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path: root/src/mame/drivers/aristmk4.c
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/*
        Driver: aristmk4

        Manufacturer: Aristocrat Leisure Industries
        Platform: Aristocrat 540 Video ( MK 2.5 Video / MK IV )
        Driver by Palindrome & FraSher

        Technical Notes:

        68B09EP Motorola Processor
        R6545AP for CRT video controller
        UPD43256BCZ-70LL for 32kb of static ram used for 3 way electronic meters / 3 way memory
        U6264A for Standard 8K x 8 bit SRAM used for video buffer
        1 x R65C21P2  PIA - Peripheral Interface Adapter, connects to RTC and sends pulses to mechanical meters
        1 x 6522 VIA - 1 x Rockwell - Versatile Interface Adapter.
        2 x WF19054 = AY3-8910 sound chips driven by the 6522 VIA
        1 x PML 2852 ( programmable logic ) used as address decoder.
        1 x PML 2852 programmed as a PIA


        PIA provides output signals to six mechanical meters.
        It also provides the real time clock DS1287 to the CPU.

        VIA drives the programmable sound generators and generates
        a timing interrupt to the CPU (M6809_FIRQ_LINE)

        The VIA uses Port A to write to the D0-D7 on the AY8910s. Port B hooks first 4 bits up to BC1/BC2/BDIR and A9 on AY1 and A8 on AY2
        The remaining 4 bits are connected to other hardware, read via the VIA.

        The AY8910 named ay1 has writes on PORT B to the ZN434 DA convertor.
        The AY8910 named ay2 has writes to lamps and the light tower on Port A and B. these are implemented via the layout

        *************************************************************************************************************

        27/04/10 - FrasheR
        2 x Sound Chips connected to the 6522 VIA.


        16/05/10 - FrasheR
        Fixed VIA for good. 5010 - 501F.
        Hooked up push button inputs - FrasheR
        Hooked up ports for the PML 2852 U3 - FrasheR

        16/05/10 - Palindrome
        Lamp outputs and layout added - Palindrome
        NVRAM backup - Palindrome

        20/05/10 - Palindrome
        Connected SW7 for BGCOLOUR map select
        Added LK13. 3Mhz or 1.5 Mhz CPU speed select
        Added sound sample for mechanical meter pulse ( aristmk4.zip  ).

        30/5/10 - Palindrome
        Now using mc146818 rtc driver instead of rtc_get_reg.

        19/8/10 - Roberto Fresca.
        Added 3 Bags Full - 5VXFC790 (Victorian).
        Set is now parent. Replaced the bad dumped GFX from NZ set with the new ones,
        since they match 4 of 6 bitplanes. The PROM at U71 is also marked for Fantasy Fortune,
        so maybe is the correct one for this game.

        1/9/10 - Frasher
        Cashcade workaround for topgear

        The mc146818 emulation has issues and is not working correctly.

        - day of week is incorrect
        - day of month is incorrect ( code is using day instead of mday ).
        - hours are not showing up correct in PM and 12 hour mode
        - rtc causes game to freeze if the game is left in audit mode with continuous writes to 0xA reg - 0x80 data )

        TODO:
        1.Create layouts for each game  ( each game is currently using the generic aristmk4.lay for now ).
        - Games may have different button configuration requirements ( ie.. 9 or 5 lines and different bet values )

        2.Extend the driver to use the keno keyboard input for keno games.

        3.Eforest does not work.

        4.Add note acceptor support

        5.Robot test

        6.Provide complete cashcade emulation

        7.Look into cashbox photo-optic fault issues ( reproduced in robo test )

        8.Look into what the hopper probe signal is for.


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

#define MAIN_CLOCK	XTAL_12MHz

#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "video/mc6845.h"
#include "sound/ay8910.h"
#include "machine/6522via.h"
#include "machine/6821pia.h"
#include "machine/8255ppi.h"
#include "deprecat.h"
#include "aristmk4.lh"
#include "state.h"
#include "sound/samples.h"
#include "machine/mc146818.h" // DALLAS1287 is functionally compatible.


int rtc_address_strobe = 0;
int rtc_data_strobe = 0;

running_device *samples;
UINT8 *shapeRomPtr;     // pointer to tile_gfx shape roms
UINT8 shapeRom[0xc000]; // shaperom restore array.

static UINT8 *mkiv_vram;
static UINT8 *nvram;    // backup
static UINT8 psg_data;
static int ay8910_1;
static int ay8910_2;
static int u3_p0_w;
static UINT8 cgdrsw;
static UINT8 ripple;
static int hopper_motor;
static int inscrd;

/* Partial Caschcade protocol */
static int cashcade_p[] ={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf0};
static int cashcade_c = 0;

static VIDEO_START(aristmk4)
{
    int tile;
    for (tile = 0; tile < machine->gfx[0]->total_elements; tile++)
    {
		gfx_element_decode(machine->gfx[0], tile);
    }
}

INLINE void uBackgroundColour(running_machine *machine)
{
    /* SW7 can be set when the main door is open, this allows the colours for the background
        to be adjusted whilst the machine is running.

       There are 4 possible combinations for colour select via SW7, colours vary based on software installed.

    */
    switch(input_port_read(machine, "SW7"))
	{
        case 0x00:
             // restore defaults
             memcpy(shapeRomPtr,shapeRom, sizeof(shapeRom)); // restore defaults, both switches off
                                                             // OE enabled on both shapes
             break;
        case 0x01:
             // unselect U22 via SW7 . OE on U22 is low.
             memset(&shapeRomPtr[0x4000],0xff,0x2000);               // fill unused space with 0xff
             memcpy(&shapeRomPtr[0xa000],&shapeRom[0xa000], 0x2000); // restore defaults here
             break;
        case 0x02:
             // unselect U47 via SW7 . OE on U47 is low.
             memcpy(&shapeRomPtr[0x4000],&shapeRom[0x4000], 0x2000);
             memset(&shapeRomPtr[0xa000],0xff,0x2000);
             break;
        case 0x03:
             // unselect U47 & u22 via SW7. both output enable low.
             memset(&shapeRomPtr[0x4000],0xff,0x2000);
             memset(&shapeRomPtr[0xa000],0xff,0x2000);
             break;
    }
}

static VIDEO_UPDATE(aristmk4)
{
	const gfx_element *gfx = screen->machine->gfx[0];
	int x,y;
	int count = 0;
    int color;
    int tile;
    int bgtile;
    int flipx;
    int flipy;

	for (y=27;y--;)
	{
		for (x=38;x--;)
		{
            color = ((mkiv_vram[count]) & 0xe0) >> 5;
			tile = (mkiv_vram[count+1]|mkiv_vram[count]<<8) & 0x3ff;
			bgtile = (mkiv_vram[count+1]|mkiv_vram[count]<<8) & 0xff; // first 256 tiles
			uBackgroundColour(screen->machine); // read sw7
			gfx_element_decode(gfx, bgtile);    // force the machine to update only the first 256 tiles.
			                                    // as we only update the background, not the entire display.
			flipx = ((mkiv_vram[count]) & 0x04);
			flipy = ((mkiv_vram[count]) & 0x08);
			drawgfx_opaque(bitmap,cliprect,gfx,tile,color,flipx,flipy,(38-x-1)<<3,(27-y-1)<<3);
			count+=2;
		}
	}
	return 0;
}

static READ8_HANDLER(ldsw)
{

   int U3_p2_ret= input_port_read(space->machine, "5002");
   if(U3_p2_ret & 0x1)
   {
        return 0;
   }
   return cgdrsw = input_port_read(space->machine, "CGDRSW");
}

static READ8_HANDLER(cgdrr)
{

   if(cgdrsw) // is the LC closed
   {
        return ripple; // return a positive value from the ripple counter
   }
   return 0x0; // otherwise the counter outputs are set low.
}

static WRITE8_HANDLER(cgdrw)
{

    ripple = data;

