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

     - NORAUT POKER -
    ------------------

    Driver by Roberto Fresca & Angelo Salese.


    Games running on this hardware:

    * Noraut Poker,  1988,  Noraut Ltd.
    * Poker,         198?,  Unknown.


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


    Hardware Notes:
    ---------------

    1x Z80
    3x PPI 8255
    2x 6116 SRAM
    1x 3.6 Vcc Battery.
    1x 18.432 MHz. Xtal.

    1x 555 + unknown yellow resonator, near the edge connector.
    1x 555 + resnet, near the battery.

    2x 3pins jumpers (between the Z80 and ROM)

       JP1 (ABC);  JP2 (DEF)

    PCB silksceened:  AB+DE=512  BC+DE=256
                      (CUT BC)   EF=64/128


    1x 10 DIP switches bank.


    PCB silksceened:  SMART-BOARD 131191 ISS.E (Made in USA)


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


    Noraut Edge Connector (pinouts)
    --------------------------------
    Component     PN   Solder Side
    --------------------------------
    GND           01   GND
    5v DC         02   5v DC
                  03
    12v DC        04   12v DC
                  05
                  06
                  07
    0v            08   Readout Switch
    0v            09   Low level hopper
    0v            10   50p in
    0v            11   pound in
    0v            12   Bet switch
    0v            13   Deal switch
    0v            14   Hold 1 switch
    0v            15   Half Gamble switch
    0v            16   Change Card switch
    Refil         17   Coin count/sense from hopper
    Low Switch    18   High swicth
    Hold 3 Switch 19   Hold 2 switch
    Hold 5 Switch 20   Hold 4 switch
    10p coin      21   Deflect
                  22   50p in meter
                  23   Hopper Motor Drive (low volt switch line NOT 24v)
                  24
                  25   spk+
                  26   Panel lamps clock
    Monitor sync  27   Hold 1 lamp
    Bet lamp      28   Deal lamp
    Change lamp   29   Hold 4 lamp
    Hold 5 lamp   30   Panel lights reset
    High lamp     31   Half Gamble lamp
    Hold 2 lamp   32   Low lamp
    10p Meter out 33   Meter refil
    Video Green   34   Hold 3 lamp
    Video Blue    35   10p in Meter
    Video Red     36   Spark Detect (Not on all boards)


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


    *** Game Notes ***

    Nothing, yet...


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

    --------------------
    ***  Memory Map  ***
    --------------------

    0x0000 - 0x1FFF    ; ROM space.
    0x6000 - 0x63FF    ; NVRAM.

    0x60 - 0x63        ; PPI 8255 0 - DIP Switches.
    0xA0 - 0xA3        ; PPI 8255 1 - Regular Inputs.
    0xC0 - 0xC3        ; PPI 8255 2 - Video RAM.


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


    DRIVER UPDATES:


    [2009-01-27]

    - Initial release.
    - Defined ROM, RAM.
    - Added 2x PPI 8255 for regular I/O.
    - Added complete inputs and hooked DIP switches.
    - Added video RAM support.
    - Added NVRAM.
    - Added lamps support.
    - Added coin counters.
    - Identified the sound writes.
    - Added hardware description.
    - Added pinout scheme.
    - Added technical notes.

    [2009-01-28]

    - Merged GTI Poker (gtipoker.c) with this driver.
    - Added new memory map and machine driver for gtipoker.
    - Hooked 2x PPI 8255 to gtipoker.
    - Hooked the video RAM access ports to gtipoker.
    - Changed norautpn description from Noraut Poker (No Payout),
      to Noraut Poker (bootleg), since the game has payout system.
    - Some clean-ups.


    TODO:

    - Analize the extra 8255 at 0xc0-0xc3 (full bidirectional port w/hshk)
    - Video RAM (through 3rd PPI?).
    - Find if wide chars are hardcoded or tied to a bit.
    - Proper colors (missing PROM?)
    - Lamps layout.
    - Discrete sound.


