/*********************************************************
Chance 32
PAL System Co, Ltd.
Osaka, Japan.
Driver by David Haywood, Angelo Salese & Roberto Fresca.
1x HD46505SP / HD6845SP
1x Z84C0008PEC
XTAL: 12.000 Mhz
*********************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/okim6295.h"
#include "video/mc6845.h"
#include "chance32.lh"
class chance32_state : public driver_device
{
public:
chance32_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_fgram(*this, "fgram"),
m_bgram(*this, "bgram")
{ }
DECLARE_WRITE8_MEMBER(chance32_fgram_w)
{
m_fgram[offset] = data;
m_fg_tilemap->mark_tile_dirty(offset / 2);
}
DECLARE_WRITE8_MEMBER(chance32_bgram_w)
{
m_bgram[offset] = data;
m_bg_tilemap->mark_tile_dirty(offset / 2);
}
DECLARE_WRITE8_MEMBER(mux_w);
DECLARE_WRITE8_MEMBER(muxout_w);
DECLARE_READ8_MEMBER(mux_r);
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
required_shared_ptr<UINT8> m_fgram;
required_shared_ptr<UINT8> m_bgram;
UINT8 mux_data;
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_chance32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
TILE_GET_INFO_MEMBER(chance32_state::get_fg_tile_info)
{
int code = (m_fgram[tile_index * 2 + 1] << 8) | m_fgram[tile_index * 2];
int flip = (~code >> 12)&1;
SET_TILE_INFO_MEMBER(
1,
code & 0x0fff,
code >> 13,
TILE_FLIPYX(flip<<1)|flip);
}
TILE_GET_INFO_MEMBER(chance32_state::get_bg_tile_info)
{
int code = (m_bgram[tile_index * 2 +1] << 8) | m_bgram[tile_index * 2];
int flip = (~code >> 12)&1;
SET_TILE_INFO_MEMBER(
0,
code & 0x0fff,
code >> 13,
TILE_FLIPYX(flip<<1|flip));
}
void chance32_state::video_start()
{
m_fg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(chance32_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 8, 35, 29);
m_fg_tilemap->set_transparent_pen(0);
m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(chance32_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 8, 35, 29);
m_fg_tilemap->set_flip(TILE_FLIPX|TILE_FLIPY);
m_bg_tilemap->set_flip(TILE_FLIPX|TILE_FLIPY);
}
UINT32 chance32_state::screen_update_chance32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
/* TODO: wtf? */
m_bg_tilemap->set_scrollx(0, 352);
m_bg_tilemap->set_scrolly(0, 160);
m_fg_tilemap->set_scrollx(0, 352);
m_fg_tilemap->set_scrolly(0, 160);
m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
m_fg_tilemap->draw(bitmap, cliprect, 0, 0);
return 0;
}
WRITE8_MEMBER(chance32_state::mux_w)
{
mux_data = data;
}
READ8_MEMBER(chance32_state::mux_r)
{
UINT8 res,i;
const char *const muxnames[4] = { "IN0", "IN1", "IN2", "IN3" };
res = 0;
for(i=0;i<4;i++)
{
if(mux_data & 1 << i)
res |= ioport(muxnames[i])->read();
}
return res;
}
WRITE8_MEMBER(chance32_state::muxout_w)
{
/* Muxed Lamps
There are 2 groups of 7 output lines muxed in port 60h
The first bit is the group/mux selector.
- bits -
7654 3210
---- ---x Mux selector.
---- --x- Small / Big lamps.
---- -x-- Big / Small lamps.
---- x--- Hold 5 lamp.
---x ---- Hold 4 lamp.
--x- ---- Hold 3 lamp.
-x-- ---- Hold 2 lamp.
x--- ---- Hold 1 lamp.
(alt state)
- bits -
7654 3210
---- ---x Mux selector.
---- --x- unknown...
---- -x-- Fever lamp
---- x--- Cancel lamp.
---x ---- D-Up / Take lamps.
--x- ---- Take / D-Up lamps.
-x-- ---- Deal lamp.
x--- ---- Bet lamp.
*/
if (data & 1) // bit 0 is the mux selector.
{
output_set_lamp_value(0, (data >> 1) & 1); /* Lamp 0 - Small / Big */
output_set_lamp_value(1, (data >> 2) & 1); /* Lamp 1 - Big / Small */
output_set_lamp_value(2, (data >> 3) & 1); /* Lamp 2 - Hold 5 */
output_set_lamp_value(3, (data >> 4) & 1); /* Lamp 3 - Hold 4 */
output_set_lamp_value(4, (data >> 5) & 1); /* Lamp 4 - Hold 3 */
output_set_lamp_value(5, (data >> 6) & 1); /* Lamp 5 - Hold 2 */
output_set_lamp_value(6, (data >> 7) & 1); /* Lamp 6 - Hold 1 */
logerror("Lamps A: %02x\n", data);
}
else
{
// bit 1 is unknown...
output_set_lamp_value(7, (data >> 2) & 1); /* Lamp 7 - Fever! */
output_set_lamp_value(8, (data >> 3) & 1); /* Lamp 8 - Cancel */
output_set_lamp_value(9, (data >> 4) & 1); /* Lamp 9 - D-Up / Take */
output_set_lamp_value(10, (data >> 5) & 1); /* Lamp 10 - Take / D-Up */
output_set_lamp_value(11, (data >> 6) & 1); /* Lamp 11 - Deal */
output_set_lamp_value(12, (data >> 7) & 1); /* Lamp 12 - Bet */
logerror("Lamps B: %02x\n", data);
}
}
static ADDRESS_MAP_START( chance32_map, AS_PROGRAM, 8, chance32_state )
AM_RANGE(0x0000, 0xcfff) AM_ROM
AM_RANGE(0xd800, 0xdfff) AM_RAM
AM_RANGE(0xe000, 0xefff) AM_RAM_WRITE(paletteram_xGGGGGRRRRRBBBBB_byte_le_w) AM_SHARE("paletteram")
AM_RANGE(0xf000, 0xf7ff) AM_RAM_WRITE(chance32_fgram_w) AM_SHARE("fgram")
AM_RANGE(0xf800, 0xffff) AM_RAM_WRITE(chance32_bgram_w) AM_SHARE("bgram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( chance32_portmap, AS_IO, 8, chance32_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x10, 0x10) AM_WRITENOP // writting bit3 constantly... watchdog?
AM_RANGE(0x13, 0x13) AM_WRITE(mux_w)
AM_RANGE(0x20, 0x20) AM_READ_PORT("DSW0")
AM_RANGE(0x21, 0x21) AM_READ_PORT("DSW1")
AM_RANGE(0x22, 0x22) AM_READ_PORT("DSW2")
AM_RANGE(0x23, 0x23) AM_READ_PORT("DSW3")
AM_RANGE(0x24, 0x24) AM_READ_PORT("DSW4")
AM_RANGE(0x25, 0x25) AM_READ(mux_r)
AM_RANGE(0x26, 0x26) AM_READ_PORT("UNK") // vblank (other bits are checked for different reasons)
AM_RANGE(0x30, 0x30) AM_DEVWRITE("crtc", mc6845_device, address_w)
AM_RANGE(0x31, 0x31) AM_DEVWRITE("crtc", mc6845_device, register_w)
AM_RANGE(0x50, 0x50) AM_DEVREADWRITE("oki", okim6295_device, read, write)
AM_RANGE(0x60, 0x60) AM_WRITE(muxout_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( chance32 )
PORT_START("DSW0")
PORT_DIPNAME( 0x01, 0x00, "DSW0" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, "Auto Max Bet" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Flip_Screen ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0xc0, 0x00, "Maximum Bet" )
PORT_DIPSETTING( 0x00, "10" )
PORT_DIPSETTING( 0x40, "20" )
PORT_DIPSETTING( 0x80, "30" )
PORT_DIPSETTING( 0xc0, "50" )
PORT_START("DSW1")
PORT_DIPNAME( 0x01, 0x00, "DSW1" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, "Auto Hold" )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, "Double-Up Type" )
PORT_DIPSETTING( 0x00, "Holds" )
PORT_DIPSETTING( 0x80, "Big/Small" )
PORT_START("DSW2")
PORT_DIPNAME( 0x07, 0x00, "Remote" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPSETTING( 0x01, "10" )
PORT_DIPSETTING( 0x02, "20" )
PORT_DIPSETTING( 0x03, "25" )
PORT_DIPSETTING( 0x04, "40" )
PORT_DIPSETTING( 0x05, "50" )
PORT_DIPSETTING( 0x06, "60" )
PORT_DIPSETTING( 0x07, "100" )
PORT_DIPNAME( 0x38, 0x00, "A-B Coinage Multiplier" )
PORT_DIPSETTING( 0x00, "x1" )