}

static WRITE8_HANDLER(u3_p0)
{

	u3_p0_w = data;
	//logerror("u3_p0_w: %02X\n",u3_p0_w);

}

static READ8_HANDLER(u3_p2)
{

    int u3_p2_ret= input_port_read(space->machine, "5002");
    int u3_p3_ret= input_port_read(space->machine, "5003");

    output_set_lamp_value(19, (u3_p2_ret >> 4) & 1); //auditkey light
    output_set_lamp_value(20, (u3_p3_ret >> 2) & 1); //jackpotkey light

    if (u3_p0_w&0x20) // DOPTE on
    {
        if (u3_p3_ret&0x02) // door closed
			u3_p2_ret = u3_p2_ret^0x08; // DOPTI on
	}

    if (inscrd==0)
    {
		inscrd=input_port_read(space->machine, "insertcoin");
	}

    if (inscrd==1)
		u3_p2_ret=u3_p2_ret^0x02;

    return u3_p2_ret;

}





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

PERIPHERAL INTERFACE ADAPTER CONFIGURATION

PORTA - DALLAS DS1287 RTC
PORTB - MECHANICAL METERS

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




/*****************************************************************************/
/* DALLAS DS1287 OR mc146818
******************************************************************************/


//input a


static READ8_HANDLER(mkiv_pia_ina)
{
    return mc146818_port_r(space,1);
}

//output a

static WRITE8_HANDLER(mkiv_pia_outa)
{
    if(rtc_data_strobe)
    {
        mc146818_port_w(space,1,data);
        //logerror("rtc protocol write data: %02X\n",data);

    }
    else
    {
        mc146818_port_w(space,0,data);
        //logerror("rtc protocol write address: %02X\n",data);

    }

}

//output ca2
static WRITE8_DEVICE_HANDLER(mkiv_pia_ca2)
{
     rtc_address_strobe = data;
    // logerror("address strobe %02X\n", address_strobe);
}


//output cb2
static WRITE8_DEVICE_HANDLER(mkiv_pia_cb2)
{
     rtc_data_strobe = data;
     //logerror("data strobe: %02X\n", data);
}



//output b
static WRITE8_DEVICE_HANDLER(mkiv_pia_outb)
{

     UINT8 emet[5];
     int i = 0;
     //pia_data = data;
     emet[0] = data & 0x01;	/* emet1  -  bit 1 - PB0 */
    						/* seren1 -  bit 2 - PB1 */
     emet[1] = data & 0x04; /* emet3  -  bit 3 - PB2 */
     emet[2] = data & 0x08; /* emet4  -  bit 4 - PB3 */
     emet[3] = data & 0x10; /* emet5  -  bit 5 - PB4 */
     emet[4] = data & 0x20; /* emet6  -  bit 6 - PB5 */



     for(i = 0;i<sizeof(emet);i++)
     {
            if(emet[i])
            {
                //logerror("Mechanical meter %d pulse: %02d\n",i+1, emet[i]);
                sample_start(samples,i,0, FALSE); // pulse sound for mechanical meters
            }
     }

}

/* sound interface for playing mechanical meter sound */

static const char *const meter_sample_names[] =
{
    "*aristmk4",
	"tick.wav",
	0
};

static const samples_interface meter_samples_interface =
{
	5,	/* one for each meter - can pulse simultaneously */
	meter_sample_names
};



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

VERSATILE INTERFACE ADAPTER CONFIGURATION

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


static TIMER_CALLBACK(coin_input_reset)
{

	inscrd=0; //reset credit input after 150msec

}

static TIMER_CALLBACK(hopper_reset)
{

	hopper_motor=0x01;

}


// Port A read (SW1)

static READ8_DEVICE_HANDLER(via_a_r)
{
	int psg_ret=0;

    if (ay8910_1&0x03) // SW1 read.
    {
    	psg_ret = ay8910_r(device->machine->device("ay1"), 0);
    	//logerror("PSG porta ay1 returned %02X\n",psg_ret);
    }

	else if (ay8910_2&0x03) //i don't think we read anything from Port A on ay2, Can be removed once game works ok.
	{
		psg_ret = ay8910_r(device->machine->device("ay2"), 0);
		//logerror("PSG porta ay2 returned %02X\n",psg_ret);
	}
	return psg_ret;

}


static READ8_DEVICE_HANDLER(via_b_r)
{

    int ret=input_port_read(device->machine, "via_port_b");

// Not expecting to read anything from port B on the AY8910's ( controls BC1, BC2 and BDIR )
// However there are extra 4 bits not going to the AY8910's on the schematics, which get read from here.
//   OPTA1  - Bit4 - Coin optics - A
//   OPTB1  - Bit5 - Coin optics - B
//   HOPCO1 - Bit6 - Hopper counter
//   CBOPT1 - Bit7 - Cash box optics
/* Coin input... CBOPT2 goes LOW, then the optic detectors OPTA1 / OPTB1 detect the coin passing */
/* The timer causes one credit, per 150ms or so... */

    switch(inscrd)
	{

		case 0x00:
			break;

		case 0x01:
			ret=ret^0x10;
			inscrd++;
			break;

		case 0x02:
			ret=ret^0x20;
			inscrd++;
			timer_set(device->machine, ATTOTIME_IN_MSEC(150), NULL, 0, coin_input_reset);
			break;

		default:
			break; //timer will reset the input
	}


// if user presses collect.. send coins to hopper.

    switch(hopper_motor)
	{
		case 0x00:
			ret=ret^0x40;
			timer_set(device->machine, ATTOTIME_IN_MSEC(175), NULL, 0, hopper_reset);
			hopper_motor=0x02;
			break;
		case 0x01:
			break; //default
		case 0x02:
			ret=ret^0x40;
			break;
		default:
			break;
	}
    return ret;
}


static WRITE8_DEVICE_HANDLER(via_a_w)
{   //via_b_w will handle sending the data to the ay8910, so just write the data for it to use later

	//logerror("VIA port A write %02X\n",data);
	psg_data = data;

}

static WRITE8_DEVICE_HANDLER(via_b_w)
{
	ay8910_1 = ( data & 0x0F ) ; //only need first 4 bits per schematics
                                 //NOTE: when bit 4 is off, we write to AY1, when bit 4 is on, we write to AY2
	ay8910_2 = ay8910_1;

	if ( ay8910_2 & 0x08 ) // is bit 4 on ?
	{
        ay8910_2  = (ay8910_2 | 0x02) ; // bit 2 is turned on as bit 4 hooks to bit 2 in the schematics
        ay8910_1  = 0x00; // write only to ay2
	}
	else
	{
		ay8910_2 = 0x00; // write only to ay1
	}

	//only need bc1/bc2 and bdir so drop bit 4.

	ay8910_1 = (ay8910_1 & 0x07);
	ay8910_2 = (ay8910_2 & 0x07);

