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path: root/src/mame/drivers/pandoras.cpp
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// license:BSD-3-Clause
// copyright-holders:Manuel Abadia
/***************************************************************************

Pandora's Palace(GX328) (c) 1984 Konami/Interlogic

Driver by Manuel Abadia <emumanu+mame@gmail.com>

Notes:
- Press 1P and 2P together to enter test mode.

TODO:
- CPU B continuously reads from 1e00. It seems to be important, could be a
  scanline counter or something like that.

2009-03:
Added dsw locations and verified factory setting based on Guru's notes
(DSW3 not mentioned)

Boards:
- CPU/Video board labeled PWB(A)2000109B
- Sound board labeled PWB(B)3000154A

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

#include "emu.h"
#include "includes/pandoras.h"
#include "includes/konamipt.h"

#include "cpu/m6809/m6809.h"
#include "cpu/z80/z80.h"
#include "machine/74259.h"
#include "machine/gen_latch.h"
#include "machine/watchdog.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "screen.h"
#include "speaker.h"


#define MASTER_CLOCK        XTAL(18'432'000)
#define SOUND_CLOCK         XTAL(14'318'181)


WRITE_LINE_MEMBER(pandoras_state::vblank_irq)
{
	if (state && m_irq_enable_a)
		m_maincpu->set_input_line(M6809_IRQ_LINE, ASSERT_LINE);
	if (state && m_irq_enable_b)
		m_subcpu->set_input_line(M6809_IRQ_LINE, ASSERT_LINE);
}

WRITE_LINE_MEMBER(pandoras_state::cpua_irq_enable_w)
{
	if (!state)
		m_maincpu->set_input_line(M6809_IRQ_LINE, CLEAR_LINE);
	m_irq_enable_a = state;
}

WRITE_LINE_MEMBER(pandoras_state::cpub_irq_enable_w)
{
	if (!state)
		m_subcpu->set_input_line(M6809_IRQ_LINE, CLEAR_LINE);
	m_irq_enable_b = state;
}

WRITE8_MEMBER(pandoras_state::pandoras_cpua_irqtrigger_w)
{
	if (!m_firq_old_data_a && data)
		m_maincpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE);

	m_firq_old_data_a = data;
}

WRITE8_MEMBER(pandoras_state::pandoras_cpub_irqtrigger_w)
{
	if (!m_firq_old_data_b && data)
		m_subcpu->set_input_line(M6809_FIRQ_LINE, HOLD_LINE);

	m_firq_old_data_b = data;
}

WRITE8_MEMBER(pandoras_state::pandoras_i8039_irqtrigger_w)
{
	m_mcu->set_input_line(0, ASSERT_LINE);
}

WRITE8_MEMBER(pandoras_state::i8039_irqen_and_status_w)
{
	/* bit 7 enables IRQ */
	if ((data & 0x80) == 0)
		m_mcu->set_input_line(0, CLEAR_LINE);

	/* bit 5 goes to 8910 port A */
	m_i8039_status = (data & 0x20) >> 5;
}

WRITE8_MEMBER(pandoras_state::pandoras_z80_irqtrigger_w)
{
	m_audiocpu->set_input_line_and_vector(0, HOLD_LINE, 0xff); // Z80
}

WRITE_LINE_MEMBER(pandoras_state::coin_counter_1_w)
{
	machine().bookkeeping().coin_counter_w(0, state);
}

WRITE_LINE_MEMBER(pandoras_state::coin_counter_2_w)
{
	machine().bookkeeping().coin_counter_w(1, state);
}


void pandoras_state::pandoras_master_map(address_map &map)
{
	map(0x0000, 0x0fff).ram().share("spriteram");               /* Work RAM (Shared with CPU B) */
	map(0x1000, 0x13ff).ram().w(FUNC(pandoras_state::pandoras_cram_w)).share("colorram"); /* Color RAM (shared with CPU B) */
	map(0x1400, 0x17ff).ram().w(FUNC(pandoras_state::pandoras_vram_w)).share("videoram"); /* Video RAM (shared with CPU B) */
	map(0x1800, 0x1807).w("mainlatch", FUNC(ls259_device::write_d0));               /* INT control */
	map(0x1a00, 0x1a00).w(FUNC(pandoras_state::pandoras_scrolly_w));                                   /* bg scroll */
	map(0x1c00, 0x1c00).w(FUNC(pandoras_state::pandoras_z80_irqtrigger_w));                            /* cause INT on the Z80 */
	map(0x1e00, 0x1e00).w("soundlatch", FUNC(generic_latch_8_device::write));                                            /* sound command to the Z80 */
	map(0x2000, 0x2000).w(FUNC(pandoras_state::pandoras_cpub_irqtrigger_w));                           /* cause FIRQ on CPU B */
	map(0x2001, 0x2001).w("watchdog", FUNC(watchdog_timer_device::reset_w));        /* watchdog reset */
	map(0x4000, 0x5fff).rom();                                                         /* space for diagnostic ROM */
	map(0x6000, 0x67ff).ram().share("share4");                                      /* Shared RAM with CPU B */
	map(0x8000, 0xffff).rom();                                                         /* ROM */
}

