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path: root/src/mame/drivers/suprridr.cpp
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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************

    Taito Super Rider driver

    driver by Aaron Giles

    Games supported:
        * Super Rider

    Known issues:
        * clocks on sound chips and CPU not verified yet
        * the board seems to contain a discrete sound portion

    Questions:
        * there appears to be a second color bank for the tilemaps, where
          is it used, and how is it activated (if at all)?
        * what are the writes to $08DB and $08E8 for?
          (guess: a discrete sound effect)

    ** driver should probably be merged with timelimt.c

****************************************************************************

    PCB Layout
    ----------

    Top board

    REF. SR-8327A-B
    |----------------------------------------------------------------|
    |                 SR-11                                          |
    |                                                                |
    |          DIPSW  SR-10                                          |
    |                                                                |
    |                                                                |
    |                                                                |
    |                 NE555                                          |
    |                                     NEC-D780C                  |
    |  AY-3-8910                                                     |
    |                                                                |
    |  AY-3-8910                                                     |
    |                 SR-09           HM6116   SR-06    SR-03        |
    |  NEC-D780C                                                     |
    |                                 SR-08    SR-05    SR-02        |
    |                                                                |
    |                       ?.000MHz  SR-07    SR-04    SR-01        |
    |----------------------------------------------------------------|


    Bottom board

    REF. SR-8327B-B
    |----------------------------------------------------------------|
    |                                                                |
    |    SR-12                                                       |
    |                                                                |
    |    SR-13                                                       |
    |                                                                |
    |    SR-14                                                       |
    |                                        SR-15                   |
    |                                                                |
    |                                        SR-16                   |
    |                                                                |
    |                                        SR-17                   |
    |                                                                |
    |                                       M58725P                  |
    |                                                                |
    |                                                                |
    |    18.432MHz                                                   |
    |----------------------------------------------------------------|


    Epoxy module (exact layout unknown)

    REF. ???
    |-------------------------------|
    |                               |
    |      1        2        3      |
    |                               |
    |-------------------------------|

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "includes/suprridr.h"
#include "machine/watchdog.h"
#include "sound/ay8910.h"


void suprridr_state::machine_start()
{
	save_item(NAME(m_nmi_enable));
	save_item(NAME(m_sound_data));
}

/*************************************
 *
 *  Interrupt generation
 *
 *************************************/

WRITE8_MEMBER(suprridr_state::nmi_enable_w)
{
	m_nmi_enable = data;
}


INTERRUPT_GEN_MEMBER(suprridr_state::main_nmi_gen)
{
	if (m_nmi_enable)
		device.execute().set_input_line(INPUT_LINE_NMI, PULSE_LINE);
}



/*************************************
 *
 *  Sound CPU communication
 *
 *************************************/

TIMER_CALLBACK_MEMBER(suprridr_state::delayed_sound_w)
{
	m_sound_data = param;
	m_audiocpu->set_input_line(0, ASSERT_LINE);
}


WRITE8_MEMBER(suprridr_state::sound_data_w)
{
	machine().scheduler().synchronize(timer_expired_delegate(FUNC(suprridr_state::delayed_sound_w),this), data);
}


READ8_MEMBER(suprridr_state::sound_data_r)
{
	return m_sound_data;
}


WRITE8_MEMBER(suprridr_state::sound_irq_ack_w)
{
	m_audiocpu->set_input_line(0, CLEAR_LINE);
}



/*************************************
 *
 *  Misc handlers
 *
 *************************************/

WRITE8_MEMBER(suprridr_state::coin_lock_w)
{
	/* cleared when 9 credits are hit, but never reset! */
/*  machine().bookkeeping().coin_lockout_global_w(~data & 1); */
}



/*************************************
 *
 *  Main CPU memory handlers
 *
 *************************************/

static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, suprridr_state )
	AM_RANGE(0x0000, 0x7fff) AM_ROM
	AM_RANGE(0x8000, 0x87ff) AM_RAM
	AM_RANGE(0x8800, 0x8bff) AM_RAM_WRITE(bgram_w) AM_SHARE("bgram")
	AM_RANGE(0x9000, 0x97ff) AM_RAM_WRITE(fgram_w) AM_SHARE("fgram")
	AM_RANGE(0x9800, 0x983f) AM_RAM
	AM_RANGE(0x9840, 0x987f) AM_RAM AM_SHARE("spriteram")
	AM_RANGE(0x9880, 0x9bff) AM_RAM
	AM_RANGE(0xa000, 0xa000) AM_READ_PORT("INPUTS")
	AM_RANGE(0xa800, 0xa800) AM_READ_PORT("SYSTEM")
	AM_RANGE(0xb000, 0xb000) AM_READ_PORT("DSW") AM_WRITE(nmi_enable_w)
	AM_RANGE(0xb002, 0xb003) AM_WRITE(coin_lock_w)
	AM_RANGE(0xb006, 0xb006) AM_WRITE(flipx_w)
	AM_RANGE(0xb007, 0xb007) AM_WRITE(flipy_w)
	AM_RANGE(0xb800, 0xb800) AM_WRITE(sound_data_w)
	AM_RANGE(0xc801, 0xc801) AM_WRITE(fgdisable_w)
	AM_RANGE(0xc802, 0xc802) AM_WRITE(fgscrolly_w)
	AM_RANGE(0xc804, 0xc804) AM_WRITE(bgscrolly_w)
	AM_RANGE(0xc000, 0xefff) AM_ROM
ADDRESS_MAP_END


static ADDRESS_MAP_START( main_portmap, AS_IO, 8, suprridr_state )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_DEVREAD("watchdog", watchdog_timer_device, reset_r)
ADDRESS_MAP_END



/*************************************
 *
 *  Sound CPU memory handlers
 *
 *************************************/

static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, suprridr_state )
	AM_RANGE(0x0000, 0x0fff) AM_ROM
	AM_RANGE(0x3800, 0x3bff) AM_RAM
ADDRESS_MAP_END


static ADDRESS_MAP_START( sound_portmap, AS_IO, 8, suprridr_state )
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0x00, 0x00) AM_WRITE(sound_irq_ack_w)
	AM_RANGE(0x8c, 0x8d) AM_DEVWRITE("ay1", ay8910_device, address_data_w)
	AM_RANGE(0x8d, 0x8d) AM_DEVREAD("ay1", ay8910_device, data_r)
	AM_RANGE(0x8e, 0x8f) AM_DEVWRITE("ay2", ay8910_device, address_data_w)
	AM_RANGE(0x8f, 0x8f) AM_DEVREAD("ay2", ay8910_device, data_r)
ADDRESS_MAP_END




/*************************************
 *
 *  Port definitions and helpers
 *
 *************************************/

#define SUPRRIDR_P1_CONTROL_PORT_TAG    ("CONTP1")
#define SUPRRIDR_P2_CONTROL_PORT_TAG    ("CONTP2")

CUSTOM_INPUT_MEMBER(suprridr_state::control_r)
{
	UINT32 ret;

	/* screen flip multiplexes controls */
	if (is_screen_flipped())
		ret = ioport(SUPRRIDR_P2_CONTROL_PORT_TAG)->read();
	else
		ret = ioport(SUPRRIDR_P1_CONTROL_PORT_TAG)->read();

	return ret;
}


static INPUT_PORTS_START( suprridr )
	PORT_START("INPUTS")
	PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, suprridr_state, control_r, nullptr)

	PORT_START("SYSTEM")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_SERVICE1 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("DSW")
	PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 1C_7C ) )
	PORT_DIPNAME( 0x18, 0x00, "Timer Speed" )
	PORT_DIPSETTING(    0x18, "Slow" )
	PORT_DIPSETTING(    0x10, DEF_STR( Medium ) )
	PORT_DIPSETTING(    0x08, "Fast" )
	PORT_DIPSETTING(    0x00, "Fastest" )
	PORT_DIPNAME( 0x20, 0x00, "Bonus" )
	PORT_DIPSETTING(    0x00, "200k" )
	PORT_DIPSETTING(    0x20, "400k" )
	PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x80, 0x00, "Invulnerability?" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START(SUPRRIDR_P1_CONTROL_PORT_TAG)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY
	PORT_BIT( 0x0c, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 )
	PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START(SUPRRIDR_P2_CONTROL_PORT_TAG)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_COCKTAIL
	PORT_BIT( 0x0c, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL
	PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
INPUT_PORTS_END



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

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


static const gfx_layout spritelayout =
{
	16,16,
	RGN_FRAC(1,3),
	3,
	{ RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) },
	{ STEP8(0,1), STEP8(8*8,1) },
	{ STEP8(0,8), STEP8(8*8*2,8) },
	16*16
};


static GFXDECODE_START( suprridr )
	GFXDECODE_ENTRY( "gfx1", 0, charlayout,    0, 2 )
	GFXDECODE_ENTRY( "gfx2", 0, charlayout,   32, 2 )
	GFXDECODE_ENTRY( "gfx3", 0, spritelayout, 64, 2 )
GFXDECODE_END


/*************************************
 *
 *  Machine driver
 *
 *************************************/

static MACHINE_CONFIG_START( suprridr, suprridr_state )

	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", Z80, XTAL_49_152MHz/16)     /* 3 MHz */
	MCFG_CPU_PROGRAM_MAP(main_map)
	MCFG_CPU_IO_MAP(main_portmap)
	MCFG_CPU_VBLANK_INT_DRIVER("screen", suprridr_state,  main_nmi_gen)

	MCFG_CPU_ADD("audiocpu", Z80, 10000000/4)       /* 2.5 MHz */
	MCFG_CPU_PROGRAM_MAP(sound_map)
	MCFG_CPU_IO_MAP(sound_portmap)

	MCFG_WATCHDOG_ADD("watchdog")

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	MCFG_SCREEN_SIZE(32*8, 32*8)
	MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
	MCFG_SCREEN_UPDATE_DRIVER(suprridr_state, screen_update)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_GFXDECODE_ADD("gfxdecode", "palette", suprridr)
	MCFG_PALETTE_ADD("palette", 96)
	MCFG_PALETTE_INIT_OWNER(suprridr_state, suprridr)

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

	MCFG_SOUND_ADD("ay1", AY8910, XTAL_49_152MHz/32)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)

	MCFG_SOUND_ADD("ay2", AY8910, XTAL_49_152MHz/32)
	MCFG_AY8910_PORT_A_READ_CB(READ8(suprridr_state, sound_data_r))
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END



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

ROM_START( suprridr )
	ROM_REGION( 0x10000, "maincpu", 0 )
	ROM_LOAD( "sr8",    0x0000, 0x1000, CRC(4a1f0a6c) SHA1(cabdeafa3b9828d7a6e056fb037abb90484bb33a) )
	ROM_LOAD( "sr7",    0x1000, 0x1000, CRC(523ee717) SHA1(dd2a53a56b0f29b4d02c4207a7260b345cab0074) )
	ROM_LOAD( "sr4",    0x2000, 0x1000, CRC(300370ae) SHA1(bf43d800e1b2a5353625c1012d22df6419292d7d) )
	ROM_LOAD( "sr5",    0x3000, 0x1000, CRC(c5bca683) SHA1(4ebb1eb9dc72128286d60fce8b5c323adb25d332) )
	ROM_LOAD( "sr6",    0x4000, 0x1000, CRC(563bab28) SHA1(47dd5de9826360ccdf2df6866b0799a0390dd939) )
	ROM_LOAD( "sr3",    0x5000, 0x1000, CRC(4b9d2ec5) SHA1(773d53be5a3797c6c16ea8260f03c8e8272b2c32) )
	ROM_LOAD( "sr2",    0x6000, 0x1000, CRC(6fe18e1d) SHA1(9b247d2ab7bfddaa3cfdb5f034100881317e09a8) )
	ROM_LOAD( "sr1",    0x7000, 0x1000, CRC(f2ae64b3) SHA1(fd1878c7f1554e257a190084950a3bcf4b68a28e) )
	ROM_LOAD( "1",      0xc000, 0x1000, CRC(caf12fa2) SHA1(ff3f68cfb7817841cff1de6f78c9ee3d57b12db6) )
	ROM_LOAD( "2",      0xd000, 0x1000, CRC(2b3c638e) SHA1(af397cc9137888ccc503aff1b3554744a2327a4c) )
	ROM_LOAD( "3",      0xe000, 0x1000, CRC(2abdb5f4) SHA1(3003b3f5e70712339bf0d88e45ca0dd7ca8cf7d0) )

	ROM_REGION( 0x10000, "audiocpu", 0 )
	ROM_LOAD( "sr9",    0x0000, 0x1000, CRC(1c5dba78) SHA1(c2232221ae9960295055fcf1bd75d798136e694c) )

	ROM_REGION( 0x2000, "gfx1", 0 )
	ROM_LOAD( "sr10",   0x0000, 0x1000, CRC(a57ac8d0) SHA1(1d4424dcbecb75b0e3e4ef5d296e252e7e9056ff) )
	ROM_LOAD( "sr11",   0x1000, 0x1000, CRC(aa7ec7b2) SHA1(bbc6a1022c15ffbf0f6f9828674c8c9947e7ea5a) )

	ROM_REGION( 0x2000, "gfx2", 0 )
	ROM_LOAD( "sr15",   0x0000, 0x1000, CRC(744f3405) SHA1(4df5932e15e68ba10f8b13ed5a59cc7d54af7b80) )
	ROM_LOAD( "sr16",   0x1000, 0x1000, CRC(3e1a876b) SHA1(15b1c40c4a6e8e3e4702699396ce0885027ab6d1) )

	ROM_REGION( 0x3000, "gfx3", 0 )
	ROM_LOAD( "sr12",   0x0000, 0x1000, CRC(81494fe8) SHA1(056de41952e6fd564ecc0ecb718caf467c03bfed) )
	ROM_LOAD( "sr13",   0x1000, 0x1000, CRC(63e94648) SHA1(05fdd285f6040aa349082845fcadd6bfbd2da2f5) )
	ROM_LOAD( "sr14",   0x2000, 0x1000, CRC(277a70af) SHA1(2235b369f1a30443f058bfe895b0d2dd294b587c) )

	ROM_REGION( 0x0060, "proms", 0 )
	ROM_LOAD( "clr.1b", 0x0000, 0x0020, CRC(87a79fe8) SHA1(b0e982cfd7c2c8669841cf26625cd0912f4038f3) )
	ROM_LOAD( "clr.9c", 0x0020, 0x0020, CRC(10d63240) SHA1(74b1c53dacb5d30cd4cf189dda6b452d88dd22f3) )
	ROM_LOAD( "clr.8a", 0x0040, 0x0020, CRC(917eabcd) SHA1(df417ca42a4e9e7d32b443e73efaaf395f31e44a) )
ROM_END



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

GAME( 1983, suprridr, 0, suprridr, suprridr, driver_device, 0, ROT90, "Taito Corporation (Venture Line license)", "Super Rider", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )