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

Little Casino
Mini Vegas 4in1

Non-Payout 'Gambling' style games.

todo:

inputs
colours
etc.

Mini Vegas
CC-089  (c) Entertainment Enterprises Ltd. 1983
 +---------------------------------------------------------------------+
 |        +-+                  M2114          A.IC19         18.432MHz |
 |        |H|                                                      D1  |
 |        |D|                  M2114  M2114                            |
++  2003C |6|                                 B.IC18               +-+ |
|         |8|                  M2114  M2114                        | | |
|         |2|                                                      |9| |
|         |1|                  M2114  M2114   C.IC17               |9| |
|         +-+                                                      |3| |
|         +-+                         M2114                        |7| |
|   DSW3  |H|                         TC5514  D.IC16               | | |
|         |D|       +-+                                            +-+ |
|         |6|       | |                                            +-+ |
|         |8|       |8|               TC5514  E.IC15               |R| |
|         |2|       |9|                                            |6| |
|         |1|       |1|                                            |5| |
++        +-+       |0|               TC5514  F.IC14               |0| |
 |                  | |                                            |2| |
 |    VR1     DSW2  +-+                                            +-+ |
 |  MB3712    DSW1  BAT               TC5514  G.IC13                   |
 +---------------------------------------------------------------------+

  CPU: Rockwell R6502AP 2MHz
Video: TMS9937 NL CRT5037 NMOS Single chip Video Timer/Controller (VTC)
Sound: AY-3-8910
       MB3712 5.7W Amp
  OSC: 18.432MHz
  RAM: M2114-3 1KBx4 SRAM x 8
       TC5514P-1 1KBx4 SRAM x 4
  DSW: 3 8-switch dipswitches
  VR1: Volume pot
Other: Hitatchi HD46821P 1MHz NMOS Peripheral Interface Adapter (PIA) x 2
       NEC uPA2003C Darlington Array
       3.6v Battery
       D1 - Power On Diode
       44 pin edge connector

*/

#include "emu.h"
#include "cpu/m6502/m6502.h"
#include "sound/ay8910.h"
#include "screen.h"
#include "speaker.h"


class ltcasino_state : public driver_device
{
public:
	ltcasino_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_tile_num_ram(*this, "tile_nuram"),
		m_tile_atr_ram(*this, "tile_atr_ram"),
		m_maincpu(*this, "maincpu"),
		m_gfxdecode(*this, "gfxdecode") { }

	required_shared_ptr<uint8_t> m_tile_num_ram;
	required_shared_ptr<uint8_t> m_tile_atr_ram;
	tilemap_t *m_tilemap;
	DECLARE_WRITE8_MEMBER(ltcasino_tile_num_w);
	DECLARE_WRITE8_MEMBER(ltcasino_tile_atr_w);
	void init_mv4in1();
	TILE_GET_INFO_MEMBER(get_ltcasino_tile_info);
	virtual void video_start() override;
	DECLARE_PALETTE_INIT(ltcasino);
	uint32_t screen_update_ltcasino(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	required_device<cpu_device> m_maincpu;
	required_device<gfxdecode_device> m_gfxdecode;
	void ltcasino(machine_config &config);
	void ltcasino_map(address_map &map);
};


/* Video */

PALETTE_INIT_MEMBER(ltcasino_state, ltcasino)
{
	for (int i = 0; i < 64; i++)
	{
		palette.set_pen_color(2*i+0, pal1bit(i >> 0), pal1bit(i >> 2), pal1bit(i >> 1));
		palette.set_pen_color(2*i+1, pal1bit(i >> 3), pal1bit(i >> 5), pal1bit(i >> 4));
	}
}

/*
 x--- ---- tile bank
 -xxx ---- foreground color
 ---- x--- unknown (used by ltcasino)
 ---- -xxx background color
 */
TILE_GET_INFO_MEMBER(ltcasino_state::get_ltcasino_tile_info)
{
	int tileno, colour;

	tileno = m_tile_num_ram[tile_index];
	// TODO: wtf +1 on attribute offset otherwise glitches occurs on left side of objects?
	colour = m_tile_atr_ram[(tile_index+1) & 0x7ff];

	tileno += (colour & 0x80) << 1;

	SET_TILE_INFO_MEMBER(0,tileno,((colour & 0x70) >> 1) | (colour & 7),0);
}

void ltcasino_state::video_start()
{
	m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(ltcasino_state::get_ltcasino_tile_info),this),TILEMAP_SCAN_ROWS,8, 8,64,32);
}

uint32_t ltcasino_state::screen_update_ltcasino(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	m_tilemap->draw(screen, bitmap, cliprect, 0,0);
	return 0;
}

WRITE8_MEMBER(ltcasino_state::ltcasino_tile_num_w)
{
	m_tile_num_ram[offset] = data;
	m_tilemap->mark_tile_dirty(offset);
}

WRITE8_MEMBER(ltcasino_state::ltcasino_tile_atr_w)
{
	m_tile_atr_ram[offset] = data;
	m_tilemap->mark_tile_dirty((offset + 1) & 0x7ff);
}


void ltcasino_state::ltcasino_map(address_map &map)
{
	map(0x0000, 0x7fff).ram();
	map(0x8000, 0xcfff).rom();
	map(0xd000, 0xd7ff).ram().w(this, FUNC(ltcasino_state::ltcasino_tile_num_w)).share("tile_nuram");
	map(0xd800, 0xdfff).ram();
	map(0xe000, 0xe7ff).ram().w(this, FUNC(ltcasino_state::ltcasino_tile_atr_w)).share("tile_atr_ram");
	map(0xe800, 0xebff).ram();

	map(0xec00, 0xec00).portr("IN0");
	map(0xec01, 0xec01).portr("IN1");
	map(0xec02, 0xec02).portr("IN2");
	map(0xec03, 0xec03).portr("IN3");
	map(0xec10, 0xec10).portr("IN4");
	map(0xec12, 0xec12).portr("IN5");

	map(0xec20, 0xec20).r("aysnd", FUNC(ay8910_device::data_r));
	map(0xec21, 0xec21).portr("BUTTONS"); //ltcasino -> pc: F3F3 (A in service) and F3FD (B in service)
	map(0xec20, 0xec21).w("aysnd", FUNC(ay8910_device::data_address_w));
	map(0xec30, 0xec3f).ram();
	map(0xec3e, 0xec3e).nopr(); //not used
	map(0xf000, 0xffff).rom();
}


static INPUT_PORTS_START( ltcasino )
	PORT_START("IN0") /* Q in service */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_POKER_HOLD2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_POKER_HOLD3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_POKER_HOLD4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_POKER_HOLD5 )
	PORT_DIPNAME( 0x20, 0x00, "Enable Craps" ) //off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "Enable Poker" ) //off to enter service
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "Enable Black Jack" ) //off to enter service
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN1")
	PORT_DIPNAME( 0x01, 0x00, "1" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 )

	PORT_START("IN2") /* R in service */
	PORT_DIPNAME( 0x01, 0x00, "2" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN3")
	PORT_DIPNAME( 0x01, 0x00, "3" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "?" ) //set this LOW after insert a coin
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN2 )

	PORT_START("IN4") /* S in service */
	PORT_DIPNAME( 0x01, 0x00, "4" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x40, IP_ACTIVE_HIGH ) //service?
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN5") /* T in service */
	PORT_DIPNAME( 0x01, 0x00, "5" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

/*  PORT_START("IN6") // A and B in service  //is there a switch?
    PORT_DIPNAME( 0x01, 0x01, "6" ) // from 1 to 0x40 seem affect the credit
    PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) ) //ok?
    PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
*/
	PORT_START("BUTTONS")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON7 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON8 )
INPUT_PORTS_END

static INPUT_PORTS_START( ltcasinn )
	PORT_START("IN0") /* Q in service */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START1 ) //start?
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN1")
	PORT_DIPNAME( 0x01, 0x00, "1" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "Reset?" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("IN2") /* R in service */
	PORT_DIPNAME( 0x01, 0x00, "2" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN3")
	PORT_DIPNAME( 0x01, 0x00, "3" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) //off to get the race start
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN4") /* S in service */
	PORT_DIPNAME( 0x01, 0x01, "Plug the Keyboard" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x40, IP_ACTIVE_HIGH ) //service?
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN5") /* T in service */
	PORT_DIPNAME( 0x01, 0x00, "5" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

