diff --git a/core/hw/naomi/naomi_cart.cpp b/core/hw/naomi/naomi_cart.cpp
index 4dab31372..adf8bdabf 100644
--- a/core/hw/naomi/naomi_cart.cpp
+++ b/core/hw/naomi/naomi_cart.cpp
@@ -326,9 +326,12 @@ static bool naomi_cart_LoadZip(char *filename)
 	const char *bios = "naomi";
 	if (game->bios != NULL)
 		bios = game->bios;
-	if (!naomi_LoadBios(bios, archive, parent_archive, settings.dreamcast.region))
+	u32 region_flag = settings.dreamcast.region;
+	if (region_flag > game->region_flag)
+	   region_flag = game->region_flag;
+	if (!naomi_LoadBios(bios, archive, parent_archive, region_flag))
 	{
-		printf("Warning: Region %d bios not found in %s\n", settings.dreamcast.region, bios);
+		printf("Warning: Region %d bios not found in %s\n", region_flag, bios);
 		if (!naomi_LoadBios(bios, archive, parent_archive, -1))
 		{
 			// If a specific BIOS is needed for this game, fail.
diff --git a/core/hw/naomi/naomi_roms.h b/core/hw/naomi/naomi_roms.h
index b6484e4be..f1d515bbe 100644
--- a/core/hw/naomi/naomi_roms.h
+++ b/core/hw/naomi/naomi_roms.h
@@ -44,6 +44,14 @@ enum CartridgeType {
 	GD
 };
 
+enum RegionType {
+	REGION_JAPAN = 0,
+	REGION_USA = 1,
+	REGION_EXPORT = 2,
+	REGION_KOREA = 3,
+	REGION_AUSTRALIA = 4
+};
+
 struct BIOS_t
 {
 	const char* name;
@@ -203,6 +211,7 @@ struct Game
 	u32 key;
 	const char *bios;
 	CartridgeType cart_type;
+	RegionType region_flag;
 	struct
 	{
 		const char* filename;
@@ -225,6 +234,7 @@ Games[] =
         0x7f805c3f,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-23377.ic11",  0x0000000, 0x0400000 },
             { "mpr-23357.ic17s", 0x1000000, 0x0800000, InterleavedWord },
@@ -258,6 +268,7 @@ Games[] =
         0x820857c9,
         "naomi",	// Needs Export BIOS
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-24212.ic11",   0x0000000, 0x400000 },
             { "opr-24213a.ic17s", 0x1000000, 0x800000, InterleavedWord },
@@ -297,6 +308,7 @@ Games[] =
         0xc18b6e7c,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-23085a.ic11", 0x0000000, 0x0400000 },
             { "mpr-23048.ic17s", 0x0800000, 0x0800000 },
@@ -336,6 +348,7 @@ Games[] =
         0x3892fb3a,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-24217.ic11",  0x0000000, 0x0400000 },
             { "mpr-24218.ic17s", 0x1000000, 0x0800000, InterleavedWord },
@@ -368,6 +381,7 @@ Games[] =
         0xcd9b4896,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-23227.ic11",  0x0000000, 0x0400000 },
             { "mpr-23211.ic17s", 0x1000000, 0x0800000, InterleavedWord },
@@ -397,6 +411,7 @@ Games[] =
         0xa0f37ca7,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {   
             { "epr-23844.ic11",  0x0000000, 0x400000 },
             { "mtp-23840.ic17s", 0x1000000, 0x800000, InterleavedWord },
@@ -415,6 +430,7 @@ Games[] =
         0x9dbde9cd,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {   
             { "epr-24065a.ic11", 0x0000000, 0x0400000 },
             { "opr-24060.ic17s", 0x1000000, 0x0800000, InterleavedWord },
@@ -437,6 +453,7 @@ Games[] =
         0x9dbde9cd,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-24148.ic11",  0x0000000, 0x400000 },
             { "opr-24174.ic17s", 0x1000000, 0x800000, InterleavedWord },
@@ -455,6 +472,7 @@ Games[] =
         0x9dbde9cd,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "rom0.ic22", 0x0000000, 0x400000 },
             { "rom1.ic1s", 0x0800000, 0x800000 },
@@ -474,6 +492,7 @@ Games[] =
         0x2f6f0f8d,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-23071.ic11",  0x0000000, 0x0200000 },
             { "epr-23071.ic11",  0x0200000, 0x0200000 }, // reload
@@ -499,6 +518,7 @@ Games[] =
         0x2d2d4743,
         NULL,
         M1,
+        REGION_AUSTRALIA,
         {
             { "epr-22327a.ic11", 0x0000000, 0x400000 },
             { "mpr-22307.ic17s", 0x1000000, 0x800000, InterleavedWord },
@@ -534,6 +554,7 @@ Games[] =
         0x2807cf54,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22185a.ic22", 0x0000000, 0x400000 },
             { "mpr-22164.ic1",   0x0800000, 0x800000 },
@@ -569,6 +590,7 @@ Games[] =
         0x2807cf54,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22185.ic22",  0x0000000, 0x400000 },
             { "mpr-22164.ic1",   0x0800000, 0x800000 },
@@ -619,6 +641,7 @@ Games[] =
         0x2807cf54,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22185t.ic22", 0x0000000, 0x400000 },
             { "mpr-22164.ic1",   0x0800000, 0x800000 },
@@ -669,6 +692,7 @@ Games[] =
         0x2807cf54,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23298.ic22",  0x0000000, 0x400000 },
             { "mpr-22164.ic1",   0x0800000, 0x800000 },
@@ -716,6 +740,7 @@ Games[] =
         0x2807cf54,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23299.ic22",  0x0000000, 0x400000 },
             { "mpr-22164.ic1",   0x0800000, 0x800000 },
@@ -762,6 +787,7 @@ Games[] =
         0x28070e41,
         "airlbios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21787b.ic22", 0x0000000, 0x400000 },
             { "mpr-21728.ic1",   0x0800000, 0x800000 },
@@ -791,6 +817,7 @@ Games[] =
         0x28070e41,
         "airlbios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21739a.ic22", 0x000000,  0x400000 },
             { "mpr-21728.ic1",   0x0800000, 0x800000 },
@@ -815,6 +842,7 @@ Games[] =
         0x28174343,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-23586t.ic22", 0x0000000, 0x0400000 },
             { "mpr-23581.ic1",   0x0800000, 0x1000000 },
@@ -835,6 +863,7 @@ Games[] =
         0x28174343,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23586a.ic22", 0x0000000, 0x0400000 },
             { "mpr-23581.ic1",   0x0800000, 0x1000000 },
@@ -855,6 +884,7 @@ Games[] =
         0x00000000,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23511c.ic22", 0x0000000, 0x0400000 },
             { "mpr-23504.ic1",   0x0800000, 0x1000000 },
@@ -877,6 +907,7 @@ Games[] =
         0x00000000,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23511a.ic22", 0x000000,  0x400000  },
             { "mpr-23504.ic1",   0x0800000, 0x1000000 },
@@ -899,6 +930,7 @@ Games[] =
         0x00000000,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23511.ic22", 0x000000,  0x400000  },
             { "mpr-23504.ic1",  0x0800000, 0x1000000 },
@@ -921,6 +953,7 @@ Games[] =
         0x281c2347,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23450.ic22", 0x0000000, 0x0400000 },
             { "mpr-23525.ic1",  0x0800000, 0x1000000 },
@@ -944,6 +977,7 @@ Games[] =
         0x28428247,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23674.ic22", 0x0000000, 0x400000 },
             { "rom1.ic1s",      0x0800000, 0x800000 },
@@ -981,6 +1015,7 @@ Games[] =
         0x280d2f45,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21684.ic22",  0x0000000, 0x400000 },
             { "mpr-21671.ic1",   0x0800000, 0x800000 },
@@ -1009,6 +1044,7 @@ Games[] =
         0x28103347,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23428a.ic22", 0x0000000, 0x0400000 },
             { "mpr-23420.ic1",   0x0800000, 0x0800000 },
@@ -1030,6 +1066,7 @@ Games[] =
         0x28103347,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23428.ic22", 0x0000000, 0x400000  },
             { "mpr-23420.ic1",  0x0800000, 0x0800000 },
@@ -1051,6 +1088,7 @@ Games[] =
         0x000e2010,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23210.ic22",  0x0000000, 0x0400000 },
             { "mpr-23198.ic1",   0x0800000, 0x0800000 },
@@ -1078,6 +1116,7 @@ Games[] =
         0x000b64d0,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23524a.ic22", 0x0000000, 0x0400000 },
             { "mpr-23514.ic1",   0x0800000, 0x0800000 },
@@ -1103,6 +1142,7 @@ Games[] =
         0x000b64d0,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23524.ic22", 0x0000000, 0x0400000 },
             { "mpr-23514.ic1",  0x0800000, 0x0800000 },
@@ -1128,6 +1168,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22284a.ic22", 0x0000000, 0x400000 },
             { "mpr-22223.ic1",   0x0800000, 0x800000 },
@@ -1157,6 +1198,7 @@ Games[] =
 		0x280fee35,
         NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22099b.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-22085.ic1",   0x0800000, 0x0800000 },
@@ -1184,6 +1226,7 @@ Games[] =
         0x2a436bb7,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22306b.ic22", 0x0000000, 0x0400000 },
             { "mpr-22295.ic1",   0x0800000, 0x1000000 },
@@ -1208,6 +1251,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22336d.ic22", 0x0000000, 0x0400000 },
             { "mpr-22328.ic1",   0x0800000, 0x1000000 },
@@ -1228,6 +1272,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22336b.ic22", 0x000000,  0x400000  },
             { "mpr-22328.ic1",   0x0800000, 0x1000000 },
@@ -1248,6 +1293,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22336c.ic22", 0x000000,  0x400000  },
             { "mpr-22328.ic1",   0x0800000, 0x1000000 },
@@ -1268,6 +1314,7 @@ Games[] =
         0x0008ad01,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22207.ic22", 0x0000000, 0x0400000 }, 
             { "mpr-22100.ic1",   0x0800000, 0x0800000 },
@@ -1307,6 +1354,7 @@ Games[] =
         0x0008ad01,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22121a.ic22", 0x0000000, 0x0400000 },
             { "mpr-22100.ic1",   0x0800000, 0x0800000 },
@@ -1346,6 +1394,7 @@ Games[] =
 		0x0008ad01,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "doa2verm.ic22",   0x0000000, 0x0400000 },
 			{ "mpr-22100.ic1",  0x0800000, 0x0800000 },
@@ -1384,6 +1433,7 @@ Games[] =
         0x2804ae71,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22141b.ic22", 0x0000000, 0x0200000 },
             { "epr-22141b.ic22", 0x0200000, 0x0200000 }, // reload
@@ -1417,6 +1467,7 @@ Games[] =
 		0x280e6ae1,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21575.ic22",  0x0000000, 0x0200000 },
             { "epr-21575.ic22",  0x0200000, 0x0200000 }, // reload
@@ -1452,6 +1503,7 @@ Games[] =
 		0x280e8f84,
 		"f355dlx",
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21902.ic22",  0x0000000, 0x0400000 },
 
@@ -1492,6 +1544,7 @@ Games[] =
 		0x2806efd4,
 		"f355bios",
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22848.ic22",  0x0000000, 0x400000 },
 			{ "mpr-22827.ic1",   0x0800000, 0x800000 },
@@ -1526,6 +1579,7 @@ Games[] =
         0x2806efd4,
         "f355bios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22848p.ic22", 0x0000000, 0x400000 },
             { "rom1.ic1s",       0x0800000, 0x800000 },
@@ -1560,6 +1614,7 @@ Games[] =
 		0x281666c6,
 		"f355bios",
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23399.ic22",  0x0000000, 0x400000 },
             //{ "epr-23399_alt.ic22", 0x0000000, 0x400000 },
@@ -1595,6 +1650,7 @@ Games[] =
 		0x28074a61,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21820.ic22", 0x0000000, 0x0200000 },
             { "epr-21820.ic22", 0x0200000, 0x0200000 }, // reload
@@ -1620,6 +1676,7 @@ Games[] =