	//PSG ay1

	switch(ay8910_1)
	{

		case 0x00:	//INACT -Nothing to do here. Inactive PSG
			break;

		case 0x03:  //READ - Nothing to do here. The read happens in via_a_r
			break;

		case 0x06:  //WRITE
        {
        	ay8910_data_w( device->machine->device("ay1"), 0 , psg_data );
        	//logerror("VIA Port A write data ay1: %02X\n",psg_data);
        	break;
        }

		case 0x07:  //LATCH Address (set register)
        {
        	ay8910_address_w( device->machine->device("ay1"), 0 , psg_data );
        	//logerror("VIA Port B write register ay1: %02X\n",psg_data);
        	break;
        }

		default:
			//logerror("Unknown PSG state on ay1: %02X\n",ay8910_1);
			break;
	}

	//PSG ay2

	switch(ay8910_2)
	{

		case 0x00:	//INACT - Nothing to do here. Inactive PSG
			break;

		case 0x02:	//INACT - '010' Nothing to do here. Inactive PSG. this will only happen on ay2 due to the bit 2 swap on 'inactive'
			break;

		case 0x03:  //READ - Nothing to do here. The read happens in via_a_r
			break;

		case 0x06:  //WRITE
        {
        	ay8910_data_w( device->machine->device("ay2"), 0 , psg_data );
        	//logerror("VIA Port A write data ay2: %02X\n",psg_data);
        	break;
        }

		case 0x07:  //LATCH Address (set register)
        {
            ay8910_address_w( device->machine->device("ay2"), 0 , psg_data );
            //logerror("VIA Port B write register ay2: %02X\n",psg_data);
            break;
        }

		default:
			//logerror("Unknown PSG state on ay2: %02X\n",ay8910_2);
			break;

	}

}

static READ8_DEVICE_HANDLER(via_ca2_r)
{
    //logerror("Via Port CA2 read %02X\n",0) ;
	// CA2 is connected to CDSOL1 on schematics ?

	return 0 ;

}

static READ8_DEVICE_HANDLER(via_cb2_r)
{
    //logerror("Via Port CB2 read %02X\n",0) ;
    // CB2 is connected to HOPMO1 on schematics ?

	return 0 ;

}


static WRITE8_DEVICE_HANDLER(via_ca2_w)
{
    //logerror("Via Port CA2 write %02X\n",data) ;
}


static WRITE8_DEVICE_HANDLER(via_cb2_w)
{
// CB2 = hopper motor (HOPMO1). When it is 0x01, it is not running (active low)
	// when it goes to 0, we're expecting to coins to be paid out, handled in via_b_r
	// as soon as it is 1, HOPCO1 to remain 'ON'

	if (data==0x01)
		hopper_motor=data;
	else if (hopper_motor<0x02)
		hopper_motor=data;
}


// Lamp output

static WRITE8_DEVICE_HANDLER(pblp_out)
{
    output_set_lamp_value(1, (data) & 1);
    output_set_lamp_value(5, (data >> 1) & 1);
    output_set_lamp_value(9, (data >> 2) & 1);
    output_set_lamp_value(11,(data >> 3) & 1);
    output_set_lamp_value(3, (data >> 4) & 1);
    output_set_lamp_value(4, (data >> 5) & 1);
    output_set_lamp_value(2, (data >> 6) & 1);
    output_set_lamp_value(10,(data >> 7) & 1);

    //logerror("Lights port A %02X\n",data);
}

static WRITE8_DEVICE_HANDLER(pbltlp_out)
{
    output_set_lamp_value(8,  (data) & 1);
    output_set_lamp_value(12, (data >> 1) & 1);
    output_set_lamp_value(6,  (data >> 2) & 1);
    output_set_lamp_value(7,  (data >> 3) & 1);
    output_set_lamp_value(14, (data >> 4) & 1); // light tower
    output_set_lamp_value(15, (data >> 5) & 1); // light tower
    output_set_lamp_value(16, (data >> 6) & 1); // light tower
    output_set_lamp_value(17, (data >> 7) & 1); // light tower

    //logerror("Lights port B: %02X\n",data);
}

static WRITE8_HANDLER(mlamps)
{
    /* TAKE WIN AND GAMBLE LAMPS */
    output_set_lamp_value(18, (data >> 5) & 1);
    output_set_lamp_value(13, (data >> 6) & 1);

}


static WRITE8_DEVICE_HANDLER(zn434_w)
{

	// Introducted to prevent warning in log for write to AY1 PORT B
	// this is a write to the ZN434 DA convertors..

}


static READ8_HANDLER(cashcade_r)
{
	/* work around for cashcade games */
	return cashcade_p[(cashcade_c++)%15];
}

static WRITE8_HANDLER(mk4_printer_w)
{
	//logerror("Printer: %c %d\n",data,data);
}

static READ8_HANDLER(mk4_printer_r)
{
	return 0;
}

static ADDRESS_MAP_START( aristmk4_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x07ff) AM_RAM AM_BASE(&mkiv_vram) // video ram -  chips U49 / U50
	AM_RANGE(0x0800, 0x17ff) AM_RAM
	AM_RANGE(0x1800, 0x1801) AM_DEVREADWRITE("crtc", mc6845_register_r, mc6845_register_w)
	AM_RANGE(0x1c00, 0x1cff) AM_WRITE(mk4_printer_w)
	AM_RANGE(0x1900, 0x19ff) AM_READ(mk4_printer_r)
	AM_RANGE(0x2000, 0x3fff) AM_ROM  // graphics rom map
	AM_RANGE(0x4000, 0x4fff) AM_RAMBANK("bank1") AM_BASE_SIZE_GENERIC(nvram)

	AM_RANGE(0x5000, 0x5000) AM_WRITE(u3_p0)
	AM_RANGE(0x5002, 0x5002) AM_READ(u3_p2)
	AM_RANGE(0x5003, 0x5003) AM_READ_PORT("5003")
	AM_RANGE(0x5005, 0x5005) AM_READ(ldsw)
	AM_RANGE(0x500d, 0x500d) AM_READ_PORT("500d")
	AM_RANGE(0x500e, 0x500e) AM_READ_PORT("500e")
	AM_RANGE(0x500f, 0x500f) AM_READ_PORT("500f")
	AM_RANGE(0x5010, 0x501f) AM_DEVREADWRITE("via6522_0",via_r,via_w)
	AM_RANGE(0x5200, 0x5200) AM_READ(cashcade_r)
	AM_RANGE(0x5201, 0x5201) AM_READ_PORT("5201")
	AM_RANGE(0x527f, 0x5281) AM_DEVREADWRITE("ppi8255_0", ppi8255_r, ppi8255_w)
	AM_RANGE(0x5300, 0x5300) AM_READ_PORT("5300")
	AM_RANGE(0x5380, 0x5383) AM_DEVREADWRITE("pia6821_0",pia6821_r,pia6821_w)  // RTC data - PORT A , mechanical meters - PORTB ??
	AM_RANGE(0x5440, 0x5440) AM_WRITE(mlamps) // take win and gamble lamps
	AM_RANGE(0x5468, 0x5468) AM_READWRITE(cgdrr,cgdrw) // 4020 ripple counter outputs
	AM_RANGE(0x6000, 0xffff) AM_ROM  // game roms
ADDRESS_MAP_END

static INPUT_PORTS_START(aristmk4)

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

    PORT_START("via_port_b")
    PORT_DIPNAME( 0x40, 0x40, "HOPCO1" )
    PORT_DIPSETTING(    0x40, DEF_STR( On ) ) PORT_DIPLOCATION("AY:3")
    PORT_DIPNAME( 0x80, 0x80, "CBOPT1" )
    PORT_DIPSETTING(    0x80, DEF_STR( On ) ) PORT_DIPLOCATION("AY:4")

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

    5002

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

    PORT_START("5002")
	PORT_DIPNAME( 0x01, 0x00, "HOPCO2") // coins out hopper 2 , why triggers logic door ?
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5002:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "CBOPT2") // coin in cash box 2
	PORT_DIPSETTING(    0x02, DEF_STR( On ) ) PORT_DIPLOCATION("5002:2")
	PORT_DIPNAME( 0x04, 0x00, "HOPHI2") // hopper 2 full
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5002:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, "DOPTI")  // photo optic door
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("AUDTSW") PORT_TOGGLE PORT_CODE(KEYCODE_K)
	PORT_DIPNAME( 0x20, 0x00, "HOPLO1") // hopper 1 low
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5002:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "HOPLO2") // hopper 2 low
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5002:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("ROBO/HOP RESET - PB6") PORT_CODE(KEYCODE_Z)


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

    5003

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

    PORT_START("5003")
	PORT_DIPNAME( 0x01, 0x00, "OPTAUI") // opto audit in
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("DSWDT") PORT_TOGGLE PORT_CODE(KEYCODE_M) // main door switch
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("JKPTSW") PORT_TOGGLE PORT_CODE(KEYCODE_J) // jackpot reset switch
	PORT_DIPNAME( 0x08, 0x00, "HOPHI1") // hopper 1 full
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, "OPTA2") // coin in a2
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, "OPTB2") // coin in b2
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "PTRTAC") // printer taco
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "PTRHOM") // printer home
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5003:8")
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

    PORT_START("5300")
	PORT_DIPNAME( 0x01, 0x00, "5300-1")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "5300-2")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, "5300-3")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, "5300-4")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, "5300-5")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "5300-6")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "5300-7")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "5300-8")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5300:8") // mechanical meter
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("500d")
    PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("5 CREDITS PER LINE") PORT_CODE(KEYCODE_T) // 5 credits per line
    PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("10 CREDITS PER LINE") PORT_CODE(KEYCODE_Y) // 10 credits per line
    PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("COLLECT") PORT_CODE(KEYCODE_Q)
    PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("RESERVE") PORT_CODE(KEYCODE_A) // reserve
    PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("GAMBLE") PORT_CODE(KEYCODE_U) // auto gamble & gamble
    PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("TAKE WIN") PORT_CODE(KEYCODE_J)
    PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("0-7") PORT_CODE(KEYCODE_U)
    PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("0-8") PORT_CODE(KEYCODE_I)

    PORT_START("500e")
    PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1 CREDIT PER LINE") PORT_CODE(KEYCODE_W) // 1 credit per line
    PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PLAY 1") PORT_CODE(KEYCODE_S)
    PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2 CREDITS PER LINE") PORT_CODE(KEYCODE_E) // 2 credits per line
    PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PLAY 9") PORT_CODE(KEYCODE_H)
    PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("3 CREDITS PER LINE") PORT_CODE(KEYCODE_R) // 3 credits per line
    PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PLAY 7") PORT_CODE(KEYCODE_G)
    PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PLAY 5") PORT_CODE(KEYCODE_F)
    PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PLAY 3") PORT_CODE(KEYCODE_D)

    PORT_START("500f")
    PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2-1") PORT_CODE(KEYCODE_1)
    PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2-2") PORT_CODE(KEYCODE_2)
    PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2-3") PORT_CODE(KEYCODE_3)
    PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("AUX - PB5") PORT_CODE(KEYCODE_X)
    PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("MEM TEST - PB4") PORT_CODE(KEYCODE_C)
    PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("HOPPER TEST - PB3") PORT_CODE(KEYCODE_V)
    PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("PRINT DATA - PB2") PORT_CODE(KEYCODE_B)
    PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("CLOCK INIT - PB1") PORT_CODE(KEYCODE_N)

	PORT_START("5200")
	PORT_DIPNAME( 0x01, 0x00, "5200-1")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "5200-2")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, "5200-3")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, "5200-4")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, "5200-5")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "5200-6")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "5200-7")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "5200-8")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5200:8")
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("5201")
	PORT_DIPNAME( 0x01, 0x00, "5201-1")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "5201-2")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, "5201-3")
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, "5201-4") //fixes link offline error
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, "5201-5")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "5201-6")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "5201-7")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "5201-8")
	PORT_DIPSETTING(    0X00, DEF_STR( Off ) ) PORT_DIPLOCATION("5201:8")
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )



	PORT_START("insertcoin")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_NAME("Insert Credit")

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

    Logic Door switch

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

    PORT_START("CGDRSW")
    PORT_DIPNAME( 0x10, 0x10, "CGDRSW" ) PORT_DIPLOCATION("CGDRSW:1")	/* toggle switch */
    PORT_DIPSETTING(    0x00, "Open" )
	PORT_DIPSETTING(    0x10, "Closed" )

	/************************************** LINKS ***************************************************************/

    PORT_START("LK13")
    PORT_DIPNAME( 0x10, 0x10, "Speed Select" ) PORT_DIPLOCATION("LK13:1")
    PORT_DIPSETTING(    0x00, "3 Mhz" )
	PORT_DIPSETTING(    0x10, "1.5 Mhz" )


	/********************************* Dip switch for background color *************************************************/

	PORT_START("SW7")
	PORT_DIPNAME( 0x01, 0x01, "SW7 - U22 BG COLOR" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW7:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "SW7 - U47 BG COLOR" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW7:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )


	/********************************* 9 way control rotary switches ***************************************************/

	PORT_START("SW3")
    PORT_DIPNAME( 0x0f, 0x00, "SW3 - M/C NO" )
	PORT_DIPSETTING(    0x00, "0" )
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x04, "4" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x06, "6" )
	PORT_DIPSETTING(    0x07, "7" )
	PORT_DIPSETTING(    0x08, "8" )
	PORT_DIPSETTING(    0x09, "9" )

	PORT_START("SW4")
    PORT_DIPNAME( 0x0f, 0x00, "SW4 - M/C NO" )
	PORT_DIPSETTING(    0x00, "0" )
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x04, "4" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x06, "6" )
	PORT_DIPSETTING(    0x07, "7" )
	PORT_DIPSETTING(    0x08, "8" )
	PORT_DIPSETTING(    0x09, "9" )

	PORT_START("SW5")
    PORT_DIPNAME( 0x0f, 0x00, "SW5 - M/C NO" )
	PORT_DIPSETTING(    0x00, "0" )
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x04, "4" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x06, "6" )
	PORT_DIPSETTING(    0x07, "7" )
	PORT_DIPSETTING(    0x08, "8" )
	PORT_DIPSETTING(    0x09, "9" )

	PORT_START("SW6")
    PORT_DIPNAME( 0x0f, 0x00, "SW6 - M/C NO" )
	PORT_DIPSETTING(    0x00, "0" )
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x04, "4" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x06, "6" )
	PORT_DIPSETTING(    0x07, "7" )
	PORT_DIPSETTING(    0x08, "8" )
	PORT_DIPSETTING(    0x09, "9" )

