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// license:BSD-3-Clause
// copyright-holders:David Haywood, Paul Priest
/* One Shot One Kill & Maddonna
   Driver by David Haywood and Paul Priest
   Dip Switches and Inputs by stephh

Hardware identified by Tuning manual as "VISYS-Board(R) (Video-System-Board)"

Notes :
  - The YM3812 is used only for timing. All sound is played with ADPCM samples.

  - It doesn't seem possible to make 2 consecutive shots at the same place !
    Ingame bug or is there something missing in the emulation ?
    * several gun games are like this, changed the driver so it doesn't try

  - Gun X range is 0x0000-0x01ff and gun Y range is 0x0000-0x00ff, so you
    can shoot sometimes out of the "visible area" ... NOT A BUG !
  - Player 1 and 2 guns do NOT use the same routine to determine the
    coordinates of an impact on the screen : position both guns in the
    "upper left" corner in the "gun test" to see what I mean.
  - I've assumed that the shot was right at the place the shot was made,
    but I don't have any more information about that
    (what the hell is "Gun X Shift Left" REALLY used for ?)

TO DO :

  - fix some priorities for some tiles
  - verify the parameters for the guns (analog ports)
  - figure out year and manufacturer
    (NOTHING is displayed in "demo mode", nor when you complete ALL levels !)
  - sound too fast in Maddonna?
  - layer order register?

NOTE: An eBay auction of the PCB shows "1996.9.16 PROMAT" on the JAMMA+ adapter for
      One Shot One Kill.  This information was used for the year & manufacturer.
      Also listed in an Approved Game list on a HK government site as "Promet"


Main board:
+---------------------------------------------+
|      5MHz                    +------------+ |
|VOL  YM3812  Z80A  M6295      |25x6 row pin| |
| YM3014 6116           PAL    +------------+ |
|        PAL                                  |
|                               +---------+   |
|                    KM681000LP | ACTEL   |   |
|                               | A1020A  |   |
|                    KM681000LP | PL84C   |   |
|J                              +---------+   |
|A                                            |
|M                   +---------++---------+   |
|M       MB.ROM      | Cypress || ACTEL   |   |
|A       KM6264      | CY7C384A|| A1020A  |   |
|        KM6264 PAL  |  -XJC   || PL84C   |   |
|                    +---------++---------+   |
|             PAL PAL   KM681000LP            |
| DSW2       6     6116 KM681000LP  PAL       |
|            8     6116             PAL       |
| DSW1       0                 +------------+ |
|     27MHz  0  CXK58256       |25x4 row pin| |
|LED  12MHz  0  CXK58256       +------------+ |
+---------------------------------------------+

  CPU: 68000, Z80A
Sound: YM3812/YM3014 + OKI M6295 (badged as K-666/K-664 + AD-65)
  OSC: 27MHz, 12MHz & 5MHz
  RAM: Samsung KM681000LP-10 128Kx8 Low power SRAM x 4
       Samsung KM6264AL-10 8Kx8 Low power SRAM x 2
       Sony CXK58256-10L 32Kx8 High speed SRAM x 2
       UMC UM6116K-2 2Kx8 SRAM x 3
Other: Cypress CY7C384A 2K Very high speed Gate CMOS FPGA
       Actel A1020A FPGA
       DSW 8 position dipswitch x 2
       LED - Power LED
       VOL - Volume adjust pot
Connectors to ROM board:
  25 pins by 6 rows & 25 pins by 4 rows

Rom board:
+-----------------------+
|        +------------+ |
|        |25x6 row pin| |
|        +------------+ |
|        U15*     UI8   |
|                       |
|        UA2      UI8A  |
|                       |
|        U14*     UI11  |
|                       |
|        UA22     UI11A |
|                       |
|        UA24     UI13  |
|                       |
|  +---------+    UI13A |
|  | ACTEL   |          |
|  | A1020A  |    UI16  |
|  | PL84C   |          |
|  +---------+    UI16A |
|        +------------+ |
|        |25x4 row pin| |
|        +------------+ |
+-----------------------+