         0x00076110,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-23356.ic22",  0x0000000, 0x0400000 },
             { "mpr-23342.ic1",   0x0800000, 0x0800000 },
@@ -1647,6 +1704,7 @@ Games[] =
 		0x000e8010,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23638.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-23628.ic1",  0x0800000, 0x1000000 },
@@ -1670,6 +1728,7 @@ Games[] =
 		0x000680d0,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "bhf2vere.2f", 0x0000000, 0x0800000 },
 			{ "bhf1ma2.4m",   0x2000000, 0x1000000 },
@@ -1699,6 +1758,7 @@ Games[] =
 		0x000680d0,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "bhf1vere.2f",  0x0000000, 0x0800000 },
 			{ "bhf1ma2.4m",   0x2000000, 0x1000000 },
@@ -1728,6 +1788,7 @@ Games[] =
 		0x000b25d0,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22270.ic22", 0x0000000, 0x0200000 },
             { "epr-22270.ic22", 0x0200000, 0x0200000 }, // reload
@@ -1747,6 +1808,7 @@ Games[] =
         0x00038510,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-23716a.ic22", 0x0000000, 0x0400000 }, 
             { "mpr-23705.ic1",   0x0800000, 0x0800000 },
@@ -1771,6 +1833,7 @@ Games[] =
         0xfffffff, // not populated
         "hod2bios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21585.ic22",  0x0000000, 0x200000 },
             { "epr-21585.ic22",  0x0200000, 0x200000 }, // reload
@@ -1805,6 +1868,7 @@ Games[] =
         0xfffffff, // not populated
         "hod2bios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21385.ic22",  0x0000000, 0x200000 },
             { "epr-21385.ic22",  0x0200000, 0x200000 }, //reload
@@ -1839,6 +1903,7 @@ Games[] =
         0xfffffff, // not populated
         "hod2bios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21805.ic22",  0x0000000, 0x200000 },
             { "epr-21805.ic22",  0x0200000, 0x200000 }, //reload
@@ -1873,6 +1938,7 @@ Games[] =
         0xfffffff, // not populated
         "hod2bios",
         M2,
+        REGION_AUSTRALIA,
         {
             { "hotd2proto.ic22", 0x000000,  0x200000 },
             { "hotd2proto.ic22", 0x200000,  0x200000 },
@@ -1907,6 +1973,7 @@ Games[] =
         0x294bc3e3,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22294a.ic22", 0x0000000, 0x400000 },
             { "rom1.ic1s",       0x0800000, 0x800000 },
@@ -1936,6 +2003,7 @@ Games[] =
 		0x280fab95,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22826a.ic22", 0x0000000, 0x400000 },
 			{ "mpr-22818.ic1",  0x0800000, 0x800000 },
@@ -1957,6 +2025,7 @@ Games[] =
         0x280b8ef5,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22993.ic22",  0x0000000, 0x200000 },
             { "epr-22993.ic22",  0x0200000, 0x200000 }, // reload
@@ -1986,6 +2055,7 @@ Games[] =
         0x280fea94,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "maz2vera.2d", 0x0800000, 0x0800000 },
             { "maz1ma1.4m",  0x1000000, 0x1000000 },
@@ -2007,6 +2077,7 @@ Games[] =
         0x280fea94,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "maz3vera.2d", 0x0800000, 0x0800000 },
             { "maz1ma1.4m",  0x1000000, 0x1000000 },
@@ -2028,6 +2099,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-24241.ic22", 0x00000000, 0x00400000 },
             { "mpr-24242.ic1",  0x00800000, 0x01000000 },
@@ -2046,6 +2118,7 @@ Games[] =
         0xffffffff, // not populated
 		NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-24286.ic22", 0x0000000, 0x0400000 },
             { "mpr-24276.ic1",  0x0800000, 0x1000000 },
@@ -2066,6 +2139,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "rom1.ic1s",    0x0800000, 0x800000 },
             { "rom2.ic2s",    0x1000000, 0x800000 },
@@ -2093,6 +2167,7 @@ Games[] =
 		0x0002c840,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23062a.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-23048.ic1",   0x0800000, 0x0800000 },
@@ -2125,6 +2200,7 @@ Games[] =
 		0x000ca510,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "nja2vera.2d", 0x0800000, 0x0800000 },
             { "nja1vera.2c", 0x1000000, 0x0800000 },
@@ -2153,6 +2229,7 @@ Games[] =
         0x000ca510,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "nja4vera.2d",     0x0800000, 0x0800000 },
             { "nja1vera.2c",     0x1000000, 0x0800000 },
@@ -2182,6 +2259,7 @@ Games[] =
         0x000ca510,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "nja1vera.2d",     0x0800000, 0x0800000 },
             { "nja1vera.2c",     0x1000000, 0x0800000 },
@@ -2212,6 +2290,7 @@ Games[] =
         0x000ca510,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "nja3vera.2d", 0x0800000, 0x0800000 },
             { "nja1vera.2c", 0x1000000, 0x0800000 },
@@ -2242,6 +2321,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-24053.ic22", 0x0000000, 0x0400000 },
             { "mpr-24054.ic1",  0x0800000, 0x1000000 },
@@ -2260,6 +2340,7 @@ Games[] =
 		0x280fea94,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22163.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-22142.ic1",  0x0800000, 0x0800000 },
@@ -2295,6 +2376,7 @@ Games[] =
         0x000725d0,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23548a.ic22", 0x0000000, 0x0400000 },
             { "mpr-23537.ic1",   0x0800000, 0x1000000 },
@@ -2319,6 +2401,7 @@ Games[] =
 		0x000e69c1,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21597.ic22",0x0000000, 0x0200000 },
             { "epr-21597.ic22", 0x0200000, 0x0200000 }, // reload
@@ -2341,6 +2424,7 @@ Games[] =