	/***************** DIP SWITCHES **********************************************************************/

    PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x00, "DSW1 - Maxbet rejection" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "DSW1 - Hopper pay limit - S1" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, "DSW1 - Hopper pay limit - S2" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, "DSW1 - Hopper pay limit - S3" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off) )  PORT_DIPLOCATION("SW1:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, "DSW1 - Cash credit option" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, "DSW1 - Link Jackpot - S1" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "DSW1 - Link Jackpot - S2" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "DSW1 - Auto spin" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW1:8")
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x01, 0x00, "DSW2 - Maximum credit - S1" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:1")
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x00, "DSW2 - Maximum credit - S2" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:2")
	PORT_DIPSETTING(    0x02, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x00, "DSW2 - Maximum credit - S3" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, "DSW2 - Jackpot limit - S1" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off) )  PORT_DIPLOCATION("SW2:4")
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, "DSW2 - Jackpot limit - S2" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:5")
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, "DSW2 - Jackpot limit - S3" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:6")
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "DSW2 - Auto J/P payout" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:7")
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x00, "DSW2 - Unconnected" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) ) PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )


INPUT_PORTS_END


static const gfx_layout layout8x8x6 =
{
	8,8,
	RGN_FRAC(1,6),
	6,
	{
		RGN_FRAC(5,6),
		RGN_FRAC(2,6),
		RGN_FRAC(4,6),
		RGN_FRAC(1,6),
		RGN_FRAC(3,6),
		RGN_FRAC(0,6)
	},
	{ STEP8(0,1) },
	{ STEP8(0,8) },
	8*8
};

static GFXDECODE_START(aristmk4)
	GFXDECODE_ENTRY("tile_gfx",0x0,layout8x8x6, 0, 8 )
GFXDECODE_END

static const ay8910_interface ay8910_config1 =
{
	AY8910_LEGACY_OUTPUT,
	AY8910_DEFAULT_LOADS,
	DEVCB_INPUT_PORT("DSW1"),
    DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_HANDLER(zn434_w) // Port write to set Vout of the DA convertors ( 2 x ZN434 )
};

static const ay8910_interface ay8910_config2 =
{
	AY8910_LEGACY_OUTPUT,
	AY8910_DEFAULT_LOADS,
	DEVCB_NULL, // Port A read
	DEVCB_NULL, // Port B read
	DEVCB_HANDLER(pblp_out),   // Port A write - goes to lamps on the buttons x8
	DEVCB_HANDLER(pbltlp_out)  // Port B write - goes to lamps on the buttons x4 and light tower x4
};

static WRITE8_DEVICE_HANDLER(firq)
{
       cputag_set_input_line(device->machine, "maincpu", M6809_FIRQ_LINE, data ? ASSERT_LINE : CLEAR_LINE);
}

static const via6522_interface via_interface =
{
	/*inputs : A/B               */ DEVCB_HANDLER(via_a_r),DEVCB_HANDLER(via_b_r),
	/*inputs : CA/B1,CA/B2       */ DEVCB_NULL,DEVCB_NULL,DEVCB_HANDLER(via_ca2_r),DEVCB_HANDLER(via_cb2_r),
	/*outputs: A/B               */ DEVCB_HANDLER(via_a_w), DEVCB_HANDLER(via_b_w),
	/*outputs: CA/B1,CA/B2       */ DEVCB_NULL,DEVCB_NULL,DEVCB_HANDLER(via_ca2_w),DEVCB_HANDLER(via_cb2_w),
	/*irq                        */ DEVCB_HANDLER(firq)

	// CA1 is connected to +5V, CB1 is not connected.
};

static const pia6821_interface aristmk4_pia1_intf =
{
    DEVCB_MEMORY_HANDLER("maincpu",PROGRAM,mkiv_pia_ina),     /* port A in */
	DEVCB_NULL, 	/* port B in */
    DEVCB_NULL,     /* line CA1 in */
    DEVCB_NULL,     /* line CB1 in */
    DEVCB_NULL,     /* line CA2 in */
    DEVCB_NULL,     /* line CB2 in */
    DEVCB_MEMORY_HANDLER("maincpu",PROGRAM,mkiv_pia_outa),     /* port A out */
    DEVCB_HANDLER(mkiv_pia_outb),     /* port B out */
    DEVCB_HANDLER(mkiv_pia_ca2),     /* line CA2 out */
    DEVCB_HANDLER(mkiv_pia_cb2),     /* port CB2 out */
    DEVCB_NULL,       /* IRQA */
    DEVCB_NULL        /* IRQB */
};

static const mc6845_interface mc6845_intf =
{
	/* in fact is a mc6845 driving 4 pixels by memory address.
       that's why the big horizontal parameters */

	"screen",	/* screen we are acting on */
	4,			/* number of pixels per video memory address */
	NULL,		/* before pixel update callback */
	NULL,		/* row update callback */
	NULL,		/* after pixel update callback */
	DEVCB_NULL,	/* callback for display state changes */
	DEVCB_NULL,	/* callback for cursor state changes */
	DEVCB_NULL,	/* HSYNC callback */
	DEVCB_NULL,	/* VSYNC callback */
	NULL		/* update address callback */
};

/* read m/c number */

static READ8_DEVICE_HANDLER(pa1_r)
{
	return (input_port_read(device->machine, "SW3") << 4) + input_port_read(device->machine, "SW4");
}

static READ8_DEVICE_HANDLER(pb1_r)
{
	return (input_port_read(device->machine, "SW5") << 4) + input_port_read(device->machine, "SW6");
}

static READ8_DEVICE_HANDLER(pc1_r)
{
    return 0;
}

static const ppi8255_interface ppi8255_intf1 =
{
	DEVCB_HANDLER(pa1_r),
	DEVCB_HANDLER(pb1_r),
	DEVCB_HANDLER(pc1_r),
	DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_NULL,
};

/* same as Casino Winner HW */
static PALETTE_INIT( aristmk4 )
{
	int i;

	for (i = 0;i < machine->total_colors();i++)
	{
		int bit0,bit1,bit2,r,g,b;

		bit0 = (color_prom[0] >> 0) & 0x01;
		bit1 = (color_prom[0] >> 1) & 0x01;
		b = 0x4f * bit0 + 0xa8 * bit1;
		bit0 = (color_prom[0] >> 2) & 0x01;
		bit1 = (color_prom[0] >> 3) & 0x01;
		bit2 = (color_prom[0] >> 4) & 0x01;
		g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
		bit0 = (color_prom[0] >> 5) & 0x01;
		bit1 = (color_prom[0] >> 6) & 0x01;
		bit2 = (color_prom[0] >> 7) & 0x01;
		r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;

		palette_set_color(machine, i, MAKE_RGB(r, g, b));
		color_prom++;
	}
}



static DRIVER_INIT( aristmk4 )
{
    mc146818_init(machine, MC146818_IGNORE_CENTURY);
	shapeRomPtr = (UINT8 *)memory_region(machine, "tile_gfx");
    memcpy(shapeRom,shapeRomPtr,sizeof(shapeRom)); // back up
}

static MACHINE_START( aristmk4 )
{

	samples = machine->device("samples");
    state_save_register_global_pointer(machine, nvram,0x1000); // nvram
}


static MACHINE_RESET( aristmk4 )
{
    /* mark 4 has a link on the motherboard to switch between 1.5Mhz and 3Mhz clock speed */
    switch(input_port_read(machine, "LK13"))  // cpu speed control... 3mhz or 1.5mhz
    {
        case  0x00:
            machine->device("maincpu")->set_unscaled_clock(MAIN_CLOCK/4);  // 3 Mhz
            break;
        case  0x10:
            machine->device("maincpu")->set_unscaled_clock(MAIN_CLOCK/8);  // 1.5 Mhz
            break;
    }