Note: * denotes unpopulated

Other: Actel A1020A FPGA
Connectors to main board:
  25 pins by 6 rows & 25 pins by 4 rows

For One Shot One Kill:
 There is an additional board that connects to the JAMMA connector that has some logic chips,
 a JAMMA edge connector and two 4 pin headers to connect the light guns as well as a 2 wire jumper
 that connects to some ROM board logic chips (assumed) for light gun input. Also the YM3812 sound
 chip appears to be unpopulated for One Shot One Kill.
 The ROM board for One Shot One Kill has 8 additional logic chips along the front edge of the PCB


Clock measurements:
 SCN68000C8N64: 12MHz
     Z8400A PS: 3.375MHz (27MHz/8)
        YM3812: 3.375MHz (27MHz/8)
   OKI MSM6295: 1.25MHz, pin 7 is hard-wired to GROUND (5MHz/4)
         VSYNC: 56.05Hz
        H-SYNC: 15.06KHz

*/

#include "emu.h"
#include "includes/oneshot.h"

#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "machine/gen_latch.h"
#include "sound/okim6295.h"
#include "sound/ymopl.h"

#include "screen.h"
#include "speaker.h"


u16 oneshot_state::oneshot_in0_word_r()
{
	const u16 data = m_io_dsw1->read();

	switch (data & 0x0c)
	{
		case 0x00 :
			m_gun_x_shift = 35;
			break;
		case 0x04 :
			m_gun_x_shift = 30;
			break;
		case 0x08 :
			m_gun_x_shift = 40;
			break;
		case 0x0c :
			m_gun_x_shift = 50;
			break;
	}

	return data;
}

u16 oneshot_state::oneshot_gun_x_p1_r()
{
	/* shots must be in a different location to register */
	m_p1_wobble ^= 1;

	return m_gun_x_p1 ^ m_p1_wobble;
}

u16 oneshot_state::oneshot_gun_y_p1_r()
{
	return m_gun_y_p1;
}

u16 oneshot_state::oneshot_gun_x_p2_r()
{
	/* shots must be in a different location to register */
	m_p2_wobble ^= 1;

	return m_gun_x_p2 ^ m_p2_wobble;
}

u16 oneshot_state::oneshot_gun_y_p2_r()
{
	return m_gun_y_p2;
}

void oneshot_state::soundbank_w(u8 data)
{
	m_oki->set_rom_bank((data & 0x03) ^ 0x03);
}



void oneshot_state::mem_map(address_map &map)
{
	map(0x000000, 0x03ffff).rom();
	map(0x080000, 0x087fff).ram();
	map(0x0c0000, 0x0c07ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
	map(0x120000, 0x120fff).ram().share("spriteram");
	//map(0x13f000, 0x13f000).noprw(); // Unknown read / writes
	map(0x180000, 0x180fff).ram().w(FUNC(oneshot_state::mid_videoram_w)).share("mid_videoram"); // some people , girl etc.
	map(0x181000, 0x181fff).ram().w(FUNC(oneshot_state::fg_videoram_w)).share("fg_videoram"); // credits etc.
	map(0x182000, 0x182fff).ram().w(FUNC(oneshot_state::bg_videoram_w)).share("bg_videoram"); // credits etc.
	map(0x188000, 0x18800f).writeonly().share("scroll");    // scroll registers
	map(0x190003, 0x190003).r("soundlatch", FUNC(generic_latch_8_device::read));
	map(0x190011, 0x190011).w("soundlatch", FUNC(generic_latch_8_device::write));
	map(0x190019, 0x190019).w(FUNC(oneshot_state::soundbank_w));
	map(0x190026, 0x190027).r(FUNC(oneshot_state::oneshot_gun_x_p1_r));
	map(0x19002e, 0x19002f).r(FUNC(oneshot_state::oneshot_gun_x_p2_r));
	map(0x190036, 0x190037).r(FUNC(oneshot_state::oneshot_gun_y_p1_r));
	map(0x19003e, 0x19003f).r(FUNC(oneshot_state::oneshot_gun_y_p2_r));
	map(0x19c020, 0x19c021).r(FUNC(oneshot_state::oneshot_in0_word_r));
	map(0x19c024, 0x19c025).portr("DSW2");
	map(0x19c02c, 0x19c02d).portr("CREDITS");
	map(0x19c030, 0x19c031).portr("P1");
	map(0x19c034, 0x19c035).portr("P2");
}

