("INP37")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_U) PORT_NAME("INP38")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_V) PORT_NAME("INP39")

	PORT_START("X5")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_W) PORT_NAME("INP40")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_Y) PORT_NAME("INP41")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_COMMA) PORT_NAME("INP42")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_STOP) PORT_NAME("INP43")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_SLASH) PORT_NAME("INP44")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_COLON) PORT_NAME("INP45")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_QUOTE) PORT_NAME("INP46")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_ENTER) PORT_NAME("INP47")

	PORT_START("X6")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_NAME("INP48")
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_NAME("INP49")
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_NAME("INP50")
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_MINUS) PORT_NAME("INP51")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_EQUALS) PORT_NAME("INP52")
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("INP53")
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_HOME) PORT_NAME("INP54")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_END) PORT_NAME("INP55")
INPUT_PORTS_END

u8 mrgame_state::rsw_r()
{
	return m_io_dsw0->read() | ((u8)m_ack1 << 5) | ((u8)m_ack2 << 4);
}

u8 mrgame_state::col_r()
{
	if (m_row < 7)
		return m_io_keyboard[m_row]->read();
	else
		return m_video_status;
}

void mrgame_state::row_w(u8 data)
{
	m_row = data & 7;
}

u8 mrgame_state::sound_r()
{
	return m_sound_data;
}

void mrgame_state::sound_w(u8 data)
{
	m_sound_data = data;
	m_audiocpu1->set_input_line(INPUT_LINE_NMI, BIT(data, 7) ? CLEAR_LINE : ASSERT_LINE);
	m_audiocpu2->set_input_line(INPUT_LINE_NMI, BIT(data, 7) ? CLEAR_LINE : ASSERT_LINE);
}

// this produces 24 outputs from three driver chips to drive lamps & solenoids
void mrgame_state::triple_w(u8 data)
{
	switch (data & 0x18)
	{
		case 0x00:
			m_ackv = BIT(data, 7);
			break;
		case 0x08:
			m_sxx = data & 7;
			break;
		case 0x10:
			m_sxx = 8U + (data & 7);
			break;
		default:
			break;
	}
}

void mrgame_state::extadd_w(u8 data)
{
	m_io_outputs[m_sxx*8+(data&7)] = m_data & 1;
}

void mrgame_state::video_w(u8 data)
{
	m_video_data = data;
}

void mrgame_state::videoram_w(offs_t offset, u8 data)
{
	m_p_videoram[offset] = data;
	m_tilemap->mark_tile_dirty(offset);
}

void mrgame_state::videoattr_w(offs_t offset, u8 data)
{
	m_p_objectram[offset] = data;
	if (BIT(offset, 0))
	{
		for (int y = 0; y < 32; y++)
			m_tilemap->mark_tile_dirty((y << 5) | (offset >> 1));
	}
	else
	{
		m_tilemap->set_scrolly(offset >> 1, data);
	}
}

template <unsigned Bit>
WRITE_LINE_MEMBER(mrgame_state::video_bank_w)
{
	m_gfx_bank &= 0x0f & ~(u8(1) << Bit);
	m_gfx_bank |= u8(state ? 1 : 0) << Bit;
	m_tilemap->mark_all_dirty();
}

WRITE_LINE_MEMBER(mrgame_state::intst_w)
{
	m_intst = state;
	if (!state)
		m_videocpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
}

WRITE_LINE_MEMBER(mrgame_state::nmi_intst_w)
{
	m_intst = state;
	if (!state)
		m_videocpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}

WRITE_LINE_MEMBER(mrgame_state::flip_w)
{
	m_flip = state;
	m_tilemap->mark_all_dirty();
}

u8 mrgame_state::ack1_r()
{
	m_ack1 = 1;  // this is weird
	return 0xff;
}

void mrgame_state::ack2_w(u8 data)
{
	m_ack2 = BIT(data, 0);
}

u8 mrgame_state::porta_r()
{
	return m_video_data;
}

void mrgame_state::portb_w(u8 data)
{
	m_video_status = data;
	m_ackv = 0;
}

u8 mrgame_state::portc_r()
{
	return m_io_dsw1->read() | (m_ackv ? 0x10 : 0);
}

void mrgame_state::machine_start()
{
	m_tilemap = &machine().tilemap().create(
			*m_gfxdecode,
			tilemap_get_info_delegate(*this, FUNC(mrgame_state::get_tile_info)), TILEMAP_SCAN_ROWS,
			8, 8, 32, 32);
	m_tilemap->set_scroll_cols(32);