}


static MACHINE_CONFIG_START( aristmk4, driver_device )

	/* basic machine hardware */
	MDRV_CPU_ADD("maincpu", M6809, MAIN_CLOCK/8) // 1.5mhz (goldenc needs a bit faster for some reason)
	MDRV_CPU_PROGRAM_MAP(aristmk4_map)
	MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)
	MDRV_MACHINE_START(aristmk4)
	MDRV_NVRAM_HANDLER( mc146818 )
    MDRV_MACHINE_RESET(aristmk4 )
	MDRV_NVRAM_HANDLER(generic_0fill)

    /* video hardware */
	MDRV_SCREEN_ADD("screen", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(320, 256)
	MDRV_SCREEN_VISIBLE_AREA(0, 304-1, 0, 216-1)	/* from the crtc registers... updated by crtc */

	MDRV_GFXDECODE(aristmk4)
	MDRV_PALETTE_LENGTH(512)
	MDRV_PALETTE_INIT(aristmk4)

	MDRV_VIDEO_START(aristmk4)
	MDRV_VIDEO_UPDATE(aristmk4)

	MDRV_PPI8255_ADD( "ppi8255_0", ppi8255_intf1 )
	MDRV_VIA6522_ADD("via6522_0", 0, via_interface)	/* 1 MHz.(only 1 or 2 MHz.are valid) */
	MDRV_PIA6821_ADD("pia6821_0", aristmk4_pia1_intf)
    MDRV_MC6845_ADD("crtc", MC6845, MAIN_CLOCK/8, mc6845_intf)

    MDRV_SPEAKER_STANDARD_MONO("mono")

    // the Mark IV has X 2 AY8910 sound chips which are tied to the VIA
    MDRV_SOUND_ADD("ay1", AY8910 , MAIN_CLOCK/8)
    MDRV_SOUND_CONFIG(ay8910_config1)
    MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)

    MDRV_SOUND_ADD("ay2", AY8910 , MAIN_CLOCK/8)
    MDRV_SOUND_CONFIG(ay8910_config2)
    MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40)

    MDRV_SOUND_ADD("samples", SAMPLES, 0)
    MDRV_SOUND_CONFIG(meter_samples_interface)
    MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.05)


MACHINE_CONFIG_END

ROM_START( 3bagflvt )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("3_bag_full_video_sound.u59",  0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("5vxfc790_3_bag_full_1-2.u87", 0x06000, 0x2000, CRC(79ee932f) SHA1(de85de107310315b69bd7564f1921c7501b679b2)) // game code
	ROM_LOAD("5vxfc790_3_bag_full_2-2.u86", 0x08000, 0x8000, CRC(b6185f3b) SHA1(db642d7b1d1fd93483642bae518eb99a3e99aec9)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("1vlsh224_3_bag_full_1-6.u20", 0x00000, 0x2000, CRC(b02d4ce8) SHA1(eace41f870bfbc253124efd72f1c7d6021f2e99f)) // gfx
	ROM_LOAD("1vlsh224_3_bag_full_3-6.u21", 0x02000, 0x2000, CRC(06218c95) SHA1(cbda8e50fd4e9c8a3c51a006921a85d4bfaa6f78))
	ROM_LOAD("1vlsh224_3_bag_full_5-6.u22", 0x04000, 0x2000, CRC(191e73f1) SHA1(e6d510b155f9cd3427a70346e5ff28969309be4e))
	ROM_LOAD("1vlsh224_3_bag_full_2-6.u45", 0x06000, 0x2000, CRC(054c55cb) SHA1(3df1893095f867220f3d6a52a40bcdffbfc8b529))
	ROM_LOAD("1vlsh224_3_bag_full_4-6.u46", 0x08000, 0x2000, CRC(f33970b3) SHA1(8814a4d29383545c7c48e5b44f16a53e38b67fc3))
	ROM_LOAD("1vlsh224_3_bag_full_6-6.u47", 0x0a000, 0x2000, CRC(609ecf9e) SHA1(9d819bb71f62eb4dd1b3d71748e87c7d77e2afe6))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("1cm48.u71", 0x0000, 0x0200, CRC(81daeeb0) SHA1(7dfe198c6def5c4ae4ecac488d65c2911fb3a890))
ROM_END

