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

Super Basketball memory map (preliminary)
(Hold down Start 1 & Start 2 keys to enter test mode on start up;
 use Start 1 to change modes)

MAIN BOARD:
2000-2fff RAM
3000-33ff Color RAM
3400-37ff Video RAM
3800-39ff Sprite RAM
6000-ffff ROM

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

#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/m6809/m6809.h"


extern unsigned char *sbasketb_scroll;
extern unsigned char *sbasketb_palettebank;
extern unsigned char *sbasketb_spriteram_select;
void sbasketb_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
void sbasketb_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void sbasketb_flipscreen_w(int offset,int data);

extern struct VLM5030interface konami_vlm5030_interface;
extern struct SN76496interface konami_sn76496_interface;
extern struct DACinterface konami_dac_interface;
void konami_SN76496_latch_w(int offset,int data);
void konami_SN76496_0_w(int offset,int data);
void hyperspt_sound_w(int offset, int data);
int  hyperspt_sh_timer_r(int offset);


void sbasketb_sh_irqtrigger_w(int offset,int data)
{
	cpu_cause_interrupt(1,0xff);
}


static struct MemoryReadAddress readmem[] =
{
	{ 0x2000, 0x3bff, MRA_RAM },
	{ 0x3c10, 0x3c10, MRA_NOP },    /* ???? */
	{ 0x3e00, 0x3e00, input_port_0_r },
	{ 0x3e01, 0x3e01, input_port_1_r },
	{ 0x3e02, 0x3e02, input_port_2_r },
	{ 0x3e03, 0x3e03, MRA_NOP },
	{ 0x3e80, 0x3e80, input_port_3_r },
	{ 0x3f00, 0x3f00, input_port_4_r },
	{ 0x6000, 0xffff, MRA_ROM },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress writemem[] =
{
	{ 0x2000, 0x2fff, MWA_RAM },
	{ 0x3000, 0x33ff, colorram_w, &colorram },
	{ 0x3400, 0x37ff, videoram_w, &videoram, &videoram_size },
	{ 0x3800, 0x39ff, MWA_RAM, &spriteram, &spriteram_size },
	{ 0x3a00, 0x3bff, MWA_RAM },           /* Probably unused, but initialized */
	{ 0x3c00, 0x3c00, watchdog_reset_w },
	{ 0x3c20, 0x3c20, MWA_RAM, &sbasketb_palettebank },
	{ 0x3c80, 0x3c80, sbasketb_flipscreen_w },
	{ 0x3c81, 0x3c81, interrupt_enable_w },
	{ 0x3c83, 0x3c84, coin_counter_w },
	{ 0x3c85, 0x3c85, MWA_RAM, &sbasketb_spriteram_select },
	{ 0x3d00, 0x3d00, soundlatch_w },
	{ 0x3d80, 0x3d80, sbasketb_sh_irqtrigger_w },
	{ 0x3f80, 0x3f80, MWA_RAM, &sbasketb_scroll },
	{ -1 }  /* end of table */
};

static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x0000, 0x1fff, MRA_ROM },
	{ 0x4000, 0x43ff, MRA_RAM },
	{ 0x6000, 0x6000, soundlatch_r },
	{ 0x8000, 0x8000, hyperspt_sh_timer_r },
	{ -1 }  /* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x4000, 0x43ff, MWA_RAM },
	{ 0xa000, 0xa000, VLM5030_data_w }, /* speech data */
	{ 0xc000, 0xdfff, hyperspt_sound_w },     /* speech and output controll */
	{ 0xe000, 0xe000, DAC_data_w },
	{ 0xe001, 0xe001, konami_SN76496_latch_w },  /* Loads the snd command into the snd latch */
	{ 0xe002, 0xe002, konami_SN76496_0_w },      /* This address triggers the SN chip to read the data port. */
	{ -1 }  /* end of table */
};



