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

Champion Poker by IGS   (documented by Mirko Buffoni)
---

Memory Layout (refers to CSK227IT.  Others may have different addresses)

ROM:        0000-efff
RAM:        f000-ffff

f950-f951:  DSW1-2
f952-f953:  DSW3-4
f954-f955:  DSW5-6   (6 not used, but optionally addable to board)

f9c7-f9c8:  Ports 50a0 and 5081 values are written here
f9c9-f9ca:  Ports 5082 and 5091 values are written here

             0  1  2  3  4  5  6  7
f9a7-f9ae:  xx xx xx xx xx xx xx xx     Port 50a0 bit stream
f9af-f9b6:  xx xx xx xx xx xx xx xx     Port 5081 bit stream
f9b7-f9be:  xx xx xx xx xx xx xx xx     Port 5082 bit stream
f9bf-f9c6:  xx xx xx xx xx xx xx xx     Port 5091 bit stream
            |
            xYYYYYYY ====>  Bit 7 set = Nth bit for port is set
                            Bit 6-0   = counts for how may frames Nth bit
                                        has been in that state, recently.

f065:       Double up type
                0 = None
                1 = High/Low
                2 = Red/Black

f68f:       Errorcode
                0 = Coin Error
                1 = Hopper Error
                2 = Limite Max
                3 = System Error
                4 = Punti Error
                5 = Hopper Vuoto
                6 = Limite Record

f69a:        Winning combination for current card set
                 0 = Nothing
                 1 = Coppia
                 2 = DoppiaCoppia
                 3 = Tris
                 4 = Scala
                 5 = Flush
                 6 = FullHouse
                 7 = Poker
                 8 = ScalaMinima
                 9 = Bingo
                10 = ScalaMassima
                11 = FiveJokers

f69b:       Vblank flag.  Reset during NMI.

f6a4:       MaxBet
f6a5:       MinBet to start
f070:       MinBet to play Fever

f9a3:       CoinErrorFlag
            0 = no problem
            1 = coin error
            2 = hopper error

f98a:       Hopper timeout counter.  Decremented during NMI.

f022:       ???
f023:       ???
f024:       ???
f025:       ???
f026:       ???

---

I/O Ports

Palette:    2000-27ff   (low byte)
            2800-2fff   (high byte)
VideoRAM:   7000-77ff
ColorRAM:   7800-7fff
DSW1-5:     4000-4004   (see input ports section below)
InputPorts: 50a0   (unused in this game)
            5081-5082   (Coins and Keyboard)
            5091   (Keyboard)
Expansion:  8000-ffff   (R)     Used to read from an expansion rom

Unknown:    5080        (RW)    (possibly related to ticket/hopper)
            5090-5091   (RW)    (possibly related to eprom counters)
            50b0-50b1   (W)     (OPL2 compatible chip)
            5083        (W)     (used only at reset, maybe)
            1000-10ff   (W) ???
            6000-67ff   (W) ???
            6800-6fff   (W)     Expansion video layer (used with ability)

---

Timing:

Game is synchronized with VBLANK. It uses IRQ & NMI interrupts.
During a frame, there must be 4 IRQs and 4 NMIs in order to play
to the correct speed.

---

Notes about palette:
Charset is 6 bit depth (thus 64 colors of granularity)
Colortable is made up of 2 entries of 64 bytes for each palette,
splitted, and colorinfo is stored to form the following word:

xBBBBBGGGGGRRRRR    (Bit 15 is never used)

The game uses 8 palettes, located at the following addresses:

Palette1:   54CD (low), 5509 (high), len = 60   (colorentry: 1-63)
Palette2:   5545 (low), 5581 (high), len = 60   (colorentry: 1-63)
Palette3:   55BD (low), 55F9 (high), len = 60   (colorentry: 1-63)
Palette4:   5635 (low), 5671 (high), len = 60   (colorentry: 1-63)
Palette5:   56AD (low), 56DD (high), len = 48   (colorentry: 1-47)
Palette6:   570D (low), 5749 (high), len = 60   (colorentry: 1-63)
Palette7:   5785 (low), 57C1 (high), len = 60   (colorentry: 1-63)
Palette8:   57FD (low), 582D (high), len = 48   (colorentry: 1-47)

Palette3*:  585D (low), 5899 (high), len = 60   (used alternatively with pal3)

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


#include "driver.h"
#include "deprecat.h"
#include "cpu/z80/z80.h"
#include "sound/2413intf.h"


extern UINT8 * cpk_colorram;
extern UINT8 * cpk_videoram;
extern UINT8 * cpk_expram;


MACHINE_RESET (cpk);
INTERRUPT_GEN( cpoker_interrupt );
INTERRUPT_GEN( cska_interrupt );
VIDEO_UPDATE( cska );
VIDEO_START( cska );

WRITE8_HANDLER( cpk_palette_w );
WRITE8_HANDLER( cpk_palette2_w );
READ8_HANDLER( cpk_expansion_r );



static size_t protection_res = 0;

static READ8_HANDLER( custom_io_r )
{
	return protection_res;
}

static WRITE8_HANDLER( custom_io_w )
{
	switch (data)
	{
		case 0x00: protection_res = input_port_read(machine, "5091"); break;
		case 0x20: protection_res = 0x49; break;
		case 0x21: protection_res = 0x47; break;
		case 0x22: protection_res = 0x53; break;
		case 0x24: protection_res = 0x41; break;
		case 0x25: protection_res = 0x41; break;
		case 0x26: protection_res = 0x7f; break;
		case 0x27: protection_res = 0x41; break;
		case 0x28: protection_res = 0x41; break;
		case 0x2a: protection_res = 0x3e; break;
		case 0x2b: protection_res = 0x41; break;
		case 0x2c: protection_res = 0x49; break;
		case 0x2d: protection_res = 0xf9; break;
		case 0x2e: protection_res = 0x0a; break;
		case 0x30: protection_res = 0x26; break;
		case 0x31: protection_res = 0x49; break;
		case 0x32: protection_res = 0x49; break;
		case 0x33: protection_res = 0x49; break;
		case 0x34: protection_res = 0x32; break;
		default:
			protection_res = data;
	}
}