ROM_START( 3bagflnz )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(ba97a469) SHA1(fee56fe7116d1f1aab2b0f2526101d4eb87f0bf1)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(c632c7c7) SHA1(f3090d037f71a0cf099bb55abbc509cf95f0cbba)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )	/* GFX from parent set. They match 4 of 6 bitplanes */
	ROM_LOAD("1vlsh224_3_bag_full_1-6.u20", 0x00000, 0x2000, CRC(b02d4ce8) SHA1(eace41f870bfbc253124efd72f1c7d6021f2e99f)) // gfx
	ROM_LOAD("1vlsh224_3_bag_full_3-6.u21", 0x02000, 0x2000, CRC(06218c95) SHA1(cbda8e50fd4e9c8a3c51a006921a85d4bfaa6f78))
	ROM_LOAD("1vlsh224_3_bag_full_5-6.u22", 0x04000, 0x2000, CRC(191e73f1) SHA1(e6d510b155f9cd3427a70346e5ff28969309be4e))
	ROM_LOAD("1vlsh224_3_bag_full_2-6.u45", 0x06000, 0x2000, CRC(054c55cb) SHA1(3df1893095f867220f3d6a52a40bcdffbfc8b529))
	ROM_LOAD("1vlsh224_3_bag_full_4-6.u46", 0x08000, 0x2000, CRC(f33970b3) SHA1(8814a4d29383545c7c48e5b44f16a53e38b67fc3))
	ROM_LOAD("1vlsh224_3_bag_full_6-6.u47", 0x0a000, 0x2000, CRC(609ecf9e) SHA1(9d819bb71f62eb4dd1b3d71748e87c7d77e2afe6))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( blkrhino )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(7aed16f5) SHA1(0229387e352da8e7278e5bc5c61079742d05d900)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(4739f0f0) SHA1(231b6ad26b6b5d413dbd0a23257e86814978449b)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(0559fe98) SHA1(2ffb7b3ce3b7ba3bd846cae514b66b1c1a3be91f)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(c0b94f7b) SHA1(8fc3bc53c532407b77682e5e9ac6a625081d22a3))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(2f4f0fe5) SHA1(b6c75bd3b6281a2de7bfea8162c39d58b0e8fa32))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(e483b4cd) SHA1(1cb3f77e7d470d7dcd8e50a0f59298d5546e8b58))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(4a0ce91d) SHA1(e2f853c69fb256870c9809cdfbba2b40b47a0004))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(b265276e) SHA1(8fc0b7a0c12549b4138c51eb91b74f13282909dd))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( coralr2 )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(f51e541b) SHA1(00f5b9019cdae77d4b5745156b92343d22ad3a6e)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(d8d27f65) SHA1(19aec2a29e9d3ecbd8ecfd74ae60cfbf197d2faa)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(5156f5ec) SHA1(8b4d0699b4477531d513e21f549fcc0ee6ea82ee)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(bf27732a) SHA1(9383dfc37c5c3ad0d628f2134f010e977e25ef39))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(a563c2fa) SHA1(10dab35515e2d8332d114a5f103343403334a65f))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(73814767) SHA1(91c77d7b634bd8a5c32e0ceeb54a8bbeedfe8130))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(e13ec0ed) SHA1(80d5ef2d980a8fe1f2bb28b512022518ffc82de1))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(30e88bb4) SHA1(dfcd21c6fc50123dfcc0e60429948c650a6de625))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( eforest )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(b2f79725) SHA1(66842130b49276bda91e211514af0ab074d2c283)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(547207f3) SHA1(aedae50abb4cffa0434abfe606a11fbbba037197)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(00446ff1) SHA1(e37e2782669667efab07ab3cd4e2c9f87770add5)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(75670af6) SHA1(c6ce3dcc9e46ebdee65220cc0e0c8b43ee786ec0))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(531378f3) SHA1(7ce52ccfb38c8078eeb77e43cff8e426bd8d4d0f))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(e4dd4c72) SHA1(caeb1f754bcb7304b9a61786fb818eea7714808f))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(75ad8e3f) SHA1(87812850f08f8ad3057d0e5a2a20ad8acba01a26))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(af9f9869) SHA1(1dac81470889a5fc5b58f3ad0c8dfa1369a800e8))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( eforesta )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("a_u87.bin", 0x06000, 0x2000, CRC(03c2890f) SHA1(10d479b7ccece813676ad815a96169bbf259c49d)) // game code
	ROM_LOAD("a_u86.bin", 0x08000, 0x8000, CRC(36125194) SHA1(dc681dc60b25893ca3ee101f6813c22b914771f5)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(00446ff1) SHA1(e37e2782669667efab07ab3cd4e2c9f87770add5)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(75670af6) SHA1(c6ce3dcc9e46ebdee65220cc0e0c8b43ee786ec0))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(531378f3) SHA1(7ce52ccfb38c8078eeb77e43cff8e426bd8d4d0f))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(e4dd4c72) SHA1(caeb1f754bcb7304b9a61786fb818eea7714808f))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(75ad8e3f) SHA1(87812850f08f8ad3057d0e5a2a20ad8acba01a26))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(af9f9869) SHA1(1dac81470889a5fc5b58f3ad0c8dfa1369a800e8))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( eforestb )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(49b9c5ef) SHA1(bd1761f41ddb3f19b6b923de77743a2b5ec078e1)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(a3eb0c09) SHA1(5a0947f2f36a87dffe4041fbaebaabb1c694bafe)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(bf3a23b0) SHA1(00405e0c0ac03ecffba1077bacf61265cca72130)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(ba171964) SHA1(7d43559965f467f07419f77d07d7d34ae60d2e90))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(531378f3) SHA1(7ce52ccfb38c8078eeb77e43cff8e426bd8d4d0f))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(e4dd4c72) SHA1(caeb1f754bcb7304b9a61786fb818eea7714808f))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(a3ca69b0) SHA1(c4bdd8afbb4d076f07d4a14a7e7ac8907a0cb7ec))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(af9f9869) SHA1(1dac81470889a5fc5b58f3ad0c8dfa1369a800e8))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( goldenc )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(11b569f7) SHA1(270e1be6bf2a75400af174ceb65436bb6a381a62)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(9714b080) SHA1(41c7d840f600ddff31794ebe949f89c89bd4f2ad)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(d4b18412) SHA1(a42a06dbfc55730b27b3857646bfa34ae0e3cb32)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(80e22d51) SHA1(5e187070d300209e31f603aa561011e17d4305d2))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(1f84ed74) SHA1(df2af247972d6540fd4aac31b51f3aa44248061c))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(9d267ef1) SHA1(3781e63552036dc7613b21704a4456ddfb67433f))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(a3ca369e) SHA1(e3076c9f3017991b93214bebf7f5227d995eeda1))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(844fa43b) SHA1(b8ef6cc2aca955f41b15cd8e3c281eee4b611e80))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( swtht2nz )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(ae10c63f) SHA1(80e5aca4dec7d2503bf7be81ed8b761ebbe4c174)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(053e71f0) SHA1(4a45bd11b53347be90402cea7bd94a648d6b8129)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", ROMREGION_ERASEFF)
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(1e38dfc3) SHA1(40a75fc35ebd49ea9c21cb42c30a2aba988c3139)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(77caf3fa) SHA1(559898ccffffd8f59c555722dea75600c823997f))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(76babc55) SHA1(0902497ad2222490a690fe77feacc350d2997403))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(da9514b5) SHA1(d63562095cec463864dfd2c580aa93f45adef853))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(4d03c73f) SHA1(7ae629a90feb87019cc01ecef804c5ba28861f00))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(c51e37bb) SHA1(8f3d9b61926fe21089559736b3458fe3b84618f2))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( kgbird )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(5e7c1762) SHA1(2e80be06c7737aca304d46f3c3f1efd24c570cfd)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(3450c544) SHA1(f8883ce3b4bd9073ec6bc985f4666b46f17de092)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(df737d57) SHA1(2ec7efe55938ee11376d12d51516c4094ad3fc01)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(8e9a65d9) SHA1(e305b8d75b9666377498abf3e2801033effb969b))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(5614ee55) SHA1(3eb3872aa8d2b8c2bd798fd46cc715c64bf35714))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(cf496cf2) SHA1(cf097835b5f3d5a656ff84063c54d6b1d40703cd))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(e155c8d4) SHA1(9c50152dd420d545a88eaea98c2dd2ef49cf056a))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(f91b66ba) SHA1(4f5d0f0562c6a6029ad6d76507091a159983d6f4))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(ef25f5cc) SHA1(51d12f4b8b8712cbd18ec97ec04e1340cd85fc67))
ROM_END

ROM_START( kgbirda )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(21c05874) SHA1(9ddcd34817bc6f88cb2a94374e492d29dd56fb9a)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(3450c544) SHA1(f8883ce3b4bd9073ec6bc985f4666b46f17de092)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(df737d57) SHA1(2ec7efe55938ee11376d12d51516c4094ad3fc01)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(8e9a65d9) SHA1(e305b8d75b9666377498abf3e2801033effb969b))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(5614ee55) SHA1(3eb3872aa8d2b8c2bd798fd46cc715c64bf35714))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(cf496cf2) SHA1(cf097835b5f3d5a656ff84063c54d6b1d40703cd))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(e155c8d4) SHA1(9c50152dd420d545a88eaea98c2dd2ef49cf056a))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(f91b66ba) SHA1(4f5d0f0562c6a6029ad6d76507091a159983d6f4))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(ef25f5cc) SHA1(51d12f4b8b8712cbd18ec97ec04e1340cd85fc67))
ROM_END

