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

    Pooyan

    Original driver by Allard Van Der Bas

    This hardware is very similar to Time Pilot.

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

#include "driver.h"
#include "cpu/z80/z80.h"
#include "pooyan.h"
#include "audio/timeplt.h"


#define MASTER_CLOCK		XTAL_18_432MHz



static UINT8 irq_enable;


/*************************************
 *
 *  Interrupts
 *
 *************************************/

static MACHINE_START( pooyan )
{
	state_save_register_global(machine, irq_enable);
}


static INTERRUPT_GEN( pooyan_interrupt )
{
	if (irq_enable)
		cpu_set_input_line(device, INPUT_LINE_NMI, ASSERT_LINE);
}


static WRITE8_HANDLER( irq_enable_w )
{
	irq_enable = data & 1;
	if (!irq_enable)
		cputag_set_input_line(space->machine, "maincpu", INPUT_LINE_NMI, CLEAR_LINE);
}



/*************************************
 *
 *  Memory maps
 *
 *************************************/

static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0x8000, 0x83ff) AM_RAM_WRITE(pooyan_colorram_w) AM_BASE(&colorram)
	AM_RANGE(0x8400, 0x87ff) AM_RAM_WRITE(pooyan_videoram_w) AM_BASE(&videoram)
	AM_RANGE(0x8800, 0x8fff) AM_RAM
	AM_RANGE(0x9000, 0x90ff) AM_MIRROR(0x0b00) AM_RAM AM_BASE(&spriteram)
	AM_RANGE(0x9400, 0x94ff) AM_MIRROR(0x0b00) AM_RAM AM_BASE(&spriteram_2)
	AM_RANGE(0xa000, 0xa000) AM_MIRROR(0x5e7f) AM_READ_PORT("DSW1")
	AM_RANGE(0xa080, 0xa080) AM_MIRROR(0x5e1f) AM_READ_PORT("IN0")
	AM_RANGE(0xa0a0, 0xa0a0) AM_MIRROR(0x5e1f) AM_READ_PORT("IN1")
	AM_RANGE(0xa0c0, 0xa0c0) AM_MIRROR(0x5e1f) AM_READ_PORT("IN2")
	AM_RANGE(0xa0e0, 0xa0e0) AM_MIRROR(0x5e1f) AM_READ_PORT("DSW0")
	AM_RANGE(0xa000, 0xa000) AM_MIRROR(0x5e7f) AM_WRITE(watchdog_reset_w)
	AM_RANGE(0xa100, 0xa100) AM_MIRROR(0x5e7f) AM_WRITE(soundlatch_w)
	AM_RANGE(0xa180, 0xa180) AM_MIRROR(0x5e78) AM_WRITE(irq_enable_w)
	AM_RANGE(0xa181, 0xa181) AM_MIRROR(0x5e78) AM_WRITE(timeplt_sh_irqtrigger_w)
	AM_RANGE(0xa183, 0xa183) AM_MIRROR(0x5e78) AM_WRITENOP // ???
	AM_RANGE(0xa187, 0xa187) AM_MIRROR(0x5e78) AM_WRITE(pooyan_flipscreen_w)
ADDRESS_MAP_END



/*************************************
 *
 *  Port definitions
 *
 *************************************/

static INPUT_PORTS_START( pooyan )
	PORT_START("IN0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("IN1")
	PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_2WAY
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_2WAY
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("IN2")
	PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("DSW0")
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, "Invalid" )
	/* Invalid = both coin slots disabled */

	PORT_START("DSW1")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "256" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Bonus_Life ) )
	PORT_DIPSETTING(    0x08, "50K 80K+" )
	PORT_DIPSETTING(    0x00, "30K 70K+" )
	PORT_DIPNAME( 0x70, 0x70, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x70, "1 (Easy)" )
	PORT_DIPSETTING(    0x60, "2" )
	PORT_DIPSETTING(    0x50, "3" )
	PORT_DIPSETTING(    0x40, "4" )
	PORT_DIPSETTING(    0x30, "5" )
	PORT_DIPSETTING(    0x20, "6" )
	PORT_DIPSETTING(    0x10, "7" )
	PORT_DIPSETTING(    0x00, "8 (Hard)" )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END



/*************************************
 *
 *  Graphics layouts
 *
 *************************************/

static const gfx_layout charlayout =
{
	8,8,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+4, RGN_FRAC(1,2)+0, 4, 0 },
	{ STEP4(0,1), STEP4(8*8,1) },
	{ STEP8(0,8) },
	16*8
};

static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,2),
	4,
	{ RGN_FRAC(1,2)+4, RGN_FRAC(1,2)+0, 4, 0 },
	{ STEP4(0,1), STEP4(8*8,1), STEP4(16*8,1), STEP4(24*8,1) },
	{ STEP8(0,8), STEP8(32*8,8) },
	64*8
};


static GFXDECODE_START( pooyan )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout,       0, 16 )
	GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 16*16, 16 )
GFXDECODE_END



/*************************************
 *
 *  Machine drivers
 *
 *************************************/

static MACHINE_DRIVER_START( pooyan )

	/* basic machine hardware */
	MDRV_CPU_ADD("maincpu", Z80, MASTER_CLOCK/3/2)
	MDRV_CPU_PROGRAM_MAP(main_map)
	MDRV_CPU_VBLANK_INT("screen", pooyan_interrupt)

	MDRV_MACHINE_START(pooyan)

	/* video hardware */
	MDRV_SCREEN_ADD("screen", RASTER)
	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(32*8, 32*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)

	MDRV_GFXDECODE(pooyan)
	MDRV_PALETTE_LENGTH(16*16+16*16)

	MDRV_PALETTE_INIT(pooyan)
	MDRV_VIDEO_START(pooyan)
	MDRV_VIDEO_UPDATE(pooyan)

	/* sound hardware */
	MDRV_IMPORT_FROM(timeplt_sound)
MACHINE_DRIVER_END



/*************************************
 *
 *  ROM definitions
 *
 *************************************/

ROM_START( pooyan )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "1.4a",         0x0000, 0x2000, CRC(bb319c63) SHA1(5401b8ef586127c8cf5a431e5c44e38be2254a98) )
	ROM_LOAD( "2.5a",         0x2000, 0x2000, CRC(a1463d98) SHA1(b23cc7e61276c61a78e80fe08c7f0c8adadf2ffe) )
	ROM_LOAD( "3.6a",         0x4000, 0x2000, CRC(fe1a9e08) SHA1(5206893760f188ac71a5e6bd42561cf25fcc3d49) )
	ROM_LOAD( "4.7a",         0x6000, 0x2000, CRC(9e0f9bcc) SHA1(4d9707423ad531ac535db432e329b3d52cbb4559) )

	ROM_REGION( 0x10000, "tpsound", 0 )
	ROM_LOAD( "xx.7a",        0x0000, 0x1000, CRC(fbe2b368) SHA1(5689a84ef110bdc0039ad1a6c5778e0b8eccfce0) )
	ROM_LOAD( "xx.8a",        0x1000, 0x1000, CRC(e1795b3d) SHA1(9ab4e5362f9f7d9b46b750e14b1d9d71c57be40f) )

	ROM_REGION( 0x2000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "8.10g",        0x0000, 0x1000, CRC(931b29eb) SHA1(0325c1c1fdb44e0044b82b7c79b5eeabf5c11ce7) )
	ROM_LOAD( "7.9g",         0x1000, 0x1000, CRC(bbe6d6e4) SHA1(de5447d59a99c4c08c4f40c0b7dd3c3c609c11d4) )

	ROM_REGION( 0x2000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD( "6.9a",         0x0000, 0x1000, CRC(b2d8c121) SHA1(189ad488869f34d7a38b82ef70eb805acfe04312) )
	ROM_LOAD( "5.8a",         0x1000, 0x1000, CRC(1097c2b6) SHA1(c815f0d27593efd23923511bdd13835456ef7f76) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "pooyan.pr1",   0x0000, 0x0020, CRC(a06a6d0e) SHA1(ae131320b66d76d4bc9108da6708f6f874b2e123) ) /* palette */
	ROM_LOAD( "pooyan.pr3",   0x0020, 0x0100, CRC(8cd4cd60) SHA1(e0188ecd5b53a8e6e28c1de80def676740772334) ) /* characters */
	ROM_LOAD( "pooyan.pr2",   0x0120, 0x0100, CRC(82748c0b) SHA1(9ce8eb92e482eba5a9077e9db99841d65b011346) ) /* sprites */
ROM_END

ROM_START( pooyans )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "ic22_a4.cpu",  0x0000, 0x2000, CRC(916ae7d7) SHA1(e96eba381e6ad228acf4b74240d618f9d0bae39d) )
	ROM_LOAD( "ic23_a5.cpu",  0x2000, 0x2000, CRC(8fe38c61) SHA1(4588f9f80a5884e056a1d429785c7331e92d5654) )
	ROM_LOAD( "ic24_a6.cpu",  0x4000, 0x2000, CRC(2660218a) SHA1(606b10a4bab2432e20471440105e04d15d384570) )
	ROM_LOAD( "ic25_a7.cpu",  0x6000, 0x2000, CRC(3d2a10ad) SHA1(962c621a19e9797b8f3d12c150aa0b90958c9498) )

	ROM_REGION( 0x10000, "tpsound", 0 )
	ROM_LOAD( "xx.7a",        0x0000, 0x1000, CRC(fbe2b368) SHA1(5689a84ef110bdc0039ad1a6c5778e0b8eccfce0) )
	ROM_LOAD( "xx.8a",        0x1000, 0x1000, CRC(e1795b3d) SHA1(9ab4e5362f9f7d9b46b750e14b1d9d71c57be40f) )