static ADDRESS_MAP_START( map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0xefff) AM_ROM
	AM_RANGE(0xf000, 0xffff) AM_RAM AM_REGION("main", 0xf000)
ADDRESS_MAP_END

static ADDRESS_MAP_START( cpoker_map, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x2000, 0x27ff) AM_WRITE(cpk_palette_w)
	AM_RANGE(0x2800, 0x2fff) AM_WRITE(cpk_palette2_w)
	AM_RANGE(0x4000, 0x4000) AM_READ_PORT("DSW1")			/* DSW1 */
	AM_RANGE(0x4001, 0x4001) AM_READ_PORT("DSW2")			/* DSW2 */
	AM_RANGE(0x4002, 0x4002) AM_READ_PORT("DSW3")			/* DSW3 */
	AM_RANGE(0x4003, 0x4003) AM_READ_PORT("DSW4")			/* DSW4 */
	AM_RANGE(0x4004, 0x4004) AM_READ_PORT("DSW5")			/* DSW5 */
	AM_RANGE(0x5081, 0x5081) AM_READ_PORT("5081")			/* Services */
	AM_RANGE(0x5082, 0x5082) AM_READ_PORT("5082")			/* Coing & Kbd */
	AM_RANGE(0x5090, 0x5090) AM_WRITE(custom_io_w)
	AM_RANGE(0x5091, 0x5091) AM_READ(custom_io_r)			/* Keyboard */
	AM_RANGE(0x50a0, 0x50a0) AM_READ_PORT("50A0")			/* Not connected */
	AM_RANGE(0x50b0, 0x50b0) AM_WRITE(ym2413_register_port_0_w)
	AM_RANGE(0x50b1, 0x50b1) AM_WRITE(ym2413_data_port_0_w)
	AM_RANGE(0x6800, 0x6fff) AM_WRITE(SMH_RAM) AM_BASE(&cpk_expram)
	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(&cpk_videoram)
	AM_RANGE(0x7800, 0x7fff) AM_RAM AM_BASE(&cpk_colorram)
	AM_RANGE(0x8000, 0xffff) AM_READ(cpk_expansion_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( csk227_map, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x2000, 0x27ff) AM_WRITE(cpk_palette_w)
	AM_RANGE(0x2800, 0x2fff) AM_WRITE(cpk_palette2_w)
	AM_RANGE(0x4000, 0x4000) AM_READ_PORT("DSW1")			/* DSW1 */
	AM_RANGE(0x4001, 0x4001) AM_READ_PORT("DSW2")			/* DSW2 */
	AM_RANGE(0x4002, 0x4002) AM_READ_PORT("DSW3")			/* DSW3 */
	AM_RANGE(0x4003, 0x4003) AM_READ_PORT("DSW4")			/* DSW4 */
	AM_RANGE(0x4004, 0x4004) AM_READ_PORT("DSW5")			/* DSW5 */
	AM_RANGE(0x5081, 0x5081) AM_READ_PORT("5081")			/* Services */
	AM_RANGE(0x5082, 0x5082) AM_READ_PORT("5082")			/* Coing & Kbd */
	AM_RANGE(0x5091, 0x5091) AM_READ_PORT("5091")			/* Keyboard */
	AM_RANGE(0x50a0, 0x50a0) AM_READ_PORT("50A0")			/* Not connected */
	AM_RANGE(0x50b0, 0x50b0) AM_WRITE(ym2413_register_port_0_w)
	AM_RANGE(0x50b1, 0x50b1) AM_WRITE(ym2413_data_port_0_w)
	AM_RANGE(0x6800, 0x6fff) AM_WRITE(SMH_RAM) AM_BASE(&cpk_expram)
	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(&cpk_videoram)
	AM_RANGE(0x7800, 0x7fff) AM_RAM AM_BASE(&cpk_colorram)
	AM_RANGE(0x8000, 0xffff) AM_READ(cpk_expansion_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( csk234_map, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x2000, 0x27ff) AM_WRITE(cpk_palette_w)
	AM_RANGE(0x2800, 0x2fff) AM_WRITE(cpk_palette2_w)
	AM_RANGE(0x4000, 0x4000) AM_READ_PORT("DSW1")			/* DSW1 */
	AM_RANGE(0x4001, 0x4001) AM_READ_PORT("DSW2")			/* DSW2 */
	AM_RANGE(0x4002, 0x4002) AM_READ_PORT("DSW3")			/* DSW3 */
	AM_RANGE(0x4003, 0x4003) AM_READ_PORT("DSW4")			/* DSW4 */
	AM_RANGE(0x4004, 0x4004) AM_READ_PORT("DSW5")			/* DSW5 */
	AM_RANGE(0x5081, 0x5081) AM_READ_PORT("5081")			/* Services */
	AM_RANGE(0x5082, 0x5082) AM_READ_PORT("5082")			/* Coing & Kbd */
	AM_RANGE(0x5090, 0x5090) AM_WRITE(custom_io_w)
	AM_RANGE(0x5091, 0x5091) AM_READ(custom_io_r)			/* used for protection and other */
	AM_RANGE(0x50a0, 0x50a0) AM_READ_PORT("50A0")			/* Not connected */
	AM_RANGE(0x50b0, 0x50b0) AM_WRITE(ym2413_register_port_0_w)
	AM_RANGE(0x50b1, 0x50b1) AM_WRITE(ym2413_data_port_0_w)
	AM_RANGE(0x6800, 0x6fff) AM_WRITE(SMH_RAM) AM_BASE(&cpk_expram)
	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(&cpk_videoram)
	AM_RANGE(0x7800, 0x7fff) AM_RAM AM_BASE(&cpk_colorram)
	AM_RANGE(0x8000, 0xffff) AM_READ(cpk_expansion_r)
ADDRESS_MAP_END