void oneshot_state::sound_map(address_map &map)
{
	map(0x0000, 0x7fff).rom();
	map(0x8000, 0x8000).rw("soundlatch", FUNC(generic_latch_8_device::read), FUNC(generic_latch_8_device::write));
	map(0x8001, 0x87ff).ram();
	map(0xe000, 0xe001).rw("ymsnd", FUNC(ym3812_device::read), FUNC(ym3812_device::write));
	map(0xe010, 0xe010).rw(m_oki, FUNC(okim6295_device::read), FUNC(okim6295_device::write));
}


static INPUT_PORTS_START( oneshot )
	PORT_START("DSW1")  /* 0x19c020.l -> 0x08006c.l */
	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) )      // 0x080084.l : credits (00-09)
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 1C_2C ) )
	PORT_DIPNAME( 0x0c, 0x00, "Gun X Shift Left" )      // 0x0824ec.l (not in "test mode")
	PORT_DIPSETTING(    0x04, "30" )
	PORT_DIPSETTING(    0x00, "35" )
	PORT_DIPSETTING(    0x08, "40" )
	PORT_DIPSETTING(    0x0c, "50" )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Demo_Sounds ) )  // 0x082706.l - to be confirmed
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
	PORT_SERVICE( 0x20, IP_ACTIVE_HIGH )            // 0x0824fe.l
	PORT_DIPNAME( 0x40, 0x00, "Start Round" )           // 0x08224e.l
	PORT_DIPSETTING(    0x00, "Gun Trigger" )
	PORT_DIPSETTING(    0x40, "Start Button" )
	PORT_DIPNAME( 0x80, 0x00, "Gun Test" )          // 0x082286.l
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("DSW2")  /* 0x19c024.l -> 0x08006e.l */
	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )        // 0x082500.l
	PORT_DIPSETTING(    0x01, "1" )
	PORT_DIPSETTING(    0x02, "2" )
	PORT_DIPSETTING(    0x00, "3" )
	PORT_DIPSETTING(    0x03, "5" )
	PORT_DIPUNUSED( 0x04, IP_ACTIVE_HIGH )
	PORT_DIPUNUSED( 0x08, IP_ACTIVE_HIGH )
	PORT_DIPNAME( 0x30, 0x00, DEF_STR( Difficulty ) )   // 0x082506.l
	PORT_DIPSETTING(    0x10, DEF_STR( Easy ) )             // 0
	PORT_DIPSETTING(    0x00, DEF_STR( Normal ) )           // 1
	PORT_DIPSETTING(    0x20, DEF_STR( Hard ) )             // 2
	PORT_DIPSETTING(    0x30, DEF_STR( Hardest ) )          // 3
	PORT_DIPNAME( 0x40, 0x00, "Round Select" )      // 0x082f16.l - only after 1st stage
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )      // "On"  in the "test mode"
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )           // "Off" in the "test mode"
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) )    // 0x0800ca.l
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x80, DEF_STR( On ) )

	PORT_START("CREDITS")   /* 0x19c02c.l -> 0x08007a.l */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("P1")    /* Player 1 Gun Trigger (0x19c030.l) */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("P2")    /* Player 2 Gun Trigger (0x19c034.l) */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("LIGHT0_X")  /* Player 1 Gun X       ($190026.l) */
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(35) PORT_KEYDELTA(15) PORT_PLAYER(1)