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


#define MASTER_CLOCK	XTAL_18_432MHz

#include "driver.h"
#include "cpu/z80/z80.h"
#include "machine/8255ppi.h"
#include "sound/dac.h"

static UINT16 *np_vram;
static UINT16 np_addr;


/*************************
*     Video Hardware     *
*************************/

static VIDEO_START( norautp )
{
	np_vram = auto_malloc(0x1000);
}


static VIDEO_UPDATE( norautp )
{
	int x, y, count;

	count = 0;

	bitmap_fill(bitmap, cliprect, screen->machine->pens[0]); //black pen

	for(y = 0; y < 8; y++)
	{
		/*Double width*/
		if(y == 2 || (y >= 4 && y < 6))
		{
			for(x = 0; x < 16; x++)
			{
				int tile = np_vram[count] & 0x3f;
				int colour = (np_vram[count] & 0xc0) >> 6;

				drawgfx(bitmap,screen->machine->gfx[1], tile, colour, 0, 0, x * 32, y * 32, cliprect, TRANSPARENCY_NONE, 0);

				count+=2;
			}
		}
		else
		{
			for(x = 0; x < 32; x++)
			{
				int tile = np_vram[count] & 0x3f;
				int colour = (np_vram[count] & 0xc0) >> 6;

				drawgfx(bitmap,screen->machine->gfx[0], tile, colour, 0, 0, x * 16, y * 32, cliprect, TRANSPARENCY_NONE, 0);

				count++;
			}
		}
	}

	return 0;
}


static PALETTE_INIT( norautp )
{
	/* 1st gfx bank */
	palette_set_color(machine, 0, MAKE_RGB(0x00, 0x00, 0xff));	/* blue */
	palette_set_color(machine, 1, MAKE_RGB(0x7f, 0xff, 0x7f));	/* white? */
	palette_set_color(machine, 2, MAKE_RGB(0x00, 0x00, 0xff));	/* blue */
	palette_set_color(machine, 3, MAKE_RGB(0xff, 0xff, 0xff));	/* white */
	palette_set_color(machine, 4, MAKE_RGB(0xff, 0xff, 0xff));	/* white */
	palette_set_color(machine, 5, MAKE_RGB(0xff, 0x00, 0x00));	/* red */
	palette_set_color(machine, 6, MAKE_RGB(0xff, 0xff, 0xff));	/* white */
	palette_set_color(machine, 7, MAKE_RGB(0x00, 0x00, 0x00));	/* black */
}


/*************************
*      R/W Handlers      *
*************************/

static WRITE8_DEVICE_HANDLER( lamps_w )
{
/*  LAMPS:

    7654 3210
    ---- ---x  Change Card / (Save?)
    ---- --x-  Hi/Lo
    ---- -x--  Hold 1
    ---- x---  Hold 2
    ---x ----  Hold 3
    --x- ----  Hold 4
    -x-- ----  Hold 5
    x--- ----  Start (poker)
*/

	output_set_lamp_value(0, (data >> 0) & 1);		/* Change */
	output_set_lamp_value(1, (data >> 1) & 1);		/* Hi/Lo  */
	output_set_lamp_value(2, (data >> 2) & 1);		/* Hold 1 */
	output_set_lamp_value(3, (data >> 3) & 1);		/* Hold 2 */
	output_set_lamp_value(4, (data >> 4) & 1);		/* Hold 3 */
	output_set_lamp_value(5, (data >> 5) & 1);		/* Hold 4 */
	output_set_lamp_value(6, (data >> 6) & 1);		/* Hold 5 */
	output_set_lamp_value(7, (data >> 7) & 1);		/* Start  */
}

static WRITE8_DEVICE_HANDLER( ccounter_w )
{
	coin_counter_w(0, data & 0x20);	/* Coin1 */
	coin_counter_w(1, data & 0x10);	/* Coin2 */
	coin_counter_w(2, data & 0x08);	/* Payout */

}

static WRITE8_DEVICE_HANDLER( sndlamp_w )
{

	output_set_lamp_value(8, (data >> 0) & 1);		/* Start? */
	output_set_lamp_value(9, (data >> 1) & 1);		/* Bet */

	/* the 4 MSB are for discrete (or DAC) sound */
	dac_data_w(0, (data & 0xf0));		/* Sound DAC? */

}

/*game waits for bit 7 (0x80) to be set.*/
static READ8_HANDLER( test_r )
{
	return 0xff;
}

static WRITE8_HANDLER( vram_data_w )
{
	np_vram[np_addr] = data & 0xff;
}

static WRITE8_HANDLER( vram_addr_w )
{
	np_addr = data;
}


/*************************
* Memory Map Information *
*************************/

static ADDRESS_MAP_START( norautp_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x1fff) AM_ROM
	AM_RANGE(0x6000, 0x63ff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
ADDRESS_MAP_END

static ADDRESS_MAP_START( norautp_portmap, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x60, 0x63) AM_DEVREADWRITE(PPI8255, "ppi8255_0", ppi8255_r, ppi8255_w)
	AM_RANGE(0xa0, 0xa3) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w)
	AM_RANGE(0xc0, 0xc0) AM_WRITE(vram_data_w)
	AM_RANGE(0xc1, 0xc1) AM_WRITE(vram_addr_w)
	AM_RANGE(0xc2, 0xc2) AM_READ(test_r)
//  AM_RANGE(0xc0, 0xc3) AM_DEVREADWRITE(PPI8255, "ppi8255_2", ppi8255_r, ppi8255_w)
ADDRESS_MAP_END

/*
  Video RAM R/W:

  c0 --> W  ; data (in case of PPI, port data)
  c1 --> W  ; addressing
  c2 --> R  ; status?
  c3 --> W  ; alternate 00 & 01 (in case of PPI, seting reseting bit 0 of hadshaked port)

*/

static ADDRESS_MAP_START( gtipoker_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x1fff) AM_ROM
	AM_RANGE(0xd000, 0xd3ff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
ADDRESS_MAP_END

static ADDRESS_MAP_START( gtipoker_portmap, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x7c, 0x7f) AM_DEVREADWRITE(PPI8255, "ppi8255_0", ppi8255_r, ppi8255_w)
	AM_RANGE(0xbc, 0xbf) AM_DEVREADWRITE(PPI8255, "ppi8255_1", ppi8255_r, ppi8255_w)
	AM_RANGE(0xdc, 0xdc) AM_WRITE(vram_data_w)
	AM_RANGE(0xdd, 0xdd) AM_WRITE(vram_addr_w)
	AM_RANGE(0xde, 0xde) AM_READ(test_r)
//  AM_RANGE(0xdc, 0xdf) AM_DEVREADWRITE(PPI8255, "ppi8255_2", ppi8255_r, ppi8255_w)
	AM_RANGE(0xef, 0xef) AM_READ(test_r)
ADDRESS_MAP_END


/*************************
*      Input Ports       *
*************************/

static INPUT_PORTS_START( norautp )

	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Start / Deal") PORT_CODE(KEYCODE_1)	/* Deal */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Bet / Take")   PORT_CODE(KEYCODE_2)	/* Bet / Take */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )   PORT_IMPULSE(2)								/* Coin A */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )   PORT_IMPULSE(2)								/* Coin B */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON8 )  PORT_NAME("Hi")          PORT_CODE(KEYCODE_A)	/* Hi */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON9 )  PORT_NAME("Lo")          PORT_CODE(KEYCODE_S)	/* Lo */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON11 ) PORT_NAME("Payout")      PORT_CODE(KEYCODE_W)	/* Payout */

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("Change Card")         PORT_CODE(KEYCODE_D)	/* Change Card */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON11 ) PORT_NAME("Save (Half Gamble)")  PORT_CODE(KEYCODE_F)	/* Half Gamble */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )  PORT_NAME("Hold 1")              PORT_CODE(KEYCODE_Z)	/* Hold 1 */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )  PORT_NAME("Hold 2")              PORT_CODE(KEYCODE_X)	/* Hold 2 */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 )  PORT_NAME("Hold 3")              PORT_CODE(KEYCODE_C)	/* Hold 3 */
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 )  PORT_NAME("Hold 4")              PORT_CODE(KEYCODE_V)	/* Hold 4 */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON7 )  PORT_NAME("Hold 5")              PORT_CODE(KEYCODE_B)	/* Hold 5 */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN3 )    PORT_IMPULSE(2)										/* Coin C */

	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	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( Coinage ) )
	PORT_DIPSETTING(    0x20, "A=5; B=25; C=1" )
	PORT_DIPSETTING(    0x00, "A=50; B=25; C=5" )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "Set Value" )
	PORT_DIPSETTING(    0x80, "2 Pence" )
	PORT_DIPSETTING(    0x00, "10 Pence" )
INPUT_PORTS_END

static INPUT_PORTS_START( poker )

	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Start / Deal")      PORT_CODE(KEYCODE_1)	/* Deal */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Bet / Change Card") PORT_CODE(KEYCODE_2)	/* Bet / Change Card */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 )   PORT_IMPULSE(2)										/* Coin A */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 )   PORT_IMPULSE(2)										/* Coin B */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON8 )  PORT_NAME("Hi")     PORT_CODE(KEYCODE_A)	/* Hi */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON9 )  PORT_NAME("Lo")     PORT_CODE(KEYCODE_S)	/* Lo */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON12 ) PORT_NAME("Payout") PORT_CODE(KEYCODE_W)	/* Payout */