void pandoras_state::pandoras_slave_map(address_map &map)
{
	map(0x0000, 0x0fff).ram().share("spriteram");                                       /* Work RAM (Shared with CPU A) */
	map(0x1000, 0x13ff).ram().w(FUNC(pandoras_state::pandoras_cram_w)).share("colorram");             /* Color RAM (shared with CPU A) */
	map(0x1400, 0x17ff).ram().w(FUNC(pandoras_state::pandoras_vram_w)).share("videoram");             /* Video RAM (shared with CPU A) */
	map(0x1800, 0x1800).portr("DSW1");
	map(0x1800, 0x1807).w("mainlatch", FUNC(ls259_device::write_d0));               /* INT control */
	map(0x1a00, 0x1a00).portr("SYSTEM");
	map(0x1a01, 0x1a01).portr("P1");
	map(0x1a02, 0x1a02).portr("P2");
	map(0x1a03, 0x1a03).portr("DSW3");
	map(0x1c00, 0x1c00).portr("DSW2");
//  AM_RANGE(0x1e00, 0x1e00) AM_READNOP                                                     /* ??? seems to be important */
	map(0x8000, 0x8000).w("watchdog", FUNC(watchdog_timer_device::reset_w));        /* watchdog reset */
	map(0xa000, 0xa000).w(FUNC(pandoras_state::pandoras_cpua_irqtrigger_w));                           /* cause FIRQ on CPU A */
	map(0xc000, 0xc7ff).ram().share("share4");                                      /* Shared RAM with the CPU A */
	map(0xe000, 0xffff).rom();                                                         /* ROM */
}

void pandoras_state::pandoras_sound_map(address_map &map)
{
	map(0x0000, 0x1fff).rom();                                                         /* ROM */
	map(0x2000, 0x23ff).ram();                                                         /* RAM */
	map(0x4000, 0x4000).r("soundlatch", FUNC(generic_latch_8_device::read));
	map(0x6000, 0x6000).w("aysnd", FUNC(ay8910_device::address_w));                          /* AY-8910 */
	map(0x6001, 0x6001).r("aysnd", FUNC(ay8910_device::data_r));                                   /* AY-8910 */
	map(0x6002, 0x6002).w("aysnd", FUNC(ay8910_device::data_w));                         /* AY-8910 */
	map(0x8000, 0x8000).w(FUNC(pandoras_state::pandoras_i8039_irqtrigger_w));                          /* cause INT on the 8039 */
	map(0xa000, 0xa000).w("soundlatch2", FUNC(generic_latch_8_device::write));      /* sound command to the 8039 */
}

void pandoras_state::pandoras_i8039_map(address_map &map)
{
	map(0x0000, 0x0fff).rom();
}

void pandoras_state::pandoras_i8039_io_map(address_map &map)
{
	map(0x00, 0xff).r("soundlatch2", FUNC(generic_latch_8_device::read));
}


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

    Input Ports

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

static INPUT_PORTS_START( pandoras )
	PORT_START("DSW1")
	KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), "No Coin B", SW1)
	/* "No Coin B" = coins produce sound, but no effect on coin counter */

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )        PORT_DIPLOCATION("SW2:1,2")
	PORT_DIPSETTING(    0x03, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x01, "5" )
	PORT_DIPSETTING(    0x00, "7" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )      PORT_DIPLOCATION("SW2:3")
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) )   PORT_DIPLOCATION("SW2:4,5")
	PORT_DIPSETTING(    0x18, "20k and every 60k" )
	PORT_DIPSETTING(    0x10, "30k and every 70k" )
	PORT_DIPSETTING(    0x08, "20k" )
	PORT_DIPSETTING(    0x00, "30k" )
	PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) )   PORT_DIPLOCATION("SW2:6,7")
	PORT_DIPSETTING(    0x60, DEF_STR( Easy ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Normal ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Difficult ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Very_Difficult ) )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )  PORT_DIPLOCATION("SW2:8")
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("DSW3")
	PORT_DIPNAME( 0x01, 0x01, "Freeze" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START("SYSTEM")
	KONAMI8_SYSTEM_10
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("P1")
	KONAMI8_MONO_B1_UNK