	PORT_START("LIGHT0_Y")  /* Player 1 Gun Y       ($190036.l) */
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(35) PORT_KEYDELTA(15) PORT_PLAYER(1)

	PORT_START("LIGHT1_X")  /* Player 2 Gun X       ($19002e.l) */
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(35) PORT_KEYDELTA(15) PORT_PLAYER(2)

	PORT_START("LIGHT1_Y")  /* Player 2 Gun Y       ($19003e.l) */
	PORT_BIT( 0xff, 0x80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(35) PORT_KEYDELTA(15) PORT_PLAYER(2)

INPUT_PORTS_END

static INPUT_PORTS_START( maddonna )
	PORT_START("DSW1")
	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 2C_2C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 1C_1C ) )
	PORT_DIPNAME( 0x04, 0x04, "Girl Pictures" )
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x04, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )      // Not defined in the manual
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x08, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )      // Not defined in the manual
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x00, "Invulnerability" )       // This one was not defined in the manual
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x40, DEF_STR( On ) )
	PORT_SERVICE( 0x80, IP_ACTIVE_HIGH )

	PORT_START("DSW2")
	PORT_DIPNAME( 0x03, 0x02, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Easy ) )             // 2 Monsters at start, but "dumber"??
	PORT_DIPSETTING(    0x01, DEF_STR( Normal ) )           // 2 Monsters at start
	PORT_DIPSETTING(    0x02, DEF_STR( Hard ) )             // 3 Monsters at start
	PORT_DIPSETTING(    0x03, DEF_STR( Hardest ) )          // 4 Monsters at start
	PORT_DIPNAME( 0x0c, 0x08, "Time Per Round" )
	PORT_DIPSETTING(    0x08, "80 Seconds" )
	PORT_DIPSETTING(    0x04, "90 Seconds" )
	PORT_DIPSETTING(    0x00, "100 Seconds" )
//  PORT_DIPSETTING(    0x0c, "?? Seconds" )        // Not Defined for On+On
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Lives ) )
	PORT_DIPSETTING(    0x10, "3" )
	PORT_DIPSETTING(    0x00, "5" )
	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )      // Not defined in the manual
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x20, DEF_STR( On ) )
	PORT_DIPNAME( 0xc0, 0x00, "Hurry Up!" )         // Controls "Hurry Up!" banner & Vampire - Not defined the in manual
	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )      // No Hurry up
	PORT_DIPSETTING(    0x40, "On - 10" )           // The rest show the banner but is there a difference in how the Vampire shows up???
	PORT_DIPSETTING(    0x80, "On - 01" )
	PORT_DIPSETTING(    0xc0, "On - 11" )

	PORT_START("CREDITS")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	// "Very important ! (Sehr WICHTIG) 4-Way Joystick !!!" (Tuning manual)
	PORT_START("P1")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )

	PORT_START("P2")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
INPUT_PORTS_END


static const gfx_layout oneshot16x16_layout =
{
	16,16,
	RGN_FRAC(1,8),
	8,
	{ RGN_FRAC(0,8),RGN_FRAC(1,8),RGN_FRAC(2,8),RGN_FRAC(3,8),RGN_FRAC(4,8),RGN_FRAC(5,8),RGN_FRAC(6,8),RGN_FRAC(7,8) },
	{ STEP8(0,1), STEP8(8*8,1) },
	{ STEP8(0,8), STEP8(8*8*2,8) },
	16*16
};

static const gfx_layout oneshot8x8_layout =
{
	8,8,
	RGN_FRAC(1,8),
	8,
	{ RGN_FRAC(0,8),RGN_FRAC(1,8),RGN_FRAC(2,8),RGN_FRAC(3,8),RGN_FRAC(4,8),RGN_FRAC(5,8),RGN_FRAC(6,8),RGN_FRAC(7,8) },
	{ STEP8(0,1) },
	{ STEP8(0,8) },
	8*8
};