/* MB: 05 Jun 99  Input ports and Dip switches are all verified! */

static INPUT_PORTS_START( csk227 )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SWA:8")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x06, 0x06, "Min Bet to Start" ) PORT_DIPLOCATION("SWA:6,7")
	PORT_DIPSETTING(    0x06, "1" )
	PORT_DIPSETTING(    0x04, "3" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, "10" )
	PORT_DIPNAME( 0x18, 0x18, "Max Bet" ) PORT_DIPLOCATION("SWA:4,5")
	PORT_DIPSETTING(    0x18, "10" )
	PORT_DIPSETTING(    0x10, "20" )
	PORT_DIPSETTING(    0x08, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x60, 0x60, "Min Bet to play Fever" ) PORT_DIPLOCATION("SWA:2,3")
	PORT_DIPSETTING(    0x60, "1" )
	PORT_DIPSETTING(    0x40, "5" )
	PORT_DIPSETTING(    0x20, "10" )
	PORT_DIPSETTING(    0x00, "20" )
	PORT_DIPNAME( 0x80, 0x00, "Credit Limit" ) PORT_DIPLOCATION("SWA:1")
	PORT_DIPSETTING(    0x80, "100000" )
	PORT_DIPSETTING(    0x00, "Unlimited" )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x07, 0x07, "Coin In Rate" ) PORT_DIPLOCATION("SWB:8,7,6")
	PORT_DIPSETTING(    0x07, "1" )
	PORT_DIPSETTING(    0x06, "2" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x04, "10" )
	PORT_DIPSETTING(    0x03, "20" )
	PORT_DIPSETTING(    0x02, "40" )
	PORT_DIPSETTING(    0x01, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x18, 0x18, "Key In Rate" ) PORT_DIPLOCATION("SWB:5,4")
	PORT_DIPSETTING(    0x18, "10" )
	PORT_DIPSETTING(    0x10, "20" )
	PORT_DIPSETTING(    0x08, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x60, 0x60, "W-UP Bonus Target" ) PORT_DIPLOCATION("SWB:3,2")
	PORT_DIPSETTING(    0x60, "1500" )
	PORT_DIPSETTING(    0x40, "3000" )
	PORT_DIPSETTING(    0x20, "5000" )
	PORT_DIPSETTING(    0x00, "7500" )
	PORT_DIPNAME( 0x80, 0x80, "Payout" ) PORT_DIPLOCATION("SWB:1")
	PORT_DIPSETTING(    0x80, "Manual" )
	PORT_DIPSETTING(    0x00, "Auto" )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x03, 0x03, "W-UP Bonus Rate" ) PORT_DIPLOCATION("SWC:8,7")
	PORT_DIPSETTING(    0x03, "200" )
	PORT_DIPSETTING(    0x02, "300" )
	PORT_DIPSETTING(    0x01, "500" )
	PORT_DIPSETTING(    0x00, "800" )
	PORT_DIPNAME( 0x0c, 0x0c, "W-UP Chance" ) PORT_DIPLOCATION("SWC:6,5")
	PORT_DIPSETTING(    0x0c, "94%" )
	PORT_DIPSETTING(    0x08, "96%" )
	PORT_DIPSETTING(    0x04, "98%" )
	PORT_DIPSETTING(    0x00, "100%" )
	PORT_DIPNAME( 0x30, 0x20, "W-UP Type" ) PORT_DIPLOCATION("SWC:4,3")
	PORT_DIPSETTING(    0x30, DEF_STR( None ) )
	PORT_DIPSETTING(    0x20, "High-Low" )
	PORT_DIPSETTING(    0x10, "Red-Black" )		/* Bit 4 is equal for ON/OFF */
	PORT_DIPNAME( 0x40, 0x00, "Strip Girl" ) PORT_DIPLOCATION("SWC:2")
	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x80, 0x00, "Ability" ) PORT_DIPLOCATION("SWC:1")
	PORT_DIPSETTING(    0x80, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )

	PORT_START("DSW4")
	PORT_DIPNAME( 0x0f, 0x07, "Main Game Chance" ) PORT_DIPLOCATION("SWD:8,7,6,5")
	PORT_DIPSETTING(    0x0f, "69%" )
	PORT_DIPSETTING(    0x0e, "72%" )
	PORT_DIPSETTING(    0x0d, "75%" )
	PORT_DIPSETTING(    0x0c, "78%" )
	PORT_DIPSETTING(    0x0b, "81%" )
	PORT_DIPSETTING(    0x0a, "83%" )
	PORT_DIPSETTING(    0x09, "85%" )
	PORT_DIPSETTING(    0x08, "87%" )
	PORT_DIPSETTING(    0x07, "89%" )
	PORT_DIPSETTING(    0x06, "91%" )
	PORT_DIPSETTING(    0x05, "93%" )
	PORT_DIPSETTING(    0x04, "95%" )
	PORT_DIPSETTING(    0x03, "97%" )
	PORT_DIPSETTING(    0x02, "99%" )
	PORT_DIPSETTING(    0x01, "101%" )
	PORT_DIPSETTING(    0x00, "103%" )
	PORT_DIPNAME( 0x10, 0x00, "Five Jokers" ) PORT_DIPLOCATION("SWD:4")
	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x00, "Royal Flush" ) PORT_DIPLOCATION("SWD:3")
	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x40, 0x00, "Auto Hold" ) PORT_DIPLOCATION("SWD:2")
	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x80, 0x80, "Payout Select" ) PORT_DIPLOCATION("SWD:1")
	PORT_DIPSETTING(    0x80, "Ticket" )
	PORT_DIPSETTING(    0x00, "Hopper" )

	PORT_START("DSW5")
	PORT_DIPNAME( 0x07, 0x07, "Key Out Rate" ) PORT_DIPLOCATION("SWE:8,7,6")
	PORT_DIPSETTING(    0x07, "1:1" )
	PORT_DIPSETTING(    0x06, "10:1" )
	PORT_DIPSETTING(    0x05, "20:1" )
	PORT_DIPSETTING(    0x04, "50:1" )
	PORT_DIPSETTING(    0x03, "100:1" )		/* Bits 1-0 are all equivalents */
	PORT_DIPNAME( 0x08, 0x00, "Card Select" ) PORT_DIPLOCATION("SWE:5")
	PORT_DIPSETTING(    0x08, "Poker" )
	PORT_DIPSETTING(    0x00, "Tetris" )
	PORT_DIPNAME( 0x70, 0x70, "Ticket Rate" ) PORT_DIPLOCATION("SWE:4,3,2")
	PORT_DIPSETTING(    0x70, "1:1" )
	PORT_DIPSETTING(    0x60, "5:1" )
	PORT_DIPSETTING(    0x50, "10:1" )
	PORT_DIPSETTING(    0x40, "20:1" )
	PORT_DIPSETTING(    0x30, "25:1" )
	PORT_DIPSETTING(    0x20, "50:1" )
	PORT_DIPSETTING(    0x10, "100:1" )
	PORT_DIPSETTING(    0x00, "200:1" )
	PORT_DIPNAME( 0x80, 0x80, "Win Table" ) PORT_DIPLOCATION("SWE:1")
	PORT_DIPSETTING(    0x80, "Change" )
	PORT_DIPSETTING(    0x00, "Fixed" )