	PORT_START("P2")
	KONAMI8_COCKTAIL_B1_UNK
INPUT_PORTS_END



static const gfx_layout charlayout =
{
	8,8,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
	{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
	32*8
};

static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,1),
	4,
	{ 0, 1, 2, 3 },
	{ 15*4, 14*4, 13*4, 12*4, 11*4, 10*4, 9*4, 8*4,
			7*4, 6*4, 5*4, 4*4, 3*4, 2*4, 1*4, 0*4 },
	{ 15*4*16, 14*4*16, 13*4*16, 12*4*16, 11*4*16, 10*4*16, 9*4*16, 8*4*16,
			7*4*16, 6*4*16, 5*4*16, 4*4*16, 3*4*16, 2*4*16, 1*4*16, 0*4*16 },
	32*4*8
};

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

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

    Machine Driver

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

void pandoras_state::machine_start()
{
	save_item(NAME(m_firq_old_data_a));
	save_item(NAME(m_firq_old_data_b));
	save_item(NAME(m_irq_enable_a));
	save_item(NAME(m_irq_enable_b));
	save_item(NAME(m_i8039_status));
}

void pandoras_state::machine_reset()
{
	m_firq_old_data_a = 0;
	m_firq_old_data_b = 0;
	m_i8039_status = 0;
}

READ8_MEMBER(pandoras_state::pandoras_portA_r)
{
	return m_i8039_status;
}

READ8_MEMBER(pandoras_state::pandoras_portB_r)
{
	return (m_audiocpu->total_cycles() / 512) & 0x0f;
}

void pandoras_state::pandoras(machine_config &config)
{
	/* basic machine hardware */
	MC6809E(config, m_maincpu, MASTER_CLOCK/6);  /* CPU A */
	m_maincpu->set_addrmap(AS_PROGRAM, &pandoras_state::pandoras_master_map);

	MC6809E(config, m_subcpu, MASTER_CLOCK/6);      /* CPU B */
	m_subcpu->set_addrmap(AS_PROGRAM, &pandoras_state::pandoras_slave_map);

	Z80(config, m_audiocpu, SOUND_CLOCK/8);
	m_audiocpu->set_addrmap(AS_PROGRAM, &pandoras_state::pandoras_sound_map);

	I8039(config, m_mcu, SOUND_CLOCK/2);
	m_mcu->set_addrmap(AS_PROGRAM, &pandoras_state::pandoras_i8039_map);
	m_mcu->set_addrmap(AS_IO, &pandoras_state::pandoras_i8039_io_map);
	m_mcu->p1_out_cb().set("dac", FUNC(dac_byte_interface::data_w));
	m_mcu->p2_out_cb().set(FUNC(pandoras_state::i8039_irqen_and_status_w));

	config.m_minimum_quantum = attotime::from_hz(6000);  /* 100 CPU slices per frame - needed for correct synchronization of the sound CPUs */

	ls259_device &mainlatch(LS259(config, "mainlatch")); // C3
	mainlatch.q_out_cb<0>().set(FUNC(pandoras_state::cpua_irq_enable_w)); // ENA
	mainlatch.q_out_cb<1>().set_nop(); // OFSET - unknown
	mainlatch.q_out_cb<2>().set(FUNC(pandoras_state::coin_counter_1_w));
	mainlatch.q_out_cb<3>().set(FUNC(pandoras_state::coin_counter_2_w));
	mainlatch.q_out_cb<5>().set(FUNC(pandoras_state::flipscreen_w)); // FLIP
	mainlatch.q_out_cb<6>().set(FUNC(pandoras_state::cpub_irq_enable_w)); // ENB
	mainlatch.q_out_cb<7>().set_inputline(m_subcpu, INPUT_LINE_RESET).invert(); // RESETB

	WATCHDOG_TIMER(config, "watchdog");

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_refresh_hz(60);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
	screen.set_size(32*8, 32*8);
	screen.set_visarea(0*8, 32*8-1, 2*8, 30*8-1);
	screen.set_screen_update(FUNC(pandoras_state::screen_update_pandoras));
	screen.set_palette(m_palette);
	screen.screen_vblank().set(FUNC(pandoras_state::vblank_irq));

	GFXDECODE(config, m_gfxdecode, m_palette, gfx_pandoras);
	PALETTE(config, m_palette, FUNC(pandoras_state::pandoras_palette), 16*16+16*16, 32);

	/* sound hardware */
	SPEAKER(config, "speaker").front_center();

	GENERIC_LATCH_8(config, "soundlatch");
	GENERIC_LATCH_8(config, "soundlatch2");

	ay8910_device &aysnd(AY8910(config, "aysnd", SOUND_CLOCK/8));
	aysnd.port_a_read_callback().set(FUNC(pandoras_state::pandoras_portA_r));   // not used
	aysnd.port_b_read_callback().set(FUNC(pandoras_state::pandoras_portB_r));
	aysnd.add_route(ALL_OUTPUTS, "speaker", 0.4);

	DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.12); // unknown DAC
	voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
	vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
	vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
}


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

  Game ROMs

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


/*
A PCB picture shows the following label format:

PANDORA'S PAL
A1   J13

Visible ROM labels on the GX328 main board PWB(A)20001109B PCB:
PANDORA'S PAL   A1   13J
PANDORA'S PAL   A1   12J
PANDORA'S PAL   A1   10J
PANDORA'S PAL   A1   9J
  -- J14 is an empty socket --
PANDORA'S PAL   A1   17J
PANDORA'S PAL   A1   18J
PANDORA'S PAL   A1   19J

PANDORA'S PAL   A1   18A
PANDORA'S PAL   A1   19A

PANDORA'S PAL   A1   5J

BPROM at 16A stamped 328F14
BPROM at 17G stamped 328F15
BPROM at A2 not visible in picture

ROMs labels on the GX328 sound board PWB(B)3000154A PCB:
PANDORA'S PAL   A1     6C
PANDORA'S PAL   A1     7E


PCB stickered:

Pandora's Palace
KOSUKA
(c) Konami 1984

*/
ROM_START( pandoras )
	ROM_REGION( 0x10000, "maincpu", 0 ) /* 64K for the CPU A */
	ROM_LOAD( "pand_j13.cpu",   0x08000, 0x02000, CRC(7a0fe9c5) SHA1(e68c8d76d1abb69ac72b0e2cd8c1dfc540064ee3) )
	ROM_LOAD( "pand_j12.cpu",   0x0a000, 0x02000, CRC(7dc4bfe1) SHA1(359c3051e5d7a34d0e49578e4c168fd19c73e202) )
	ROM_LOAD( "pand_j10.cpu",   0x0c000, 0x02000, CRC(be3af3b7) SHA1(91321b53e17e58b674104cb95b1c35ee8fecae22) )
	ROM_LOAD( "pand_j9.cpu",    0x0e000, 0x02000, CRC(e674a17a) SHA1(a4b096dc455425dd60298acf2203659ef6f8d857) )

	ROM_REGION( 0x10000, "sub", 0 ) /* 64K for the CPU B */
	ROM_LOAD( "pand_j5.cpu",    0x0e000, 0x02000, CRC(4aab190b) SHA1(d2204953d6b6b34cea851bfc9c2b31426e75f90b) )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64K for the Sound CPU */
	ROM_LOAD( "pand_6c.snd",    0x00000, 0x02000, CRC(0c1f109d) SHA1(4e6cdee99261764bd2fea5abbd49d800baba0dc5) )

	ROM_REGION( 0x2000, "mcu", 0 ) /* 4K for the Sound CPU 2 (Data is mirrored to fit into an 8K rom) */
	ROM_LOAD( "pand_7e.snd",    0x00000, 0x02000, CRC(1071c1ba) SHA1(3693be69f4b32fb3031bcdee8cac0d46ec8c2804) )

	ROM_REGION( 0x6000, "gfx1", 0 )
	ROM_LOAD( "pand_j18.cpu",   0x00000, 0x02000, CRC(99a696c5) SHA1(35a27cd5ecc51a9a1acf01eb8078a1028f03be32) )    /* sprites */
	ROM_LOAD( "pand_j17.cpu",   0x02000, 0x02000, CRC(38a03c21) SHA1(b0c8f642787bab3cd1d76657e56f07f4f6f9073c) )
	ROM_LOAD( "pand_j16.cpu",   0x04000, 0x02000, CRC(e0708a78) SHA1(9dbd08b6ca8a66a61e128d1806888696273de848) )

	ROM_REGION( 0x4000, "gfx2", 0 )
	ROM_LOAD( "pand_a18.cpu",   0x00000, 0x02000, CRC(23706d4a) SHA1(cca92e6ff90e3006a79a214f1211fd659771de53) )    /* tiles */
	ROM_LOAD( "pand_a19.cpu",   0x02000, 0x02000, CRC(a463b3f9) SHA1(549b7ee6e47325b80186441da11879fb8b1b47be) )

	ROM_REGION( 0x0220, "proms", 0 )
	ROM_LOAD( "pandora.2a",     0x0000, 0x020, CRC(4d56f939) SHA1(a8dac604bfdaf4b153b75dbf165de113152b6daa) ) /* palette */
	ROM_LOAD( "pandora.17g",    0x0020, 0x100, CRC(c1a90cfc) SHA1(c6581f2d543e38f1de399774183cf0698e61dab5) ) /* sprite lookup table */
	ROM_LOAD( "pandora.16b",    0x0120, 0x100, CRC(c89af0c3) SHA1(4072c8d61521b34ce4dbce1d48f546402e9539cd) ) /* character lookup table */
ROM_END


GAME( 1984, pandoras, 0, pandoras, pandoras, pandoras_state, empty_init, ROT90, "Konami / Interlogic", "Pandora's Palace", MACHINE_SUPPORTS_SAVE )