/*
Aristocrat MK6 hardware

  SH4 + PowerVR

GFX data looks 8bpp with external palette

Font is at 0x160000 onward in the BIOS set, in raw format
*/

#include "emu.h"
#include "cpu/sh4/sh4.h"


class aristmk6_state : public driver_device
{
public:
	aristmk6_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }

	UINT32 m_test_x,m_test_y,m_start_offs;
	UINT8 m_type;
};


VIDEO_START(aristmk6)
{
}

SCREEN_UPDATE_RGB32(aristmk6)
{
	aristmk6_state *state = screen.machine().driver_data<aristmk6_state>();

	int x,y,count;
	const UINT8 *blit_ram = screen.machine().region("maincpu")->base();

	if(screen.machine().input().code_pressed(KEYCODE_Z))
		state->m_test_x++;

	if(screen.machine().input().code_pressed(KEYCODE_X))
		state->m_test_x--;

	if(screen.machine().input().code_pressed(KEYCODE_A))
		state->m_test_y++;

	if(screen.machine().input().code_pressed(KEYCODE_S))
		state->m_test_y--;

	if(screen.machine().input().code_pressed(KEYCODE_Q))
		state->m_start_offs+=0x2000;

	if(screen.machine().input().code_pressed(KEYCODE_W))
		state->m_start_offs-=0x2000;

	if(screen.machine().input().code_pressed(KEYCODE_E))
		state->m_start_offs++;

	if(screen.machine().input().code_pressed(KEYCODE_R))
		state->m_start_offs--;

	if(screen.machine().input().code_pressed_once(KEYCODE_L))
		state->m_type^=1;

	popmessage("%d %d %04x %d",state->m_test_x,state->m_test_y,state->m_start_offs,state->m_type);

	bitmap.fill(get_black_pen(screen.machine()), cliprect);

	count = (state->m_start_offs);

	for(y=0;y<state->m_test_y;y++)
	{
		for(x=0;x<state->m_test_x;x++)
		{
			if(state->m_type)
			{
				UINT16 vram;
				int r,g,b;

				vram = blit_ram[count+0] | blit_ram[count+1]<<8;

				r = (vram & 0x001f)>>0;
				g = (vram & 0x07e0)>>5;
				b = (vram & 0xf800)>>11;

				r = (r << 3) | (r & 0x7);
				g = (g << 2) | (g & 3);
				b = (b << 3) | (b & 0x7);

				if(cliprect.contains(x, y))
					bitmap.pix32(y, x) = r | g<<8 | b<<16;

				count+=2;
			}
			else
			{
				UINT8 color;

				color = blit_ram[count];

				if(cliprect.contains(x, y))
					bitmap.pix32(y, x) = screen.machine().pens[color];

				count++;
			}
		}
	}

	return 0;
}

static READ64_HANDLER( test_r )
{
	// bit 1 read in various places, status for something ...
	return -1;
}

static ADDRESS_MAP_START( aristmk6_map, AS_PROGRAM, 64 )
	AM_RANGE(0x00000000, 0x003fffff) AM_ROM AM_REGION("maincpu", 0)
	AM_RANGE(0x0c000000, 0x0cffffff) AM_RAM // work ram
	AM_RANGE(0x13800000, 0x13800007) AM_READ(test_r)
ADDRESS_MAP_END

static ADDRESS_MAP_START( aristmk6_port, AS_IO, 64 )
ADDRESS_MAP_END


static INPUT_PORTS_START( aristmk6 )
INPUT_PORTS_END

// ?
#define ARISTMK6_CPU_CLOCK XTAL_200MHz
// ?
static const struct sh4_config sh4cpu_config = {  1,  0,  1,  0,  0,  0,  1,  1,  0, ARISTMK6_CPU_CLOCK };

static MACHINE_CONFIG_START( aristmk6, aristmk6_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu", SH4LE, ARISTMK6_CPU_CLOCK)
	MCFG_CPU_CONFIG(sh4cpu_config)
	MCFG_CPU_PROGRAM_MAP(aristmk6_map)
	MCFG_CPU_IO_MAP(aristmk6_port)
//  MCFG_DEVICE_DISABLE()

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_REFRESH_RATE(60)
	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))  /* not accurate */
	MCFG_SCREEN_SIZE(640, 480)
	MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
	MCFG_SCREEN_UPDATE_STATIC(aristmk6)

	MCFG_PALETTE_LENGTH(0x1000)

	MCFG_VIDEO_START(aristmk6)
MACHINE_CONFIG_END

ROM_START( aristmk6 )
	ROM_REGION( 0x0400000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("right.bin", 0x0000000, 0x0200000, CRC(bf21a975) SHA1(a251b1a7342387300689cd50fe4ce7975b903ac5) )
	ROM_LOAD32_WORD("left.bin",  0x0000002, 0x0200000, CRC(c02e14b0) SHA1(6bf98927813519dfe60e582dbe5be3ccd87f7c91) )
ROM_END

// note the 32-bit checksums listed don't appear to be CRC32s (or everything is badly dumped?)
// they apparently come from the eeprom programmer, the chips are marked with the game ID number instead

ROM_START( antcleo )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86 - 516be56e.bin", 0x0000000, 0x0400000, CRC(4897f4ed) SHA1(0a071528b0c2cb4c42d4535bed406849a6187d9d) )
	ROM_LOAD32_WORD("u73 - 3e37a4c6.bin", 0x0000002, 0x0400000, CRC(41b7d75d) SHA1(5c25e0bc65560b17b80c4430ae9d925a0f245e6c) )
	ROM_LOAD32_WORD("u85 - e9f4a69d.bin", 0x0800000, 0x0400000, CRC(909a5a6c) SHA1(abb86f82184f32fad578d5c3a6d034afaa78e3c3) )
	ROM_LOAD32_WORD("u72 - e98c941e.bin", 0x0800002, 0x0400000, CRC(121751b2) SHA1(caf5d7c2d3774575ef0a12146cbdd72d0a421c58) )
ROM_END

ROM_START( 50lions )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86 - 570ba079.bin", 0x0000000, 0x0400000, CRC(c3791531) SHA1(b9c60be9624463eb591f2baf421ff90b8763449b) )
	ROM_LOAD32_WORD("u73 - 35634c6d.bin", 0x0000002, 0x0400000, CRC(ec1b699b) SHA1(5a6ad7c7eb02443e42ee6a88525ae95a2b0a3195) )
ROM_END

ROM_START( 50lionsa )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("10120511.u86", 0x0000000, 0x0400000, CRC(0e5c86f1) SHA1(84e329e664ace697f9ea4ace08612089e0964732) )
	ROM_LOAD32_WORD("10120511.u73", 0x0000002, 0x0400000, CRC(1c1f2297) SHA1(13fb8c83d8ce2340ef554490c21a38da7b47c666) )
ROM_END

ROM_START( choysun )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86.bin", 0x0000000, 0x0400000, CRC(06f78c92) SHA1(e8bd3f18831dfb5c644321541fa9e75ae9e83688) )
	ROM_LOAD32_WORD("u73.bin", 0x0000002, 0x0400000, CRC(5b2468b6) SHA1(085aa44343f11fdf5ab7cc1ca56ddb0ba5cafc36) )
	ROM_LOAD32_WORD("u85.bin", 0x0800000, 0x0400000, CRC(6973dffd) SHA1(4350e0cdfeb9135e708f15bf2de325b8412c1434) )
	ROM_LOAD32_WORD("u72.bin", 0x0800002, 0x0400000 ,CRC(1c9a77d1) SHA1(ef31215be73b09531039fda1a2f3e875045180f3) )
ROM_END

ROM_START( cristals )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86 - (cdd5955b).bin", 0x0000000, 0x0400000, CRC(b046ea06) SHA1(0c0310bc0afb8bac630ac0570d5b9df6a992cfdb) )
	ROM_LOAD32_WORD("u73 - (b0d2564e).bin", 0x0000002, 0x0400000, CRC(b52cac8a) SHA1(65bb5d73933df6d53a079e4efe00ea29649e3201) )
ROM_END

