// FB Alpha Batrider driver module
// Driver and emulation by Jan Klaassen

#include "toaplan.h"
#include "nmk112.h"
// Batrider

static UINT8 drvButton[8] = {0, 0, 0, 0, 0, 0, 0, 0};
static UINT8 drvJoy1[8] = {0, 0, 0, 0, 0, 0, 0, 0};
static UINT8 drvJoy2[8] = {0, 0, 0, 0, 0, 0, 0, 0};
static UINT8 drvInput[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static UINT8 drvRegion = 0;
static UINT8 drvReset = 0;
static UINT8 bDrawScreen;

static UINT8 nIRQPending;
static bool bVBlank;

static INT32 nData;

static INT32 nCurrentBank;
static INT32 nTextROMStatus;

static void Map68KTextROM(bool bMapTextROM);

static struct BurnInputInfo batriderInputList[] = {
	{"P1 Coin",		BIT_DIGITAL,	drvButton + 3,	"p1 coin"},
	{"P1 Start",	BIT_DIGITAL,	drvButton + 5,	"p1 start"},

	{"P1 Up",		BIT_DIGITAL,	drvJoy1 + 0,	"p1 up"},
	{"P1 Down",		BIT_DIGITAL,	drvJoy1 + 1,	"p1 down"},
	{"P1 Left",		BIT_DIGITAL,	drvJoy1 + 2,	"p1 left"},
	{"P1 Right",	BIT_DIGITAL,	drvJoy1 + 3,	"p1 right"},
	{"P1 Shoot 1",	BIT_DIGITAL,	drvJoy1 + 4,	"p1 fire 1"},
	{"P1 Shoot 2",	BIT_DIGITAL,	drvJoy1 + 5,	"p1 fire 2"},
	{"P1 Shoot 3",	BIT_DIGITAL,	drvJoy1 + 6,	"p1 fire 3"},

	{"P2 Coin",		BIT_DIGITAL,	drvButton + 4,	"p2 coin"},
	{"P2 Start",	BIT_DIGITAL,	drvButton + 6,	"p2 start"},

	{"P2 Up",		BIT_DIGITAL,	drvJoy2 + 0,	"p2 up"},
	{"P2 Down",		BIT_DIGITAL,	drvJoy2 + 1,	"p2 down"},
	{"P2 Left",		BIT_DIGITAL,	drvJoy2 + 2,	"p2 left"},
	{"P2 Right",	BIT_DIGITAL,	drvJoy2 + 3,	"p2 right"},
	{"P2 Shoot 1",	BIT_DIGITAL,	drvJoy2 + 4,	"p2 fire 1"},
	{"P2 Shoot 2",	BIT_DIGITAL,	drvJoy2 + 5,	"p2 fire 2"},
	{"P2 Shoot 3",	BIT_DIGITAL,	drvJoy2 + 6,	"p2 fire 3"},

	{"Reset",		BIT_DIGITAL,	  &drvReset,		"reset"},
	{"Test",	  BIT_DIGITAL,	 drvButton + 2,	"diag"},
	{"Service",	BIT_DIGITAL,	 drvButton + 0,	"service"},
	{"Dip 1",		BIT_DIPSWITCH,	drvInput + 3,	"dip"},
	{"Dip 2",		BIT_DIPSWITCH,	drvInput + 4,	"dip"},
	{"Dip 3",		BIT_DIPSWITCH,	drvInput + 5,	"dip"},
	{"Region",  BIT_DIPSWITCH,	&drvRegion  ,	"dip"},
};

STDINPUTINFO(batrider)


static struct BurnDIPInfo batriderDIPList[] = {
	// Defaults
	{0x15,	0xFF,  0xFF,	0x00,	  NULL},
	{0x16,	0xFF,  0xFF,	0x00,	  NULL},
	{0x17,	0xFF,  0xFF,	0x00,	  NULL},

	// DIP 1
	{0,		0xFE, 0,	2,	  "Test mode"},
	{0x15,	0x01, 0x01,	0x00, "Normal"},
	{0x15,	0x01, 0x01,	0x01, "Test"},
	// Normal
	{0,		0xFE, 0,	2,	  "Starting coin"},
	{0x15,	0x82, 0x02,	0x00, "1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0x02,	0x02, "2 credits"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	// Free play
	{0,		0xFE, 0,	2,	  "Stick mode"},
	{0x15,	0x02, 0x02,	0x00, "Normal"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x02, 0x02,	0x02, "Special"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	// Both
	{0,		0xFE, 0,	8,	  "Coin 1"},
	{0x15,	0x01, 0x1C, 0x00, "1 coin 1 credit"},
	{0x15,	0x01, 0x1C, 0x04, "1 coin 2 credits"},
	{0x15,	0x01, 0x1C, 0x08, "1 coin 3 credits"},
	{0x15,	0x01, 0x1C, 0x0C, "1 coin 4 credits"},
	{0x15,	0x01, 0x1C, 0x10, "2 coins 1 credit"},
	{0x15,	0x01, 0x1C, 0x14, "3 coins 1 credit"},
	{0x15,	0x01, 0x1C, 0x18, "4 coins 1 credit"},
	{0x15,	0x01, 0x1C, 0x1C, "Free Play"},
	// 0x1C: Free play settings active
	// Normal
	{0,		0xFE, 0,	7,	  "Coin 2"},
	{0x15,	0x82, 0xE0,	0x00, "1 coin 1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0x20, "1 coin 2 credits"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0x40, "1 coin 3 credits"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0x60, "1 coin 4 credits"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0x80, "2 coins 1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0xA0, "3 coins 1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0xC0, "4 coins 1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x82, 0xE0,	0xE0, "1 coin 1 credit"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	// Free play
	{0,		0xFE, 0,	2,	  "Hit score"},
	{0x15,	0x02, 0x20, 0x00, "Off"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x02, 0x20, 0x20, "On"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0,		0xFE, 0,	2,	  "Sound effect"},
	{0x15,	0x02, 0x40,	0x00, "Off"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x02, 0x40,	0x40, "On"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0,		0xFE, 0,	2,	  "Music"},
	{0x15,	0x02, 0x80,	0x00, "Off"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x15,	0x02, 0x80,	0x80, "On"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},