 		0x000b8dc0,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23127.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-23118.ic1", 0x0800000, 0x0800000 },
@@ -2363,6 +2447,7 @@ Games[] =
         0x000b8dc0,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "00.ic1",  0x0000000, 0x0800000 },
             { "01.ic2",  0x0800000, 0x0800000 },
@@ -2385,6 +2470,7 @@ Games[] =
 		0x000acd40,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22206.ic22", 0x0000000, 0x400000 },
 			{ "mpr-22186.ic1",   0x0800000, 0x800000 },
@@ -2418,6 +2504,7 @@ Games[] =
 		0x280b1e40,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21779a.ic22", 0x0000000, 0x400000 },
 			{ "mpr-21761.ic1",  0x0800000, 0x800000 },
@@ -2441,6 +2528,7 @@ Games[] =
         0x280b1e40,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21779.ic22", 0x0000000, 0x400000 },
             { "mpr-21761.ic1",  0x0800000, 0x800000 },
@@ -2464,6 +2552,7 @@ Games[] =
 		0x280a8b5d,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22966b.ic22",0x0000000, 0x0400000 }, // was also found in cartridge with Rev.A case label
 			{ "mpr-22950.ic1",  0x0800000, 0x0800000 },
@@ -2493,6 +2582,7 @@ Games[] =
         0x280a8b5d,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "sambaproto.ic22", 0x000000,   0x0400000  },
             { "rom1.ic1s",       0x00800000, 0x00800000 },
@@ -2520,6 +2610,7 @@ Games[] =
 		0x281702cf,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23600.ic22", 0x00000000, 0x0400000 },
 			{ "mpr-23589.ic1",  0x00800000, 0x1000000 },
@@ -2544,6 +2635,7 @@ Games[] =
 		0x2808ae51,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             {  "epr-22909.ic22", 0x0000000, 0x200000 },
             {  "epr-22909.ic22", 0x0200000, 0x200000 }, // reload
@@ -2564,6 +2656,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22060.ic22",  0x0000000, 0x0400000 },
             { "mpr-22061.ic1",   0x0800000, 0x0800000 },
@@ -2589,6 +2682,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23627.ic22", 0x0000000, 0x0400000 },
             { "mpr-23275.ic1",  0x0800000, 0x1000000 },
@@ -2613,6 +2707,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23626.ic22", 0x0000000, 0x200000 },
             { "epr-23626.ic22", 0x0200000, 0x200000 }, //reload
@@ -2649,6 +2744,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23625.ic22", 0x0000000, 0x0400000 },
             { "mpr-23231.ic1",  0x0800000, 0x1000000 },
@@ -2670,6 +2766,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "rom1.ic1s",   0x00800000, 0x00800000 },
             { "rom2.ic2s",   0x01000000, 0x00800000 },
@@ -2688,6 +2785,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-24107a.ic22", 0x00000000, 0x00400000 },
             { "mpr-24108.ic1",   0x00800000, 0x01000000 },
@@ -2712,6 +2810,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-24087b.ic22", 0x00000000, 0x00400000 },
             { "mpr-24088.ic1",   0x00800000, 0x01000000 },
@@ -2731,6 +2830,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-24097a.ic22", 0x00000000, 0x00400000 },
             { "mpr-24098.ic1",   0x00800000, 0x01000000 },
@@ -2750,6 +2850,7 @@ Games[] =
         0x28048a01,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22059.ic22",  0x0000000, 0x200000 },
             { "epr-22059.ic22",  0x0200000, 0x200000 }, // reload
@@ -2785,6 +2886,7 @@ Games[] =
 		0x281a66ca,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23341.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-23324.ic1",  0x0800000, 0x0800000 },
@@ -2815,6 +2917,7 @@ Games[] =
         0xffffffff, // not populated
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22221.ic22",  0x0000000, 0x0400000 },
 			{ "mpr-22208.ic1",   0x0800000, 0x0800000 },
@@ -2840,6 +2943,7 @@ Games[] =
         0x00078d01,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22977b.ic22", 0x0000000, 0x0400000 },
             { "mpr-22967.ic1",   0x0800000, 0x0800000 },
@@ -2863,6 +2967,7 @@ Games[] =
 		0x28132303,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23323a.ic22", 0x0000000, 0x400000 },
 			{ "mpr-23302.ic1",   0x0800000, 0x800000 },
@@ -2896,6 +3001,7 @@ Games[] =
         0x28132303,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23786a.ic22", 0x0000000, 0x400000 },
             { "mpr-23302.ic1",   0x0800000, 0x800000 },
@@ -2929,6 +3035,7 @@ Games[] =
         0x000368e1,
 		NULL,
         M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-21979.ic22", 0x0000000, 0x0200000 },
             { "epr-21979.ic22", 0x0200000, 0x0200000 }, // reload
@@ -2957,6 +3064,7 @@ Games[] =
         0x28028ea5,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             //ROM_REGION16_BE( 0x80, "main_eeprom", 0 )
             //ROM_LOAD16_WORD("main_eeprom.bin", 0x0000, 0x0080, CRC(fea29cbb) SHA1(4099f1747aafa07db34f6e072cd9bfaa83bae10e) )
@@ -2983,6 +3091,7 @@ Games[] =
         0xffffffff, // not populated
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23021a.ic22", 0x0000000, 0x0400000 },
 
@@ -3018,6 +3127,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23021.ic22",  0x0000000, 0x0400000 },
             { "mpr-23001.ic1",   0x0800000, 0x0800000 },
@@ -3052,6 +3162,7 @@ Games[] =
         0x052e2901,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "trf1vera.2f", 0x0000000, 0x0800000 },
             { "trf1vera.2d", 0x0800000, 0x0800000 },
@@ -3081,6 +3192,7 @@ Games[] =
 		0x2802ca85,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22035.ic22",0x0000000, 0x0400000 },
 			{ "mpr-22025.ic1", 0x0800000, 0x0800000 },