static GFXDECODE_START( gfx_oneshot )
	GFXDECODE_ENTRY( "gfx1", 0, oneshot16x16_layout, 0, 4  ) /* sprites */
	GFXDECODE_ENTRY( "gfx1", 0, oneshot8x8_layout,   0, 4  ) /* sprites */
GFXDECODE_END

void oneshot_state::machine_start()
{
	save_item(NAME(m_gun_x_p1));
	save_item(NAME(m_gun_y_p1));
	save_item(NAME(m_gun_x_p2));
	save_item(NAME(m_gun_y_p2));
	save_item(NAME(m_gun_x_shift));
	save_item(NAME(m_p1_wobble));
	save_item(NAME(m_p2_wobble));
}

void oneshot_state::machine_reset()
{
	m_gun_x_p1 = 0;
	m_gun_y_p1 = 0;
	m_gun_x_p2 = 0;
	m_gun_y_p2 = 0;
	m_gun_x_shift = 0;
	m_p1_wobble = 0;
	m_p2_wobble = 0;
}

void oneshot_state::oneshot(machine_config &config)
{
	/* basic machine hardware */
	M68000(config, m_maincpu, 12_MHz_XTAL); // 12MHz - verified
	m_maincpu->set_addrmap(AS_PROGRAM, &oneshot_state::mem_map);
	m_maincpu->set_vblank_int("screen", FUNC(oneshot_state::irq4_line_hold));

	Z80(config, "audiocpu", 27_MHz_XTAL/8).set_addrmap(AS_PROGRAM, &oneshot_state::sound_map); // 3.375MHz - verified

	/* video hardware */
	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
	screen.set_refresh_hz(56);
	screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
	screen.set_size(32*16, 32*16);
	screen.set_visarea(0*16, 20*16-1, 0*16, 15*16-1);
	screen.set_screen_update(FUNC(oneshot_state::screen_update_oneshot));
	screen.set_palette(m_palette);

	GFXDECODE(config, m_gfxdecode, m_palette, gfx_oneshot);
	PALETTE(config, m_palette).set_format(palette_device::xBGR_555, 0x400);

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

	GENERIC_LATCH_8(config, "soundlatch");

	ym3812_device &ymsnd(YM3812(config, "ymsnd", 27_MHz_XTAL/8)); // 3.375MHz - verified
	ymsnd.irq_handler().set_inputline("audiocpu", 0);
	ymsnd.add_route(ALL_OUTPUTS, "mono", 1.0);

	OKIM6295(config, m_oki, 5_MHz_XTAL/4, okim6295_device::PIN7_LOW); // 1.25MHz - verified, pin 7 is hard-wired to GROUND
	m_oki->add_route(ALL_OUTPUTS, "mono", 1.0);
}

void oneshot_state::maddonna(machine_config &config)
{
	oneshot(config);
	subdevice<screen_device>("screen")->set_screen_update(FUNC(oneshot_state::screen_update_maddonna));
}

void oneshot_state::komocomo(machine_config &config)
{
	oneshot(config);
	subdevice<screen_device>("screen")->set_screen_update(FUNC(oneshot_state::screen_update_komocomo));
}



ROM_START( oneshot )
	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "1shot-u.a24", 0x00000, 0x20000, CRC(0ecd33da) SHA1(d050e9a1900cd9f629818034b1445e034b6cf81c) )
	ROM_LOAD16_BYTE( "1shot-u.a22", 0x00001, 0x20000, CRC(26c3ae2d) SHA1(47e479abe06d508a9d9fe677d34d6a485bde5533) )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */
	ROM_LOAD( "1shot.ua2", 0x00000, 0x010000, CRC(f655b80e) SHA1(2574a812c35801755c187a47f46ccdb0983c5feb) )