	// DIP 2
	{0,		0xFE, 0,	4,	  "Start rank"},
	{0x16,	0x01, 0x03, 0x00, "Normal"},
	{0x16,	0x01, 0x03, 0x01, "Easy"},
	{0x16,	0x01, 0x03, 0x02, "Hard"},
	{0x16,	0x01, 0x03, 0x03, "Very hard"},
	{0,		0xFE, 0,	4,	  "Timer rank"},
	{0x16,	0x01, 0x0C, 0x00, "Normal"},
	{0x16,	0x01, 0x0C, 0x04, "Low"},
	{0x16,	0x01, 0x0C, 0x08, "High"},
	{0x16,	0x01, 0x0C, 0x0C, "Highest"},
	{0,		0xFE, 0,	4,	  "Player counts"},
	{0x16,	0x01, 0x30, 0x00, "3"},
	{0x16,	0x01, 0x30, 0x10, "4"},
	{0x16,	0x01, 0x30, 0x20, "2"},
	{0x16,	0x01, 0x30, 0x30, "1"},
	{0,		0xFE, 0,	4,	  "Extra player"},
	{0x16,	0x01, 0xC0, 0x00, "1500000 each"},
	{0x16,	0x01, 0xC0, 0x40, "1000000 each"},
	{0x16,	0x01, 0xC0, 0x80, "2000000 each"},
	{0x16,	0x01, 0xC0, 0xC0, "No extra player"},

	// DIP 3
	{0,		0xFE, 0,	2,	  "Screen flip"},
	{0x17,	0x01, 0x01, 0x00, "Off"},
	{0x17,	0x01, 0x01, 0x01, "On"},
	{0,		0xFE, 0,	2,	  "Demo sound"},
	{0x17,	0x01, 0x02, 0x00, "On"},
	{0x17,	0x01, 0x02, 0x02, "Off"},
	{0,		0xFE, 0,	2,	  "Stage edit"},
	{0x17,	0x01, 0x04, 0x00, "Disable"},
	{0x17,	0x01, 0x04, 0x04, "Enable"},
	{0,		0xFE, 0,	2,	  "Continue play"},
	{0x17,	0x01, 0x08, 0x00, "Enable"},
	{0x17,	0x01, 0x08, 0x08, "Disable"},
	{0,		0xFE, 0,	2,	  "Invincible"},
	{0x17,	0x01, 0x10, 0x00, "Off"},
	{0x17,	0x01, 0x10, 0x10, "On"},
	// Free play
	{0,		0xFE, 0,	2,	  "Guest Players"},
	{0x17,	0x02, 0x20, 0x20, "Disable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x17,	0x02, 0x20, 0x00, "Enable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0,		0xFE, 0,	2,	  "Player select"},
	{0x17,	0x02, 0x40, 0x40, "Disable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x17,	0x02, 0x40, 0x00, "Enable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0,		0xFE, 0,	2,	  "Special Course"},
	{0x17,	0x02, 0x80, 0x80, "Disable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},
	{0x17,	0x02, 0x80, 0x00, "Enable"},
	{0x15,	0x00, 0x1C, 0x1C, NULL},

	// Region
	{0,		0xFD, 0,	26,	  "Region"},
	{0x18,	0x01, 0x1F, 0x00, "Nippon"},
	{0x18,	0x01, 0x1F, 0x01, "U.S.A."},
	{0x18,	0x01, 0x1F, 0x02, "Europe"},
	{0x18,	0x01, 0x1F, 0x03, "Asia"},
	{0x18,	0x01, 0x1F, 0x04, "German"},
	{0x18,	0x01, 0x1F, 0x05, "Austria"},
	{0x18,	0x01, 0x1F, 0x06, "Belgium"},
	{0x18,	0x01, 0x1F, 0x07, "Denmark"},
	{0x18,	0x01, 0x1F, 0x08, "Finland"},
	{0x18,	0x01, 0x1F, 0x09, "France"},
	{0x18,	0x01, 0x1F, 0x0A, "Great Britain"},
	{0x18,	0x01, 0x1F, 0x0B, "Greece"},
	{0x18,	0x01, 0x1F, 0x0C, "Holland"},
	{0x18,	0x01, 0x1F, 0x0D, "Italy"},
	{0x18,	0x01, 0x1F, 0x0E, "Norway"},
	{0x18,	0x01, 0x1F, 0x0F, "Portugal"},
	{0x18,	0x01, 0x1F, 0x10, "Spain"},
	{0x18,	0x01, 0x1F, 0x11, "Sweden"},
	{0x18,	0x01, 0x1F, 0x12, "Switzerland"},
	{0x18,	0x01, 0x1F, 0x13, "Australia"},
	{0x18,	0x01, 0x1F, 0x14, "New Zealand"},
	{0x18,	0x01, 0x1F, 0x15, "Taiwan"},
	{0x18,	0x01, 0x1F, 0x16, "HongKong"},
	{0x18,	0x01, 0x1F, 0x17, "Korea"},
	{0x18,	0x01, 0x1F, 0x18, "China"},
	{0x18,	0x01, 0x1F, 0x19, "World"},
};

static struct BurnDIPInfo batriderRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x00,   NULL},
};

static struct BurnDIPInfo batridRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x02,   NULL},
};

static struct BurnDIPInfo batriduRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x01,   NULL},
};

static struct BurnDIPInfo batridcRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x18,   NULL},
};

static struct BurnDIPInfo batridhkRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x16,   NULL},
};

static struct BurnDIPInfo batridkRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x17,   NULL},
};

static struct BurnDIPInfo batridtaRegionDIPList[] = {
	// Defaults
	{0x18,	0xFF,  0xFF,	0x15,   NULL},
};

STDDIPINFOEXT(batrider, batriderRegion, batrider)
STDDIPINFOEXT(batrid, batridRegion, batrider)
STDDIPINFOEXT(batridu, batriduRegion, batrider)
STDDIPINFOEXT(batridc, batridcRegion, batrider)
STDDIPINFOEXT(batridk, batridkRegion, batrider)
STDDIPINFOEXT(batridhk, batridhkRegion, batrider)
STDDIPINFOEXT(batridta, batridtaRegion, batrider)

static UINT8 *Mem = NULL, *MemEnd = NULL;
static UINT8 *RamStart, *RamEnd;
static UINT8 *Rom01;
static UINT8 *Ram01, *Ram02, *RamPal;
UINT8 *RamShared;
static INT32 nColCount = 0x0800;

static INT32 MemIndex()
{
	UINT8 *Next; Next = Mem;
	Rom01		= Next; Next += 0x200000;			// 68000 ROM
	RomZ80		= Next; Next += 0x040000;			// Z80 ROM
	GP9001ROM[0]= Next; Next += nGP9001ROMSize[0];	// Tile data
	MSM6295ROM	= Next; Next += 0x200000;			// MSM6295 ADPCM data
	RamStart	= Next;
	ExtraTRAM	= Next; Next += 0x002000;			// Extra text layer
	Ram01		= Next; Next += 0x005000;			// RAM + Extra text layer scroll/offset
	ExtraTROM	= Next; Next += 0x008000;			// Extra text layer tile data
	Ram02		= Next; Next += 0x008000;			// CPU #0 work RAM
	RamPal		= Next; Next += 0x001000;			// Palette
	RamZ80		= Next; Next += 0x004000;			// Z80 RAM
	GP9001RAM[0]= Next; Next += 0x004000;
	GP9001Reg[0]= (UINT16*)Next; Next += 0x0100 * sizeof(UINT16);
	RamShared	= Next; Next += 0x000008;			// Shared data
	RamEnd		= Next;
	ToaPalette	= (UINT32*)Next; Next += nColCount * sizeof(UINT32);
	MemEnd		= Next;

 	ExtraTSelect= Ram01;							// Extra text layer scroll
	ExtraTScroll= Ram01 + 0x000200;					// Extra text layer offset

	return 0;
}

static void DrvZ80Sync()
{
	INT32 todo = ((SekTotalCycles() / 4) - nCyclesDone[1]);
	if (todo > 0) nCyclesDone[1] += ZetRun(todo);
}


static void drvZ80Bankswitch(INT32 nBank)
{
	nBank &= 0x0F;
	if (nBank != nCurrentBank) {
		UINT8* nStartAddress = RomZ80 + (nBank << 14);
		ZetMapArea(0x8000, 0xBFFF, 0, nStartAddress);
		ZetMapArea(0x8000, 0xBFFF, 2, nStartAddress);

		nCurrentBank = nBank;
	}
}

// Scan ram
static INT32 drvScan(INT32 nAction, INT32* pnMin)
{
	struct BurnArea ba;

	if (pnMin) {						// Return minimum compatible version
		*pnMin = 0x029496;
	}
	if (nAction & ACB_VOLATILE) {		// Scan volatile ram

		memset(&ba, 0, sizeof(ba));
		ba.Data		= RamStart;
		ba.nLen		= RamEnd - RamStart;
		ba.szName	= "RAM";
		BurnAcb(&ba);

		SekScan(nAction);				// Scan 68000
		ZetScan(nAction);				// Scan Z80
		SCAN_VAR(nCurrentBank);

		MSM6295Scan(nAction, pnMin);
		BurnYM2151Scan(nAction, pnMin);

		ToaScanGP9001(nAction, pnMin);

		SCAN_VAR(nIRQPending);
		SCAN_VAR(nTextROMStatus);

		SCAN_VAR(drvInput);

		if (nAction & ACB_WRITE) {
			INT32 n = nTextROMStatus;
			nTextROMStatus = -1;
			SekOpen(0);
			Map68KTextROM(n);
			SekClose();

			n = nCurrentBank;
			nCurrentBank = -1;
			ZetOpen(0);
			drvZ80Bankswitch(n);
			ZetClose();
		}
	}

	return 0;
}

static INT32 LoadRoms()
{
	// Load 68000 ROMs
	if (ToaLoadCode(Rom01, 0, 4)) {
		return 1;
	}

	// Load GP9001 tile data
	ToaLoadGP9001Tiles(GP9001ROM[0], 4, 4, nGP9001ROMSize[0]);

	// Load the Z80 ROM
	if (BurnLoadRom(RomZ80, 8, 1)) {
		return 1;
	}

	// Load MSM6295 ADPCM data
	BurnLoadRom(MSM6295ROM + 0x000000, 9, 1);
	BurnLoadRom(MSM6295ROM + 0x100000, 10, 1);

	return 0;
}

UINT8 __fastcall batriderZIn(UINT16 nAddress)
{
	nAddress &= 0xFF;

	switch (nAddress) {

		// The sound commands sent by the 68000 are read from these locations
		case 0x48:
			return RamShared[0];
		case 0x4A:
			return RamShared[1];

		case 0x81:
			return BurnYM2151Read();
		case 0x82:
			return MSM6295Read(0);
		case 0x84:
			return MSM6295Read(1);
	}

	return 0;
}

void __fastcall batriderZOut(UINT16 nAddress, UINT8 nValue)
{
	nAddress &= 0xFF;

	switch (nAddress) {

		// The 68000 expects to read back the sound command it sent
		case 0x40:
			RamShared[4] = nValue;
			break;
		case 0x42:
			RamShared[5] = nValue;
			break;

		case 0x44:								// ???
		case 0x46:								// Acknowledge interrupt
			break;

		case 0x80:
			BurnYM2151SelectRegister(nValue);
			break;
		case 0x81:
			BurnYM2151WriteRegister(nValue);
			break;

		case 0x82:
			MSM6295Write(0, nValue);
			break;
		case 0x84:
			MSM6295Write(1, nValue);
			break;

		case 0x88: {
			drvZ80Bankswitch(nValue);
			break;

		case 0xC0:
		case 0xC2:
		case 0xC4:
		case 0xC6:
			NMK112_okibank_write((nAddress & 6) + 0, nValue & 0xf);
			NMK112_okibank_write((nAddress & 6) + 1, nValue >> 4);
			break;
		}
	}
}

static INT32 drvZInit()
{
	// Init the Z80
	ZetInit(0);
	ZetOpen(0);

	ZetSetInHandler(batriderZIn);
	ZetSetOutHandler(batriderZOut);

	// ROM bank 1
	ZetMapArea(0x0000, 0x7FFF, 0, RomZ80 + 0x0000); // Direct Read from ROM
	ZetMapArea(0x0000, 0x7FFF, 2, RomZ80 + 0x0000); // Direct Fetch from ROM
	// ROM bank 2
	ZetMapArea(0x8000, 0xBFFF, 0, RomZ80 + 0x8000); // Direct Read from ROM
	ZetMapArea(0x8000, 0xBFFF, 2, RomZ80 + 0x8000); //
	// RAM
	ZetMapArea(0xC000, 0xDFFF, 0, RamZ80);			// Direct Read from RAM
	ZetMapArea(0xC000, 0xDFFF, 1, RamZ80);			// Direct Write to RAM
	ZetMapArea(0xC000, 0xDFFF, 2, RamZ80);			//

	ZetClose();

	nCurrentBank = 2;

	return 0;
}

UINT8 __fastcall batriderReadByte(UINT32 sekAddress)
{
	switch (sekAddress) {

		case 0x500000:								// Player 2 inputs
			return drvInput[1];
		case 0x500001:								// Player 1 inputs
			return drvInput[0];
		case 0x500002:								// Dipswitch 3
			return drvInput[5];
		case 0x500003:								// Other inputs
			return drvInput[2];
		case 0x500004:								// Dipswitch 2
			return drvInput[4];
		case 0x500005:								// Dipswitch 1
			return drvInput[3];

		default: {
//			printf("Attempt to read %06X (byte).\n", sekAddress);

			if ((sekAddress & 0x00F80000) == 0x00300000) {
				return RomZ80[(sekAddress & 0x7FFFF) >> 1];
			}
		}
	}

	return 0;
}

UINT16 __fastcall batriderReadWord(UINT32 sekAddress)
{
	switch (sekAddress) {
		case 0x500006:
			return ToaScanlineRegister();

		// These addresses contain the response of the Z80 to the sound commands
		case 0x500008:
			return RamShared[4];
		case 0x50000A:
			return RamShared[5];

		case 0x50000C:
			// This address echos the value written to 0x500060
			return nData;

		default: {
//			printf("Attempt to read %06X (word).\n", sekAddress);
		}
	}

	return 0;
}

void __fastcall batriderWriteByte(UINT32 sekAddress, UINT8)	// UINT8 byteValue
{
	switch (sekAddress) {

		case 0x500011:								// Coin control
			break;

//		default:
//			printf("Attempt to write %06X (byte) -> %04X.\n", sekAddress, byteValue);
	}
}

void __fastcall batriderWriteWord(UINT32 sekAddress, UINT16 wordValue)
{
	switch (sekAddress) {
		case 0x500020: {
			DrvZ80Sync();
			RamShared[0] = wordValue;

			// The 68K program normally writes 0x500020/0x500022 as a single longword,
			// except during the communications test.
			if (wordValue == 0x55) {
				ZetNmi();
			}
			break;
		}
		case 0x500022:
			DrvZ80Sync();
			RamShared[1] = wordValue;

			// Sound commands are processed by the Z80 using an NMI
			// So, trigger a Z80 NMI and execute it
			ZetNmi();
			break;

		case 0x500024:
			// Writes to this address only occur in situations where the program sets
			// 0x20FA19 (Ram02[0x7A18]) to 0xFF, and then sits in a loop waiting for it to become 0x00
			// Interrupt 4 does this (the same code is also conditionally called from interrupt 2)

			nIRQPending = 1;
			SekSetIRQLine(4, CPU_IRQSTATUS_ACK);
			break;

		case 0x500060:
			// Bit 0 of the value written to this location must be echod at 0x50000C
			nData = wordValue;
			break;

		case 0x500080:
			Map68KTextROM(false);
			break;

		case 0x500082:								// Acknowledge interrupt
			SekSetIRQLine(0, CPU_IRQSTATUS_NONE);
			nIRQPending = 0;
			break;

		case 0x5000C0:
		case 0x5000C1:
		case 0x5000C2:
		case 0x5000C3:
		case 0x5000C4:
		case 0x5000C5:
		case 0x5000C6:
		case 0x5000C7:
		case 0x5000C8:
		case 0x5000C9:
		case 0x5000CA:
		case 0x5000CB:
		case 0x5000CC:
		case 0x5000CD:
		case 0x5000CE:
			GP9001TileBank[(sekAddress & 0x0F) >> 1] = ((wordValue & 0x0F) << 15);
			break;

//		default:
//			printf("Attempt to write %06X (word) -> %04X.\n", sekAddress, wordValue);
	}
}

UINT16 __fastcall batriderReadWordGP9001(UINT32 sekAddress)
{
	switch (sekAddress) {
		case 0x400008:
			return ToaGP9001ReadRAM_Hi(0);
		case 0x40000A:
			return ToaGP9001ReadRAM_Lo(0);

	}

	return 0;
}

void __fastcall batriderWriteWordGP9001(UINT32 sekAddress, UINT16 wordValue)
{
	switch (sekAddress) {

		case 0x400000:
			ToaGP9001WriteRegister(wordValue);
			break;

		case 0x400004:
			ToaGP9001SelectRegister(wordValue);
			break;

		case 0x400008:
		case 0x40000A:
			ToaGP9001WriteRAM(wordValue, 0);
			break;

		case 0x40000C:								// Set GP9001 VRAM address-pointer
			ToaGP9001SetRAMPointer(wordValue);
			break;
	}
}

UINT8 __fastcall batriderReadByteZ80ROM(UINT32 sekAddress)
{
	return RomZ80[(sekAddress & 0x7FFFF) >> 1];
}

UINT16 __fastcall batriderReadWordZ80ROM(UINT32 sekAddress)
{
	return RomZ80[(sekAddress & 0x7FFFF) >> 1];
}

static void Map68KTextROM(bool bMapTextROM)
{
	if (bMapTextROM) {
		if (nTextROMStatus != 1) {
			SekMapMemory(ExtraTROM,	0x200000, 0x207FFF, MAP_RAM);	// Extra text tile memory

			nTextROMStatus = 1;
		}
	} else {
		if (nTextROMStatus != 0) {
			SekMapMemory(ExtraTRAM,	0x200000, 0x201FFF, MAP_RAM);	// Extra text tilemap RAM
			SekMapMemory(RamPal,	0x202000, 0x202FFF, MAP_RAM);	// Palette RAM
			SekMapMemory(Ram01,		0x203000, 0x207FFF, MAP_RAM);	// Extra text Scroll & offset; RAM

			nTextROMStatus = 0;
		}
	}
}

static INT32 drvDoReset()
{
	// Insert region code into 68K ROM, code by BisonSAS
	UINT8 nRegion = drvRegion & 0x1F;

	if (nRegion<=25) {
  		Rom01[0x00000^1]=(UINT8)(nRegion<<13) | (drvRegion & 0x1F);
  	}

	SekOpen(0);

	nIRQPending = 0;
	SekSetIRQLine(0, CPU_IRQSTATUS_NONE);

	Map68KTextROM(true);

	SekReset();
	SekClose();

	ZetOpen(0);
	ZetReset();
	ZetClose();

	MSM6295Reset();
	BurnYM2151Reset();
	NMK112Reset();

	HiscoreReset();

	return 0;
}

static INT32 drvInit()
{
	INT32 nLen;

#ifdef DRIVER_ROTATION
	bToaRotateScreen = true;
#endif

	nGP9001ROMSize[0] = 0x01000000;

	// Find out how much memory is needed
	Mem = NULL;
	MemIndex();
	nLen = MemEnd - (UINT8*)0;
	if ((Mem = (UINT8*)BurnMalloc(nLen)) == NULL) {
		return 1;
	}
	memset(Mem, 0, nLen);										// Zero memory
	MemIndex();													// Index the allocated memory

	if (LoadRoms()) {
		return 1;
	}

	{
		SekInit(0, 0x68000);									// Allocate 68000
		SekOpen(0);

		// Map 68000 memory:
		SekMapMemory(Rom01, 0x000000, 0x1FFFFF, MAP_ROM);		// CPU 0 ROM
		SekMapMemory(Ram02, 0x208000, 0x20FFFF, MAP_RAM);

		Map68KTextROM(true);

		SekSetReadWordHandler(0, batriderReadWord);
		SekSetReadByteHandler(0, batriderReadByte);
		SekSetWriteWordHandler(0, batriderWriteWord);
		SekSetWriteByteHandler(0, batriderWriteByte);

		SekMapHandler(1,	0x400000, 0x400400, MAP_RAM);		// GP9001 addresses

		SekSetReadWordHandler(1, batriderReadWordGP9001);
		SekSetWriteWordHandler(1, batriderWriteWordGP9001);

		SekMapHandler(2,	0x300000, 0x37FFFF, MAP_ROM);		// Z80 ROM

		SekSetReadByteHandler(2, batriderReadByteZ80ROM);
		SekSetReadWordHandler(2, batriderReadWordZ80ROM);

		SekClose();
	}

	nSpriteYOffset = 0x0001;

	nLayer0XOffset = -0x01D6;
	nLayer1XOffset = -0x01D8;
	nLayer2XOffset = -0x01DA;

	ToaInitGP9001();

	nExtraTXOffset = 0x2C;
	ToaExtraTextInit();

	drvZInit();				// Initialize Z80

	BurnYM2151Init(32000000 / 8);
	BurnYM2151SetAllRoutes(1.00, BURN_SND_ROUTE_BOTH);
	
	MSM6295Init(0, 32000000 / 10 / 132, 1);
	MSM6295Init(1, 32000000 / 10 / 165, 1);
	MSM6295SetRoute(0, 1.00, BURN_SND_ROUTE_BOTH);
	MSM6295SetRoute(1, 1.00, BURN_SND_ROUTE_BOTH);

	NMK112_init(0, MSM6295ROM, MSM6295ROM + 0x100000, 0x100000, 0x100000);

	nToaPalLen = nColCount;
	ToaPalSrc = RamPal;
	ToaPalInit();

	nTextROMStatus = -1;
	bDrawScreen = true;

	drvDoReset(); // Reset machine
	return 0;
}

static INT32 drvExit()
{
	MSM6295Exit();
	BurnYM2151Exit();

	ToaPalExit();
	ToaExitGP9001();
	ToaExtraTextExit();
	ToaZExit();				// Z80 exit
	SekExit();				// Deallocate 68000

	BurnFree(Mem);

	return 0;
}

static INT32 drvDraw()
{
	ToaClearScreen(0);

	if (bDrawScreen) {
		ToaGetBitmap();
		ToaRenderGP9001();					// Render GP9001 graphics
		ToaExtraTextLayer();				// Render extra text layer
	}

	ToaPalUpdate();							// Update the palette

	return 0;
}

static INT32 drvFrame()
{
	INT32 nInterleave = 8;

	if (drvReset) {														// Reset machine
		drvDoReset();
	}

	// Compile digital inputs
	drvInput[0] = 0x00;													// Buttons
	drvInput[1] = 0x00;													// Player 1
	drvInput[2] = 0x00;													// Player 2
	for (INT32 i = 0; i < 8; i++) {
		drvInput[0] |= (drvJoy1[i] & 1) << i;
		drvInput[1] |= (drvJoy2[i] & 1) << i;
		drvInput[2] |= (drvButton[i] & 1) << i;
	}
	ToaClearOpposites(&drvInput[0]);
	ToaClearOpposites(&drvInput[1]);

	SekNewFrame();

	nCyclesTotal[0] = (INT32)((INT64)16000000 * nBurnCPUSpeedAdjust / (0x0100 * 60));
	nCyclesTotal[1] = TOA_Z80_SPEED / 60;
	nCyclesDone[0] = nCyclesDone[1] = 0;

	SekOpen(0);
	
	SekSetCyclesScanline(nCyclesTotal[0] / 262);
	nToaCyclesDisplayStart = nCyclesTotal[0] - ((nCyclesTotal[0] * (TOA_VBLANK_LINES + 240)) / 262);
	nToaCyclesVBlankStart = nCyclesTotal[0] - ((nCyclesTotal[0] * TOA_VBLANK_LINES) / 262);
	bVBlank = false;

	INT32 nSoundBufferPos = 0;

	ZetOpen(0);
	for (INT32 i = 1; i <= nInterleave; i++) {
		// Run 68000
		INT32 nCurrentCPU = 0;
		INT32 nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;

		// Trigger VBlank interrupt
		if (!bVBlank && nNext > nToaCyclesVBlankStart) {
			if (nCyclesDone[nCurrentCPU] < nToaCyclesVBlankStart) {
				nCyclesSegment = nToaCyclesVBlankStart - nCyclesDone[nCurrentCPU];
				nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);
			}

			ToaBufferGP9001Sprites();
			if (pBurnDraw) {											// Draw screen if needed
				drvDraw();
			}

			nIRQPending = 1;
			SekSetIRQLine(2, CPU_IRQSTATUS_ACK);

			bVBlank = true;
		}

		nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
		nCyclesDone[nCurrentCPU] += SekRun(nCyclesSegment);

		// Run Z80
		nCurrentCPU = 1;
		nNext = i * nCyclesTotal[nCurrentCPU] / nInterleave;
		nCyclesSegment = nNext - nCyclesDone[nCurrentCPU];
		nCyclesDone[nCurrentCPU] += ZetRun(nCyclesSegment);

		// Render sound segment
		if (pBurnSoundOut) {
			INT32 nSegmentLength = (nBurnSoundLen * i / nInterleave) - nSoundBufferPos;
			INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
			BurnYM2151Render(pSoundBuf, nSegmentLength);
			MSM6295Render(pSoundBuf, nSegmentLength);
			nSoundBufferPos += nSegmentLength;
		}
	}

	SekClose();
	
	{
		// Make sure the buffer is entirely filled.
		if (pBurnSoundOut) {
			INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
			INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
			if (nSegmentLength) {
				BurnYM2151Render(pSoundBuf, nSegmentLength);
				MSM6295Render(pSoundBuf, nSegmentLength);
			}
		}
	}
	
	ZetClose();

	return 0;
}

// Rom information
/*
The region of Batrider is controlled by the first byte of rom prg0.u22
only sets which have been dumped from original PCBs are supported

original ROM labels have no indication of the region.

valid values are:
 ( * denotes that this set has been found on an original PCB )
 
 00 : Nippon *
 01 : USA *
 02 : Europe *
 03 : Asia
 04 : German (sic)
 05 : Austria
 06 : Belgium
 07 : Denmark
 08 : Finland
 09 : France
 0A : Great Britain
 0B : Greece
 0C : Holland
 0D : Italy
 0E : Norway
 0F : Portugal
 10 : Spain
 11 : Sweden
 12 : Switzerland
 13 : Australia
 14 : New Zealand
 15 : Taiwan
 16 : Hong Kong
 17 : Korea *
 18 : China *
 19 : No Region?
 1A+: Invalid
 
 For future reference, that would mean the following
 
 { "prg0_nippon.u22", 		0x080000, 0x4f3fc729, BRF_ESS | BRF_PRG },
 { "prg0_usa.u22", 			0x080000, 0x2049d007, BRF_ESS | BRF_PRG },
 { "prg0_europe.u22", 		0x080000, 0x91d3e975, BRF_ESS | BRF_PRG },
 { "prg0_asia.u22", 		0x080000, 0xfea5fe5b, BRF_ESS | BRF_PRG },
 { "prg0_german.u22", 		0x080000, 0x29969dd0, BRF_ESS | BRF_PRG },
 { "prg0_austria.u22", 		0x080000, 0x46e08afe, BRF_ESS | BRF_PRG },
 { "prg0_belgium.u22", 		0x080000, 0xf77ab38c, BRF_ESS | BRF_PRG },
 { "prg0_denmark.u22", 		0x080000, 0x980ca4a2, BRF_ESS | BRF_PRG },
 { "prg0_finland.u22", 		0x080000, 0x826d72db, BRF_ESS | BRF_PRG },
 { "prg0_france.u22", 		0x080000, 0xed1b65f5, BRF_ESS | BRF_PRG },
 { "prg0_greatbritain.u22", 0x080000, 0x5c815c87, BRF_ESS | BRF_PRG },
 { "prg0_greece.u22", 		0x080000, 0x33f74ba9, BRF_ESS | BRF_PRG },
 { "prg0_holland.u22", 		0x080000, 0xe4c42822, BRF_ESS | BRF_PRG },
 { "prg0_italy.u22", 		0x080000, 0x8bb23f0c, BRF_ESS | BRF_PRG },
 { "prg0_norway.u22", 		0x080000, 0x3a28067e, BRF_ESS | BRF_PRG },
 { "prg0_portugal.u22", 	0x080000, 0x555e1150, BRF_ESS | BRF_PRG },
 { "prg0_spain.u22", 		0x080000, 0x0eebaa8c, BRF_ESS | BRF_PRG },
 { "prg0_sweden.u22", 		0x080000, 0x619dbda2, BRF_ESS | BRF_PRG },
 { "prg0_switzerland.u22", 	0x080000, 0xd00784d0, BRF_ESS | BRF_PRG },
 { "prg0_australia.u22", 	0x080000, 0xbf7193fe, BRF_ESS | BRF_PRG },
 { "prg0_newzealand.u22", 	0x080000, 0x6842f075, BRF_ESS | BRF_PRG },
 { "prg0_taiwan.u22", 		0x080000, 0x0734e75b, BRF_ESS | BRF_PRG },
 { "prg0_hongkong.u22", 	0x080000, 0xb6aede29, BRF_ESS | BRF_PRG },
 { "prg0_korea.u22", 		0x080000, 0xd9d8c907, BRF_ESS | BRF_PRG },
 { "prg0_china.u22", 		0x080000, 0xc3b91f7e, BRF_ESS | BRF_PRG },
 { "prg0_none.u22", 		0x080000, 0xaccf0850, BRF_ESS | BRF_PRG },
 */
 