	genpin_class::machine_start();

	m_io_outputs.resolve();

	save_item(NAME(m_ack1));
	save_item(NAME(m_ack2));
	save_item(NAME(m_ackv));
	save_item(NAME(m_flip));
	save_item(NAME(m_intst));
	save_item(NAME(m_irq_state));
	save_item(NAME(m_row));
	save_item(NAME(m_sxx));
	save_item(NAME(m_sound_data));
	save_item(NAME(m_gfx_bank));
	save_item(NAME(m_video_data));
	save_item(NAME(m_video_status));
}

void mrgame_state::machine_reset()
{
	genpin_class::machine_reset();
	for (u8 i = 0; i < m_io_outputs.size(); i++)
		m_io_outputs[i] = 0;

	m_sound_data = 0xff;
	m_irq_state = 0xff;
	m_video_data = 0;
	m_gfx_bank = 0;
	m_video_status = 0;
	m_ack1 = 0;
	m_ack2 = 0;
	m_ackv = 0;
	m_flip = 0;
	m_row = 0;
}

WRITE_LINE_MEMBER(mrgame_state::vblank_int_w)
{
	if (state && m_intst)
		m_videocpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
}

WRITE_LINE_MEMBER(mrgame_state::vblank_nmi_w)
{
	if (state && m_intst)
		m_videocpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
}

// This pulses the IRQ pins of both audio cpus. The schematic does not
//show which 4040 output is used, so we have guessed.
TIMER_DEVICE_CALLBACK_MEMBER(mrgame_state::irq_timer)
{
	m_irq_state++;
	// pulse_line of IRQ not allowed, so trying this instead
	if (m_irq_state == 254)
	{
		m_audiocpu1->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
		m_audiocpu2->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE);
	}
	else
	if (m_irq_state == 255)
	{
		m_audiocpu1->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
		m_audiocpu2->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
	}
}


static const gfx_layout charlayout_2bpp =
{
	8, 8,
	4096,
	2,
	{ 0x00000*8, 0x08000*8 },
	{ STEP8(0, 1) },
	{ STEP8(0, 8) },
	8*8
};

static const gfx_layout spritelayout_2bpp =
{
	16, 16,
	1024,
	2,
	{ 0x00000*8, 0x08000*8 },
	{ STEP8(0, 1), STEP8(64, 1) },
	{ STEP8(0, 8), STEP8(128, 8) },
	32*8
};

static GFXDECODE_START(gfx_2bpp)
	GFXDECODE_ENTRY("chargen", 0, charlayout_2bpp, 0, 16)
	GFXDECODE_ENTRY("chargen", 0, spritelayout_2bpp, 0, 16)
GFXDECODE_END


static const gfx_layout charlayout_5bpp
{
	8, 8,
	4096,
	5,
	{ 0x00000*8, 0x08000*8, 0x10000*8, 0x18000*8, 0x20000*8 },
	{ STEP8(0, 1) },
	{ STEP8(0, 8) },
	8*8
};

static const gfx_layout spritelayout_5bpp =
{
	16, 16,
	1024,
	5,
	{ 0x00000*8, 0x08000*8, 0x10000*8, 0x18000*8, 0x20000*8 },
	{ STEP8(0, 1), STEP8(64, 1) },
	{ STEP8(0, 8), STEP8(128, 8) },
	32*8
};

static GFXDECODE_START(gfx_5bpp)
	GFXDECODE_ENTRY("chargen", 0, charlayout_5bpp, 0, 1)
	GFXDECODE_ENTRY("chargen", 0, spritelayout_5bpp, 0, 1)
GFXDECODE_END


void mrgame_state::mrgame_palette(palette_device &palette) const
{
	static constexpr int resistances[3] = { 1000, 470, 220 };
	u8 const *const color_prom = memregion("proms")->base();

	// compute the color output resistor weights
	double rweights[3], gweights[3], bweights[2];
	compute_resistor_weights(0, 255, -1.0,
			3, &resistances[0], rweights, 0, 0,
			3, &resistances[0], gweights, 0, 0,
			2, &resistances[1], bweights, 0, 0);