INPUT_PORTS_START( sbasketb )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* IN2 */
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_COCKTAIL  )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START	/* DSW0 */
	PORT_DIPNAME( 0x03, 0x00, "Game Time" )
	PORT_DIPSETTING(    0x03, "30" )
	PORT_DIPSETTING(    0x01, "40" )
	PORT_DIPSETTING(    0x02, "50" )
	PORT_DIPSETTING(    0x00, "60" )
	PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )
	PORT_DIPSETTING(    0x04, DEF_STR( Cocktail ) )
	PORT_DIPNAME( 0x08, 0x08, "Starting Score" )
	PORT_DIPSETTING(    0x08, "70-78" )
	PORT_DIPSETTING(    0x00, "100-115" )
	PORT_DIPNAME( 0x10, 0x00, "Ranking" )
	PORT_DIPSETTING(    0x00, "Data Remaining" )
	PORT_DIPSETTING(    0x10, "Data Initialized" )
	PORT_DIPNAME( 0x60, 0x60, DEF_STR( Difficulty ) )
	PORT_DIPSETTING(    0x60, "Easy" )
	PORT_DIPSETTING(    0x40, "Medium" )
	PORT_DIPSETTING(    0x20, "Hard" )
	PORT_DIPSETTING(    0x00, "Hardest" )
	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_START	/* DSW1 */
	PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
	PORT_DIPSETTING(    0x02, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x05, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x08, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x04, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x01, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0x0f, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x03, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x07, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0x0e, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x06, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0x0d, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0x0c, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0x0b, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0x0a, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x09, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
	PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
	PORT_DIPSETTING(    0x20, DEF_STR( 4C_1C ) )
	PORT_DIPSETTING(    0x50, DEF_STR( 3C_1C ) )
	PORT_DIPSETTING(    0x80, DEF_STR( 2C_1C ) )
	PORT_DIPSETTING(    0x40, DEF_STR( 3C_2C ) )
	PORT_DIPSETTING(    0x10, DEF_STR( 4C_3C ) )
	PORT_DIPSETTING(    0xf0, DEF_STR( 1C_1C ) )
	PORT_DIPSETTING(    0x30, DEF_STR( 3C_4C ) )
	PORT_DIPSETTING(    0x70, DEF_STR( 2C_3C ) )
	PORT_DIPSETTING(    0xe0, DEF_STR( 1C_2C ) )
	PORT_DIPSETTING(    0x60, DEF_STR( 2C_5C ) )
	PORT_DIPSETTING(    0xd0, DEF_STR( 1C_3C ) )
	PORT_DIPSETTING(    0xc0, DEF_STR( 1C_4C ) )
	PORT_DIPSETTING(    0xb0, DEF_STR( 1C_5C ) )
	PORT_DIPSETTING(    0xa0, DEF_STR( 1C_6C ) )
	PORT_DIPSETTING(    0x90, DEF_STR( 1C_7C ) )
	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
INPUT_PORTS_END




static struct GfxLayout charlayout =
{
	8,8,    /* 8*8 characters */
	512,    /* 512 characters */
	4,      /* 4 bits per pixel */
	{ 0, 1, 2, 3 }, /* the bitplanes are packed */
	{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
	{ 0*4*8, 1*4*8, 2*4*8, 3*4*8, 4*4*8, 5*4*8, 6*4*8, 7*4*8 },
	8*4*8     /* every char takes 32 consecutive bytes */
};

static struct GfxLayout spritelayout =
{
	16,16,  /* 16*16 sprites */
	128 * 3,/* 384 sprites */
	4,      /* 4 bits per pixel */
	{ 0, 1, 2, 3 },        /* the bitplanes are packed */
	{ 0*4, 1*4,  2*4,  3*4,  4*4,  5*4,  6*4,  7*4,
			8*4, 9*4, 10*4, 11*4, 12*4, 13*4, 14*4, 15*4 },
	{ 0*4*16, 1*4*16,  2*4*16,  3*4*16,  4*4*16,  5*4*16,  6*4*16,  7*4*16,
			8*4*16, 9*4*16, 10*4*16, 11*4*16, 12*4*16, 13*4*16, 14*4*16, 15*4*16 },
	32*4*8    /* every sprite takes 128 consecutive bytes */
};



static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ 1, 0x0000, &charlayout,       0, 16 },
	{ 1, 0x4000, &spritelayout, 16*16, 16*16 },
	{ -1 } /* end of array */
};


/* filenames for sample files */
static const char *sbasketb_sample_names[] =
{
	"00.wav","01.wav","02.wav","03.wav","04.wav","05.wav","06.wav","07.wav",
	"08.wav","09.wav","0a.wav","0b.wav","0c.wav","0d.wav","0e.wav","0f.wav",
	"10.wav","11.wav","12.wav","13.wav","14.wav","15.wav","16.wav","17.wav",
	"18.wav","19.wav","1a.wav","1b.wav","1c.wav","1d.wav","1e.wav","1f.wav",
	"20.wav","21.wav","22.wav","23.wav","24.wav","25.wav","26.wav","27.wav",
	"28.wav","29.wav","2a.wav","2b.wav","2c.wav","2d.wav","2e.wav","2f.wav",
	"30.wav","31.wav","32.wav","33.wav",
	0
};

struct VLM5030interface sbasketb_vlm5030_interface =
{
    3580000,    /* master clock  */
    255,        /* volume        */
    4,         /* memory region  */
    0,         /* memory size    */
    0,         /* VCU            */
	sbasketb_sample_names
};


static struct MachineDriver machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_M6809,
			1400000,        /* 1.400 Mhz ??? */
			0,
			readmem,writemem,0,0,
			interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			14318000/4,	/* 3.5795 Mhz */
			3,
			sound_readmem,sound_writemem,0,0,
			ignore_interrupt,1	/* interrupts are triggered by the main CPU */
		}
	},
	60, DEFAULT_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	0,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	256,16*16+16*16*16,
	sbasketb_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	generic_vh_start,
	generic_vh_stop,
	sbasketb_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_DAC,
			&konami_dac_interface
		},
		{
			SOUND_SN76496,
			&konami_sn76496_interface
		},
		{
			SOUND_VLM5030,
			&sbasketb_vlm5030_interface
		}
	}
};



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

  Game driver(s)

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

ROM_START( sbasketb )
	ROM_REGION(0x10000)     /* 64k for code */
	ROM_LOAD( "sbb_j13.bin",  0x6000, 0x2000, 0x263ec36b )
	ROM_LOAD( "sbb_j11.bin",  0x8000, 0x4000, 0x0a4d7a82 )
	ROM_LOAD( "sbb_j09.bin",  0xc000, 0x4000, 0x4f9dd9a0 )

	ROM_REGION_DISPOSE(0x10000)    /* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "sbb_e12.bin",  0x0000, 0x4000, 0xe02c54da )
	ROM_LOAD( "sbb_h06.bin",  0x4000, 0x4000, 0xcfbbff07 )
	ROM_LOAD( "sbb_h08.bin",  0x8000, 0x4000, 0xc75901b6 )
	ROM_LOAD( "sbb_h10.bin",  0xc000, 0x4000, 0x95bc5942 )

	ROM_REGIONX( 0x0500, REGION_PROMS )
	ROM_LOAD( "405e17",       0x0000, 0x0100, 0xb4c36d57 ) /* palette red component */
	ROM_LOAD( "405e16",       0x0100, 0x0100, 0x0b7b03b8 ) /* palette green component */
	ROM_LOAD( "405e18",       0x0200, 0x0100, 0x9e533bad ) /* palette blue component */
	ROM_LOAD( "405e20",       0x0300, 0x0100, 0x8ca6de2f ) /* character lookup table */
	ROM_LOAD( "405e19",       0x0400, 0x0100, 0xe0bc782f ) /* sprite lookup table */

	ROM_REGION(0x10000)     /* 64k for audio cpu */
	ROM_LOAD( "sbb_e13.bin",  0x0000, 0x2000, 0x1ec7458b )

	ROM_REGION(0x10000)     /* 64k for speech rom */
	ROM_LOAD( "sbb_e15.bin",  0x0000, 0x2000, 0x01bb5ce9 )
ROM_END


static int hiload(void)
{
	unsigned char *RAM = memory_region(Machine->drv->cpu[0].memory_region);


	/* check if the hi score table has already been initialized */
	if (memcmp(&RAM[0x2bb7],"\x15\x1e\x14",3) == 0)
	{
		void *f;


		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0x2b24],0x96);
			osd_fclose(f);
		}

		return 1;
	}
	else return 0;  /* we can't load the hi scores yet */
}

static void hisave(void)
{
	void *f;
	unsigned char *RAM = memory_region(Machine->drv->cpu[0].memory_region);


	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{
		osd_fwrite(f,&RAM[0x2b24],0x96);
		osd_fclose(f);
	}
}



struct GameDriver driver_sbasketb =
{
	__FILE__,
	0,
	"sbasketb",
	"Super Basketball",
	"1984",
	"Konami",
	"Zsolt Vasvari\nTim Linquist (color info)\nMarco Cassili\nTatsuyuki Satoh(speech sound)",
	0,
	&machine_driver,
	0,

	rom_sbasketb,
	0, 0,
	0,
	0,

	input_ports_sbasketb,

	0, 0, 0,
	ORIENTATION_ROTATE_90,

	hiload, hisave
};