static struct BurnRomInfo batridRomDesc[] = {
	{ "prg0_europe.u22", 	0x080000, 0x91d3e975, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1b.u23",    	 	0x080000, 0x8e70b492, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batrid)
STD_ROM_FN(batrid)

static struct BurnRomInfo batriduRomDesc[] = {
	{ "prg0_usa.u22", 	 	0x080000, 0x2049d007, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1b.u23",    	 	0x080000, 0x8e70b492, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridu)
STD_ROM_FN(batridu)

static struct BurnRomInfo batridcRomDesc[] = {
	{ "prg0_china.u22",  	0x080000, 0xc3b91f7e, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1b.u23",    	 	0x080000, 0x8e70b492, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridc)
STD_ROM_FN(batridc)

static struct BurnRomInfo batridhkRomDesc[] = {
	{ "prg0.u22",  			0x080000, 0x00afbb7c, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1.u23",     	 	0x080000, 0x8ae7f592, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridhk)
STD_ROM_FN(batridhk)

static struct BurnRomInfo batridjRomDesc[] = {
	{ "prg0b.u22",    	 	0x080000, 0x4f3fc729, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1b.u23",    	 	0x080000, 0x8e70b492, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridj)
STD_ROM_FN(batridj)

static struct BurnRomInfo batridkRomDesc[] = {
	{ "prg0_korea.u22",  	0x080000, 0xd9d8c907, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1b.u23",    	 	0x080000, 0x8e70b492, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridk)
STD_ROM_FN(batridk)

static struct BurnRomInfo batridjaRomDesc[] = {
	{ "prg0.bin",     	 	0x080000, 0xf93ea27c, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1.u23",     	 	0x080000, 0x8ae7f592, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridja)
STD_ROM_FN(batridja)

static struct BurnRomInfo batridtaRomDesc[] = {
	{ "u22.bin",      	 	0x080000, 0xb135820e, BRF_ESS | BRF_PRG }, //  0 CPU #0 code	(even)
	{ "prg2.u21",     	 	0x080000, 0xbdaa5fbf, BRF_ESS | BRF_PRG }, //  1
	{ "prg1.u23",     	 	0x080000, 0x8ae7f592, BRF_ESS | BRF_PRG }, //  2				(odd)
	{ "prg3.u24",     	 	0x080000, 0x7aa9f941, BRF_ESS | BRF_PRG }, //  3

	{ "rom-1.bin",    	 	0x400000, 0x0df69ca2, BRF_GRA },		   //  4 GP9001 Tile data
	{ "rom-3.bin",    	 	0x400000, 0x60167d38, BRF_GRA },		   //  5
	{ "rom-2.bin",    	 	0x400000, 0x1bfea593, BRF_GRA },		   //  6
	{ "rom-4.bin",    	 	0x400000, 0xbee03c94, BRF_GRA },		   //  7

	{ "snd.u77",      	 	0x040000, 0x56682696, BRF_ESS | BRF_PRG }, //  8 Z80 program

	{ "rom-5.bin",    	 	0x100000, 0x4274daf6, BRF_SND },		   //  9 MSM6295 #1 ADPCM data
	{ "rom-6.bin",    	 	0x100000, 0x2a1c2426, BRF_SND },		   // 10 MSM6295 #2 ADPCM data
};


STD_ROM_PICK(batridta)
STD_ROM_FN(batridta)

struct BurnDriver BurnDrvBatrid = {
	"batrider", NULL, NULL, NULL, "1998",
	"Armed Police Batrider (Europe) (Fri Feb 13 1998)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridRomInfo, batridRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batridDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridu = {
	"batrideru", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider (U.S.A.) (Fri Feb 13 1998)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batriduRomInfo, batriduRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batriduDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridc = {
	"batriderc", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider (China) (Fri Feb 13 1998)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridcRomInfo, batridcRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batridcDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridhk = {
	"batriderhk", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider - A Version (Hong Kong) (Mon Dec 22 1997)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridhkRomInfo, batridhkRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batridhkDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridj = {
	"batriderj", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider - B Version (Japan) (Fri Feb 13 1998)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridjRomInfo, batridjRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batriderDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridk = {
	"batriderk", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider (Korea) (Fri Feb 13 1998)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridkRomInfo, batridkRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batridkDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridja = {
	"batriderja", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider - A Version (Japan) (Mon Dec 22 1997)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridjaRomInfo, batridjaRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batriderDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};

struct BurnDriver BurnDrvBatridta = {
	"batridert", "batrider", NULL, NULL, "1998",
	"Armed Police Batrider - A Version (Taiwan) (Mon Dec 22 1997)\0", NULL, "Raizing / 8ing", "Toaplan GP9001 based",
	NULL, NULL, NULL, NULL,
	BDF_GAME_WORKING | BDF_CLONE | TOA_ROTATE_GRAPHICS_CCW | BDF_HISCORE_SUPPORTED, 2, HARDWARE_TOAPLAN_RAIZING, GBF_VERSHOOT, 0,
	NULL, batridtaRomInfo, batridtaRomName, NULL, NULL, NULL, NULL, batriderInputInfo, batridtaDIPInfo,
	drvInit, drvExit, drvFrame, drvDraw, drvScan, &ToaRecalcPalette, 0x800,
	240, 320, 3, 4
};