	ROM_REGION( 0x400000, "gfx1", 0 ) /* Sprites */
	ROM_LOAD( "1shot-ui.16a", 0x000000, 0x080000, CRC(f765f9a2) SHA1(f6c386e0421fcb0e420585dd27d9dad951bb2556) )
	ROM_LOAD( "1shot-ui.13a", 0x080000, 0x080000, CRC(3361b5d8) SHA1(f7db674d479765d4e58fb663aa5e13dde2abcce7) )
	ROM_LOAD( "1shot-ui.11a", 0x100000, 0x080000, CRC(8f8bd027) SHA1(fbec952ab5604c8e20c5e7cfd2844f4fe5441186) )
	ROM_LOAD( "1shot-ui.08a", 0x180000, 0x080000, CRC(254b1701) SHA1(163bfa70508fca20be70dd0af8b768ab6bf211b9) )
	ROM_LOAD( "1shot-ui.16",  0x200000, 0x080000, CRC(ff246b27) SHA1(fef6029030268174ef9648b8f437aeda68475346) )
	ROM_LOAD( "1shot-ui.13",  0x280000, 0x080000, CRC(80342e83) SHA1(2ac2b300382a607a539d2b0982ab596f05be3ad3) )
	ROM_LOAD( "1shot-ui.11",  0x300000, 0x080000, CRC(b8938345) SHA1(318cf0d070db786680a45811bbd765fa37caaf62) )
	ROM_LOAD( "1shot-ui.08",  0x380000, 0x080000, CRC(c9953bef) SHA1(21917a9dcc0afaeec20672ad863d0c9d583369e3) )

	ROM_REGION( 0x100000, "oki", 0 ) /* Samples */
	ROM_LOAD( "1shot.u15", 0x000000, 0x080000, CRC(e3759a47) SHA1(1159335924a6d68a0a24bfbe0c9182107f3f05f8) )
	ROM_LOAD( "1shot.u14", 0x080000, 0x080000, CRC(222e33f8) SHA1(2665afdf4cb1a29325df62efc1843a4b2cf34a4e) )

	ROM_REGION( 0x10000, "user1", 0 )
	ROM_LOAD( "1shot.mb", 0x00000, 0x10000, CRC(6b213183) SHA1(599c59d155d11edb151bfaed1d24ef964462a447) ) // motherboard rom, unknown purpose
ROM_END

/*
For this set of Mad Donna, original ROM labels follow this format:
  MADDONNA
  TMAD_B15  (B15 being the PCB location of ROM)
  160595    (Date, IE: May 16th, 1995)
*/
ROM_START( maddonna )

	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "maddonna_tmad_b16_160595.ua24", 0x00000, 0x20000, CRC(643f9054) SHA1(77907ecdb02a525f9beed7fee203431eda16c831) )
	ROM_LOAD16_BYTE( "maddonna_tmad_b15_160595.ua22", 0x00001, 0x20000, CRC(e36c0e26) SHA1(f261b2c74eeca05df302aa4956f5d02121d42054) )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */
	ROM_LOAD( "maddonna_tmad_b13_160595.ua2", 0x00000, 0x010000, CRC(f2080071) SHA1(68cbae9559879b2dc19c41a7efbd13ab4a569d3f) )

	ROM_REGION( 0x400000, "gfx1", 0 ) /* Sprites */
	ROM_LOAD( "maddonna_tmad_b5_160595.ui16a", 0x000000, 0x080000, CRC(838d3244) SHA1(7339143481ec043219825f282450ff53bb718f8c) )
	ROM_LOAD( "maddonna_tmad_b7_160595.ui13a", 0x080000, 0x080000, CRC(4920d2ec) SHA1(e72a374bca81ffa4f925326455e007df7227ae08) )
	ROM_LOAD( "maddonna_tmad_b9_160595.ui11a", 0x100000, 0x080000, CRC(3a8a3feb) SHA1(832654902963c163644134431fd1221e1895cfec) )
	ROM_LOAD( "maddonna_tmad_b11_160595.ui8a", 0x180000, 0x080000, CRC(6f9b7fdf) SHA1(14ced1d43eae3b6db4a0a4c12fb26cbd13eb7428) )
	ROM_LOAD( "maddonna_tmad_b6_160595.ui16",  0x200000, 0x080000, CRC(b02e9e0e) SHA1(6e527a2bfda0f4f420c10139c75dac2704e08d08) )
	ROM_LOAD( "maddonna_tmad_b8_160595.ui13",  0x280000, 0x080000, CRC(03f1de40) SHA1(bb0c0525155404c0740ac5f048f71ae7651a5941) )
	ROM_LOAD( "maddonna_tmad_b10_160595.ui11", 0x300000, 0x080000, CRC(87936423) SHA1(dda42f3685427edad7686d9712ff07d2fd9bf57e) )
	ROM_LOAD( "maddonna_tmad_b12_160595.ui8",  0x380000, 0x080000, CRC(879ab23c) SHA1(5288016542a10e60ccb28a930d8dfe4db41c6fc6) )