	// create a lookup table for the palette
	for (u8 i = 0; i < 32; i++)
	{
		u8 bit0, bit1, bit2;

		// red component
		bit0 = BIT(color_prom[i], 0);
		bit1 = BIT(color_prom[i], 1);
		bit2 = BIT(color_prom[i], 2);
		u8 const r = combine_weights(rweights, bit0, bit1, bit2);

		// green component
		bit0 = BIT(color_prom[i], 3);
		bit1 = BIT(color_prom[i], 4);
		bit2 = BIT(color_prom[i], 5);
		u8 const g = combine_weights(gweights, bit0, bit1, bit2);

		// blue component
		bit0 = BIT(color_prom[i], 6);
		bit1 = BIT(color_prom[i], 7);
		u8 const b = combine_weights(bweights, bit0, bit1);

		palette.set_pen_color(i, rgb_t(r, g, b));
		palette.set_pen_color(i + 32, rgb_t(r, g, b));
	}
}

TILE_GET_INFO_MEMBER(mrgame_state::get_tile_info)
{
	tileinfo.set(
			0, m_p_videoram[tile_index] | (uint16_t(m_gfx_bank) << 8),
			m_p_objectram[((tile_index & 0x1f) << 1) | 1],
			m_flip ? TILEMAP_FLIPX : 0);
}

uint32_t mrgame_state::screen_update_mrgame(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	m_tilemap->draw(screen, bitmap, cliprect);

	return 0;
}

void mrgame_state::mrgame(machine_config &config)
{
	/* basic machine hardware */
	M68000(config, m_maincpu, 6_MHz_XTAL);
	m_maincpu->set_addrmap(AS_PROGRAM, &mrgame_state::main_map);
	m_maincpu->set_periodic_int(FUNC(mrgame_state::irq1_line_hold), attotime::from_hz(183));

	Z80(config, m_videocpu, 18.432_MHz_XTAL / 6);
	m_videocpu->set_addrmap(AS_PROGRAM, &mrgame_state::video_map);

	Z80(config, m_audiocpu1, 4_MHz_XTAL);
	m_audiocpu1->set_addrmap(AS_PROGRAM, &mrgame_state::audio1_map);
	m_audiocpu1->set_addrmap(AS_IO, &mrgame_state::audio1_io);

	Z80(config, m_audiocpu2, 4_MHz_XTAL);
	m_audiocpu2->set_addrmap(AS_PROGRAM, &mrgame_state::audio2_map);
	m_audiocpu2->set_addrmap(AS_IO, &mrgame_state::audio2_io);

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // 5564 (x2) + battery

	LS259(config, m_selectlatch); // 5B
	m_selectlatch->q_out_cb<0>().set(FUNC(mrgame_state::video_bank_w<0>));
	m_selectlatch->q_out_cb<1>().set(FUNC(mrgame_state::nmi_intst_w));
	m_selectlatch->q_out_cb<3>().set(FUNC(mrgame_state::video_bank_w<1>));
	m_selectlatch->q_out_cb<4>().set(FUNC(mrgame_state::video_bank_w<2>));
	m_selectlatch->q_out_cb<6>().set(FUNC(mrgame_state::flip_w));

	//watchdog_timer_device &watchdog(WATCHDOG_TIMER(config, "watchdog")); // LS393 at 5D (video board) driven by VBLANK
	//watchdog.set_vblank_count("screen", 8);

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_raw(18.432_MHz_XTAL / 3, 384, 0, 256, 264, 8, 248); // If you align with X on test screen some info is chopped off
	screen.set_screen_update(FUNC(mrgame_state::screen_update_mrgame));
	screen.set_palette(m_palette);
	screen.screen_vblank().set(FUNC(mrgame_state::vblank_nmi_w));

	PALETTE(config, m_palette, FUNC(mrgame_state::mrgame_palette), 64);

	GFXDECODE(config, m_gfxdecode, m_palette, gfx_2bpp);