/*  PORT_START("IN6") // A and B in service  //is there a switch?
    PORT_DIPNAME( 0x01, 0x01, "6" )
    PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
    PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
    PORT_DIPNAME( 0x80, 0x80, DEF_STR( Free_Play ) )
    PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
    PORT_DIPSETTING(    0x00, DEF_STR( On ) )
*/

	PORT_START("BUTTONS")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON7 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON8 )
INPUT_PORTS_END


static INPUT_PORTS_START( mv4in1 )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_POKER_HOLD2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_POKER_HOLD3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_POKER_HOLD4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_POKER_HOLD5 )

	PORT_DIPNAME( 0x20, 0x00, "Enable Dice" ) // must be off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "Enable Poker" ) // must be off to enter service
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "Enable 21" ) // must be off to enter service
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN1")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 )

	PORT_START("IN2") // Shows as "R" in service mode
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN3")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "?" ) //set this LOW after insert a coin
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN2 )

	PORT_START("IN4") // Shows as "S" in service mode
	PORT_DIPNAME( 0x01, 0x01, "Keyboard" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) //off to enter service
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_SERVICE( 0x40, IP_ACTIVE_HIGH ) //service?
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("IN5") // Shows as "T" in service mode
	PORT_DIPNAME( 0x01, 0x00, "5" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("BUTTONS")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON7 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON8 )
INPUT_PORTS_END


static const gfx_layout tiles8x8_layout =
{
	8,8,
	RGN_FRAC(1,1),
	1,
	{ 0 },
	{ 7, 6, 5, 4, 3, 2, 1, 0 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8*8
};


static GFXDECODE_START( gfx_ltcasino )
	GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 64 )
GFXDECODE_END


MACHINE_CONFIG_START(ltcasino_state::ltcasino)
	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", M6502, XTAL(18'432'000)/9) /* 2.048MHz ?? (or 18.432MHz/8 = 2.304MHz) - not verified */
	MCFG_DEVICE_PROGRAM_MAP(ltcasino_map)
	MCFG_DEVICE_VBLANK_INT_DRIVER("screen", ltcasino_state,  irq0_line_hold)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(64*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(6*8, 58*8-1, 0, 32*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(ltcasino_state, screen_update_ltcasino)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_ltcasino)
	MCFG_PALETTE_ADD("palette", 2*64)
	MCFG_PALETTE_INIT_OWNER(ltcasino_state, ltcasino)


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

	MCFG_DEVICE_ADD("aysnd", AY8910, XTAL(18'432'000)/18) /* 1.024MHz ?? (or 18.432MHz/16 = 1.152MHz) - not verified */
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.4)
MACHINE_CONFIG_END


ROM_START( ltcasino )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "a",          0x8000, 0x1000, CRC(14909fee) SHA1(bf53fa65da7f013ea1ac6b4942cdfdb34ef16252) )
	ROM_LOAD( "b",          0x9800, 0x0800, CRC(1473f854) SHA1(eadaec1f6d653e61458bc262945c20140f4530eb) )
	ROM_LOAD( "c",          0xa800, 0x0800, CRC(7a07004b) SHA1(62bd0f3d12b7eada6fc271abea60569aca7262b0) )
	ROM_LOAD( "d",          0xb800, 0x0800, CRC(5148cafc) SHA1(124039f48784bf032f612714db73fb67a216a1e7) )
	ROM_LOAD( "e",          0xc800, 0x0800, CRC(5f9e103a) SHA1(b0e9ace4c3962c06e5250fac16a245dca711350f) )
	ROM_LOAD( "f",          0xf000, 0x1000, CRC(7345aada) SHA1(6640f5eb1130c8f1cb197eb12b8e6403c7f8d34d) )