ROM_START( indianmm )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("indianmm.u86", 0x0000000, 0x0400000, CRC(db13eaf5) SHA1(c2e743b72c2a280266d55642e40c3a7a740052db) )
	ROM_LOAD32_WORD("indianmm.u73", 0x0000002, 0x0400000, CRC(a5e3dca5) SHA1(e585841064dc98398169bcd0cd04269bbcfaf77c) )
	ROM_LOAD32_WORD("indianmm.u85", 0x0800000, 0x0400000, CRC(988f10da) SHA1(9c21cb8ebebcd603b25329331de89e9aaa36368a) )
	ROM_LOAD32_WORD("indianmm.u72", 0x0800002, 0x0400000, CRC(efe15e58) SHA1(8ae7b1436664189a5d07f523d41611bca6d1936c) )
ROM_END

ROM_START( wheregld )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86.bin", 0x0000000, 0x0400000, CRC(d09fd746) SHA1(6c805f7c535a6c08a836b94c0351d498751ac9e9) )
	ROM_LOAD32_WORD("u73.bin", 0x0000002, 0x0400000, CRC(3007f8d1) SHA1(a76a227b8157d80b08e224807345a56da4c326fd) )
	ROM_LOAD32_WORD("u85.bin", 0x0800000, 0x0400000, CRC(fb8c24e7) SHA1(ffa62c59f1857dcd670c733397d20c50710d9a85) )
	ROM_LOAD32_WORD("u72.bin", 0x0800002, 0x0400000, CRC(9d0b5bdf) SHA1(0018c93df75b9a54f43d660a24e00dc801a68084) )
	ROM_LOAD32_WORD("u84.bin", 0x1000000, 0x0400000, CRC(be31366b) SHA1(a82fb5bd41079c6727a93115fa74af5fe44ba4a9) )
	ROM_LOAD32_WORD("u71.bin", 0x1000002, 0x0400000, CRC(6781f074) SHA1(d99a6b0a86317e7c8eb79d362338eb39b58aed54) )
ROM_END

ROM_START( whalecsh )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86.bin", 0x0000000, 0x0400000, CRC(11bcb378) SHA1(56de7fee7631c2e468a1f1845ff9d74db56051f0) )
	ROM_LOAD32_WORD("u73.bin", 0x0000002, 0x0400000, CRC(3b6d2292) SHA1(87e50f3ed6629c697cff59ec425b098704450993) )
	ROM_LOAD32_WORD("u85.bin", 0x0800000, 0x0400000, CRC(50afc633) SHA1(ee237d806044bbab3f17210e4e668a8f0961ad92) )
	ROM_LOAD32_WORD("u72.bin", 0x0800002, 0x0400000, CRC(e799e162) SHA1(aad5d6bff8afcb7f208326c4a663e8462d753f9f) )
ROM_END

ROM_START( wildways )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("u86 - (00257141).bin", 0x0000000, 0x0400000, CRC(2968765c) SHA1(ba2c67c4be4063d8506cc8127c31b4df2609650b) )
	ROM_LOAD32_WORD("u73 - (e7e29273).bin", 0x0000002, 0x0400000, CRC(a1e0d77e) SHA1(df4d45d8c4dcfdb1fae4b5d5a0adfa0464c61828) )
	ROM_LOAD32_WORD("u85 - (101d515b).bin", 0x0800000, 0x0400000, CRC(d87426d5) SHA1(ba755f8fc426dcd8abf4f6ccee423ae0504bf6fe) )
	ROM_LOAD32_WORD("u72 - (0f0e787b).bin", 0x0800002, 0x0400000, CRC(5f2c30d1) SHA1(dfc68903e8375597477acc2fc403dcd9b838ae6c) )
ROM_END

ROM_START( thaiprin )
	ROM_REGION( 0x1800000, "maincpu", ROMREGION_ERASEFF)
	ROM_LOAD32_WORD("thai princess (u86] -27v322.bin", 0x0000000, 0x0400000, CRC(3cb5124b) SHA1(70f6d66793c433054557da4c9f2f033bbb640bd6) )
	ROM_LOAD32_WORD("thai princess (u73] -27v322.bin", 0x0000002, 0x0400000, CRC(531f05ab) SHA1(929285de219c033bdee5f8011e9a0a07b344375e) )
	ROM_LOAD32_WORD("thai princess (u85) -27v322.bin", 0x0800000, 0x0400000, CRC(90c345e0) SHA1(1cf5b237eca68749a7baa147b9b15b3e139d7951) )
	ROM_LOAD32_WORD("thai princess (u72) -27v322.bin", 0x0800002, 0x0100000, BAD_DUMP CRC(613cea6b) SHA1(f04a3ee53074b7cd84879d752df5dbb80437475e) ) // wrong size?!
ROM_END


GAME( 200?, aristmk6,  0,          aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Aristocrat MK-6 Base (15011025)", GAME_NOT_WORKING | GAME_NO_SOUND | GAME_IS_BIOS_ROOT)
GAME( 200?, antcleo,   aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Antony and Cleopatra (10177211)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, 50lions,   aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "50 Lions (set 1, 10156111)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, 50lionsa,  50lions,    aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "50 Lions (set 2, 10120511)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, choysun,   aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Choy Sun Doa (20131511)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, cristals,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Cristal Springs (10155811)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, indianmm,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Indian Dreaming (10130711) (Maximillion$ Jackpot Version)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, wheregld,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Wheres The Gold (20177111)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, whalecsh,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Whales Of Cash (20155711)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, wildways,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Wild Ways (10130111)", GAME_NOT_WORKING | GAME_NO_SOUND )
GAME( 200?, thaiprin,  aristmk6,   aristmk6,    aristmk6,    0, ROT0, "Aristocrat", "Thai Princess (30127721)", GAME_NOT_WORKING | GAME_NO_SOUND )

/*
List of known MK6 games, excluding Hyperlink variations

5 Dragons
5 Koi - Power Pay           Same gameplay as 5 Dragons
50 Lions
100 Lions
African Dusk - Mr. Cashman      Black Rhino with a bonus feature
Alchemy                 Same gameplay as Mystic Mermaid
Amazing Money Machine
Antony and Cleopatra
Arabian Nights
Arctic Wins - Mr. Cashman
Arishinko
Asian Princess              Thai Princess with a bonus bet option
Atlantis
Aztec Gold - Lady Luck
Bachelorette Party
Ball Power Sports
Beaver Bucks
Big Ben
Big Red
Big Red 2
Black Brumby
Black Rhino - Power Pay
Brazil
Buccaneer
Buffalo
Cactus Corral               Same gameplay as Shaman's Magic
Canary Riches               Identical to Golden Canaries
Cash Carousel
Centurion
Cheeky Monkey               Same gameplay as Mystic Mermaid
Choy Sun Doa
Choy Sun Returns
Commander K
Corrida de Toros - The Bullfight
Creature Feature
Crystal Springs
Deep Freeze
Desert Gold
Diamond Eyes
Diamonds & Hearts - Power Pay
Dinosaur
Double Dolphins
Dragon Lord             Similar to Red Baron
Dream Catcher               Same gameplay as Asian Princess
Dream of the Red Chamber
Fan Dancer
Fire Dancer
Fortune of Athena
Fortune King                Same gameplay as 5 Dragons
Fortune Warrior
Geisha                  Geisha was only released on MK5 for NZ market as a one-off
Genghis Khan
Go For Green
Good Fortune
Golden Archer
Golden Canaries II - Lucky Devil
Golden Incas
Grizzly
Heart of Gold               Same gameplay as 50 Lions
Helen of Troy               Same gameplay as Peacock Flutter
Hollywood Dreams
Hot Cash
House of Hearts             Same gameplay as Buccaneer
Inca Chief
Indian Dreaming - Lady Luck
Indian Princess
Island Delight
Jailbird - Mr. Cashman
Kakadu Dreaming
Kenyan Gold             Similar to Show Me The Money
King Neptune
King of Asia                Identical to Choy Sun Doa
King of the Nile
Kirin Warriors
Knight's Challenge          Similar to Queen of the Nile, added jackpot bonus
L.A. Gator              Same gameplay as 50 Lions
Ladies Day              Similar to Spring Carnival
Lady of Fortune
Let's Go Fish'n
Line King               Similar to 50 Lions
Louie's Gold - Mr. Cashman      Loco Loot with a bonus feature
Love Stuck              Same gameplay as Sun Queen
Lucky 88
Luigi's Ball
Macaw Magic             Same gameplay as King Galah
Margarita Rose
Miss Kitty              Same gameplay as Pelican Pete
Moon Festival
Moonlight Waltz
More Chilli
Mr Woo                  Similar to Zorro
Mr Woo Moonlight Market
Mystic Chief
Mystic Eyes - Mr. Cashman       Enchanted Forest with a bonus feature
Mystic Forest
Mystic Mermaid
Mystic Power                Same gameplay as Indian Dreaming
Nerds Gone Wild
Orchid Magic
Oriental Beauty
Outback Jack
Owl Capone
Paris Lights
Peacock Magic
Pelican Pete
Phoenix Fantasy             Same gameplay as Tiki Torch
Pirates
Player's Choice By Demand       Player's Choice is a series of 4-in-1 multi-game machines
Player's Choice Platinum
Player's Choice Super
Pompeii                 Same gameplay as Indian Dreaming
Pride of Africa             Same gameplay as Indian Dreaming
Prophecy
Queen of Atlantis           Identical to Atlantis
Queen of Sheba              Same gameplay as King of the Nile
Queen of the Nile Special Edition   Altered gameplay to original QOTN, more games won with 4 or 5 pyramids
Rapid Riches
Red Baron
Reelin' N Boppin'
Roamin' Italy
Roll Up! Roll Up!!          Same gameplay as Spring Carnival
Ruby Magic              Same gameplay as Wild Ways
Scatter Magic II
Seal the Deal               Same gameplay as Helen of Troy
Shaman's Magic
Show Me The Money           Same gameplay as Money Tree
Silk Road
Silver & Gold               Identical to Sun & Moon
Sky Dancer
Snap Shot
Spring Carnival
Spring Festival
Star Drifter                Same gameplay as 50 Lions
Sun & Moon
Sun Chief
Sun King
Sun Queen
Super Bucks IV
Super Bucks V
Sweet Hearts II - Lucky Devil
Tahiti Magic
Tequila Sunrise - Mr. Cashman
Thai Princess
The Magician                Same gameplay as Lady of Fortune
The Game With No Name!
The Golden Gong             Same gameplay as Big Ben
Tigress
Tiki Talk
Tiki Torch
Timber Wolf
Torch of the Gods           Identical to Adonis
Turtle Treasure
Viking Riches
Water Margin
Whale of a Time             Identical to Whales of Cash
Whales of Cash
Where's The Gold
White Tiger II - Lucky Devil
Wicked Winnings - Lady Luck
Wicked Winnings II - Power Pay
Wild Cats               Same gameplay as Wild Waratah
Wild Cougar - Power Pay         Same gameplay as Black Rhino - Power Pay
Wild Goose
Wild Gorilla - Power Pay
Wild Hearts             Similar to Sun Chief
Wild Panda
Wild Stallion
Wild Tepee - Power Pay          Similar to Indian Dreaming
Wild Waratah
Wild Ways
Wings over Olympus
You Might Be A Redneck If...
Zorro
Zorro & Lady Rawhide - Zorro Link
Zorro II - Zorro Link
Zorro Returns - Zorro Link
Zorro Unmasked - Zorro Link

Additionally, many games on earlier (e.g. MK5) hardware were re-released on MK6, featuring new MK6 style graphics, sounds etc.
Confirmed 'older' games running on MK6 listed below; these games were also on MK5, and some even on MK4:

Adonis
Black Panther               Only seen in a multi-game system, 'Player's Choice By Demand'
Desert Bloom                Same gameplay as Sweet Hearts II
Dolphin Treasure
Enchantress
Flame of Olympus            Identical to Adonis
Golden Pyramids             Identical to Queen of the Nile
Inca Sun                Cabinet photo noted, MK6 version never seen in the wild yet
Indian Dreaming             Two formats exist, Reel Power (243 Ways) and Multi-line (usually 20 lines). Both game types play differenly but feature identicla graphics.
Koala Mint
Money Tree
Panther Magic
Prize Fight II              Only seen in a multi-game system, 'Player's Choice By Demand' - MK5 version was simply called 'Prize Fight'
Queen of the Nile
Return of the Samurai
Super Bucks III             Only seen in a multi-game system, 'Player's Choice By Demand'
Sweet Hearts II
Venetian Nights             MK5 version is possibly rare
Wicked Winnings             Only seen a Cash Express Hyperlink version so far
*/