	/* Sound */
	genpin_audio(config);
	SPEAKER(config, "lspeaker").front_left();
	SPEAKER(config, "rspeaker").front_right();
	DAC_8BIT_R2R(config, "ldac", 0).add_route(ALL_OUTPUTS, "lspeaker", 0.25); // unknown DAC
	DAC_8BIT_R2R(config, "rdac", 0).add_route(ALL_OUTPUTS, "rspeaker", 0.25); // unknown DAC

	dac_8bit_r2r_device &dacvol(DAC_8BIT_R2R(config, "dacvol", 0));
	dacvol.set_output_range(0, 1); // unknown DAC
	dacvol.add_route(0, "ldac", 1.0, DAC_INPUT_RANGE_HI);
	dacvol.add_route(0, "ldac", -1.0, DAC_INPUT_RANGE_LO);
	dacvol.add_route(0, "rdac", 1.0, DAC_INPUT_RANGE_HI);
	dacvol.add_route(0, "rdac", -1.0, DAC_INPUT_RANGE_LO);

	tms5220_device &tms(TMS5220(config, "tms", 672000)); // uses a RC combination. 672k copied from jedi.h
	tms.ready_cb().set_inputline("audiocpu2", Z80_INPUT_LINE_BOGUSWAIT);
	tms.add_route(ALL_OUTPUTS, "lspeaker", 1.0);
	tms.add_route(ALL_OUTPUTS, "rspeaker", 1.0);

	/* Devices */
	TIMER(config, "irq_timer").configure_periodic(FUNC(mrgame_state::irq_timer), attotime::from_hz(16000)); //ugh

	i8255_device &ppi(I8255A(config, "ppi"));
	ppi.in_pa_callback().set(FUNC(mrgame_state::porta_r));
	ppi.out_pb_callback().set(FUNC(mrgame_state::portb_w));
	ppi.in_pc_callback().set(FUNC(mrgame_state::portc_r));
}

void mrgame_state::macattck(machine_config &config)
{
	mrgame(config);

	m_videocpu->set_addrmap(AS_PROGRAM, &mrgame_state::macattck_video_map);
	m_audiocpu1->set_addrmap(AS_PROGRAM, &mrgame_state::macattck_audio1_map);

	m_gfxdecode->set_info(gfx_5bpp);

	m_selectlatch->q_out_cb<1>().set(FUNC(mrgame_state::intst_w)); // U48
	m_selectlatch->q_out_cb<2>().set(FUNC(mrgame_state::video_bank_w<3>));

	subdevice<screen_device>("screen")->screen_vblank().set(FUNC(mrgame_state::vblank_int_w));
}

void mrgame_state::wcup90(machine_config &config)
{
	macattck(config);
	m_audiocpu2->set_addrmap(AS_PROGRAM, &mrgame_state::wcup90_audio2_map);
}

/*-------------------------------------------------------------------
/ Dakar (06/1988)
/-------------------------------------------------------------------*/
ROM_START(dakar)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE("cpu_ic13.rom", 0x000000, 0x8000, CRC(83183929) SHA1(977ac10a1e78c759eb0550794f2639fe0e2d1507))
	ROM_LOAD16_BYTE("cpu_ic14.rom", 0x000001, 0x8000, CRC(2010d28d) SHA1(d262dabd9298566df43df298cf71c974bee1434a))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic14.rom", 0x0000, 0x8000, CRC(88a9ca81) SHA1(9660d416b2b8f1937cda7bca51bd287641c7730c))

	ROM_REGION(0x10000, "chargen", 0)
	ROM_LOAD("vid_ic55.rom", 0x0000, 0x8000, CRC(3c68b448) SHA1(f416f00d2de0c71c021fec0e9702ba79b761d5e7))
	ROM_LOAD("vid_ic56.rom", 0x8000, 0x8000, CRC(0aac43e9) SHA1(28edfeddb2d54e40425488bad37e3819e4488b0b))

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic66.rom", 0x0000, 0x0020, CRC(c8269b27) SHA1(daa83bfdb1e255b846bbade7f200abeaa9399c06))

	ROM_REGION(0x10000, "audio1", 0)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(29e9417e) SHA1(24f465993da7c93d385ec453497f2af4d8abb6f4))
	ROM_LOAD("snd_ic07.rom", 0x8000, 0x8000, CRC(71ab15fe) SHA1(245842bb41410ea481539700f79c7ef94f8f8924))

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(7b2394d1) SHA1(f588f5105d75b54dd65bb6448a2d7774fb8477ec))
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(4039ea65) SHA1(390fce94d1e48b395157d8d9afaa485114c58d52))
ROM_END