	PORT_START("IN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("Stand (Take)") PORT_CODE(KEYCODE_D)	/* Stand (Take) */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON11 ) PORT_NAME("Half Gamble")  PORT_CODE(KEYCODE_F)	/* Half Gamble */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )  PORT_NAME("Hold 1")       PORT_CODE(KEYCODE_Z)	/* Hold 1 */
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )  PORT_NAME("Hold 2")       PORT_CODE(KEYCODE_X)	/* Hold 2 */
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON5 )  PORT_NAME("Hold 3")       PORT_CODE(KEYCODE_C)	/* Hold 3 */
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON6 )  PORT_NAME("Hold 4")       PORT_CODE(KEYCODE_V)	/* Hold 4 */
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON7 )  PORT_NAME("Hold 5")       PORT_CODE(KEYCODE_B)	/* Hold 5 */
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON13 ) PORT_NAME("Cancel")       PORT_CODE(KEYCODE_N)	/* Cancel */

	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) )
	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, "Bet Max" )
	PORT_DIPSETTING(    0x04, "1" )
	PORT_DIPSETTING(    0x00, "5" )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x08, "A=1; B=5" )
	PORT_DIPSETTING(    0x00, "A=50; B=5" )
	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( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END


/*************************
*    Graphics Layouts    *
*************************/

static const gfx_layout charlayout =
{
	16,32,
	RGN_FRAC(1,1),
	1,
	{ 0 },
	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
	{ 0*16, 0*16, 1*16, 1*16, 2*16, 2*16, 3*16, 3*16, 4*16, 4*16, 5*16, 5*16, 6*16, 6*16, 7*16, 7*16,
	  8*16, 8*16, 9*16, 9*16, 10*16,10*16,11*16,11*16,12*16,12*16,13*16,13*16,14*16,14*16,15*16,15*16 },
	16*16
};

static const gfx_layout charlayout32x32 =
{
	32,32,
	RGN_FRAC(1,1),
	1,
	{ 0 },
	{ 0,0, 1,1, 2,2, 3,3, 4,4, 5,5, 6,6, 7,7, 8,8, 9,9, 10,10, 11,11, 12,12, 13,13, 14,14, 15,15 },
	{ 0*16, 0*16, 1*16, 1*16, 2*16, 2*16, 3*16, 3*16, 4*16, 4*16, 5*16, 5*16, 6*16, 6*16, 7*16, 7*16,
	  8*16, 8*16, 9*16, 9*16, 10*16,10*16,11*16,11*16,12*16,12*16,13*16,13*16,14*16,14*16,15*16,15*16 },
	16*16
};


/******************************
* Graphics Decode Information *
******************************/

static GFXDECODE_START( norautp )
	GFXDECODE_ENTRY( "gfx", 0, charlayout,      0, 4 )
	GFXDECODE_ENTRY( "gfx", 0, charlayout32x32, 0, 4 )
GFXDECODE_END


/************************************
*      PPI 8255 (x3) Interface      *
************************************/

static const ppi8255_interface ppi8255_intf[3] =
{
	{	/* (60-63) Mode 0 - Port A set as input */
		DEVCB_INPUT_PORT("DSW1"),	/* Port A read */
		DEVCB_NULL,					/* Port B read */
		DEVCB_NULL,					/* Port C read */
		DEVCB_NULL,					/* Port A write */
		DEVCB_HANDLER(lamps_w),	    /* Port B write */
		DEVCB_HANDLER(ccounter_w)   /* Port C write */
	},
	{	/* (a0-a3) Mode 0 - Ports A & B set as input */
		DEVCB_INPUT_PORT("IN0"),    /* Port A read */
		DEVCB_INPUT_PORT("IN1"),	/* Port B read */
		DEVCB_NULL,				    /* Port C read */
		DEVCB_NULL,				    /* Port A write */
		DEVCB_NULL,				    /* Port B write */
		DEVCB_HANDLER(sndlamp_w)    /* Port C write */
	},
	{	/* (c0-c3) Group A Mode 2 (5-handshacked bidirectional port) */
		DEVCB_NULL,				    /* Port A read */
		DEVCB_NULL,				    /* Port B read */
		DEVCB_NULL,				    /* Port C read */
		DEVCB_NULL,				    /* Port A write */
		DEVCB_NULL,				    /* Port B write */
		DEVCB_NULL				    /* Port C write */
	}
};


/*************************
*    Machine Drivers     *
*************************/

static MACHINE_DRIVER_START( norautp )