	PORT_START("5081")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_E) PORT_NAME("HPSW")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_4) PORT_NAME("Payout")
	PORT_SERVICE_NO_TOGGLE( 0x20, IP_ACTIVE_LOW )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_F1) PORT_NAME("Statistics")
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Hold5/Bet")

	PORT_START("5082")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 	 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 	 )
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_SERVICE  ) PORT_CODE(KEYCODE_Q) PORT_NAME("Key In")
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_SERVICE  ) PORT_CODE(KEYCODE_W) PORT_NAME("Key Down")
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Hold4/Take")
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Hold3/W-Up")

	PORT_START("5091")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_START1)
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Hold1/High/Low")
	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Hold2/Red/Black")

	PORT_START("50A0")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )

INPUT_PORTS_END


static INPUT_PORTS_START( csk234 )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SWA:8")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x06, 0x06, "Min Bet to Start" ) PORT_DIPLOCATION("SWA:7,6")
	PORT_DIPSETTING(    0x06, "1" )
	PORT_DIPSETTING(    0x04, "3" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, "10" )
	PORT_DIPNAME( 0x18, 0x10, "Max Bet" ) PORT_DIPLOCATION("SWA:5,4")
	PORT_DIPSETTING(    0x18, "3" )
	PORT_DIPSETTING(    0x10, "5" )
	PORT_DIPSETTING(    0x08, "20" )
	PORT_DIPSETTING(    0x00, "40" )
	PORT_DIPNAME( 0x60, 0x60, "Min Bet to play Fever" ) PORT_DIPLOCATION("SWA:3,2")
	PORT_DIPSETTING(    0x60, "1" )
	PORT_DIPSETTING(    0x40, "5" )
	PORT_DIPSETTING(    0x20, "10" )
	PORT_DIPSETTING(    0x00, "20" )
	PORT_DIPNAME( 0x80, 0x00, "Credit Limit" ) PORT_DIPLOCATION("SWA:1")
	PORT_DIPSETTING(    0x80, "5000" )
	PORT_DIPSETTING(    0x00, "10000" )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x07, 0x07, "Coin In Rate" ) PORT_DIPLOCATION("SWB:8,7,6")
	PORT_DIPSETTING(    0x07, "1" )
	PORT_DIPSETTING(    0x06, "2" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x04, "10" )
	PORT_DIPSETTING(    0x03, "20" )
	PORT_DIPSETTING(    0x02, "40" )
	PORT_DIPSETTING(    0x01, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x18, 0x18, "Key In Rate" ) PORT_DIPLOCATION("SWB:5,4")
	PORT_DIPSETTING(    0x18, "10" )
	PORT_DIPSETTING(    0x10, "20" )
	PORT_DIPSETTING(    0x08, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x60, 0x60, "Key Out Rate" ) PORT_DIPLOCATION("SWB:3,2")
	PORT_DIPSETTING(    0x60, "1:1" )
	PORT_DIPSETTING(    0x40, "10:1" )
	PORT_DIPSETTING(    0x20, "100:1" )
	PORT_DIPSETTING(    0x00, "100:1" )
	PORT_DIPNAME( 0x80, 0x80, "Payout" ) PORT_DIPLOCATION("SWB:1")
	PORT_DIPSETTING(    0x80, "Manual" )
	PORT_DIPSETTING(    0x00, "Auto" )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, "W-UP Bonus Target" ) PORT_DIPLOCATION("SWC:8")
	PORT_DIPSETTING(    0x01, "3000" )
	PORT_DIPSETTING(    0x00, "5000" )
	PORT_DIPNAME( 0x02, 0x02, "W-UP Bonus Rate" ) PORT_DIPLOCATION("SWC:7")
	PORT_DIPSETTING(    0x02, "300" )
	PORT_DIPSETTING(    0x00, "500" )
	PORT_DIPNAME( 0x0c, 0x0c, "W-UP Chance" ) PORT_DIPLOCATION("SWC:6,5")
	PORT_DIPSETTING(    0x0c, "94%" )
	PORT_DIPSETTING(    0x08, "96%" )
	PORT_DIPSETTING(    0x04, "98%" )
	PORT_DIPSETTING(    0x00, "100%" )
	PORT_DIPNAME( 0x30, 0x20, "W-UP Type" ) PORT_DIPLOCATION("SWC:4,3")
	PORT_DIPSETTING(    0x30, DEF_STR( None ) )
	PORT_DIPSETTING(    0x20, "High-Low" )
	PORT_DIPSETTING(    0x10, "Red-Black" )		/* Bit 4 is equal for ON/OFF */
	PORT_DIPNAME( 0x40, 0x40, "Card Select" ) PORT_DIPLOCATION("SWC:2")
	PORT_DIPSETTING(    0x40, "Poker" )
	PORT_DIPSETTING(    0x00, "Symbols" )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("DSW4")
	PORT_DIPNAME( 0x0f, 0x07, "Main Game Chance" ) PORT_DIPLOCATION("SWD:8,7,6,5")
	PORT_DIPSETTING(    0x0f, "69%" )
	PORT_DIPSETTING(    0x0e, "72%" )
	PORT_DIPSETTING(    0x0d, "75%" )
	PORT_DIPSETTING(    0x0c, "78%" )
	PORT_DIPSETTING(    0x0b, "81%" )
	PORT_DIPSETTING(    0x0a, "83%" )
	PORT_DIPSETTING(    0x09, "85%" )
	PORT_DIPSETTING(    0x08, "87%" )
	PORT_DIPSETTING(    0x07, "89%" )
	PORT_DIPSETTING(    0x06, "91%" )
	PORT_DIPSETTING(    0x05, "93%" )
	PORT_DIPSETTING(    0x04, "95%" )
	PORT_DIPSETTING(    0x03, "97%" )
	PORT_DIPSETTING(    0x02, "99%" )
	PORT_DIPSETTING(    0x01, "101%" )
	PORT_DIPSETTING(    0x00, "103%" )
	PORT_DIPNAME( 0x10, 0x00, "Auto Hold" ) PORT_DIPLOCATION("SWD:4")
	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x00, "Anytime Key-in" ) PORT_DIPLOCATION("SWD:3")
	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_BIT( 0xC0, IP_ACTIVE_LOW, IPT_UNUSED )			/* Joker and Royal Flush are always enabled */