PORT_DIPSETTING( 0x08, "x2" )
PORT_DIPSETTING( 0x10, "x4" )
PORT_DIPSETTING( 0x18, "x5" )
PORT_DIPSETTING( 0x20, "x6" )
PORT_DIPSETTING( 0x28, "x10" )
PORT_DIPSETTING( 0x30, "x25" )
PORT_DIPSETTING( 0x38, "x50" )
PORT_DIPNAME( 0x40, 0x00, "DSW2" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("DSW3")
PORT_DIPNAME( 0x01, 0x00, "DSW3" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("DSW4")
PORT_DIPNAME( 0x01, 0x00, "DSW4" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x06, 0x00, "Bet Limit" )
PORT_DIPSETTING( 0x00, "5000" )
PORT_DIPSETTING( 0x02, "10000" )
PORT_DIPSETTING( 0x04, "20000" )
PORT_DIPSETTING( 0x06, "30000" )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("UNK")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") /* Otherwise is a 'Freeze' DIP switch */
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_POKER_CANCEL )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_GAMBLE_DEAL )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_GAMBLE_D_UP )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_GAMBLE_BOOK )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_POKER_BET )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("IN1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_POKER_HOLD1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_POKER_HOLD2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_POKER_HOLD3 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_POKER_HOLD4 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_POKER_HOLD5 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("IN2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_GAMBLE_LOW ) PORT_NAME("Small / DIP Test (In Book Mode)")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_GAMBLE_PAYOUT ) // payout (hopper jam)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_GAMBLE_TAKE )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_GAMBLE_HIGH ) PORT_NAME("Big")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("IN3")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(3) PORT_NAME("Coin A")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CODE(KEYCODE_R) PORT_NAME("Reset")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(3) PORT_NAME("Coin B")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CODE(KEYCODE_8) PORT_NAME("Flip Screen 1") /* unknown purpose */
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CODE(KEYCODE_9) PORT_NAME("Flip Screen 2") /* unknown purpose */
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_GAMBLE_KEYIN)
INPUT_PORTS_END
static const gfx_layout tiles8x8_layout =
{
16,8,
RGN_FRAC(1,1),
8,
{ 0, 1, 2, 3,4,5,6,7 },
{ 15*8, 14*8, 13*8, 12*8, 11*8, 10*8, 9*8, 8*8, 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 },
{ 7*128, 6*128, 5*128, 4*128, 3*128, 2*128, 1*128, 0*128 },
128*8
};
static GFXDECODE_START( chance32 )
GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 8 )
GFXDECODE_ENTRY( "gfx2", 0, tiles8x8_layout, 0, 8 )
GFXDECODE_END
void chance32_state::machine_start()
{
}
void chance32_state::machine_reset()
{
}
static const mc6845_interface mc6845_intf =
{
"screen", /* screen we are acting on */
16, /* 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 */
};
static MACHINE_CONFIG_START( chance32, chance32_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80,12000000/2)
