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// license:BSD-3-Clause
// copyright-holders:David Haywood, Angelo Salese
/*******************************************************************************************

Jackpot Cards / Jackpot Pool (c) 1997 Electronic Projects

driver by David Haywood & Angelo Salese

Notes:
-There's a "(c) 1992 HI-TECH Software..Brisbane, QLD Australia" string in the program roms,
 this is actually the m68k C compiler used for doing this game.

TODO:
-Correct NVRAM emulation (and default eeprom too?), you cannot save settings to the EEPROM
 right now, also remove the patch (it doesn't boot otherwise);
-UART;

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

#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "machine/74259.h"
#include "machine/eepromser.h"
#include "machine/ins8250.h"
#include "sound/okim6295.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"


class jackpool_state : public driver_device
{
public:
	jackpool_state(const machine_config &mconfig, device_type type, const char *tag) :
		driver_device(mconfig, type, tag),
		m_vram(*this, "vram"),
		m_maincpu(*this, "maincpu"),
		m_eeprom(*this, "eeprom"),
		m_gfxdecode(*this, "gfxdecode"),
		m_palette(*this, "palette")
	{ }

	void jackpool(machine_config &config);

	void init_jackpool();

protected:
	virtual void video_start() override;

private:
	uint8_t jackpool_io_r(offs_t offset);
	DECLARE_WRITE_LINE_MEMBER(map_vreg_w);
	uint32_t screen_update_jackpool(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	INTERRUPT_GEN_MEMBER(jackpool_interrupt);
	void jackpool_mem(address_map &map);

	required_shared_ptr<uint16_t> m_vram;
	uint8_t m_map_vreg;
	required_device<cpu_device> m_maincpu;
	required_device<eeprom_serial_93cxx_device> m_eeprom;
	required_device<gfxdecode_device> m_gfxdecode;
	required_device<palette_device> m_palette;
};


void jackpool_state::video_start()
{
}

uint32_t jackpool_state::screen_update_jackpool(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	gfx_element *gfx = m_gfxdecode->gfx(0);
	int count;// = 0x00000/2;

	int y,x;

	{
		count = m_map_vreg*(0x4000/2);
		for (y=0;y<32;y++)
		{
			for (x=0;x<64;x++)
			{
				int tile = (m_vram[count+(0x2000/2)] & 0x7fff);
				int attr = (m_vram[count+(0x2000/2)+0x800] & 0x1f00)>>8;

				gfx->opaque(bitmap,cliprect,tile,attr,0,0,x*8,y*8);
				count++;
			}
		}

		count = m_map_vreg*(0x4000/2);
		for (y=0;y<32;y++)
		{
			for (x=0;x<64;x++)
			{
				int tile = (m_vram[count] & 0x7fff);

				if(tile != 0)
				{
					int attr = (m_vram[count+0x800] & 0x1f00)>>8;
					int t_pen = (m_vram[count+0x800] & 0x1000);

					gfx->transpen(bitmap,cliprect,tile,attr,0,0,x*8,y*8,(t_pen) ? 0 : -1);
				}

				count++;
			}
		}
	}

	return 0;
}

uint8_t jackpool_state::jackpool_io_r(offs_t offset)
{
	switch(offset*2)
	{
		case 0x00: return ioport("COIN1")->read();
		case 0x04: return ioport("UNK1")->read();
		case 0x06: return ioport("UNK2")->read();
		case 0x08: return ioport("SERVICE1")->read();
		case 0x0a: return ioport("SERVICE2")->read();//probably not a button, remote?
		case 0x0c: return ioport("PAYOUT")->read();
		case 0x0e: return ioport("START2")->read();
		case 0x10: return ioport("HOLD3")->read();
		case 0x12: return ioport("HOLD4")->read();
		case 0x14: return ioport("HOLD2")->read();
		case 0x16: return ioport("HOLD1")->read();
		case 0x18: return ioport("HOLD5")->read();
		case 0x1a: return ioport("START1")->read();
		case 0x1c: return ioport("BET")->read();
		case 0x1e: return 0xff; //ticket motor
		case 0x20: return 0xff; //hopper motor
		case 0x2c: return m_eeprom->do_read();
		case 0x2e: return m_eeprom->do_read();
//      default: printf("R %02x\n",offset*2); break;
	}

