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path: root/src/mame/drivers/play_1.cpp
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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, Robbbert
/*********************************************************************************

PINBALL
Playmatic MPU 1

ToDo:
- Add remaining mechanical sounds
- Lamps, solenoids (spcgambl has a "cone" lighted by the COx outputs)

Notes:
All games work.
Max credits is 15.
X is the outhole.
Chance: When starting the game, hold down X to make "Player 1" light up.
Others: When starting the game, hold down X, then release and hit Z, otherwise
        some weird bugs can happen.

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

#include "emu.h"
#include "machine/genpin.h"

#include "cpu/cosmac/cosmac.h"
#include "machine/clock.h"
#include "sound/spkrdev.h"
#include "speaker.h"

#include "play_1.lh"


class play_1_state : public genpin_class
{
public:
	play_1_state(const machine_config &mconfig, device_type type, const char *tag)
		: genpin_class(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_dips(*this, "X.%u", 0)
		, m_monotone(*this, "monotone")
		, m_digits(*this, "digit%u", 0U)
	{ }

	void chance(machine_config &config);
	void play_1(machine_config &config);

private:
	DECLARE_READ8_MEMBER(port07_r);
	DECLARE_WRITE8_MEMBER(port01_w);
	DECLARE_WRITE8_MEMBER(port02_w);
	DECLARE_WRITE8_MEMBER(port03_w);
	DECLARE_WRITE8_MEMBER(port04_w);
	DECLARE_WRITE8_MEMBER(port05_w);
	DECLARE_WRITE8_MEMBER(port06_w);
	DECLARE_READ_LINE_MEMBER(clear_r);
	DECLARE_READ_LINE_MEMBER(wait_r);
	DECLARE_READ_LINE_MEMBER(ef2_r);
	DECLARE_READ_LINE_MEMBER(ef3_r);
	DECLARE_READ_LINE_MEMBER(ef4_r);
	DECLARE_WRITE_LINE_MEMBER(clock_w);

	void chance_map(address_map &map);
	void play_1_io(address_map &map);
	void play_1_map(address_map &map);

	uint16_t m_resetcnt;
	uint16_t m_clockcnt;
	uint16_t m_waitcnt;
	uint8_t m_segment;
	uint8_t m_match;
	uint8_t m_ball;
	virtual void machine_reset() override;
	virtual void machine_start() override { m_digits.resolve(); }
	required_device<cosmac_device> m_maincpu;
	required_ioport_array<4> m_dips;
	required_device<clock_device> m_monotone;
	output_finder<46> m_digits;
};

void play_1_state::play_1_map(address_map &map)
{
	map.global_mask(0xfff);
	map(0x0000, 0x07ff).rom().region("roms", 0);
	map(0x0800, 0x081f).ram().share("nvram"); // capacitor acting as a 2-month "battery"
	map(0x0c00, 0x0c1f).ram();
}

void play_1_state::chance_map(address_map &map)
{
	map.global_mask(0xfff);
	map(0x0000, 0x0bff).rom().region("roms", 0);
	map(0x0c00, 0x0c1f).ram();
	map(0x0e00, 0x0e1f).ram().share("nvram"); // capacitor acting as a 2-month "battery"
}

void play_1_state::play_1_io(address_map &map)
{
	map(0x01, 0x01).portr("IN1").w(FUNC(play_1_state::port01_w)); //segments
	map(0x02, 0x02).portr("IN2").w(FUNC(play_1_state::port02_w)); // N1-8
	map(0x03, 0x03).portr("IN3").w(FUNC(play_1_state::port03_w)); // D1-4
	map(0x04, 0x04).portr("IN4").w(FUNC(play_1_state::port04_w)); // U1-8
	map(0x05, 0x05).portr("IN5").w(FUNC(play_1_state::port05_w)); // V1-8
	map(0x06, 0x06).portr("IN6").w(FUNC(play_1_state::port06_w)); // W1-8
	map(0x07, 0x07).r(FUNC(play_1_state::port07_r));
}

static INPUT_PORTS_START( chance )
	PORT_START("X.0")
	PORT_DIPNAME(0x01, 0x01, "Unknown" ) // Shows in schematic, not mentioned in the manuals, appears to have no effect
	PORT_DIPSETTING (  0x00, "3 games" )
	PORT_DIPSETTING (  0x01, "1 game" )
	PORT_DIPNAME(0x02, 0x00, "Balls")
	PORT_DIPSETTING (  0x00, "3" )
	PORT_DIPSETTING (  0x02, "5" )
	PORT_DIPNAME(0x04, 0x00, "Special award")
	PORT_DIPSETTING (  0x00, "Free game" )
	PORT_DIPSETTING (  0x04, "Extra ball" )

	PORT_START("X.1")
	PORT_DIPNAME(0xff, 0x08, "Coinage for slot 2" )
	PORT_DIPSETTING (  0x01, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING (  0x02, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING (  0x04, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING (  0x08, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING (  0x10, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING (  0x20, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING (  0x40, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING (  0x80, DEF_STR( 1C_6C ) )

	PORT_START("X.2")
	PORT_DIPNAME(0xff, 0x01, "Coinage for slot 3" )
	PORT_DIPSETTING (  0x01, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING (  0x02, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING (  0x04, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING (  0x08, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING (  0x10, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING (  0x20, DEF_STR( 1C_8C ) )
	PORT_DIPSETTING (  0x40, DEF_STR( 1C_9C ) )
	PORT_DIPSETTING (  0x80, "1 coin 10 credits" )

	PORT_START("IN1") // 11-18
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Q)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_W)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_X) // outhole trough
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_E)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_T) // Tilt
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_R)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Y)

	PORT_START("IN2") // 21-28
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_U)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_I)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_O)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_A)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_S)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_D)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_F)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_G)

	PORT_START("IN3") // 31-38
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_H)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_J)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_K)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_L)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_C)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_V)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_B)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_N)

	PORT_START("IN4") // 41-48
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_M)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Z)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_COMMA)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_STOP)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_SLASH)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_COLON)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_QUOTE)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_BACKSPACE)

	PORT_START("IN5") // 51-58
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_OPENBRACE)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_CLOSEBRACE)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_BACKSLASH)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_ENTER)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_LEFT)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_RIGHT)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_UP)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_DOWN)

	PORT_START("IN6") // 61-68
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_0_PAD) // Show total free replays
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_1_PAD) // Show total games paid
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_4_PAD) // Show 1st chute
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_5_PAD) // Show 2nd shute
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_6_PAD) // Show 3rd chute
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN3 )

	PORT_START("X.3") // 71-78
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_9) // Test
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_2_PAD) // Reset Unit 1,2,3,4,5
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_3_PAD) // Show high score to date
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_7_PAD) // Set 3rd replay score
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_8_PAD) // Set 2nd replay score
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_9_PAD) // Set 1st replay score
INPUT_PORTS_END

static INPUT_PORTS_START( play_1 )
	PORT_INCLUDE( chance )
	PORT_MODIFY("IN4")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_M)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_W)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_COMMA)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_STOP)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_SLASH)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_COLON)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_QUOTE)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_BACKSPACE)

	PORT_MODIFY("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Q)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START ) // start
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_X) // outhole
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_E)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_T) // Tilt
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_R)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Z) // trough
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Y)
INPUT_PORTS_END

static INPUT_PORTS_START( spcgambl )
	PORT_INCLUDE( play_1 )
	PORT_MODIFY("IN1") // 11-18
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Q)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START ) // start
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_O)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_E)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_T) // Tilt
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_R)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_F)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Y)

	PORT_MODIFY("IN2") // 21-28
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_U)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_I)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_X) // outhole
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_A)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_S)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_D)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_Z) // trough
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_CODE(KEYCODE_G)
INPUT_PORTS_END


void play_1_state::machine_reset()
{
	m_waitcnt = 0xffff;
	m_resetcnt = 0;
	m_clockcnt = 0;
	m_segment = 0;
	m_match = 0;
	m_ball = 0;
}

READ8_MEMBER( play_1_state::port07_r )
{
	uint8_t data = m_dips[3]->read() & 0x3f;
	data |= (m_segment & m_dips[1]->read()) ? 0x40 : 0;
	data |= (m_segment & m_dips[2]->read()) ? 0x80 : 0;
	return data;
}

WRITE8_MEMBER( play_1_state::port01_w )
{
	static const uint8_t patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7c, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // 4511
	// d0-1 via 4013 to match-game board
	// d4-7 via 4511 to match-game board
	if (BIT(data, 0))
		m_digits[40] = patterns[1];
	else
		m_digits[40] = 0;

	if (BIT(data, 1))
	{
		m_digits[44] = patterns[0];
		m_digits[45] = patterns[0];
	}
	else
	{
		m_digits[44] = 0;
		m_digits[45] = 0;
	}

	m_match = patterns[data>>4];
	m_waitcnt = 0;
}

WRITE8_MEMBER( play_1_state::port02_w )
{
	// N1-8, segments and other
	m_segment = data;
	m_waitcnt = 0;
}

WRITE8_MEMBER( play_1_state::port03_w )
{
	static const uint8_t patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7c, 0x07, 0x7f, 0x67, 0, 0, 0, 0, 0, 0 }; // 4511
	// D1-4, digit select
	switch (~data & 15)
	{
		case 0:
			// M1 thru M8: bit 4 lights up the bumpers, bit 6 outhole, bit 7 knocker
			if (BIT(m_segment, 6)) // outhole
				m_samples->start(0, 5);
			if (BIT(m_segment, 7)) // knocker
				m_samples->start(0, 6);
			break;
		case 1:
			// a combination of bits could set higher frequencies, but that isn't documented or used
			if (BIT(m_segment, 0))
				m_monotone->set_unscaled_clock(523);
			else
			if (BIT(m_segment, 1))
				m_monotone->set_unscaled_clock(659);
			else
			if (BIT(m_segment, 2))
				m_monotone->set_unscaled_clock(784);
			else
			if (BIT(m_segment, 3))
				m_monotone->set_unscaled_clock(988);
			else
			if ((m_segment & 0x0F)==0)
				m_monotone->set_unscaled_clock(0);
			// Bit 4 when low makes the sound fade out, not emulated yet

			// display player number
			{
				char wordnum[8];
				uint8_t player = m_segment >> 5;
				for (uint8_t i = 1; i < 5; i++)
				{
					sprintf(wordnum,"text%d", i);
					output().set_value(wordnum, (player == i) ? 0:1);
				}
			}
			break;
		case 2:
			m_digits[0] = patterns[m_segment>>4];
			m_digits[1] = patterns[m_segment&15];
			break;
		case 3:
			m_digits[2] = patterns[m_segment>>4];
			m_digits[3] = patterns[m_segment&15];
			break;
		case 4:
			m_digits[4] = patterns[m_segment>>4];
			m_digits[5] = patterns[m_segment&15];
			m_digits[14] = patterns[m_segment>>4];
			m_digits[15] = patterns[m_segment&15];
			m_digits[24] = patterns[m_segment>>4];
			m_digits[25] = patterns[m_segment&15];
			m_digits[34] = patterns[m_segment>>4];
			m_digits[35] = patterns[m_segment&15];
			break;
		case 5:
			m_digits[10] = patterns[m_segment>>4];
			m_digits[11] = patterns[m_segment&15];
			break;
		case 6:
			m_digits[12] = patterns[m_segment>>4];
			m_digits[13] = patterns[m_segment&15];
			break;
		case 7:
			m_digits[20] = patterns[m_segment>>4];
			m_digits[21] = patterns[m_segment&15];
			break;
		case 8:
			m_digits[22] = patterns[m_segment>>4];
			m_digits[23] = patterns[m_segment&15];
			break;
		case 9:
			m_digits[30] = patterns[m_segment>>4];
			m_digits[31] = patterns[m_segment&15];
			break;
		case 10:
		case 11:
			m_digits[32] = patterns[m_segment>>4];
			m_digits[33] = patterns[m_segment&15];
			break;
		default:
			break;
	}
	m_waitcnt = 0;
}

WRITE8_MEMBER( play_1_state::port04_w )
{
	// U1-8
	m_ball = data;
	m_waitcnt = 0;
}

WRITE8_MEMBER( play_1_state::port05_w )
{
	// V1-8
	m_waitcnt = 0;
}

WRITE8_MEMBER( play_1_state::port06_w )
{
	// W1-8
	m_waitcnt = 0;
}

READ_LINE_MEMBER( play_1_state::clear_r )
{
	// A hack to make the machine reset itself on boot
	if (m_resetcnt < 0xffff)
		m_resetcnt++;
	return (m_resetcnt == 0x8000) ? 0 : 1;
}

READ_LINE_MEMBER( play_1_state::wait_r )
{
	// Any OUT instruction forces a 60-100msec wait
	if (m_waitcnt < 0x180)
	{
		m_waitcnt++;
		return 0;
	}
	else
		return 1;
}

READ_LINE_MEMBER( play_1_state::ef2_r )
{
	return !BIT(m_dips[0]->read(), 0); // 1 or 3 games dip (1=1 game) inverted
}

READ_LINE_MEMBER( play_1_state::ef3_r )
{
	return !BIT(m_dips[0]->read(), 1); // 3 or 5 balls dip (1=5 balls) inverted
}

READ_LINE_MEMBER( play_1_state::ef4_r )
{
	return !BIT(m_dips[0]->read(), 2); // extra ball or game dip (1=extra ball) inverted
}

WRITE_LINE_MEMBER( play_1_state::clock_w )
{
	if (state)
	{
		m_clockcnt++;
		m_maincpu->int_w(BIT(m_clockcnt, 0)); // inverted
		m_maincpu->ef1_w(BIT(m_clockcnt, 1)); // inverted
		if (BIT(m_clockcnt, 1))
			m_digits[41] = m_match;
		else
		{
			m_digits[43] = m_match;
			output().set_value("led1", !BIT(m_ball, 1));
			output().set_value("led2", !BIT(m_ball, 2));
			output().set_value("led3", !BIT(m_ball, 3));
			output().set_value("led4", !BIT(m_ball, 4));
			output().set_value("led5", !BIT(m_ball, 5));
		}
	}
}

void play_1_state::play_1(machine_config &config)
{
	/* basic machine hardware */
	CDP1802(config, m_maincpu, 400000); // 2 gates, 1 cap, 1 resistor oscillating somewhere between 350 to 450 kHz
	m_maincpu->set_addrmap(AS_PROGRAM, &play_1_state::play_1_map);
	m_maincpu->set_addrmap(AS_IO, &play_1_state::play_1_io);
	m_maincpu->wait_cb().set(FUNC(play_1_state::wait_r));
	m_maincpu->clear_cb().set(FUNC(play_1_state::clear_r));
	m_maincpu->ef2_cb().set(FUNC(play_1_state::ef2_r));
	m_maincpu->ef3_cb().set(FUNC(play_1_state::ef3_r));
	m_maincpu->ef4_cb().set(FUNC(play_1_state::ef4_r));

	NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);

	/* Video */
	config.set_default_layout(layout_play_1);

	clock_device &xpoint(CLOCK(config, "xpoint", 100)); // crossing-point detector
	xpoint.signal_handler().set(FUNC(play_1_state::clock_w));

	/* Sound */
	genpin_audio(config);
	SPEAKER(config, "mono").front_center();
	SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50);
	CLOCK(config, m_monotone, 0); // sound device
	m_monotone->signal_handler().set("speaker", FUNC(speaker_sound_device::level_w));
}

void play_1_state::chance(machine_config &config)
{
	play_1(config);
	m_maincpu->set_addrmap(AS_PROGRAM, &play_1_state::chance_map);
}

/*-------------------------------------------------------------------
/ Space Gambler (03/78)
/-------------------------------------------------------------------*/
ROM_START(spcgambl)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("spcgamba.bin", 0x0000, 0x0400, CRC(3b6e5287) SHA1(4d2fae779bb4117a99a9311b96ab79799f40067b))
	ROM_LOAD("spcgambb.bin", 0x0400, 0x0400, CRC(5c61f25c) SHA1(44b2d74926bf5678146b6d2347b4147e8a29a660))
ROM_END

/*-------------------------------------------------------------------
/ Big Town  (04/78)
/-------------------------------------------------------------------*/
ROM_START(bigtown)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("bigtowna.bin", 0x0000, 0x0400, CRC(253f1b93) SHA1(7ff5267d0dfe6ae19ec6b0412902f4ce83f23ed1))
	ROM_LOAD("bigtownb.bin", 0x0400, 0x0400, CRC(5e2ba9c0) SHA1(abd285aa5702c7fb84257b4341f64ff83c1fc0ce))
ROM_END

/*-------------------------------------------------------------------
/ Last Lap (09/78)
/-------------------------------------------------------------------*/
ROM_START(lastlap)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("lastlapa.bin", 0x0000, 0x0400, CRC(253f1b93) SHA1(7ff5267d0dfe6ae19ec6b0412902f4ce83f23ed1))
	ROM_LOAD("lastlapb.bin", 0x0400, 0x0400, CRC(5e2ba9c0) SHA1(abd285aa5702c7fb84257b4341f64ff83c1fc0ce))
ROM_END

/*-------------------------------------------------------------------
/ Third World (??/78)
/-------------------------------------------------------------------*/
ROM_START(thrdwrld)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("3rdwrlda.bin", 0x0000, 0x0400, CRC(253f1b93) SHA1(7ff5267d0dfe6ae19ec6b0412902f4ce83f23ed1))
	ROM_LOAD("3rdwrldb.bin", 0x0400, 0x0400, CRC(5e2ba9c0) SHA1(abd285aa5702c7fb84257b4341f64ff83c1fc0ce))
ROM_END

/*-------------------------------------------------------------------
/ Chance (09/78)
/-------------------------------------------------------------------*/
ROM_START(chance)
	ROM_REGION(0xc00, "roms", 0)
	ROM_LOAD("chance_a.bin", 0x0000, 0x0400, CRC(3cd9d5a6) SHA1(c1d9488495a67198f7f60f70a889a9a3062c71d7))
	ROM_LOAD("chance_b.bin", 0x0400, 0x0400, CRC(a281b0f1) SHA1(1d2d26ce5f50294d5a95f688c82c3bdcec75de95))
	ROM_LOAD("chance_c.bin", 0x0800, 0x0200, CRC(369afee3) SHA1(7fa46c7f255a5ef21b0d1cc018056bc4889d68b8))
ROM_END

/*-------------------------------------------------------------------
/ Party  (05/79)
/-------------------------------------------------------------------*/
ROM_START(party)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("party_a.bin", 0x0000, 0x0400, CRC(253f1b93) SHA1(7ff5267d0dfe6ae19ec6b0412902f4ce83f23ed1))
	ROM_LOAD("party_b.bin", 0x0400, 0x0400, CRC(5e2ba9c0) SHA1(abd285aa5702c7fb84257b4341f64ff83c1fc0ce))
ROM_END

/*-------------------------------------------------------------------
/ Night Fever (??/79)
/-------------------------------------------------------------------*/
ROM_START(ngtfever)
	ROM_REGION(0x800, "roms", 0)
	ROM_LOAD("nfevera.bin", 0x0000, 0x0400, CRC(253f1b93) SHA1(7ff5267d0dfe6ae19ec6b0412902f4ce83f23ed1))
	ROM_LOAD("nfeverb.bin", 0x0400, 0x0400, CRC(5e2ba9c0) SHA1(abd285aa5702c7fb84257b4341f64ff83c1fc0ce))
ROM_END


/* Big Town, Last Lap, Night Fever, Party and Third World all reportedly share the same roms with different playfield/machine artworks */
GAME(1978, bigtown,  0,       play_1, play_1,   play_1_state, empty_init, ROT0, "Playmatic", "Big Town",      MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1978, lastlap,  bigtown, play_1, play_1,   play_1_state, empty_init, ROT0, "Playmatic", "Last Lap",      MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1979, party,    bigtown, play_1, play_1,   play_1_state, empty_init, ROT0, "Playmatic", "Party",         MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1979, ngtfever, bigtown, play_1, play_1,   play_1_state, empty_init, ROT0, "Sonic",     "Night Fever",   MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1978, thrdwrld, bigtown, play_1, play_1,   play_1_state, empty_init, ROT0, "Sonic",     "Third World",   MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1978, spcgambl, 0,       play_1, spcgambl, play_1_state, empty_init, ROT0, "Playmatic", "Space Gambler", MACHINE_MECHANICAL | MACHINE_NOT_WORKING )
GAME(1978, chance,   0,       chance, chance,   play_1_state, empty_init, ROT0, "Playmatic", "Chance",        MACHINE_MECHANICAL | MACHINE_NOT_WORKING )