	ROM_REGION( 0x2000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "ic13_g10.cpu", 0x0000, 0x1000, CRC(7433aea9) SHA1(a5ad6311f097fefb6e7b747ebe9d01d72d7755d0) )
	ROM_LOAD( "ic14_g9.cpu",  0x1000, 0x1000, CRC(87c1789e) SHA1(7637a9604a3ad4f9a27105d87252de3d923672aa) )

	ROM_REGION( 0x2000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD( "6.9a",         0x0000, 0x1000, CRC(b2d8c121) SHA1(189ad488869f34d7a38b82ef70eb805acfe04312) )
	ROM_LOAD( "5.8a",         0x1000, 0x1000, CRC(1097c2b6) SHA1(c815f0d27593efd23923511bdd13835456ef7f76) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "pooyan.pr1",   0x0000, 0x0020, CRC(a06a6d0e) SHA1(ae131320b66d76d4bc9108da6708f6f874b2e123) ) /* palette */
	ROM_LOAD( "pooyan.pr3",   0x0020, 0x0100, CRC(8cd4cd60) SHA1(e0188ecd5b53a8e6e28c1de80def676740772334) ) /* characters */
	ROM_LOAD( "pooyan.pr2",   0x0120, 0x0100, CRC(82748c0b) SHA1(9ce8eb92e482eba5a9077e9db99841d65b011346) ) /* sprites */
ROM_END

ROM_START( pootan )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "poo_ic22.bin", 0x0000, 0x2000, CRC(41b23a24) SHA1(366efcc45613391c1ab1514654ecac1ae3d39d0e) )
	ROM_LOAD( "poo_ic23.bin", 0x2000, 0x2000, CRC(c9d94661) SHA1(af1e818335adb4398ea0dc41be0d6399999f3946) )
	ROM_LOAD( "3.6a",         0x4000, 0x2000, CRC(fe1a9e08) SHA1(5206893760f188ac71a5e6bd42561cf25fcc3d49) )
	ROM_LOAD( "poo_ic25.bin", 0x6000, 0x2000, CRC(8ae459ef) SHA1(995eba204bbb82da20063b965bf79a64441a907a) )

	ROM_REGION( 0x10000, "tpsound", 0 )
	ROM_LOAD( "xx.7a",        0x0000, 0x1000, CRC(fbe2b368) SHA1(5689a84ef110bdc0039ad1a6c5778e0b8eccfce0) )
	ROM_LOAD( "xx.8a",        0x1000, 0x1000, CRC(e1795b3d) SHA1(9ab4e5362f9f7d9b46b750e14b1d9d71c57be40f) )

	ROM_REGION( 0x2000, "gfx1", ROMREGION_DISPOSE )
	ROM_LOAD( "poo_ic13.bin", 0x0000, 0x1000, CRC(0be802e4) SHA1(07adc17bcb7332ddc00b7c71bf4919eda80b0bdb) )
	ROM_LOAD( "poo_ic14.bin", 0x1000, 0x1000, CRC(cba29096) SHA1(b5a4cf75089cf04f7361e00074816facd57452b2) )

	ROM_REGION( 0x2000, "gfx2", ROMREGION_DISPOSE )
	ROM_LOAD( "6.9a",         0x0000, 0x1000, CRC(b2d8c121) SHA1(189ad488869f34d7a38b82ef70eb805acfe04312) )
	ROM_LOAD( "5.8a",         0x1000, 0x1000, CRC(1097c2b6) SHA1(c815f0d27593efd23923511bdd13835456ef7f76) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "pooyan.pr1",   0x0000, 0x0020, CRC(a06a6d0e) SHA1(ae131320b66d76d4bc9108da6708f6f874b2e123) ) /* palette */
	ROM_LOAD( "pooyan.pr3",   0x0020, 0x0100, CRC(8cd4cd60) SHA1(e0188ecd5b53a8e6e28c1de80def676740772334) ) /* characters */
	ROM_LOAD( "pooyan.pr2",   0x0120, 0x0100, CRC(82748c0b) SHA1(9ce8eb92e482eba5a9077e9db99841d65b011346) ) /* sprites */
ROM_END



/*************************************
 *
 *  Game drivers
 *
 *************************************/

GAME( 1982, pooyan,  0,      pooyan, pooyan, 0, ROT90, "Konami", "Pooyan", GAME_SUPPORTS_SAVE )
GAME( 1982, pooyans, pooyan, pooyan, pooyan, 0, ROT90, "[Konami] (Stern license)", "Pooyan (Stern)", GAME_SUPPORTS_SAVE )
GAME( 1982, pootan,  pooyan, pooyan, pooyan, 0, ROT90, "bootleg", "Pootan", GAME_SUPPORTS_SAVE )