	PORT_START("DSW5")
	PORT_DIPNAME( 0x01, 0x00, "Hopper" ) PORT_DIPLOCATION("SWE:8")
	PORT_DIPSETTING(    0x01, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x02, 0x00, "Payout Select" ) PORT_DIPLOCATION("SWE:7")
	PORT_DIPSETTING(    0x02, "Hopper" )
	PORT_DIPSETTING(    0x00, "Ticket" )
	PORT_DIPNAME( 0x0c, 0x0c, "Ticket Rate" ) PORT_DIPLOCATION("SWE:6,5")
	PORT_DIPSETTING(    0x0c, "10:1" )
	PORT_DIPSETTING(    0x08, "20:1" )
	PORT_DIPSETTING(    0x04, "50:1" )
	PORT_DIPSETTING(    0x00, "100:1" )
	PORT_DIPNAME( 0x10, 0x00, "Ability" ) PORT_DIPLOCATION("SWE:4")
	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("5081")
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_E) PORT_NAME("HPSW")
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_4) PORT_NAME("Payout")
	PORT_SERVICE_NO_TOGGLE( 0x20, IP_ACTIVE_LOW )
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_F1) PORT_NAME("Statistics")

	PORT_START("5082")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_Q) PORT_NAME("Key In")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_W) PORT_NAME("Key Down")
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("5091")	/* Custom IO */
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("50A0")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Hold1/High/Low")
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Hold5/Bet")
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Hold4/Take")
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Hold3/W-Up")
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Hold2/Red/Black")
	PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

INPUT_PORTS_END

static INPUT_PORTS_START( cpoker )

	PORT_START("DSW1")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SWA:8")
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x06, 0x06, "Min Bet to Start" ) PORT_DIPLOCATION("SWA:7,6")
	PORT_DIPSETTING(    0x06, "1" )
	PORT_DIPSETTING(    0x04, "3" )
	PORT_DIPSETTING(    0x02, "5" )
	PORT_DIPSETTING(    0x00, "10" )
	PORT_DIPNAME( 0x18, 0x10, "Max Bet" ) PORT_DIPLOCATION("SWA:5,4")
	PORT_DIPSETTING(    0x18, "3" )
	PORT_DIPSETTING(    0x10, "5" )
	PORT_DIPSETTING(    0x08, "20" )
	PORT_DIPSETTING(    0x00, "40" )
	PORT_DIPNAME( 0x60, 0x60, "Min Bet to play Fever" ) PORT_DIPLOCATION("SWA:3,2")
	PORT_DIPSETTING(    0x60, "1" )
	PORT_DIPSETTING(    0x40, "5" )
	PORT_DIPSETTING(    0x20, "10" )
	PORT_DIPSETTING(    0x00, "20" )
	PORT_DIPNAME( 0x80, 0x00, "Credit Limit" ) PORT_DIPLOCATION("SWA:1")
	PORT_DIPSETTING(    0x80, "5000" )
	PORT_DIPSETTING(    0x00, "10000" )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x07, 0x07, "Coin In Rate" ) PORT_DIPLOCATION("SWB:8,7,6")
	PORT_DIPSETTING(    0x07, "1" )
	PORT_DIPSETTING(    0x06, "2" )
	PORT_DIPSETTING(    0x05, "5" )
	PORT_DIPSETTING(    0x04, "10" )
	PORT_DIPSETTING(    0x03, "20" )
	PORT_DIPSETTING(    0x02, "40" )
	PORT_DIPSETTING(    0x01, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x18, 0x18, "Key In Rate" ) PORT_DIPLOCATION("SWB:5,4")
	PORT_DIPSETTING(    0x18, "10" )
	PORT_DIPSETTING(    0x10, "20" )
	PORT_DIPSETTING(    0x08, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x60, 0x60, "Key Out Rate" ) PORT_DIPLOCATION("SWB:3,2")
	PORT_DIPSETTING(    0x60, "1:1" )
	PORT_DIPSETTING(    0x40, "10:1" )
	PORT_DIPSETTING(    0x20, "100:1" )
	PORT_DIPSETTING(    0x00, "100:1" )
	PORT_DIPNAME( 0x80, 0x80, "Payout" ) PORT_DIPLOCATION("SWB:1")
	PORT_DIPSETTING(    0x80, "Manual" )
	PORT_DIPSETTING(    0x00, "Auto" )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, "W-UP Bonus Target" ) PORT_DIPLOCATION("SWC:8")
	PORT_DIPSETTING(    0x01, "3000" )
	PORT_DIPSETTING(    0x00, "5000" )
	PORT_DIPNAME( 0x02, 0x02, "W-UP Bonus Rate" ) PORT_DIPLOCATION("SWC:7")
	PORT_DIPSETTING(    0x02, "300" )
	PORT_DIPSETTING(    0x00, "500" )
	PORT_DIPNAME( 0x0c, 0x0c, "W-UP Chance" ) PORT_DIPLOCATION("SWC:6,5")
	PORT_DIPSETTING(    0x0c, "94%" )
	PORT_DIPSETTING(    0x08, "96%" )
	PORT_DIPSETTING(    0x04, "98%" )
	PORT_DIPSETTING(    0x00, "100%" )
	PORT_DIPNAME( 0x30, 0x20, "W-UP Type" ) PORT_DIPLOCATION("SWC:4,3")
	PORT_DIPSETTING(    0x30, DEF_STR( None ) )
	PORT_DIPSETTING(    0x20, "High-Low" )
	PORT_DIPSETTING(    0x10, "Red-Black" )		/* Bit 4 is equal for ON/OFF */
	PORT_DIPNAME( 0x40, 0x00, "Strip Girl" ) PORT_DIPLOCATION("SWC:2")
	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x80, 0x00, "Anytime Key-in" ) PORT_DIPLOCATION("SWC:1")
	PORT_DIPSETTING(    0x80, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )

	PORT_START("DSW4")
	PORT_DIPNAME( 0x0f, 0x07, "Main Game Chance" ) PORT_DIPLOCATION("SWD:8,7,6,5")
	PORT_DIPSETTING(    0x0f, "69%" )
	PORT_DIPSETTING(    0x0e, "72%" )
	PORT_DIPSETTING(    0x0d, "75%" )
	PORT_DIPSETTING(    0x0c, "78%" )
	PORT_DIPSETTING(    0x0b, "81%" )
	PORT_DIPSETTING(    0x0a, "83%" )
	PORT_DIPSETTING(    0x09, "85%" )
	PORT_DIPSETTING(    0x08, "87%" )
	PORT_DIPSETTING(    0x07, "89%" )
	PORT_DIPSETTING(    0x06, "91%" )
	PORT_DIPSETTING(    0x05, "93%" )
	PORT_DIPSETTING(    0x04, "95%" )
	PORT_DIPSETTING(    0x03, "97%" )
	PORT_DIPSETTING(    0x02, "99%" )
	PORT_DIPSETTING(    0x01, "101%" )
	PORT_DIPSETTING(    0x00, "103%" )
	PORT_DIPNAME( 0x10, 0x00, "Five Jokers" ) PORT_DIPLOCATION("SWD:4")
	PORT_DIPSETTING(    0x10, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x20, 0x00, "Royal Flush" ) PORT_DIPLOCATION("SWD:3")
	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x40, 0x00, "Auto Hold" ) PORT_DIPLOCATION("SWD:2")
	PORT_DIPSETTING(    0x40, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )
	PORT_DIPNAME( 0x80, 0x00, "Hopper" ) PORT_DIPLOCATION("SWD:1")
	PORT_DIPSETTING(    0x80, DEF_STR( No ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )

	PORT_START("DSW5")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("5081")
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_E) PORT_NAME("HPSW")
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_4) PORT_NAME("Payout")
	PORT_SERVICE_NO_TOGGLE( 0x20, IP_ACTIVE_LOW )
	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_CODE(KEYCODE_F1) PORT_NAME("Statistics")

	PORT_START("5082")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_Q) PORT_NAME("Key In")
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CODE(KEYCODE_W) PORT_NAME("Key Down")
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("5091")	/* Custom IO */
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )

	PORT_START("50A0")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Hold1/High/Low")
	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Hold5/Bet")
	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Hold4/Take")
	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Hold3/W-Up")
	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Hold2/Red/Black")
	PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

INPUT_PORTS_END



static const gfx_layout charlayout =
{
	8,8,    /* 8*8 characters */
	8192,   /* 8192 characters */
	6,      /* 6 bits per pixel */
	{ 8, 0, 0x20000*8+8, 0x20000*8+0, 0x40000*8+8, 0x40000*8+0 }, /* the bitplanes are packed in one byte */
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
	16*8   /* every char takes 32 consecutive bytes */
};

static const gfx_layout charlayout2 =
{
	8,32,   /* 8*32 characters */
	256,    /* 256 characters */
	6,      /* 6 bits per pixel */
	{ 8, 0, 0x10000*8+8, 0x10000*8+0, 0x20000*8+8, 0x20000*8+0 }, /* the bitplanes are packed in one byte */
	{
		0, 1, 2, 3, 4, 5, 6, 7,
	},
	{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
		8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16,
		16*16, 17*16, 18*16, 19*16, 20*16, 21*16, 22*16, 23*16,
		24*16, 25*16, 26*16, 27*16, 28*16, 29*16, 30*16, 31*16 },
	4*16*8   /* every char takes 32 consecutive bytes */
};

static GFXDECODE_START( cpoker )
	GFXDECODE_ENTRY( "gfx1", 0x00000, charlayout,   0, 16 )
GFXDECODE_END

static GFXDECODE_START( csk )
	GFXDECODE_ENTRY( "gfx1", 0x00000, charlayout,   0, 16 )
	GFXDECODE_ENTRY( "gfx2", 0x04000, charlayout2,  0, 16 )
	GFXDECODE_ENTRY( "gfx2", 0x08000, charlayout2,  0, 16 )
	GFXDECODE_ENTRY( "gfx2", 0x0c000, charlayout2,  0, 16 )
	GFXDECODE_ENTRY( "gfx2", 0x00000, charlayout2,  0, 16 )
GFXDECODE_END

static MACHINE_DRIVER_START( cpoker )

	/* basic machine hardware */
	MDRV_CPU_ADD("main",Z80, 3579545)
	MDRV_CPU_PROGRAM_MAP(map,0)
	MDRV_CPU_IO_MAP(cpoker_map,0)
	MDRV_CPU_VBLANK_INT_HACK(cpoker_interrupt,8)

	MDRV_MACHINE_RESET(cpk)

	/* video hardware */
	MDRV_SCREEN_ADD("main", RASTER)
	MDRV_SCREEN_REFRESH_RATE(57)
	MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(64*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0, 32*8-1)

	MDRV_GFXDECODE(cpoker)
	MDRV_PALETTE_LENGTH(2048)

	MDRV_VIDEO_START(cska)
	MDRV_VIDEO_UPDATE(cska)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")
	MDRV_SOUND_ADD("ym", YM2413, 3579545)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)

MACHINE_DRIVER_END

static MACHINE_DRIVER_START( csk227it )

	MDRV_IMPORT_FROM(cpoker)
	MDRV_CPU_MODIFY("main")
	/* basic machine hardware */
	MDRV_CPU_IO_MAP(csk227_map,0)
	MDRV_CPU_VBLANK_INT_HACK(cska_interrupt,8)
	MDRV_GFXDECODE(csk)

MACHINE_DRIVER_END

static MACHINE_DRIVER_START( csk234it )

	MDRV_IMPORT_FROM(cpoker)
	MDRV_CPU_MODIFY("main")
	/* basic machine hardware */
	MDRV_CPU_IO_MAP(csk234_map,0)
	MDRV_CPU_VBLANK_INT_HACK(cska_interrupt,8)
	MDRV_GFXDECODE(csk)

MACHINE_DRIVER_END

/*  ROM Regions definition
 */

ROM_START( cpoker )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "v220i1.bin",  0x0000, 0x8000, CRC(b7cae556) SHA1(bb43ee48634879029ed1a7cd4133d7f12413e2ac) )
	ROM_LOAD( "v220i2.bin",  0x8000, 0x8000, CRC(8245e42c) SHA1(b7e7b9f643e6dc2f4d5aaf7d50d0a9154ed9a4e7) )

	ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "220i1.bin",  0x40000, 0x20000, CRC(9c4c0af1) SHA1(7a9808b3093b23bde7ecc7405689b2a28ae34e61) )
	ROM_LOAD( "220i2.bin",  0x20000, 0x20000, CRC(331fa4b8) SHA1(ddac57251fa5dfecc0988a2ca01eec016ef47f20) )
	ROM_LOAD( "220i3.bin",  0x00000, 0x20000, CRC(bd2f797c) SHA1(5ca5adae44490dd109f630213a09a68c12f9bd1a) )

	ROM_REGION( 0x10000, "gfx3", 0 )	/* expansion rom - contains backgrounds and pictures charmaps */
	ROM_LOAD( "220i7.bin",   0x0000, 0x8000, CRC(8a2ff310) SHA1(a415a99dbb1448b4b2b94e17a3973e6347e3be18) )
ROM_END

ROM_START( csk227it )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "v227i.bin",   0x0000, 0x10000, CRC(df1ebf49) SHA1(829c7575d3d3780557405b3a61859901df6dbe4f) )

	ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "6.227",  0x00000, 0x20000, CRC(e9aad93b) SHA1(72116759cd8ddd9828f534e8f8a3f9f96ad2e002) )
	ROM_LOAD( "5.227",  0x20000, 0x20000, CRC(e4c4c8da) SHA1(0442b0de68f3b69e613506348e00c3cf9139edcf) )
	ROM_LOAD( "4.227",  0x40000, 0x20000, CRC(afb365dd) SHA1(930a4cd516258e703a75afc25ef6b2655b8b696a) )

	ROM_REGION( 0x30000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD( "3.bin",  0x00000, 0x10000, CRC(fcb115ac) SHA1(a9f2b9762413840669cd44f8e54b47a7c4350d11) )	/* extension charset, used for ability game */
	ROM_LOAD( "2.bin",  0x10000, 0x10000, CRC(848343a3) SHA1(b12f9bc2feb470d2fa8b085621fa60c0895109d4) )
	ROM_LOAD( "1.bin",  0x20000, 0x10000, CRC(921ad5de) SHA1(b06ab2e63b31361dcb0367110f47bf2453ecdca6) )

	ROM_REGION( 0x10000, "gfx3", 0 )	/* expansion rom - contains backgrounds and pictures charmaps */
	ROM_LOAD( "7.227",   0x0000, 0x10000, CRC(a10786ad) SHA1(82f5f81808ca70d67a2710cc66fbbf78588b33b5) )
ROM_END

ROM_START( csk234it )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "v234it.bin",   0x0000, 0x10000, CRC(344b7059)  SHA1(990cb84e35c0c50d3be9fbb76a11395114dc6c9b) )

	ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "6.234",  0x00000, 0x20000, CRC(23b855a4) SHA1(8217bac61ad09483d8789113cf394d0e525ab28a) )
	ROM_LOAD( "5.234",  0x20000, 0x20000, CRC(189039d7) SHA1(146fd1ddb23ceaa4192e0382b0ab82f5cfbdabfe) )
	ROM_LOAD( "4.234",  0x40000, 0x20000, CRC(c82b0ffc) SHA1(5ebd7da76d402b7111cbe9012cfa3b8a8ff1a86e) )

	ROM_REGION( 0x30000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD( "3.bin",  0x00000, 0x10000, CRC(fcb115ac) SHA1(a9f2b9762413840669cd44f8e54b47a7c4350d11) )	/* extension charset, used for ability game */
	ROM_LOAD( "2.bin",  0x10000, 0x10000, CRC(848343a3) SHA1(b12f9bc2feb470d2fa8b085621fa60c0895109d4) )
	ROM_LOAD( "1.bin",  0x20000, 0x10000, CRC(921ad5de) SHA1(b06ab2e63b31361dcb0367110f47bf2453ecdca6) )

	ROM_REGION( 0x10000, "gfx3", 0 )	/* expansion rom - contains backgrounds and pictures charmaps */
	ROM_LOAD( "7.234",   0x0000, 0x10000, CRC(ae6dd4ad) SHA1(4772d5c150d64d1ef3b68e16214f594eea0b3c1b) )
ROM_END

/*

Stelle e Cubi

-- most of the roms on this seem to be the wrong size / missing data
   but its appears to be a hack based on Champion Skill

1x Z84c0006
1x 12mhz OSC
1x U6295 sound chip
1x Actel FPGA (gfx chip)

ROMs
Note    1x Battery
5x banks of dipswitch


--

This doesn't attempt to decode the gfx.

*/
ROM_START( stellecu )
	ROM_REGION( 0x20000, "main", 0 )
	/* there is data at 0x18000 which is probably mapped somewhere */
	ROM_LOAD( "u35.bin",   0x0000, 0x20000, CRC(914b7c59) SHA1(3275b5016524467199f32d653c757bfe4f9cfc60) )

	ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE )
	/* seems to be missing half the gfx */
	ROM_LOAD( "u23.bin",   0x0000, 0x40000, BAD_DUMP CRC(9d95757d) SHA1(f7f44d684f1f3a5b1e9c0a82f4377c6d79eb4214) )

	ROM_REGION( 0x40000, "gfx2", ROMREGION_DISPOSE )
	/* seems to be missing half the gfx */
	ROM_LOAD( "u25.bin",   0x0000, 0x40000, BAD_DUMP CRC(63094010) SHA1(a781f1c529167dd0ab411c66b72105fc19e32f02) )

	ROM_REGION( 0x10000, "gfx3", ROMREGION_ERASE00 )

	ROM_REGION( 0x40000, "oki", 0 ) /* Oki Samples */
	/* missing sample tables at start of rom */
	ROM_LOAD( "u15.bin",   0x0000, 0x40000, BAD_DUMP CRC(72e3e9c1) SHA1(6a8fb93059bee5a4e4b4deb9fee4b5869e53983b) )
ROM_END

/*  Decode a simple PAL encryption
 */

static DRIVER_INIT( cpoker )
{
	int A;
	UINT8 *rom = memory_region(machine, "main");


	for (A = 0;A < 0x10000;A++)
	{
		rom[A] ^= 0x21;
		if ((A & 0x0030) == 0x0010) rom[A] ^= 0x20;
		if ((A & 0x0282) == 0x0282) rom[A] ^= 0x01;
		if ((A & 0x0940) == 0x0940) rom[A] ^= 0x02;
	}
}

static DRIVER_INIT( cpokert )
{
	UINT8 *rom = memory_region(machine, "main");
	int i;

	/* decrypt the program ROM */
	for (i = 0;i < 0x10000;i++)
	{
		if((i & 0x200) && (i & 0x80))
		{
			rom[i] ^= ((~i & 2) >> 1);
		}
		else
		{
			rom[i] ^= 0x01;
		}

		if((i & 0x30) != 0x10)
		{
			rom[i] ^= 0x20;
		}

		if((i & 0x900) == 0x900 && ((i & 0xc0) == 0x40 || (i & 0xc0) == 0xc0))
		{
			rom[i] ^= 0x02;
		}
	}
}

static DRIVER_INIT( cska )
{
	int A;
	UINT8 *rom = memory_region(machine, "main");


	for (A = 0;A < 0x10000;A++)
	{
		if ((A & 0x0020) == 0x0000) rom[A] ^= 0x01;
		if ((A & 0x0020) == 0x0020) rom[A] ^= 0x21;
		if ((A & 0x0282) == 0x0282) rom[A] ^= 0x01;
		if ((A & 0x0028) == 0x0028) rom[A] ^= 0x20;
		if ((A & 0x0940) == 0x0940) rom[A] ^= 0x02;
	}
}

/*

1x ZILOG Z0840006PSC-Z80CPU (main)
1x YM2413 (sound)
1x NEC D8255AC (label: ORIGINAL BY IGS 102986)
1x oscillator 12.000MHz (main)
1x oscillator 3.579545MHz (sound)

1x custom QFP80 label AMT001
1x custom QFP80 label IGS002
1x custom DIP40 label IGS003 (under chip label 8255)

ROMs

3x MX27C1000DC (4,5,6)
1x NM27C256Q (7)
1x 27C512 (200)
2x PEEL18CV8P (8,9)
1x PAL16L8ACN (31)
2x PEEL18CV8P (12,14) <-> UNREADABLE, protected!

Note

1x 10x2 edge connector (con1) (looks like a coin payout)
1x 36x2 edge connector (con2)
1x pushbutton (sw6)
5x 8 switches dips (sw1-5)
1x trimmer (volume)
----------------------
IGS PCB NO-T0039-8

*/

ROM_START( cpokert )
	ROM_REGION( 0x10000, "main", 0 )
	ROM_LOAD( "champingv-200g.u23", 0x00000, 0x10000, CRC(696cb684) SHA1(ce9e5bed83d0bd3b115f556cc89e3293ac6b69c3) )

	ROM_REGION( 0x60000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "cpoker6.u6", 0x00000, 0x20000, CRC(f3e61b24) SHA1(b18998defb6e51daef4ac5a5865674565ffb9029) )
	ROM_LOAD( "cpoker5.u5", 0x20000, 0x20000, CRC(a68b305f) SHA1(f872d2bf7ab194145dffe6b254ae0ad66aa6a497) )
	ROM_LOAD( "cpoker4.u4", 0x40000, 0x20000, CRC(860be7c9) SHA1(41bc58713076276aeefc44c7ea903549692b0224) )

	//copy?
	ROM_REGION( 0x60000, "gfx2", ROMREGION_DISPOSE )
	ROM_COPY( "gfx1", 0, 0, 0x60000 )

	ROM_REGION( 0x10000, "gfx3", 0 )	/* expansion rom - contains backgrounds and pictures charmaps */
	ROM_LOAD( "cpoker7.u22", 0x0000, 0x8000, CRC(dae3ecda) SHA1(c881e143ec600c5a931f26cd097da6353e1da7c3) )

	// convert them to the pld format
	ROM_REGION( 0x2000, "plds", ROMREGION_DISPOSE )
	ROM_LOAD( "ag-u31.u31", 0x00000, 0x000b60, CRC(fd36baf2) SHA1(caac8bf47bc958395f97b6191569196efe3b3eaa) )
	ROM_LOAD( "ag-u8.u8",   0x00000, 0x0015e2, CRC(c0308c63) SHA1(16819a5c147fef38a235675fa4442da9fa8a6618) )
	ROM_LOAD( "ag-u9.u9",   0x00000, 0x0015e2, CRC(2e8039a3) SHA1(e39635ee9485a5ccd28526f1af7ec2e3294b0aec) )
ROM_END


GAME( 1993?, cpoker,   0,        cpoker,   cpoker, cpoker,  ROT0, "IGS",    "Champion Poker (v220I)",                    0 )
GAME( 1993?, cpokert,  cpoker,   cpoker,   cpoker, cpokert, ROT0, "Tuning", "Champion Poker (v200G)",                    0 )
GAME( 198?,  csk227it, 0,        csk227it, csk227, cska,    ROT0, "IGS",    "Champion Skill (with Ability)",             0 ) /* SU 062 */
GAME( 198?,  csk234it, csk227it, csk234it, csk234, cska,    ROT0, "IGS",    "Champion Skill (Ability, Poker & Symbols)", 0 ) /* SU 062 */

GAME( 1998, stellecu, 0,        csk234it, csk234, 0,       ROT0, "Sure",   "Stelle e Cubi (Italy)",                     GAME_NOT_WORKING )