/*
Dynamic Dice (??)

Driver by
    Tomasz Slanina
    Pierpaolo Prazzoli
--
Old, rusty, not working pcb :


Main PCB :

m5l8080ap (8080)

dy_1.bin (1H)
dy_2.bin (1L)
dy_3.bin (1P)

dip 6x  (all off)

xtal 18.432 mhz

--
Sub PCB  DYNA-529-81ST :

AY-3-8910
Z80

dy_4.bin
dy_5.bin
dy_6.bin (near Z80)
*/

#include "driver.h"
#include "vidhrdw/generic.h"
#include "sound/ay8910.h"

static struct tilemap *bg_tilemap,*top_tilemap;
static int ay_data;

WRITE8_HANDLER( dynadice_videoram_w )
{
	if( videoram[offset] != data )
	{
		videoram[offset] = data;
		tilemap_mark_tile_dirty(bg_tilemap, offset);
		tilemap_mark_all_tiles_dirty(top_tilemap);
	}
}

static WRITE8_HANDLER( sound_data_w )
{
	ay_data = data;
}

static WRITE8_HANDLER( sound_control_w )
{
/*
    AY 3-8910 :

    D0 - BC1
    D1 - BC2
    D2 - BDIR
    D3 - /Reset

*/
	if ((data &7)==7) AY8910_control_port_0_w(0,ay_data);
	if ((data &7)==6) AY8910_write_port_0_w(0,ay_data);
}


static ADDRESS_MAP_START( dynadice_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x1fff) AM_ROM
	AM_RANGE(0x2000, 0x23ff) AM_WRITE(dynadice_videoram_w) AM_READ(videoram_r) AM_BASE(&videoram)
	AM_RANGE(0x4000, 0x40ff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size)
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_io_map, ADDRESS_SPACE_IO, 8 )
	AM_RANGE(0x50, 0x50) AM_READ(input_port_0_r)
	AM_RANGE(0x51, 0x51) AM_READ(input_port_1_r)
	AM_RANGE(0x52, 0x52) AM_READ(input_port_2_r)
	AM_RANGE(0x62, 0x62) AM_WRITE(MWA8_NOP)
	AM_RANGE(0x63, 0x63) AM_WRITE(soundlatch_w)
	AM_RANGE(0x70, 0x77) AM_WRITE(MWA8_NOP)
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_sound_map, ADDRESS_SPACE_PROGRAM, 8 )
	AM_RANGE(0x0000, 0x07ff) AM_ROM
	AM_RANGE(0x2000, 0x23ff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( dynadice_sound_io_map, ADDRESS_SPACE_IO, 8 )
	ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
	AM_RANGE(0x00, 0x00) AM_READ(soundlatch_r)
	AM_RANGE(0x01, 0x01) AM_WRITE(soundlatch_clear_w)
	AM_RANGE(0x02, 0x02) AM_WRITE(sound_data_w)
	AM_RANGE(0x03, 0x03) AM_WRITE(sound_control_w)
ADDRESS_MAP_END

INPUT_PORTS_START( dynadice )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
	PORT_DIPNAME( 0x02, 0x02, "Initialize NVRAM" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

	PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) /* increase number of coins */
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* decrease number of coins */
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )  /* start /stop */

	PORT_START
	PORT_DIPNAME( 0x1c, 0x1c, DEF_STR( Coinage ) )
	PORT_DIPSETTING(    0x00, DEF_STR( 5C_1C ))
	PORT_DIPSETTING(    0x04, DEF_STR( 4C_1C ))
	PORT_DIPSETTING(    0x08, DEF_STR( 3C_1C ))
	PORT_DIPSETTING(    0x0c, DEF_STR( 2C_1C ))
	PORT_DIPSETTING(    0x1c, DEF_STR( 1C_1C ))
	PORT_DIPSETTING(    0x18, DEF_STR( 1C_2C ))
	PORT_DIPSETTING(    0x14, DEF_STR( 1C_3C ))
	PORT_DIPSETTING(    0x10, DEF_STR( 1C_4C ))

	PORT_DIPNAME( 0x01, 0x01, "DSW 1-0" )
	PORT_DIPSETTING(    0x01, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x02, 0x02, "DSW 1-1" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, "DSW 1-5" )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, "DSW 1-6" )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, "DSW 1-7" )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )

INPUT_PORTS_END

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

static struct GfxLayout charlayout2 =
{
	8,8,
	RGN_FRAC(1,1),
	3,
	{ 5,6,7 },
	{ 0, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	{ 0*8*8, 1*8*8, 2*8*8, 3*8*8, 4*8*8, 5*8*8, 6*8*8, 7*8*8 },
	8*8*8
};


static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ REGION_GFX1, 0, &charlayout,   0, 1 }, /* 1bpp */
	{ REGION_GFX2, 0, &charlayout2,  0, 1 }, /* 3bpp */
	{ -1 }
};

static void get_tile_info(int tile_index)
{
	int code=videoram[tile_index];
	SET_TILE_INFO(1, code, 0, 0)
}

VIDEO_START( dynadice )
{
	/* pacman - style videoram layout */
	bg_tilemap = tilemap_create(get_tile_info,tilemap_scan_rows,TILEMAP_OPAQUE,8,8,32,32);
	top_tilemap = tilemap_create(get_tile_info,tilemap_scan_cols,TILEMAP_OPAQUE,8,8,2,32);
	tilemap_set_scrollx(bg_tilemap, 0, -16 );
	return 0;
}

VIDEO_UPDATE( dynadice )
{
	struct rectangle myclip=*cliprect;
	myclip.max_x=15;
	tilemap_draw(bitmap,cliprect,bg_tilemap,0,0);
	tilemap_draw(bitmap,&myclip,top_tilemap,0,0);
}

PALETTE_INIT( dynadice )
{
	int i;
	for(i=0;i<8;i++)
		palette_set_color(i,(i&2)?255:0,(i&4)?255:0,(i&1)?255:0);
}

static MACHINE_DRIVER_START( dynadice )
	MDRV_CPU_ADD(8080,18432000/8)
	MDRV_CPU_PROGRAM_MAP(dynadice_map,0)
	MDRV_CPU_IO_MAP(dynadice_io_map,0)

	MDRV_CPU_ADD(Z80,18432000/6)
	/* audio CPU */
	MDRV_CPU_PROGRAM_MAP(dynadice_sound_map,0)
	MDRV_CPU_IO_MAP(dynadice_sound_io_map,0)

	MDRV_FRAMES_PER_SECOND(60)
	MDRV_VBLANK_DURATION(DEFAULT_60HZ_VBLANK_DURATION)

	MDRV_NVRAM_HANDLER(generic_0fill)

	/* video hardware */
	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER )
	MDRV_SCREEN_SIZE(256+16, 256)
	MDRV_VISIBLE_AREA(0*8, 34*8-1, 3*8, 28*8-1)

	MDRV_GFXDECODE(gfxdecodeinfo)
	MDRV_PALETTE_LENGTH(8)
	MDRV_PALETTE_INIT(dynadice)

	MDRV_VIDEO_START(dynadice)
	MDRV_VIDEO_UPDATE(dynadice)

	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(AY8910, 2000000)
	MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_DRIVER_END

ROM_START( dynadice )
	ROM_REGION( 0x10000, REGION_CPU1, 0 )
	ROM_LOAD( "dy_1.bin",     0x0000, 0x1000, CRC(4ad18724) SHA1(78151b02a727f4272eff72765883df9ca09606c3) )
	ROM_LOAD( "dy_2.bin",     0x1000, 0x0800, CRC(82cb1873) SHA1(661f33af4a536b7929d432d755ab44f9280f82db) )
	ROM_LOAD( "dy_3.bin",     0x1800, 0x0800, CRC(a8edad20) SHA1(b812141f216355c986047969326bd1e036be71e6) )

	ROM_REGION( 0x10000, REGION_CPU2, 0 )
	ROM_LOAD( "dy_6.bin",     0x0000, 0x0800, CRC(d4e6e6a3) SHA1(84c0fcfd8326a4301accbd192df6e372b98ae537) )

	ROM_REGION( 0x0800, REGION_GFX1, 0 )
	ROM_LOAD( "dy_4.bin",     0x0000, 0x0800, CRC(306b851b) SHA1(bf69ed126d32b31e1711ff23c5a75b8a8bd28207) )

	ROM_REGION( 0x0800*8, REGION_GFX2, 0 )
	/* gfx data will be rearranged here for 8x8 3bpp tiles */

	ROM_REGION( 0x0800, REGION_USER1,0 )
	ROM_LOAD( "dy_5.bin",     0x0000, 0x0800, CRC(e4799462) SHA1(5cd0f003572540522d72706bc5a8fa6588553031) )
ROM_END

static DRIVER_INIT( dynadice )
{
	int i,j;
	memory_region(REGION_CPU2)[0x0b]=0x23;	/* bug in game code  Dec HL -> Inc HL*/

	/* 1bpp tiles -> 3bpp tiles (dy_5.bin  contains bg/fg color data for each tile line) */
	for(i=0;i<0x800;i++)
		for(j=0;j<8;j++)
			memory_region(REGION_GFX2)[(i<<3)+j]=(memory_region(REGION_GFX1)[i]&(0x80>>j))?(memory_region(REGION_USER1)[i]&7):(memory_region(REGION_USER1)[i]>>4);

}

GAME( 19??, dynadice, 0, dynadice, dynadice, dynadice, ROT90, "<unknown>", "Dynamic Dice" )
