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

  Hana Awase driver by Zsolt Vasvari

  edge connector
  ----------------------------
      GND   |A| 1|    GND
      GND   |B| 1|  1P "3"
      +5V   |C| 3|    +5V
      NC    |D| 4|    NC
     +12V   |E| 5|   +12V
  SPEAKER(+)|F| 6|SPEAKER(-)
     SYNC   |H| 7|    NC
       B    |J| 8|SERVICE SW
       G    |K| 9|  COIN SW
       R    |L|10|    NC
      NC    |M|11| 1P,2P "10"
    2P "11" |N|12| 1P,2P "9"
    2P "4"  |P|13| 1P,2P "8"
      NC    |R|14| 1P,2P "7"
    1P "4"  |S|15| 1P,2P "5"
    1P "11" |T|16| 1P,2P "6"
      NC    |U|17|    NC
    1P "1"  |V|18|  1P "2"

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "includes/hanaawas.h"

static READ8_HANDLER( hanaawas_input_port_0_r )
{
	hanaawas_state *state = space->machine().driver_data<hanaawas_state>();
	int i, ordinal = 0;
	UINT16 buttons = 0;

	switch (state->m_mux)
	{
	case 1: /* start buttons */
		buttons = input_port_read(space->machine(), "START");
		break;
	case 2: /* player 1 buttons */
		buttons = input_port_read(space->machine(), "P1");
		break;
	case 4: /* player 2 buttons */
		buttons = input_port_read(space->machine(), "P2");
		break;
	}


	/* map button pressed into 1-10 range */

	for (i = 0; i < 10; i++)
	{
		if (buttons & (1 << i))
		{
			ordinal = (i + 1);
			break;
		}
	}

	return (input_port_read(space->machine(), "IN0") & 0xf0) | ordinal;
}

static WRITE8_HANDLER( hanaawas_inputs_mux_w )
{
	hanaawas_state *state = space->machine().driver_data<hanaawas_state>();
	state->m_mux = data;
}

static ADDRESS_MAP_START( hanaawas_map, AS_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x2fff) AM_ROM
	AM_RANGE(0x4000, 0x4fff) AM_ROM
	AM_RANGE(0x6000, 0x6fff) AM_ROM
	AM_RANGE(0x8000, 0x83ff) AM_RAM_WRITE(hanaawas_videoram_w) AM_BASE_MEMBER(hanaawas_state, m_videoram)
	AM_RANGE(0x8400, 0x87ff) AM_RAM_WRITE(hanaawas_colorram_w) AM_BASE_MEMBER(hanaawas_state, m_colorram)
	AM_RANGE(0x8800, 0x8bff) AM_RAM
ADDRESS_MAP_END


static ADDRESS_MAP_START( io_map, AS_IO, 8 )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_READWRITE(hanaawas_input_port_0_r, hanaawas_inputs_mux_w)
	AM_RANGE(0x01, 0x01) AM_READNOP /* it must return 0 */
	AM_RANGE(0x10, 0x10) AM_DEVREAD("aysnd", ay8910_r)
	AM_RANGE(0x10, 0x11) AM_DEVWRITE("aysnd", ay8910_address_data_w)
ADDRESS_MAP_END

static INPUT_PORTS_START( hanaawas )
	PORT_START("IN0")
	PORT_BIT( 0x0f, IP_ACTIVE_HIGH, IPT_SPECIAL )
	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_COIN1 ) PORT_IMPULSE(1)

	PORT_START("DSW")
	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x01, DEF_STR( On ) )
	PORT_DIPNAME( 0x06, 0x00, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, "1" )
	PORT_DIPSETTING(    0x02, "1.5" )
	PORT_DIPSETTING(    0x04, "2" )
	PORT_DIPSETTING(    0x06, "2.5" )
	PORT_DIPNAME( 0x18, 0x10, "Key Time-Out" )
	PORT_DIPSETTING(    0x00, "15 sec" )
	PORT_DIPSETTING(    0x08, "20 sec" )
	PORT_DIPSETTING(    0x10, "25 sec" )
	PORT_DIPSETTING(    0x18, "30 sec" )
	PORT_DIPNAME( 0x20, 0x00, "Time Per Coin" )
	PORT_DIPSETTING(    0x20, "50" )
	PORT_DIPSETTING(    0x00, "100" )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 1C_2C ) )

	/* fake port.  The button depressed gets converted to an integer in the 1-10 range */
	PORT_START("P1")
	PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_HANAFUDA_A )
	PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_HANAFUDA_B )
	PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_HANAFUDA_C )
	PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_HANAFUDA_D )
	PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_HANAFUDA_E )
	PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_HANAFUDA_F )
	PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_HANAFUDA_G )
	PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_HANAFUDA_H )
	PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_HANAFUDA_YES )
	PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_HANAFUDA_NO )

	/* fake port.  The button depressed gets converted to an integer in the 1-10 range */
	PORT_START("P2")
	PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_HANAFUDA_A ) PORT_PLAYER(2)
	PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_HANAFUDA_B ) PORT_PLAYER(2)
	PORT_BIT( 0x004, IP_ACTIVE_HIGH, IPT_HANAFUDA_C ) PORT_PLAYER(2)
	PORT_BIT( 0x008, IP_ACTIVE_HIGH, IPT_HANAFUDA_D ) PORT_PLAYER(2)
	PORT_BIT( 0x010, IP_ACTIVE_HIGH, IPT_HANAFUDA_E ) PORT_PLAYER(2)
	PORT_BIT( 0x020, IP_ACTIVE_HIGH, IPT_HANAFUDA_F ) PORT_PLAYER(2)
	PORT_BIT( 0x040, IP_ACTIVE_HIGH, IPT_HANAFUDA_G ) PORT_PLAYER(2)
	PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_HANAFUDA_H ) PORT_PLAYER(2)
	PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_HANAFUDA_YES ) PORT_PLAYER(2)
	PORT_BIT( 0x200, IP_ACTIVE_HIGH, IPT_HANAFUDA_NO ) PORT_PLAYER(2)

	PORT_START("START")
	PORT_BIT( 0x001, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x002, IP_ACTIVE_HIGH, IPT_START2 )
INPUT_PORTS_END


#define GFX(name, offs1, offs2, offs3)				\
static const gfx_layout name =						\
{													\
	8,8,    /* 8*8 chars */							\
	512,    /* 512 characters */					\
	3,      /* 3 bits per pixel */					\
	{ offs1, offs2, offs3 },  /* bitplanes */		\
	{ 8*8+0, 8*8+1, 8*8+2, 8*8+3, 0, 1, 2, 3 },		\
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },		\
	8*16     /* every char takes 16 consecutive bytes */	\
};

GFX( charlayout_1bpp, 0x2000*8+4, 0x2000*8+4, 0x2000*8+4 )
GFX( charlayout_3bpp, 0x2000*8,   0,          4          )

static GFXDECODE_START( hanaawas )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout_1bpp, 0, 32 )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout_3bpp, 0, 32 )
GFXDECODE_END


static const ay8910_interface ay8910_config =
{
	AY8910_LEGACY_OUTPUT,
	AY8910_DEFAULT_LOADS,
	DEVCB_INPUT_PORT("DSW"),
	DEVCB_NULL,
	DEVCB_NULL,
	DEVCB_HANDLER(hanaawas_portB_w)
};


static MACHINE_START( hanaawas )
{
	hanaawas_state *state = machine.driver_data<hanaawas_state>();

	state->save_item(NAME(state->m_mux));
}

static MACHINE_RESET( hanaawas )
{
	hanaawas_state *state = machine.driver_data<hanaawas_state>();

	state->m_mux = 0;
}

static MACHINE_CONFIG_START( hanaawas, hanaawas_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80,18432000/6)	/* 3.072 MHz ??? */
	MCFG_CPU_PROGRAM_MAP(hanaawas_map)
	MCFG_CPU_IO_MAP(io_map)
	MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)

	MCFG_MACHINE_START(hanaawas)
	MCFG_MACHINE_RESET(hanaawas)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
	MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MCFG_SCREEN_SIZE(32*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
	MCFG_SCREEN_UPDATE(hanaawas)

	MCFG_GFXDECODE(hanaawas)
	MCFG_PALETTE_LENGTH(32*8)

	MCFG_PALETTE_INIT(hanaawas)
	MCFG_VIDEO_START(hanaawas)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_SOUND_ADD("aysnd", AY8910, 18432000/12)
	MCFG_SOUND_CONFIG(ay8910_config)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END


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

  Game driver(s)

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

ROM_START( hanaawas )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "1.1e",   	0x0000, 0x2000, CRC(618dc1e3) SHA1(31817f256512352db0d27322998d9dcf95a993cf) )
	ROM_LOAD( "2.3e",   	0x2000, 0x1000, CRC(5091b67f) SHA1(5a66740b8829b9b4d3aea274f9ff36e0b9e8c151) )
	ROM_LOAD( "3.4e",   	0x4000, 0x1000, CRC(dcb65067) SHA1(37964ff4016bd927b9f13b4358b831bb667f993b) )
	ROM_LOAD( "4.6e",   	0x6000, 0x1000, CRC(24bee0dc) SHA1(a4237ad3611c923b563923462e79b0b3f66cc721) )

	ROM_REGION( 0x4000, "gfx1", 0 )
	ROM_LOAD( "5.9a",		0x0000, 0x1000, CRC(304ae219) SHA1(c1eac4973a6aec9fd8e848c206870667a8bb0922) )
	ROM_LOAD( "6.10a",		0x1000, 0x1000, CRC(765a4e5f) SHA1(b2f148c60cffb75d1a841be8b924a874bff22ce4) )
	ROM_LOAD( "7.12a",		0x2000, 0x1000, CRC(5245af2d) SHA1(a1262fa5828a52de28cc953ab465cbc719c56c32) )
	ROM_LOAD( "8.13a",		0x3000, 0x1000, CRC(3356ddce) SHA1(68818d0692fca548a49a74209bd0ef6f16484eba) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "13j.bpr",	0x0000, 0x0020, CRC(99300d85) SHA1(dd383db1f3c8c6d784121d32f20ffed3d83e2278) )	/* color PROM */
	ROM_LOAD( "2a.bpr",		0x0020, 0x0100, CRC(e26f21a2) SHA1(d0df06f833e0f97872d9d2ffeb7feef94aaaa02a) )	/* lookup table */
	ROM_LOAD( "6g.bpr",		0x0120, 0x0100, CRC(4d94fed5) SHA1(3ea8e6fb95d5677991dc90fe7435f91e5320bb16) )	/* I don't know what this is */
ROM_END


GAME( 1982, hanaawas, 0, hanaawas, hanaawas, 0, ROT0, "Seta Kikaku, Ltd.", "Hana Awase", GAME_SUPPORTS_SAVE )
