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path: root/src/mame/drivers/kinstb.c
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/***************************************************************************

    Killer Instinct bootleg/hack.
    -----------------------------

    Driver (based on nss.c ) by Tomasz Slanina  analog[at]op.pl

    PCB Info:
        ---------

    (Nintendo SNES hardware)

    PQFP 100(?)pin chip marked "SP-BE0"
    PQFP 100(?)pin chip marked "SP-BH0"
    PQFP 100(?)pin chip marked "SP-AF0"
    Lattice pLSI 1024-60LJ B604S03
    6116 SRAM    x2
    AS7C256 SRAM x8
    jumper pack (12)
    dsw8         x2
    Xtal 24.576 MHz
    Xtal 21.47727 MHz
    volume pot
    27c801       x4
    two empty eprom sockets

    It's SNES version of KI with few mods (removed copyright messages,
    extra code for coin input, etc).

    256 bytes of RAM ( mapped to reserved area) are shared with some
    device (probably Lattice PLD) used for handle coin inputs and dips

    Data lines of eproms are bitswapped.

***************************************************************************/
#include "driver.h"
#include "includes/snes.h"

extern DRIVER_INIT( snes_hirom );

static INT8 shared_ram[0x100];

static READ8_HANDLER(sharedram_r)
{
	//check coins
	static INT32 oldinput=0;
	INT32 coincnt;
#ifdef MAME_DEBUG
	INT32	input=readinputport(13);
#else
	INT32	input=readinputport(10);
#endif

	if(input&3)
	{
		if( ((input&1)==1)&&((oldinput&1)==0))	{shared_ram[0]++;}

		coincnt=shared_ram[0];

		if(coincnt>99){coincnt=99;}

		shared_ram[0xb]=(coincnt/10)+'0';
		shared_ram[0xa]=(coincnt%10)+'0';
	}
	oldinput=input;
	return shared_ram[offset];
}

static WRITE8_HANDLER(sharedram_w)
{
	shared_ram[offset]=data;
}

static ADDRESS_MAP_START( kinstb_map, ADDRESS_SPACE_PROGRAM, 8)
	AM_RANGE(0x000000, 0x2fffff) AM_READWRITE(snes_r_bank1, snes_w_bank1)	/* I/O and ROM (repeats for each bank) */
	AM_RANGE(0x300000, 0x3fffff) AM_READWRITE(snes_r_bank2, snes_w_bank2)	/* I/O and ROM (repeats for each bank) */
	AM_RANGE(0x400000, 0x5fffff) AM_READWRITE(snes_r_bank3, MWA8_ROM)	/* ROM (and reserved in Mode 20) */
	AM_RANGE(0x600000, 0x6fffff) AM_READWRITE(snes_r_bank6, snes_w_bank6)	/* used by Mode 20 DSP-1 */
	AM_RANGE(0x700000, 0x77ffff) AM_READWRITE(snes_r_sram, snes_w_sram)	/* 256KB Mode 20 save ram + reserved from 0x8000 - 0xffff */
	AM_RANGE(0x781000, 0x7810ff) AM_READWRITE(sharedram_r, sharedram_w) /*shared with some device - mcu ? */
	AM_RANGE(0x7e0000, 0x7fffff) AM_RAM					/* 8KB Low RAM, 24KB High RAM, 96KB Expanded RAM */
	AM_RANGE(0x800000, 0xffffff) AM_READWRITE(snes_r_bank4, snes_w_bank4)	/* Mirror and ROM */
ADDRESS_MAP_END

static READ8_HANDLER( spc_ram_100_r )
{
	return spc_ram_r(offset + 0x100);
}

static WRITE8_HANDLER( spc_ram_100_w )
{
	spc_ram_w(offset + 0x100, data);
}

static ADDRESS_MAP_START( spc_mem, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x00ef) AM_READWRITE(spc_ram_r, spc_ram_w) AM_BASE(&spc_ram)   	/* lower 32k ram */
	AM_RANGE(0x00f0, 0x00ff) AM_READWRITE(spc_io_r, spc_io_w)   	/* spc io */
	AM_RANGE(0x0100, 0xffff) AM_WRITE(spc_ram_100_w)
	AM_RANGE(0x0100, 0xffbf) AM_READ(spc_ram_100_r)
	AM_RANGE(0xffc0, 0xffff) AM_READ(spc_ipl_r)
ADDRESS_MAP_END

static INPUT_PORTS_START( kinstb )
	PORT_START  /* IN 0 : Joypad 1 - L */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P1 Button A") PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P1 Button X") PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P1 Button L") PORT_PLAYER(1)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P1 Button R") PORT_PLAYER(1)
	PORT_START  /* IN 1 : Joypad 1 - H */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P1 Button B") PORT_PLAYER(1)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P1 Button Y") PORT_PLAYER(1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_NAME("P1 Select")
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 ) PORT_NAME("P1 Start")
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)

	PORT_START  /* IN 2 : Joypad 2 - L */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P2 Button A") PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P2 Button X") PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P2 Button L") PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P2 Button R") PORT_PLAYER(2)
	PORT_START  /* IN 3 : Joypad 2 - H */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P2 Button B") PORT_PLAYER(2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P2 Button Y") PORT_PLAYER(2)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE2 ) PORT_NAME("P2 Select")
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 ) PORT_NAME("P2 Start")
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)

	PORT_START  /* IN 4 : Joypad 3 - L */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P3 Button A") PORT_PLAYER(3)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P3 Button X") PORT_PLAYER(3)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P3 Button L") PORT_PLAYER(3)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P3 Button R") PORT_PLAYER(3)
	PORT_START  /* IN 5 : Joypad 3 - H */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P3 Button B") PORT_PLAYER(3)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P3 Button Y") PORT_PLAYER(3)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE3 ) PORT_NAME("P3 Select")
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START3 ) PORT_NAME("P3 Start")
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)

	PORT_START  /* IN 6 : Joypad 4 - L */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P4 Button A") PORT_PLAYER(4)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P4 Button X") PORT_PLAYER(4)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P4 Button L") PORT_PLAYER(4)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P4 Button R") PORT_PLAYER(4)
	PORT_START  /* IN 7 : Joypad 4 - H */
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P4 Button B") PORT_PLAYER(4)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P4 Button Y") PORT_PLAYER(4)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE4 ) PORT_NAME("P4 Select")
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START4 ) PORT_NAME("P4 Start")
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(4)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(4)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(4)
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(4)

	PORT_START	/* IN 8 : Internal switches */
	PORT_DIPNAME( 0x1, 0x1, "Enforce 32 sprites/line" )
	PORT_DIPSETTING(   0x0, DEF_STR( No )  )
	PORT_DIPSETTING(   0x1, DEF_STR( Yes ) )

#ifdef MAME_DEBUG
	PORT_START	/* IN 9 : debug switches */
	PORT_DIPNAME( 0x3, 0x0, "Browse tiles" )
	PORT_DIPSETTING(   0x0, DEF_STR( Off ) )
	PORT_DIPSETTING(   0x1, "2bpl"  )
	PORT_DIPSETTING(   0x2, "4bpl"  )
	PORT_DIPSETTING(   0x3, "8bpl"  )
	PORT_DIPNAME( 0xc, 0x0, "Browse maps" )
	PORT_DIPSETTING(   0x0, DEF_STR( Off ) )
	PORT_DIPSETTING(   0x4, "2bpl"  )
	PORT_DIPSETTING(   0x8, "4bpl"  )
	PORT_DIPSETTING(   0xc, "8bpl"  )

	PORT_START	/* IN 10 : debug switches */
	PORT_BIT( 0x1, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Toggle BG 1") PORT_PLAYER(2)
	PORT_BIT( 0x2, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("Toggle BG 2") PORT_PLAYER(2)
	PORT_BIT( 0x4, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_NAME("Toggle BG 3") PORT_PLAYER(2)
	PORT_BIT( 0x8, IP_ACTIVE_HIGH, IPT_BUTTON10 ) PORT_NAME("Toggle BG 4") PORT_PLAYER(2)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Toggle Objects") PORT_PLAYER(3)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("Toggle Main/Sub") PORT_PLAYER(3)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_NAME("Toggle Back col") PORT_PLAYER(3)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON10 ) PORT_NAME("Toggle Windows") PORT_PLAYER(3)

	PORT_START	/* IN 11 : debug input */
	PORT_BIT( 0x1, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_NAME("Pal prev")
	PORT_BIT( 0x2, IP_ACTIVE_HIGH, IPT_BUTTON10 ) PORT_NAME("Pal next")
	PORT_BIT( 0x4, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Toggle Transparency") PORT_PLAYER(4)
#endif

	PORT_START	/* IN 12 : dip-switches */

	PORT_START	/* IN 13 : coins */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )

INPUT_PORTS_END

static struct CustomSound_interface snes_sound_interface =
{ snes_sh_start };

static GFXDECODE_START( kinstb )
GFXDECODE_END

static PALETTE_INIT( snes )
{
	int i;

	for( i = 0; i < 32768; i++ )
		palette_set_color_rgb( machine, i, pal5bit(i >> 0), pal5bit(i >> 5), pal5bit(i >> 10) );

	/* The colortable can be black */
	for( i = 0; i < 256; i++ )
		colortable[i] = 0;
}

static MACHINE_DRIVER_START( kinstb )
	/* basic machine hardware */
	MDRV_CPU_ADD_TAG("main", G65816, 3580000)	/* 2.68Mhz, also 3.58Mhz */
	MDRV_CPU_PROGRAM_MAP(kinstb_map, 0)

	MDRV_CPU_ADD_TAG("sound", SPC700, 2048000/2)	/* 2.048 Mhz, but internal divider */
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(spc_mem, 0)
	MDRV_CPU_VBLANK_INT(NULL, 0)

	MDRV_INTERLEAVE(400)

	MDRV_MACHINE_START( snes )
	MDRV_MACHINE_RESET( snes )

	/* video hardware */
	MDRV_VIDEO_START( generic_bitmapped )
	MDRV_VIDEO_UPDATE( snes )

	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_GFXDECODE(kinstb)
	MDRV_PALETTE_LENGTH(32768)
	MDRV_COLORTABLE_LENGTH(257)
	MDRV_PALETTE_INIT( snes )

	MDRV_SCREEN_ADD("main", 0)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_RAW_PARAMS(DOTCLK_NTSC, SNES_HTOTAL, 0, SNES_SCR_WIDTH, SNES_VTOTAL_NTSC, 0, SNES_SCR_HEIGHT_NTSC)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_STEREO("left", "right")

	MDRV_SOUND_ADD(CUSTOM, 0)
	MDRV_SOUND_CONFIG(snes_sound_interface)
	MDRV_SOUND_ROUTE(0, "left", 1.00)
	MDRV_SOUND_ROUTE(1, "right", 1.00)
MACHINE_DRIVER_END

static DRIVER_INIT(kinstb)
{
	INT32 i;
	for(i=0;i<0x400000;i++)
	{
		memory_region(REGION_USER3)[i]=BITSWAP8(memory_region(REGION_USER3)[i],5,0,6,1,7,4,3,2 );
	}
	driver_init_snes_hirom(machine);
}

ROM_START( kinstb )
	ROM_REGION( 0x400000, REGION_USER3, ROMREGION_DISPOSE )
	ROM_LOAD( "1.u14", 0x000000, 0x100000, CRC(70889919) SHA1(1451714cbdacb7f6ced2bc7afa478ad7264cf3b7) )
	ROM_LOAD( "2.u15", 0x100000, 0x100000, CRC(e4a5d1da) SHA1(6ae566bd2f740a251d7a81b8ebb92a651cfaac8d) )
	ROM_LOAD( "3.u16", 0x200000, 0x100000, CRC(7a40f7dd) SHA1(cebe632e8d2d68d0619077cc1e931af73c9a723b) )
	ROM_LOAD( "4.u17", 0x300000, 0x100000, CRC(3d7564c1) SHA1(392b513991897668d5dd469ac84a34f785895774) )

	ROM_REGION(0x100,           REGION_USER5, 0)
	ROM_LOAD("spc700.rom", 0, 0x40, CRC(44bb3a40) SHA1(97e352553e94242ae823547cd853eecda55c20f0) )

	ROM_REGION(0x800,           REGION_USER6, ROMREGION_ERASEFF)

ROM_END

GAME( 199?, kinstb,       0,     kinstb,	     kinstb,    kinstb,		ROT0, "bootleg",	"Killer Instinct (SNES bootleg)", GAME_NOT_WORKING | GAME_IMPERFECT_SOUND )