@@ -3104,6 +3216,7 @@ Games[] =
         0xffffffff, // not populated
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23073.ic22",  0x0000000, 0x0400000 },
 			{ "mpr-22928.ic1",   0x0800000, 0x0800000 },
@@ -3138,6 +3251,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-22949.ic22",  0x0000000, 0x0400000 },
             { "mpr-22928.ic1",   0x0800000, 0x0800000 },
@@ -3172,6 +3286,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "vnbaearly.ic22",  0x0000000, 0x0400000 },
             { "mpr-22928.ic1",   0x0800000, 0x0800000 },
@@ -3206,6 +3321,7 @@ Games[] =
         0x28010715,
         NULL,
         M2,
+        REGION_AUSTRALIA,
 	{
             { "epr-23198.ic22",  0x0000000, 0x400000 },
             { "mpr-23182.ic1",   0x0800000, 0x800000 },
@@ -3232,6 +3348,7 @@ Games[] =
 		0x28088b08,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21929c.ic22",0x0000000, 0x0400000 },
 			{ "mpr-21924.ic1",  0x0800000, 0x0800000 },
@@ -3260,6 +3377,7 @@ Games[] =
         0x28088b08,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             {"epr-21929.ic22",   0x0000000, 0x0400000 },
             { "mpr-21924.ic1",   0x0800000, 0x0800000 },
@@ -3288,6 +3406,7 @@ Games[] =
 		0x2803eb15,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-22927.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-22916.ic1", 0x0800000, 0x0800000 },
@@ -3312,6 +3431,7 @@ Games[] =
         0xffffffff, // not populated
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-24059.ic22", 0x0000000, 0x0400000 },
             { "mpr-23719.ic1",  0x0800000, 0x1000000 },
@@ -3331,6 +3451,7 @@ Games[] =
         0xffffffff, // not populated
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-23725a.ic22", 0x0000000, 0x400000  },
             { "mpr-23719.ic1",   0x0800000, 0x1000000 },
@@ -3356,6 +3477,7 @@ Games[] =
 		0x052e2901,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "wk2vera.2d",  0x0800000, 0x0800000 },
             { "wk2vera.2c",  0x1000000, 0x0800000 },
@@ -3379,6 +3501,7 @@ Games[] =
         0x052e2901,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "wk1vera.2d",  0x0800000, 0x0800000 },
             { "wk2vera.2c",  0x1000000, 0x0800000 },
@@ -3402,6 +3525,7 @@ Games[] =
         0x052e2901,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "wk3vera.2d", 0x0800000, 0x0800000 },
             { "wk2vera.2c", 0x1000000, 0x0800000 },
@@ -3425,6 +3549,7 @@ Games[] =
         0x052e2901,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "wkc1vera.2d", 0x0800000, 0x0800000 },
             { "wkc1vera.2c", 0x1000000, 0x0800000 },
@@ -3448,6 +3573,7 @@ Games[] =
         0x052e2901,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "wkc2vera.2d", 0x0800000, 0x0800000 },
             { "wkc1vera.2c", 0x1000000, 0x0800000 },
@@ -3471,6 +3597,7 @@ Games[] =
         0x281627c3,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
             { "epr-22261.ic22", 0x0000000, 0x0400000 },
             { "mpr-22262.ic1",  0x0800000, 0x1000000 },
@@ -3492,6 +3619,7 @@ Games[] =
 		0x0007c010,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-23689.ic22", 0x0000000, 0x0400000 },
 			{ "mpr-23684.ic1",  0x0800000, 0x1000000 },
@@ -3510,6 +3638,7 @@ Games[] =
         0x28012b41,
         NULL,
         M2,
+        REGION_AUSTRALIA,
         {
             { "epr-21707a.ic22", 0x0000000, 0x0200000 },
             { "epr-21707a.ic22", 0x0200000, 0x0200000 }, // reload
@@ -3543,6 +3672,7 @@ Games[] =
 		0x28012b41,
 		NULL,
 		M2,
+        REGION_AUSTRALIA,
 		{
 			{ "epr-21707.ic22",0x0000000, 0x0200000 },
 			{ "epr-21707.ic22",0x0200000, 0x0200000 },	// Reload
@@ -3577,6 +3707,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_JAPAN,
         {
             { "ic8.bin", 0x0000000, 0x4000000 },
             { "ic9.bin", 0x4000000, 0x4000000 },
@@ -3593,6 +3724,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24382.ic8",  0x0000000, 0x4000000 },
             { "fpr-24383.ic9",  0x4000000, 0x4000000 },
@@ -3610,6 +3742,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24382.ic8",  0x0000000, 0x4000000 },
             { "fpr-24383.ic9",  0x4000000, 0x4000000 },
@@ -3630,6 +3763,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24437.ic8",  0x0000000, 0x4000000 },
             { "fpr-24438.ic9",  0x4000000, 0x4000000 },
@@ -3646,6 +3780,7 @@ Games[] =
         0x5505,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24408.ic8",  0x00000000, 0x4000000 },
             { "fpr-24372.ic9",  0x04000000, 0x4000000 },
@@ -3671,6 +3806,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "ic8.bin",  0x0000000, 0x4000000 },
             { "ic9.bin",  0x4000000, 0x4000000 },
@@ -3687,6 +3823,7 @@ Games[] =
         0x5586,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "ic8.bin",       0x00000000, 0x4000000 },
             { "epr-24455.ic7", 0x00000000, 0x0400000 }, // EPR mode, overwrite FPR data
@@ -3707,6 +3844,7 @@ Games[] =
         0x5506,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "ic8.bin",       0x00000000, 0x4000000 },
             { "ic9.bin",       0x04000000, 0x4000000 },
@@ -3726,6 +3864,7 @@ Games[] =
         0x5502,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24333.ic8", 0x0000000, 0x4000000 },
             { "fpr-24334.ic9", 0x4000000, 0x4000000 },
@@ -3744,6 +3883,7 @@ Games[] =
         0x5582,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24333.ic8", 0x0000000, 0x4000000 },
             { "epr-24357.ic7", 0x0000000, 0x0400000 },
@@ -3765,6 +3905,7 @@ Games[] =
         0x5502,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24417.ic8", 0x0000000, 0x4000000 },
             { "fpr-24418.ic9", 0x4000000, 0x4000000 },
@@ -3784,6 +3925,7 @@ Games[] =
         0x5505,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24365.ic8",  0x00000000, 0x4000000 },
             { "fpr-24366.ic9",  0x04000000, 0x4000000 },
@@ -3809,6 +3951,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "ic8.bin", 0x0000000, 0x4000000 },
             { "ic9.bin", 0x4000000, 0x4000000 },
@@ -3824,6 +3967,7 @@ Games[] =
         0x5504,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24423.ic8",  0x00000000, 0x4000000 },
             { "fpr-24424.ic9",  0x04000000, 0x4000000 },
@@ -3840,7 +3984,8 @@ Games[] =
         0x10000000,
         0x5504,
         NULL, // requires epr-21576g.ic27
-        M4,   // not a real M4, rom header decrypted
+        M4,
+        REGION_AUSTRALIA,   // not a real M4, rom header decrypted
         {
             { "fpr-24413.ic8",  0x0000000, 0x4000000 },
             { "fpr-24414.ic9",  0x4000000, 0x4000000 },
@@ -3858,6 +4003,7 @@ Games[] =
         0x5502,
         "naomi",
         M4,
+        REGION_AUSTRALIA,
         {
             { "fpr-24338.ic8", 0x0000000, 0x4000000 },
             { "fpr-24339.ic9", 0x4000000, 0x4000000 },
@@ -3879,6 +4025,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5091-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3893,6 +4040,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5097-jpn.pic", 0, 0x4000 },
 			{ "bdrdown-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -3908,6 +4056,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5102-com.pic", 0, 0x4000 },
 			{ "cfield-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -3923,6 +4072,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5085-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3937,6 +4087,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5083-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3951,6 +4102,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0298-com.pic",  0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3965,6 +4117,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5076-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3981,6 +4134,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5078-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -3996,6 +4150,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5078-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4010,6 +4165,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0363-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4024,6 +4180,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0363-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4038,6 +4195,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0389-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4052,6 +4210,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-xxxx-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4066,6 +4225,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0308-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4080,6 +4240,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5082-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4094,6 +4255,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_JAPAN,
 		{
 			{ "317-5126-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4108,6 +4270,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5092-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4122,6 +4285,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5092-jpn.pic" , 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4136,6 +4300,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5111-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4150,6 +4315,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5069-com.pic", 0, 0x4000 },
 			{ "gundmgd-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4165,6 +4331,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5079-com.pic", 0, 0x4000 },
 			{ "gundmxgd-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4180,6 +4347,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5081-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4194,6 +4362,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5122-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4208,6 +4377,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5125-com.pic", 0, 0x4000 },
 			{ "karous-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4223,6 +4393,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0323-com.pic", 0, 0x4000 },
 			{ "keyboard-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4238,6 +4409,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5115-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4252,6 +4424,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0325-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4266,6 +4439,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0332-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4280,6 +4454,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5124-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4294,6 +4469,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5104-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4308,6 +4484,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5104-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4322,6 +4499,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5124-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4336,6 +4514,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5084-jpn.pic", 0, 0x4000 },
 			{ "moeru-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4351,6 +4530,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0333-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4365,6 +4545,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0307-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4379,6 +4560,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_JAPAN,
 		{
 			{ "317-5100-jpn.pic", 0, 0x4000 },
 			{ "psyvar2-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4394,6 +4576,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0375-com.pic", 0, 0x4000 },
 			{ "puyofev-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4409,6 +4592,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0375-com.pic", 0, 0x4000 },
 			{ "puyofev-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4424,6 +4608,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5090-jpn.pic", 0, 0x4000 },
 			{ "quizqgd-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4439,6 +4624,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5110-jpn.pic", 0, 0x4000 },
 			{ "radirgy-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4454,6 +4640,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5110-jpn.pic", 0, 0x4000 },
 			{ "radirgy-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4469,6 +4656,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5107-jpn.pic", 0, 0x4000 },
 			{ "senko-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4484,6 +4672,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5107-jpn.pic", 0, 0x4000 },
 			{ "senkoo-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4499,6 +4688,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5123-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4513,6 +4703,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_JAPAN,
 		{
 			{ "317-5072-com.pic", 0, 0x4000 },
 			{ "sfz3ugd-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4528,6 +4719,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0299-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4542,6 +4734,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0321-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4556,6 +4749,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0315-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4570,6 +4764,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5095-jpn.pic", 0, 0x4000 },
 			{ "shikgam2-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4585,6 +4780,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0302-com.pic",  0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4599,6 +4795,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0303-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4613,6 +4810,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0300-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4627,6 +4825,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5108-jpn.pic", 0, 0x4000 },
 			{ "ss2005-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4642,6 +4841,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5108-jpn.pic", 0, 0x4000 },
 			{ "ss2005-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4657,6 +4857,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5077-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4671,6 +4872,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5127-jpn.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4685,6 +4887,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5093-jpn.pic", 0, 0x4000 },
 			{ "tetkiwam-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4700,6 +4903,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5121-jpn.pic", 0, 0x4000 },
 			{ "trgheart-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4715,6 +4919,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5121-jpn.pic", 0, 0x4000 },
 			{ "trgheart-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4730,6 +4935,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5103-jpn.pic", 0, 0x4000 },
 			{ "trizeal-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4745,6 +4951,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5117-jpn.pic", 0, 0x4000 },
 			{ "undefeat-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4760,6 +4967,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-5096-jpn.pic", 0, 0x4000 },
 			{ "usagiym-default-eeprom.bin", 0, 0x80, Eeprom },
@@ -4775,6 +4983,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0330-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4789,6 +4998,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0318-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4803,6 +5013,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0312-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4817,6 +5028,7 @@ Games[] =
 		0,
 		"naomi",
 		GD,
+        REGION_AUSTRALIA,
 		{
 			{ "317-0309-com.pic", 0, 0x4000 },
 			{ NULL, 0, 0 },
@@ -4834,6 +5046,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "vm2001f01.u3",  0x0000000, 0x800000 },
             { "vm2001f01.u4",  0x1000000, 0x800000 },
@@ -4851,6 +5064,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "u3",  0x0000000, 0x1000000 },
             { "u1",  0x1000000, 0x1000000 },