ROM_START( phantomp )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(84e8eeb5) SHA1(95dcbae79b42463480fb3dd2594570070ba1a3ef)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(a6aa3d6f) SHA1(64d97c52355d5d0faebe1ee704f6ad46cc90f0f1)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(0f73cf57) SHA1(f99aa9671297d8cefeff86e642af5ea3e7f6f6fb)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(2449d69e) SHA1(181d7d093dce1acc332255cab5d56a9043bcab47))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(5cb0f179) SHA1(041f7baa5a36f544a98832753ff54ca5238f12c5))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(75f94143) SHA1(aac2b0bee1a0d83b25c6fd21f00803209b621543))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(6ead5ffc) SHA1(1611d5e2dd5ea06525b6079577a45e713a8065d5))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(c1fb4f23) SHA1(6c9a4e52bd0312c9b49f91a1f563fecd87e5bb82))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( topgear )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(5628f477) SHA1(8517905b4d4174fea79e2e3ed38c80fcc6506c6a)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(d5afa54e) SHA1(4268c0ddb9beab68348ba520d47bea64b875d8a7)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(e3163956) SHA1(b3b55be33fad96858dc683860d72c81ed02b3d97)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(9ce936cb) SHA1(cca6ec0190a61cb0b52fbe1b11fb678f5e0960df))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(972f091a) SHA1(b94a04e9503fb6f1a687c854076cfc9629ed7b6a))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(27fd4204) SHA1(0d082a4297a384c992188dd43be0ecb706117c13))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(186f3e3b) SHA1(57f82a79a3d24090f33f5525207d6697e954cdf5))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(dc7d2dab) SHA1(16d223f28b377fafb478d6124fc0eb6d7dd7d591))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( wtigernz )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(9492b242) SHA1(26bb14cba8e8c3cdbcb4b4903da9592b0a1f8cb3)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(f639ef56) SHA1(5d49deee95df29cd4f5c69fea01bb752aaf2ce99)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(08624625) SHA1(3c052220b171f8ef009484f0ea38074b538f542b)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(4bce2fa1) SHA1(8c25cd51ea61a4a9ff1238d1617e38b2cd298c53))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(da141f20) SHA1(e0ebeeff2e085a30032d29748f5aa6116428aaa8))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(13783f87) SHA1(662f6afdd027c3d139d7dfcd45a4a2a5a2bf2101))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(7dfd06ec) SHA1(51fbc3d24e270edb8de432a99ca28695e42e72a6))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(177a45ea) SHA1(6b044f88c79de571a007fb71ff2f99587babe474))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( ffortune )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(45047c35) SHA1(4af572a23bca33a360c4711f24fb113167f90447)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(9a8b0eae) SHA1(ffd0419566c2352e3d750040405a760bd75c87d5)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(f8bad3c2) SHA1(c3cffeaa34c9c7e8127f69cd1dcbc9d56bd32ed9)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(7caba194) SHA1(b0f3f4464ba6a89b572c257b87939457d4f0b2d4))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(195967f0) SHA1(f76ba3c4e8b12d480ab1e4c1147bd7971ce8d688))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(dc44c3ab) SHA1(74f6230798832f321f7c53c161eac6c552689113))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(b0a04c83) SHA1(57247867db6417c525c4c3cdcc409523037e00fd))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(cd24ee39) SHA1(12798e14f7f6308e130da824ffc7c577a36cef04))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END

ROM_START( autmoon )

	ROM_REGION(0x10000, "maincpu", 0 )
	 /* VIDEO AND SOUND EPROM */
	ROM_LOAD("u59.bin", 0x02000, 0x2000, CRC(84226547) SHA1(df9c2c01a7ac4d930c06a8c4863853ddb1a2adbe)) // sound and video rom

	 /* GAME EPROMS */
	ROM_LOAD("u87.bin", 0x06000, 0x2000, CRC(30ca1eed) SHA1(540635a8b94c14aefa1d8404226d9e1046776111)) // game code
	ROM_LOAD("u86.bin", 0x08000, 0x8000, CRC(8153a60b) SHA1(54b8a0467645161d827bf8cb9fbceb0d00f9639f)) // game code

	/* SHAPE EPROMS */
	ROM_REGION(0xc000, "tile_gfx", 0 )
	ROM_LOAD("u20.bin", 0x00000, 0x2000, CRC(fcbbc62e) SHA1(794a7d974e67183468a77a6a81a6f05e0569e229)) // gfx
	ROM_LOAD("u21.bin", 0x02000, 0x2000, CRC(9e6f940e) SHA1(1ad9e7c6231a8d16e868a79d313efccbd1ff58ee))
	ROM_LOAD("u22.bin", 0x04000, 0x2000, CRC(1a2ff3a9) SHA1(bddfc3eedcdf9237a31a4b42d062e986beafed39))
	ROM_LOAD("u45.bin", 0x06000, 0x2000, CRC(c8d29af8) SHA1(e35f67d6708b26c93617c967aa50c629f7019788))
	ROM_LOAD("u46.bin", 0x08000, 0x2000, CRC(fa126a77) SHA1(31d6096c58653a45176b6373835f83c8f2c46f80))
	ROM_LOAD("u47.bin", 0x0a000, 0x2000, CRC(50307da0) SHA1(6418a51cf915b37fa11f47d000e4229dacf95951))

	 /* COLOR PROM */
	ROM_REGION(0x200, "proms", 0 )
	ROM_LOAD("u71.bin", 0x0000, 0x0200,  CRC(75814247) SHA1(9d123dadba3b5a1fd1c7f0100b255c4dd4f7e04f))
ROM_END



GAMEL( 1994, eforest,  0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Enchanted Forest - 12XF528902",              GAME_NOT_WORKING, layout_aristmk4)
GAMEL( 1995, eforesta, eforest,  aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Enchanted Forest - 4VXFC818",                0,                layout_aristmk4 )
GAMEL( 1996, eforestb, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Enchanted Forest - 3VXFC5343 (New Zealand)", 0,                layout_aristmk4 )
GAMEL( 1994, 3bagflvt, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "3 Bags Full - 5VXFC790 (Victorian)",         0,                layout_aristmk4 )
GAMEL( 1994, 3bagflnz, 3bagflvt, aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "3 Bags Full - 3VXFC5345 (New Zealand)",      0,                layout_aristmk4 )
GAMEL( 1996, blkrhino, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Black Rhino - 3VXFC5344 (New Zealand)",      0,                layout_aristmk4 )
GAMEL( 1996, kgbird,   0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "K.G Bird - 4VXFC5341 (New Zealand, 87.98%)", 0,                layout_aristmk4 )
GAMEL( 1996, kgbirda,  kgbird,   aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "K.G Bird - 4VXFC5341 (New Zealand, 91.97%)", 0,                layout_aristmk4 )
GAMEL( 1998, swtht2nz, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Sweet Hearts II - 1VXFC5461 (New Zealand)",  0,                layout_aristmk4 )
GAMEL( 1996, goldenc,  0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Golden Canaries - 1VXFC5462",                0,                layout_aristmk4 )
GAMEL( 1996, topgear,  0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Top Gear - 4VXFC969",                        GAME_NOT_WORKING, layout_aristmk4 )
GAMEL( 1996, wtigernz, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "White Tiger - 3VXFC5342 (New Zealand)",      0,                layout_aristmk4 )
GAMEL( 1998, phantomp, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Phantom Pays - 4VXFC5431 (New Zealand)",     0,                layout_aristmk4 )
GAMEL( 2000, coralr2,  0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Coral Riches II - 1VXFC5472 (New Zealand)",  0,                layout_aristmk4 )
GAMEL( 1999, ffortune, 0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Fantasy Fortune",                            0,                layout_aristmk4 )
GAMEL( 1999, autmoon,  0,        aristmk4, aristmk4, aristmk4, ROT0,  "Aristocrat", "Autumn Moon",                                0,                layout_aristmk4 )