MCFG_CPU_PROGRAM_MAP(chance32_map)
MCFG_CPU_IO_MAP(chance32_portmap)
MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(52.786)
// MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE(40*16, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0, 35*16-1, 0, 29*8-1)
MCFG_SCREEN_UPDATE_DRIVER(chance32_state, screen_update_chance32)
MCFG_MC6845_ADD("crtc", H46505, 12000000/16, mc6845_intf) /* 52.786 Hz (similar to Major Poker) */
MCFG_GFXDECODE(chance32)
MCFG_PALETTE_LENGTH(0x800)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
/* clock at 1050 kHz match the 8000 Hz samples stored inside the ROM */
MCFG_OKIM6295_ADD("oki", XTAL_1_056MHz, OKIM6295_PIN7_HIGH) // clock frequency & pin 7 not verified
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END
ROM_START( chance32 )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "0.u52", 0x00000, 0x10000, CRC(331048b2) SHA1(deb4da570b3efe6e15deefb6351f925b642b4614) )
ROM_REGION( 0x80000, "gfx1", ROMREGION_INVERT )
ROM_LOAD16_BYTE( "4.u64", 0x00001, 0x20000, CRC(da80d9bd) SHA1(3b5235ab59fd55f0ec5584b3cf1aa5c8f36c76f6) )
ROM_LOAD16_BYTE( "5.u65", 0x00000, 0x20000, CRC(7528773b) SHA1(95c8e55cdec2c5c1dcdcc5a7edc6e590e3829f92) )
ROM_LOAD16_BYTE( "6.u66", 0x40001, 0x20000, CRC(cee2ffb0) SHA1(527c2072d39484317b0320afd975df1bbe244a01) )
ROM_LOAD16_BYTE( "7.u67", 0x40000, 0x20000, CRC(42dc4b69) SHA1(44c8f902db4c7ac235d5ea15d1b509f98663690a) )
ROM_REGION( 0x40000, "gfx2", ROMREGION_INVERT )
ROM_LOAD16_BYTE( "1.u71", 0x00001, 0x20000, CRC(f8e85873) SHA1(6ad24f7fcbc62a03180e168d70239df1ce662f0d) )
ROM_LOAD16_BYTE( "2.u72", 0x00000, 0x20000, CRC(860b534d) SHA1(44649ea93acdf173356bfcd7e81916253b52c378) )
ROM_REGION( 0x40000, "oki", 0 )
ROM_LOAD( "8.u21", 0x00000, 0x40000, CRC(161b35dd) SHA1(d20a75a4c4ed9cd9cfc12faee921122274840f06) )
ROM_REGION( 0x40000, "gals", 0 ) // no idea if these are any good
ROM_LOAD( "gal20v8a.u53.jed.bin", 0x0000, 0x157, CRC(9f680800) SHA1(2fa41ead85136e851d465432a7b9d3ec848c7a22) )
ROM_LOAD( "gal20v8a.u54.jed.bin", 0x0000, 0x157, CRC(9f680800) SHA1(2fa41ead85136e851d465432a7b9d3ec848c7a22) )
ROM_LOAD( "gal20v8a.u55.jed.bin", 0x0000, 0x157, CRC(9f680800) SHA1(2fa41ead85136e851d465432a7b9d3ec848c7a22) )
ROM_LOAD( "gal20v8a.u56.jed.bin", 0x0000, 0x157, CRC(6bab01ad) SHA1(c69e4be41a989a52788af8062f48bbe26bc3dab8) )
ROM_LOAD( "gal20v8a.u57.jed.bin", 0x0000, 0x157, CRC(787c4159) SHA1(f4a869b317c6be1024f1ca21bcc4af478c8227c8) )
ROM_LOAD( "gal20v8a.u58.jed.bin", 0x0000, 0x157, CRC(7b16053b) SHA1(cdb289d4f27c7a1a918393943bb8db9712e2f52e) )
ROM_LOAD( "gal16v8a.u47.jed.bin", 0x0000, 0x117, CRC(a733f0de) SHA1(6eec26043cedb3cae4efe93faa84a07327be468b) )
ROM_LOAD( "gal16v8a.u48.jed.bin", 0x0000, 0x117, CRC(5f1360ef) SHA1(56e4ee0dbae5602d810b2f7c744a71eb1a1e08a8) )
ROM_LOAD( "gal16v8a.u32.jed.bin", 0x0000, 0x117, CRC(c0784cd1) SHA1(0ae2ce482d379e29c2a9f130fc0d9ed928faef98) )
ROM_LOAD( "gal16v8a.u24.jed.bin", 0x0000, 0x117, CRC(a733f0de) SHA1(6eec26043cedb3cae4efe93faa84a07327be468b) )
ROM_END
/*************************
* Game Drivers *
*************************/
/* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS LAYOUT */
GAMEL( 19??, chance32, 0, chance32, chance32, driver_device, 0, ROT0, "PAL System Co, Ltd.", "Chance Thirty Two", 0, layout_chance32 )