@@ -4869,6 +5083,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "vera.u3",      0x00000000, 0x01000000 },
             { "vera.u1",      0x01000000, 0x01000000 },
@@ -4890,6 +5105,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "610-0811.u3",  0x00000000, 0x01000000 },
             { "610-0811.u1",  0x01000000, 0x01000000 },
@@ -4911,6 +5127,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "u3", 0x0000000, 0x1000000 },
             { "u1", 0x1000000, 0x1000000 },
@@ -4930,6 +5147,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "608-2161.u3",  0x0000000, 0x1000100 },
             { "608-2161.u1",  0x1000000, 0x1000100 },
@@ -4951,6 +5169,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax0601p01.ic18", 0x0000000, 0x0800000 },
             { "ax0601m01.ic11", 0x1000000, 0x1000000 },
@@ -4972,6 +5191,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "695-0014.u3",  0x0000000, 0x1000000 },
             { "695-0014.u1",  0x1000000, 0x1000000 },
@@ -4993,6 +5213,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax0401p01.ic18", 0x0000000, 0x0800000 },
             { "ax0401m01.ic11", 0x1000000, 0x1000000 },
@@ -5012,6 +5233,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1901p01.ic18", 0x0000000, 0x0800000 },
             { "ax1901m01.ic11", 0x1000000, 0x1000000 },
@@ -5033,6 +5255,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1701p01.ic18", 0x0000000, 0x0800000 },
             { "ax1701m01.ic11", 0x1000000, 0x1000000 },
@@ -5055,6 +5278,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1201p01.ic18", 0x0000000, 0x0800000 },
             { "ax1201m01.ic10", 0x0800000, 0x1000000 },
@@ -5077,6 +5301,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax0801p01.ic18", 0x0000000, 0x0800000 },
             { "ax0801m01.ic11", 0x1000000, 0x1000000 },
@@ -5098,6 +5323,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax2201en_p01.ic18", 0x0000000, 0x0800000 },
             { "ax2201m01.ic11",    0x1000000, 0x1000000 },
@@ -5118,6 +5344,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax2201jp_p01.ic18", 0x0000000, 0x0800000 },
             // these are taken from the above set, game *seems* to work fine with these
@@ -5139,6 +5366,7 @@ Games[] =
         0x00000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax3201p01.fmem1", 0x00000000, 0x0800000 },
             { "ax3201m01.mrom1", 0x02000000, 0x2000000 },
@@ -5160,6 +5388,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1301p01.ic18", 0x0000000, 0x0800000 },
             { "ax1301m01.ic11", 0x1000000, 0x1000000 },
@@ -5181,6 +5410,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax0501p01.ic18", 0x0000000, 0x0800000 },
             { "ax0501m01.ic11", 0x1000000, 0x1000000 },
@@ -5202,6 +5432,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax3001p01.fmem1", 0x0000000, 0x0800000 },
             { "ax3001m01.mrom1", 0x2000000, 0x2000000 },
@@ -5220,6 +5451,7 @@ Games[] =
         0x00000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax3301en_p01.fmem1", 0x00000000, 0x0800000 },
             { "ax3301m01.mrom1",    0x02000000, 0x2000000 },
@@ -5241,6 +5473,7 @@ Games[] =
         0x00000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax3301p01.fmem1", 0x00000000, 0x0800000 },
             { "ax3301m01.mrom1", 0x02000000, 0x2000000 },
@@ -5262,6 +5495,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1601p01.ic18", 0x0000000, 0x0800000 },
             { "ax1601m01.ic11", 0x1000000, 0x1000000 },
@@ -5281,6 +5515,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1801p01.ic18", 0x0000000, 0x0800000 },
             { "ax1801m01.ic11", 0x1000000, 0x1000000 },
@@ -5302,6 +5537,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ic12", 0x00000000, 0x00800000 },
             { "ic13", 0x00800000, 0x00800000 },
@@ -5331,6 +5567,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax3401p01.fmem1", 0x0000000, 0x0800000 },
             { "ax3401m01.mrom1", 0x2000000, 0x2000000 },
@@ -5350,6 +5587,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ic12", 0x00000000, 0x00800000 },
             { "ic13", 0x00800000, 0x00800000 },
@@ -5379,6 +5617,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax1401p01.ic18", 0x0000000, 0x0800000 },
             { "ax1401m01.ic11", 0x1000000, 0x1000000 },
@@ -5400,6 +5639,7 @@ Games[] =
         0x00000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax2901p01.fmem1", 0x00000000, 0x0800000 },
             { "ax2901m01.mrom1", 0x02000000, 0x2000000 },
@@ -5421,6 +5661,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax0101p01.ic18", 0x0000000, 0x0800000 },
             { "ax0101m01.ic11", 0x1000000, 0x1000000 },
@@ -5439,6 +5680,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ic12", 0x00000000, 0x00800000 },
             { "ic14", 0x01000000, 0x00800000 },
@@ -5458,6 +5700,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax2001p01.ic18", 0x0000000, 0x0800000 },
             { "ax2001m01.ic11", 0x1000000, 0x1000000 },
@@ -5479,6 +5722,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "u3", 0x0000000, 0x1000000 },
             { "u1", 0x1000000, 0x1000000 },
@@ -5494,6 +5738,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "ax2401p01.ic18", 0x0000000, 0x0800000 },
             { "ax2401m01.ic11", 0x1000000, 0x1000000 },
@@ -5513,6 +5758,7 @@ Games[] =
         0x0000000,
         "awbios",
         AW,
+        REGION_AUSTRALIA,
         {
             { "610-0752.u3",    0x0000000, 0x1000000 },
             { "610-0752.u1",    0x1000000, 0x1000000 },