/*-------------------------------------------------------------------
/ Motor Show (1989)
/-------------------------------------------------------------------*/
ROM_START(motrshow)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE( "cpu_0.ic13",  0x0000, 0x8000, CRC(e862ca71) SHA1(b02e5f39f9427d58b70b7999a5ff6075beff05ae))
	ROM_LOAD16_BYTE( "cpu_0.ic14",  0x0001, 0x8000, CRC(c898ae25) SHA1(f0e1369284a1e0f394f1d40281fd46252016602e))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic14.rom", 0x0000, 0x8000, CRC(1d4568e2) SHA1(bfc2bb59708ce3a09f9a1b3460ed8d5269840c97))

	ROM_REGION(0x10000, "chargen", 0)
	ROM_LOAD("vid_ic55.rom", 0x0000, 0x8000, CRC(c27a4ded) SHA1(9c2c9b17f1e71afb74bdfbdcbabb99ef935d32db))
	ROM_LOAD("vid_ic56.rom", 0x8000, 0x8000, CRC(1664ec8d) SHA1(e7b15acdac7dfc51b668e908ca95f02a2b569737))

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic66.rom", 0x0000, 0x0020, CRC(5b585252) SHA1(b88e56ebdce2c3a4b170aff4b05018e7c21a79b8))

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(fba5a8f1) SHA1(ddf989abebe05c569c9ecdd498bd8ea409df88ac))

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(9dec153d) SHA1(8a0140257316aa19c0401456839e11b6896609b1))
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(4f42be6e) SHA1(684e988f413cd21c785ad5d60ef5eaddddaf72ab))
ROM_END

ROM_START(motrshowa)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE( "cpu_1.ic13a", 0x0000, 0x8000, CRC(2dbdd9d4) SHA1(b404814a4e83ead6da3c57818ae97f23d380f9da))
	ROM_LOAD16_BYTE( "cpu_1.ic14b", 0x0001, 0x8000, CRC(0bd98fec) SHA1(b90a7e997db59740398003ba94a69118b1ee70af))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic14.rom", 0x0000, 0x8000, CRC(1d4568e2) SHA1(bfc2bb59708ce3a09f9a1b3460ed8d5269840c97))

	ROM_REGION(0x10000, "chargen", 0)
	ROM_LOAD("vid_ic55.rom", 0x0000, 0x8000, CRC(c27a4ded) SHA1(9c2c9b17f1e71afb74bdfbdcbabb99ef935d32db))
	ROM_LOAD("vid_ic56.rom", 0x8000, 0x8000, CRC(1664ec8d) SHA1(e7b15acdac7dfc51b668e908ca95f02a2b569737))

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic66.rom", 0x0000, 0x0020, CRC(5b585252) SHA1(b88e56ebdce2c3a4b170aff4b05018e7c21a79b8))

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(fba5a8f1) SHA1(ddf989abebe05c569c9ecdd498bd8ea409df88ac))

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(9dec153d) SHA1(8a0140257316aa19c0401456839e11b6896609b1))
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(4f42be6e) SHA1(684e988f413cd21c785ad5d60ef5eaddddaf72ab))
ROM_END

ROM_START(motrshowb)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE( "cpu_2.ic13b", 0x0000, 0x8000, CRC(9cd2d6f3) SHA1(6f123367ccbe1376b4bd8a5ee0f636efe42f9eac))
	ROM_LOAD16_BYTE( "cpu_2.ic14b", 0x0001, 0x8000, CRC(0bd98fec) SHA1(b90a7e997db59740398003ba94a69118b1ee70af))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic14.rom", 0x0000, 0x8000, CRC(1d4568e2) SHA1(bfc2bb59708ce3a09f9a1b3460ed8d5269840c97))

	ROM_REGION(0x10000, "chargen", 0)
	ROM_LOAD("vid_ic55.rom", 0x0000, 0x8000, CRC(c27a4ded) SHA1(9c2c9b17f1e71afb74bdfbdcbabb99ef935d32db))
	ROM_LOAD("vid_ic56.rom", 0x8000, 0x8000, CRC(1664ec8d) SHA1(e7b15acdac7dfc51b668e908ca95f02a2b569737))

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic66.rom", 0x0000, 0x0020, CRC(5b585252) SHA1(b88e56ebdce2c3a4b170aff4b05018e7c21a79b8))

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(fba5a8f1) SHA1(ddf989abebe05c569c9ecdd498bd8ea409df88ac))

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(9dec153d) SHA1(8a0140257316aa19c0401456839e11b6896609b1))
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(4f42be6e) SHA1(684e988f413cd21c785ad5d60ef5eaddddaf72ab))
ROM_END

/*-----------------------------------------------------------------------
/ Fast Track (1989)  A predecessor of Motor Show. Green Screen text only
/-----------------------------------------------------------------------*/
ROM_START(fasttrack)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE("cpuic13.rom", 0x0000, 0x8000, CRC(675cbef6) SHA1(0561aee09bb459a79e54a903d39ef5e5288e8368))
	ROM_LOAD16_BYTE("cpuic14.rom", 0x0001, 0x8000, CRC(57a1c42f) SHA1(fbfc7527068a1e68afa4c20d5c2650399a1ee3cd))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("ft_vid1.764", 0x0000, 0x2000, NO_DUMP )  // only dump we found was all 0xF7
	ROM_FILL(0,1,0x18)  // this is to prevent the error.log filling up the hard drive
	ROM_FILL(1,1,0xfe)

	ROM_REGION(0x10000, "chargen", ROMREGION_ERASEFF)
	ROM_LOAD("ft_vid2.532",  0x0000, 0x001000, CRC(5145685b) SHA1(6857be53efee5d439311ddb93e9f509590ff26c9) )  // 2nd half is rubbish

	// from here wasn't supplied, assumed same as motorshow
	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic66.rom", 0x0000, 0x0020, CRC(5b585252) SHA1(b88e56ebdce2c3a4b170aff4b05018e7c21a79b8))

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(fba5a8f1) SHA1(ddf989abebe05c569c9ecdd498bd8ea409df88ac))

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(9dec153d) SHA1(8a0140257316aa19c0401456839e11b6896609b1))
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(4f42be6e) SHA1(684e988f413cd21c785ad5d60ef5eaddddaf72ab))
ROM_END

/*-------------------------------------------------------------------
/ Mac Attack (1990)
/-------------------------------------------------------------------*/
ROM_START(macattck)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE("cpu_ic13.rom", 0x0000, 0x8000, CRC(35cabad1) SHA1(01279df881b0d7d6586c1b8570b12bdc1fb9ff21) )
	ROM_LOAD16_BYTE("cpu_ic14.rom", 0x0001, 0x8000, CRC(6a4d7b89) SHA1(090e1a6c069cb6e5efd26a0260df613375f0b063) )

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic91.rom", 0x0000, 0x8000, CRC(42d2ba01) SHA1(c13d38c2798575760461912cef65dde57dfd938c) )

	ROM_REGION(0x28000, "chargen", 0)
	ROM_LOAD("vid_ic14.rom", 0x00000, 0x8000, CRC(f6e047fb) SHA1(6be712dda60257b9e7014315c8fee19812622bf6) )
	ROM_LOAD("vid_ic15.rom", 0x08000, 0x8000, CRC(405a8f54) SHA1(4d58915763db3c3be2bfc166be1a12285ff2c38b) )
	ROM_LOAD("vid_ic16.rom", 0x10000, 0x8000, CRC(063ea783) SHA1(385dbfcc8ecd3a784f9a8752d00e060b48d70d6a) )
	ROM_LOAD("vid_ic17.rom", 0x18000, 0x8000, CRC(7494e44e) SHA1(c7c062508e81b9fd818f36f80d4a6da02c3bda40) )
	ROM_LOAD("vid_ic18.rom", 0x20000, 0x8000, CRC(83ef25f8) SHA1(bab482badb8646b099dbb197ca9af3a126b274e3) )

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic61.rom", 0x0000, 0x0020, CRC(538c72ae) SHA1(f704492568257fcc4a4f1189207c6fb6526eb81c) BAD_DUMP) // from wcup90, assumed to be the same

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(4ab94d16) SHA1(4c3755489f699c751d664f420b9852ef16bb3aa6) )

	ROM_REGION(0x4000, "m114", 0)
	ROM_LOAD("snd_ic22.rom", 0x0000, 0x4000, CRC(9d3546c5) SHA1(cc6e91288692b927f7d046e192b1fd128c126d0d) )