	/* basic machine hardware */
	MDRV_CPU_ADD("main", Z80, MASTER_CLOCK/6)	/* guess */
	MDRV_CPU_PROGRAM_MAP(norautp_map, 0)
	MDRV_CPU_IO_MAP(norautp_portmap, 0)
	MDRV_CPU_VBLANK_INT("main", irq0_line_hold)

	MDRV_NVRAM_HANDLER(generic_0fill)

	/* 3x 8255 */
	MDRV_PPI8255_ADD( "ppi8255_0", ppi8255_intf[0] )
	MDRV_PPI8255_ADD( "ppi8255_1", ppi8255_intf[1] )
	MDRV_PPI8255_ADD( "ppi8255_2", ppi8255_intf[2] )

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*16, 32*16)
	MDRV_SCREEN_VISIBLE_AREA(2*16, 31*16-1, 0*16, 16*16-1)

	MDRV_GFXDECODE(norautp)

	MDRV_PALETTE_INIT(norautp)
	MDRV_PALETTE_LENGTH(8)
	MDRV_VIDEO_START(norautp)
	MDRV_VIDEO_UPDATE(norautp)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")
	MDRV_SOUND_ADD("dac", DAC, 0)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END

static MACHINE_DRIVER_START( gtipoker )
	MDRV_IMPORT_FROM(norautp)

	MDRV_CPU_MODIFY("main")
	MDRV_CPU_PROGRAM_MAP(gtipoker_map, 0)
	MDRV_CPU_IO_MAP(gtipoker_portmap, 0)

MACHINE_DRIVER_END


/*************************
*        Rom Load        *
*************************/

ROM_START( norautp )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "jpoker.bin",	    0x0000,  0x2000,  CRC(e22ed34d) SHA1(108f034335b5bed183ee316a61880f7b9485b34f) )

	ROM_REGION( 0x10000, "gfx", ROMREGION_DISPOSE )
	ROM_LOAD( "displayrom.bin",	0x00000, 0x10000, CRC(ed3605bd) SHA1(0174e880835815558328789226234e36b673b249) )
ROM_END

/* Has (c)1983 GTI in the roms, and was called 'Poker.zip'  GFX roms contain 16x16 tiles of cards */
/* Nothing else is known about this set / game */

ROM_START( gtipoker )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "u12.rom", 0x0000, 0x1000, CRC(abaa257a) SHA1(f830213ae0aaad5a9a44ec77c5a186e9e02fa041) )
	ROM_LOAD( "u18.rom", 0x1000, 0x1000, CRC(1b7e2877) SHA1(717fb70889804baa468203f20b1e7f73b55cc21e) )

	ROM_REGION( 0x1000, "gfx",ROMREGION_DISPOSE )
	ROM_LOAD( "u31.rom", 0x0000, 0x1000, CRC(2028db2c) SHA1(0f81bb71e88c60df3817f58c28715ce2ea01ad4d) )
ROM_END

/*
Poker game - manufacturer unknown

Z80 CPU

Program rom = 2764 (2nd Half blank)
Character rom = 2732

18.432 Mhz crystal

sound probably discrete with ne555 timer chip (located near amp/volume control)
*/

ROM_START( norautpn )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "prog.bin",   0x0000, 0x2000, CRC(8b1cfd24) SHA1(d673baed1c1e5b54a34b7a5857b269a725737e92) )

	ROM_REGION( 0x1000,  "gfx", ROMREGION_DISPOSE )
	ROM_LOAD( "char.bin",   0x0000, 0x1000, CRC(955eac6f) SHA1(470d8bad1a5d2a0a08dd129e6393c3c3a4ef2159) )
ROM_END


/*************************
*      Game Drivers      *
*************************/

/*    YEAR  NAME      PARENT   MACHINE   INPUT    INIT  ROT    COMPANY        FULLNAME                 FLAGS */
GAME( 1988, norautp,  0,       norautp,  norautp, 0,    ROT0, "Noraut Ltd.", "Noraut Poker",           GAME_NO_SOUND | GAME_IMPERFECT_COLORS )
GAME( 1983, gtipoker, 0,       gtipoker, norautp, 0,    ROT0, "GTI Inc",     "GTI Poker",              GAME_NO_SOUND | GAME_IMPERFECT_COLORS | GAME_NOT_WORKING )

/*The following has everything uncertain, seems a bootleg/hack and doesn't have any identification strings in program rom. */
GAME( 198?, norautpn, norautp, norautp,  poker,   0,    ROT0, "bootleg?",    "Noraut Poker (bootleg)", GAME_NO_SOUND | GAME_IMPERFECT_COLORS )