	ROM_REGION( 0x100000, "oki", ROMREGION_ERASE00 ) /* Samples */
	/* no samples for this game */

	ROM_REGION( 0x10000, "user1", 0 )
	ROM_LOAD( "x1", 0x00000, 0x10000, CRC(6b213183) SHA1(599c59d155d11edb151bfaed1d24ef964462a447) ) // motherboard rom, unknown purpose
ROM_END

ROM_START( komocomo ) // ROM PCB marked : GAME B/D TOPnew1 002
	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "11.ua24", 0x00000, 0x10000, CRC(31c18579) SHA1(da97207afced0cf844b111752e9f634a49bc7115) )
	ROM_LOAD16_BYTE( "10.ua22", 0x00001, 0x10000, CRC(fa839c0f) SHA1(53aee489e694e5777bd5ac20aa2b51c2c9e5493a) )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */
	ROM_LOAD( "9.ua2", 0x00000, 0x010000, CRC(f2080071) SHA1(68cbae9559879b2dc19c41a7efbd13ab4a569d3f) ) // 1ST AND 2ND HALF IDENTICAL

	ROM_REGION( 0x400000, "gfx1", 0 ) /* Sprites */
	ROM_LOAD( "8.ui16a",  0x000000, 0x080000, CRC(11ac04ab) SHA1(321a7af3bdf47fa0ec1f7bbd758dd1023b409a06) )
	ROM_LOAD( "6.ui13a",  0x080000, 0x080000, CRC(bb498592) SHA1(f7946a40d35ae0726860dd65f1aaf1c145d51afd) )
	ROM_LOAD( "4.ui11a",  0x100000, 0x080000, CRC(d22dd6d8) SHA1(f466167d088275cdc973535401895272d48c8079) )
	ROM_LOAD( "2.ui8a",   0x180000, 0x080000, CRC(cc5360f8) SHA1(61670b970a71af8f008052a98c10127f8b412a85) )
	ROM_LOAD( "7.ui16",   0x200000, 0x080000, CRC(dc71de75) SHA1(adc8f51acf34e41b94a740dc2b7a66b23a7ffcf5) )
	ROM_LOAD( "5.ui13",   0x280000, 0x080000, CRC(56bc3719) SHA1(947d7fe45273052fbd666ad8e9bef9818c6e3104) )
	ROM_LOAD( "3.ui11",   0x300000, 0x080000, CRC(646073d1) SHA1(87593ccbe9419da2ea70763784acc12221b5bed8) )
	ROM_LOAD( "1.ui8",    0x380000, 0x080000, CRC(58ba6622) SHA1(ee5a759ab22a663da5bba1db5fec23958bfee771) )

	ROM_REGION( 0x100000, "oki", ROMREGION_ERASE00 ) /* Samples */
	/* no samples for this game */

	ROM_REGION( 0x10000, "user1", 0 )
	ROM_LOAD( "12.bin", 0x00000, 0x10000, CRC(6b213183) SHA1(599c59d155d11edb151bfaed1d24ef964462a447) ) // motherboard rom, unknown purpose
ROM_END


/* The tiles containing the copyright string (tiles 0x3979 onwards) differ in this set.
   Both versions have tiles containing the 'Tuning - Germany' copyright messages, but
   the parent set has additional tiles containing the '(c)Copyright 1995' which is shown
   on the title screen.