	ROM_REGION(0x10000, "audio2", 0)
	ROM_LOAD("snd_ic35.rom", 0x0000, 0x8000, CRC(52e9811c) SHA1(52223cf14a185b4dab14143d797000baf6d618cc) )
	ROM_LOAD("snd_ic36.rom", 0x8000, 0x8000, CRC(2e6b5822) SHA1(9e390e4b71cc103ec3d781575df484a3e4217b3b) )
ROM_END

/*-------------------------------------------------------------------
/ World Cup 90 (1990)
/-------------------------------------------------------------------*/
ROM_START(wcup90)
	ROM_REGION16_BE(0x10000, "maincpu", 0)
	ROM_LOAD16_BYTE("cpu_ic13.rom", 0x0000, 0x8000, CRC(0e2edfb0) SHA1(862fb1f6509fb1f560d0b2bb8a5764f64b259f04))
	ROM_LOAD16_BYTE("cpu_ic14.rom", 0x0001, 0x8000, CRC(fdd03165) SHA1(6dc6e68197218f8808436098c26cd04fc3215b1c))

	ROM_REGION(0x8000, "video", 0)
	ROM_LOAD("vid_ic91.rom", 0x0000, 0x8000, CRC(3287ad20) SHA1(d5a453efc7292670073f157dca04897be857b8ed))

	ROM_REGION(0x30000, "chargen", 0)
	ROM_LOAD("vid_ic14.rom", 0x00000, 0x8000, CRC(a101d562) SHA1(ad9ad3968f13169572ec60e22e84acf43382b51e))
	ROM_LOAD("vid_ic15.rom", 0x08000, 0x8000, CRC(40791e7a) SHA1(788760b8527df48d1825be88099491b6e94f0a19))
	ROM_LOAD("vid_ic16.rom", 0x10000, 0x8000, CRC(a7214157) SHA1(a4660180e8491a37028fec8533cf13daf839a7c4))
	ROM_LOAD("vid_ic17.rom", 0x18000, 0x8000, CRC(caf4fb04) SHA1(81784a4dc7c671090cf39cafa7d34a6b34523168))
	ROM_LOAD("vid_ic18.rom", 0x20000, 0x8000, CRC(83ad2a10) SHA1(37664e5872e6322ee6bb61ec9385876626598152))

	ROM_REGION(0x0020, "proms", 0)
	ROM_LOAD("vid_ic61.rom", 0x0000, 0x0020, CRC(538c72ae) SHA1(f704492568257fcc4a4f1189207c6fb6526eb81c))

	ROM_REGION(0x10000, "audio1", ROMREGION_ERASEFF)
	ROM_LOAD("snd_ic06.rom", 0x0000, 0x8000, CRC(19a66331) SHA1(fbd71bc378b5a04247fd1754529c66b086eb33d8))

	ROM_REGION(0x4000, "user1", 0)
	ROM_LOAD("snd_ic21.rom", 0x0000, 0x4000, CRC(e6c1098e) SHA1(06bf8917a27d5e46e4aab93e1f212918418e3a82))

	ROM_REGION(0x30000, "user2", 0)
	ROM_LOAD("snd_ic45.rom", 0x00000, 0x10000, CRC(265aa979) SHA1(9ca10c41526a2d227c21f246273ca14bec7f1bc7))
	ROM_LOAD("snd_ic46.rom", 0x10000, 0x10000, CRC(7edb321e) SHA1(b242e94c24e996d2de803d339aa9bf6e93586a4c))

	ROM_REGION(0x8000, "audio2", 0)
	ROM_LOAD("snd_ic44.rom", 0x00000, 0x8000, CRC(00946570) SHA1(83e7dd89844679571ab2a803295c8ca8941a4ac7))
ROM_END

} // anonymous namespace


GAME(1988,  dakar,     0,         mrgame,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Dakar",              MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1989,  fasttrack, motrshow,  mrgame,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Fast Track",         MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1989,  motrshow,  0,         mrgame,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Motor Show (set 1)", MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1989,  motrshowa, motrshow,  mrgame,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Motor Show (set 2)", MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1989,  motrshowb, motrshow,  mrgame,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Motor Show (set 3)", MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1990,  macattck,  0,         macattck,  mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "Mac Attack",         MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )
GAME(1990,  wcup90,    0,         wcup90,    mrgame, mrgame_state, empty_init, ROT0, "Mr Game", "World Cup 90",       MACHINE_IS_SKELETON_MECHANICAL | MACHINE_SUPPORTS_SAVE )