	ROM_REGION( 0x0800, "gfx1", 0 )
	ROM_LOAD( "v",          0x0000, 0x0800, CRC(f1f75675) SHA1(8f3777e6b2a3f824f94b28669cac501ec02bbf36) )
ROM_END


ROM_START( ltcasinn )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "lc2_ra.bin", 0x8000, 0x1000, CRC(1a595442) SHA1(b8fe3e5ed2024a57187c0ce547c1bbef2429ed63) )
	ROM_LOAD( "lc2_rb.bin", 0x9000, 0x1000, CRC(4f5502c1) SHA1(cd1b7c08d26fed71c45e44ebd208bd18dc262e8f) )
	ROM_LOAD( "lc2_rc.bin", 0xa000, 0x1000, CRC(990283b8) SHA1(8a3fe5be8381894b8e8dd14c7d42190e60a25600) )
	ROM_LOAD( "lc2_rd.bin", 0xb000, 0x1000, CRC(884f39dc) SHA1(fe149faf118279205e82760c5052cefb88a2f5be) )
	ROM_LOAD( "lc2_re.bin", 0xc000, 0x1000, CRC(fae38204) SHA1(e5908734cee0a89d873ab3761ded285f8ae138d3) )
	ROM_LOAD( "lc2_rf.bin", 0xf000, 0x1000, CRC(7e8ad9d3) SHA1(8cbe342af7d9f32b2214664db318edd3d2e75630) )

	ROM_REGION( 0x1000, "gfx1", 0 )
	ROM_LOAD( "lc2_rv.bin", 0x0000, 0x1000, CRC(84cbee7b) SHA1(742831d5ae0db6c7c644a18a837831ee0474d472) )
ROM_END

ROM_START( mv4in1 )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "g.ic13",   0x8000, 0x1000, CRC(ac33bd85) SHA1(fd555f70d0a7040473d35ec38e19185671a471ea) )
	ROM_LOAD( "f.ic14",   0x9000, 0x1000, CRC(f95c87d1) SHA1(df5ed53722ec55a97eabe10b0ed3f1ba32cbe55f) )
	ROM_LOAD( "e.ic15",   0xa000, 0x1000, CRC(e525fcf2) SHA1(f1ec0c514e25ec4a1caf737ff8a962c81fb2706a) )
	ROM_LOAD( "d.ic16",   0xb000, 0x1000, CRC(ab34673f) SHA1(520a173a342a27b5f9d995e6f53c3a2f0f359f9e) )
	ROM_LOAD( "c.ic17",   0xc000, 0x1000, CRC(e384edf4) SHA1(99042528ce2b35191248d90162ca06a1a585667c) )
	ROM_LOAD( "b.ic18",   0xf000, 0x1000, CRC(3450b862) SHA1(816d13fd8d03c299c1dbecf971ee5fae2f1d64bc) )

	ROM_REGION( 0x1000, "gfx1", 0 )
	ROM_LOAD( "a.ic19",   0x0000, 0x1000, CRC(a25c125e) SHA1(e0ba83ccddbd82a2bf52585ae0accb9192cbb00e) )
ROM_END

void ltcasino_state::init_mv4in1()
{
	uint8_t *rom = memregion("maincpu")->base();
	for (int i = 0; i < 0x10000; i++)
		rom[i]=bitswap<8>(rom[i],7,6,5,4,3,1,2,0);
}



GAME( 1982, ltcasino, 0,        ltcasino, ltcasino, ltcasino_state, empty_init,  ROT0, "Digital Controls Inc.",           "Little Casino (older)", MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1983, mv4in1,   ltcasino, ltcasino, mv4in1,   ltcasino_state, init_mv4in1, ROT0, "Entertainment Enterprises, Ltd.", "Mini Vegas 4in1",       MACHINE_IMPERFECT_COLORS | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1984, ltcasinn, 0,        ltcasino, ltcasinn, ltcasino_state, empty_init,  ROT0, "Digital Controls Inc.",           "Little Casino (newer)", MACHINE_NOT_WORKING )