//  printf("R %02x\n",offset*2);
	return 0xff;
}

WRITE_LINE_MEMBER(jackpool_state::map_vreg_w)
{
	m_map_vreg = state;
}

void jackpool_state::jackpool_mem(address_map &map)
{
	map(0x000000, 0x03ffff).rom();
	map(0x100000, 0x10ffff).ram();
	map(0x120000, 0x1200ff).ram();
	map(0x340000, 0x347fff).ram().share("vram");
	map(0x348000, 0x34ffff).ram(); //<- vram banks 2 & 3?

	map(0x360000, 0x3603ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
	map(0x380000, 0x38002f).r(FUNC(jackpool_state::jackpool_io_r)).umask16(0x00ff);
	map(0x380030, 0x38003f).w("latch1", FUNC(ls259_device::write_d0)).umask16(0x00ff);
	map(0x380040, 0x38004f).w("latch2", FUNC(ls259_device::write_d0)).umask16(0x00ff);
	map(0x380050, 0x38005f).w("latch3", FUNC(ls259_device::write_d0)).umask16(0x00ff);
	map(0x380060, 0x380061).nopw(); // another single-bit output?

	map(0x800000, 0x80000f).rw("uart", FUNC(ns16550_device::ins8250_r), FUNC(ns16550_device::ins8250_w)).umask16(0x00ff);
	map(0xa00001, 0xa00001).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write));
}


static INPUT_PORTS_START( jackpool )
	PORT_START("COIN1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("SERVICE1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("SERVICE2") //toggle this to change game to Jackpot Pool,with different gfxs for cards.
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE2 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("PAYOUT")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_GAMBLE_PAYOUT )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("START1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_GAMBLE_DEAL ) PORT_CODE(KEYCODE_1) PORT_NAME("Deal / W-Up")
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("START2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("BET")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_GAMBLE_BET ) PORT_NAME("Bet / Cancel / Take")
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("HOLD1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD1 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("HOLD2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD2 ) PORT_NAME("Hold 2 / Low")
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("HOLD3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD3 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("HOLD4")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD4 ) PORT_NAME("Hold 4 / High")
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("HOLD5")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_POKER_HOLD5 )
	PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
	/* these two both crashes the CPU*/
	PORT_START("UNK1")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_START("UNK2")
	PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END


static const gfx_layout tiles8x8_layout =
{
	8,8,
	RGN_FRAC(1,4),
	4,
	{ RGN_FRAC(0,4),RGN_FRAC(1,4),RGN_FRAC(2,4),RGN_FRAC(3,4) },
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8*8
};

static GFXDECODE_START( gfx_jackpool )
	GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout,   0x000, 0x20  ) /* sprites */
GFXDECODE_END


/*irq 2 used for communication stuff.3 is just a rte*/
INTERRUPT_GEN_MEMBER(jackpool_state::jackpool_interrupt)
{
	device.execute().set_input_line(1, HOLD_LINE);
}


void jackpool_state::jackpool(machine_config &config)
{
	M68000(config, m_maincpu, 12000000); // ?
	m_maincpu->set_addrmap(AS_PROGRAM, &jackpool_state::jackpool_mem);
	m_maincpu->set_vblank_int("screen", FUNC(jackpool_state::jackpool_interrupt));  // ?

	GFXDECODE(config, m_gfxdecode, m_palette, gfx_jackpool);

	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_refresh_hz(60);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500));
	screen.set_size(64*8, 64*8);
	screen.set_visarea(0*8, 64*8-1, 0*8, 32*8-1);
	screen.set_screen_update(FUNC(jackpool_state::screen_update_jackpool));
	screen.set_palette(m_palette);

	ls259_device &latch1(LS259(config, "latch1"));
	latch1.q_out_cb<0>().set_nop(); // HOLD3 lamp
	latch1.q_out_cb<1>().set_nop(); // HOLD4 lamp
	latch1.q_out_cb<2>().set_nop(); // HOLD2 lamp
	latch1.q_out_cb<3>().set_nop(); // HOLD1 lamp
	latch1.q_out_cb<4>().set_nop(); // HOLD5 lamp
	latch1.q_out_cb<5>().set_nop(); // START1 lamp
	latch1.q_out_cb<6>().set_nop(); // BET lamp

	ls259_device &latch2(LS259(config, "latch2"));
	latch2.q_out_cb<0>().set_nop(); // PAYOUT lamp
	latch2.q_out_cb<3>().set_nop(); // Coin counter
	latch2.q_out_cb<5>().set_nop(); // Ticket motor
	latch2.q_out_cb<6>().set_nop(); // Hopper motor
	latch2.q_out_cb<7>().set(FUNC(jackpool_state::map_vreg_w));

	ls259_device &latch3(LS259(config, "latch3"));
	latch3.q_out_cb<0>().set("eeprom", FUNC(eeprom_serial_93cxx_device::cs_write));
	latch3.q_out_cb<1>().set("eeprom", FUNC(eeprom_serial_93cxx_device::clk_write));
	latch3.q_out_cb<2>().set("eeprom", FUNC(eeprom_serial_93cxx_device::di_write));

	EEPROM_93C46_16BIT(config, "eeprom");

	NS16550(config, "uart", 1843200); // exact type and clock unknown

	PALETTE(config, m_palette).set_format(palette_device::xBGR_444, 0x200);

	SPEAKER(config, "mono").front_center();

	OKIM6295(config, "oki", 1056000, okim6295_device::PIN7_HIGH).add_route(ALL_OUTPUTS, "mono", 1.0); // clock frequency & pin 7 not verified
}


ROM_START( jackpool )
	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "jpc2", 0x00001, 0x20000,CRC(5aad51ff) SHA1(af504d15c356c241efb6410a5dad09494d693eca) )
	ROM_LOAD16_BYTE( "jpc3", 0x00000, 0x20000,CRC(249c7073) SHA1(e654232d5f454932a108591deacadc9da9fd8055) )

	ROM_REGION( 0x080000, "oki", 0 ) /* Samples */
	ROM_LOAD( "jpc1", 0x00000, 0x40000, CRC(0f1372a1) SHA1(cec8a9bfb03945af4e1e2d2b916b9ded52a8d0bd) )

	ROM_REGION( 0x100000, "gfx1", 0 ) /* Sprites */
	ROM_LOAD( "jpc4", 0x00000, 0x40000,  CRC(b719f138) SHA1(82799cbccab4e39627e48855f6003917602b42c7) )
	ROM_LOAD( "jpc5", 0x40000, 0x40000,  CRC(09661ed9) SHA1(fb298252c95a9040441c12c9d0e9280843d56a0d) )
	ROM_LOAD( "jpc6", 0x80000, 0x40000,  CRC(c3117411) SHA1(8ed044beb1d6ab7ac48595f7d6bf879f1264454a) )
	ROM_LOAD( "jpc7", 0xc0000, 0x40000,  CRC(b1d40623) SHA1(fb76ae6b53474bd4bee19dbce9537da0f2b63ff4) )
ROM_END

void jackpool_state::init_jackpool()
{
	uint16_t *rom = (uint16_t *)memregion("maincpu")->base();

	/* patch NVRAM routine */
	rom[0x9040/2] = 0x6602;
}

GAME( 1997, jackpool, 0, jackpool, jackpool, jackpool_state, init_jackpool, ROT0, "Electronic Projects", "Jackpot Cards / Jackpot Pool (Italy)",MACHINE_NOT_WORKING )