   The lack of these tiles in this set causes all subsequent tiles to be shifted.  It is
   likely that the correct program roms for this set either don't show '(c)Copyright 1995'
   or display it using the regular font instead. */

ROM_START( maddonnab )
	ROM_REGION( 0x40000, "maincpu", 0 ) /* 68000 Code */
	/* program roms missing in this dump, gfx don't seem 100% correct for other ones */
	ROM_LOAD16_BYTE( "maddonnb.b16", 0x00000, 0x20000, NO_DUMP )
	ROM_LOAD16_BYTE( "maddonnb.b15", 0x00001, 0x20000, NO_DUMP )

	ROM_REGION( 0x10000, "audiocpu", 0 ) /* Z80 Code */
	ROM_LOAD( "x13.ua2", 0x00000, 0x010000, CRC(f2080071) SHA1(68cbae9559879b2dc19c41a7efbd13ab4a569d3f) )

	ROM_REGION( 0x400000, "gfx1", 0 ) /* Sprites */
	ROM_LOAD( "x5.16a",  0x000000, 0x080000, CRC(1aae0ad3) SHA1(a5afe699c66dcc5e7928807ae1c8be7ffdda798c) )
	ROM_LOAD( "x7.13a",  0x080000, 0x080000, CRC(39d13e25) SHA1(bfe8b187c7fc9dc1ac2cc3f840a686a25ec55340) )
	ROM_LOAD( "x9.11a",  0x100000, 0x080000, CRC(2027faeb) SHA1(cb8c697705ac70ec3cf74901a2becf6abd8be63d) )
	ROM_LOAD( "x11.08a", 0x180000, 0x080000, CRC(4afcfba6) SHA1(b3fff9217db2770e703bf8317a718aeee1e5c44d) )
	ROM_LOAD( "x6.16",   0x200000, 0x080000, CRC(7b893e78) SHA1(d38c5b159031976e7864021e59cc4fff61ffb53f) )
	ROM_LOAD( "x8.13",   0x280000, 0x080000, CRC(fed90a1f) SHA1(e2cff7ce24697308c50dadb0c042d87f3e46abdb) )
	ROM_LOAD( "x10.11",  0x300000, 0x080000, CRC(479d718c) SHA1(4fbc2568744cf78b15c6e0f3caba4d7109743cdd) )
	ROM_LOAD( "x12.08",  0x380000, 0x080000, CRC(d56ca9f8) SHA1(49bca5dbc048e7b7efa34e1c08ee1b76767ffe38) )

	ROM_REGION( 0x100000, "oki", ROMREGION_ERASE00 ) /* Samples */
	/* no samples for this game */

	ROM_REGION( 0x10000, "user1", 0 )
	ROM_LOAD( "x1", 0x00000, 0x10000, CRC(6b213183) SHA1(599c59d155d11edb151bfaed1d24ef964462a447) ) // motherboard rom, unknown purpose
ROM_END


// all sets have a large (unused) PROMAT logo in them
GAME( 1995, maddonna, 0,        maddonna, maddonna, oneshot_state, empty_init, ROT0, "Promat (Tuning license)",  "Mad Donna (Tuning, set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1995, maddonnab,maddonna, maddonna, maddonna, oneshot_state, empty_init, ROT0, "Promat (Tuning license)",  "Mad Donna (Tuning, set 2)", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )
GAME( 1995, komocomo, maddonna, komocomo, maddonna, oneshot_state, empty_init, ROT0, "bootleg", "Komo Como (Topmar, bootleg?)", MACHINE_SUPPORTS_SAVE ) // shows TOPMAR (an anagram of PROMAT) on the side, possibly a hack of the original PROMAT version

GAME( 1996, oneshot,  0,        oneshot,  oneshot , oneshot_state, empty_init, ROT0, "Promat",  "One Shot One Kill", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )