diff --git a/src/boards/90.c b/src/boards/90.c
index 9f144d3..c629ab5 100644
--- a/src/boards/90.c
+++ b/src/boards/90.c
@@ -95,51 +95,49 @@ static void mira(void) {
 	}
 }
 
-static void tekprom(void) {	// TODO: verify for single, small multi and large multi
+static void tekprom(void) {
 	uint32 bankmode = ((tkcom[3] & 6) << 5);
 	switch (tkcom[0] & 7) {
-	case 00:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (((prgb[3] << 2) + 3) & 0x3F) | bankmode);
-		setprg32(0x8000, (prgb[3] & 7) | ((tkcom[3] & 7) << 3));
-		break;
-	case 01:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (((prgb[3] << 1) + 1) & 0x3F) | bankmode);
-		setprg16(0x8000, (prgb[1] & 0x0F) | ((tkcom[3] & 7) << 4));
-		setprg16(0xC000, 0x0F | ((tkcom[3] & 7) << 4));
-		break;
-	case 03:	// bit reversion
-	case 02:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (prgb[3] & 0x1F) | ((tkcom[3] & 7) << 5));	// 45in1 multy has different bits, seems board was hacked to support big data banks
-		setprg8(0x8000, (prgb[0] & 0x1F) | ((tkcom[3] & 7) << 5));
-		setprg8(0xa000, (prgb[1] & 0x1F) | ((tkcom[3] & 7) << 5));
-		setprg8(0xc000, (prgb[2] & 0x1F) | ((tkcom[3] & 7) << 5));
-		setprg8(0xe000, 0x1F | ((tkcom[3] & 7) << 5));
-//			setprg8(0xe000,(prgb[3]&0x0F)|((tkcom[3]&6)<<3));
-//			setprg32(0x8000,((prgb[0]&0x0F)>>2)|((tkcom[3]&6)<<3));
-		break;
-	case 04:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (((prgb[3] << 2) + 3) & 0x3F) | bankmode);
-		setprg32(0x8000, (prgb[3] & 0x0F) | ((tkcom[3] & 6) << 3));
-		break;
-	case 05:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (((prgb[3] << 1) + 1) & 0x3F) | bankmode);
-		setprg16(0x8000, (prgb[1] & 0x1F) | ((tkcom[3] & 6) << 4));
-		setprg16(0xC000, (prgb[3] & 0x1F) | ((tkcom[3] & 6) << 4));
-		break;
-	case 07:	// bit reversion
-	case 06:
-		if (tkcom[0] & 0x80)
-			setprg8(0x6000, (prgb[3] & 0x3F) | bankmode);
-		setprg8(0x8000, (prgb[0] & 0x3F) | bankmode);
-		setprg8(0xa000, (prgb[1] & 0x3F) | bankmode);
-		setprg8(0xc000, (prgb[2] & 0x3F) | bankmode);
-		setprg8(0xe000, (prgb[3] & 0x3F) | bankmode);
-		break;
+		case 00:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (((prgb[3] << 2) + 3) & 0x3F) | bankmode);
+			setprg32(0x8000, 0x0F | ((tkcom[3] & 6) << 3));
+			break;
+		case 01:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (((prgb[3] << 1) + 1) & 0x3F) | bankmode);
+			setprg16(0x8000, (prgb[1] & 0x1F) | ((tkcom[3] & 6) << 4));
+			setprg16(0xC000, 0x1F | ((tkcom[3] & 6) << 4));
+			break;
+		case 03: // bit reversion
+		case 02:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (prgb[3] & 0x3F) | bankmode);
+			setprg8(0x8000, (prgb[0] & 0x3F) | bankmode);
+			setprg8(0xa000, (prgb[1] & 0x3F) | bankmode);
+			setprg8(0xc000, (prgb[2] & 0x3F) | bankmode);
+			setprg8(0xe000, 0x3F | bankmode);
+			break;
+		case 04:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (((prgb[3] << 2) + 3) & 0x3F) | bankmode);
+			setprg32(0x8000, (prgb[3] & 0x0F) | ((tkcom[3] & 6) << 3));
+			break;
+		case 05:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (((prgb[3] << 1) + 1) & 0x3F) | bankmode);
+			setprg16(0x8000, (prgb[1] & 0x1F) | ((tkcom[3] & 6) << 4));
+			setprg16(0xC000, (prgb[3] & 0x1F) | ((tkcom[3] & 6) << 4));
+			break;
+		case 07: // bit reversion
+		case 06:
+			if (tkcom[0] & 0x80)
+				setprg8(0x6000, (prgb[3] & 0x3F) | bankmode);
+			setprg8(0x8000, (prgb[0] & 0x3F) | bankmode);
+			setprg8(0xa000, (prgb[1] & 0x3F) | bankmode);
+			setprg8(0xc000, (prgb[2] & 0x3F) | bankmode);
+			setprg8(0xe000, (prgb[3] & 0x3F) | bankmode);
+			break;
 	}
 }
 
@@ -437,7 +435,6 @@ static void M90Power(void) {
 	tekvrom();
 }
 
-
 void Mapper90_Init(CartInfo *info) {
 	is211 = 0;
 	is209 = 0;
diff --git a/src/boards/datalatch.c b/src/boards/datalatch.c
index 53cd50b..1fe77fd 100644
--- a/src/boards/datalatch.c
+++ b/src/boards/datalatch.c
@@ -150,7 +150,25 @@ static void CNROMSync(void) {
 }
 
 void CNROM_Init(CartInfo *info) {
-	Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, 1);
+	//TODO: move these to extended database when implemented.
+	int _busc, x;
+	uint64 partialmd5 = 0;
+	_busc = 1;
+	for (x = 0; x < 8; x++)
+		partialmd5 |= (uint64)info->MD5[15 - x] << (x * 8);
+	if (partialmd5 == 0x117181328eb1ad23LL) //75 Bingo (Sachen-English) [U].unf
+		_busc = 0;
+	else
+		switch (info->CRC32) {
+		case 0xf283cf58: // Colorful Dragon (Asia) (PAL) (Unl).nes
+		case 0x2915faf0: // Incantation (Asia) (Unl).nes
+		case 0xebd0644d: // Dao Shuai (Asia) (Unl).nes
+		case 0x8f154a0d: // Pu Ke Jing Ling (China) (Unl).nes
+		case 0xd04a40e6: // Bingo 75 (Asia) (Unl).nes
+			_busc = 0;
+			break;
+	}
+	Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, _busc);
 }
 
 //------------------ Map 7 ---------------------------
diff --git a/src/ines-correct.h b/src/ines-correct.h
index 41b2f69..6538443 100644
--- a/src/ines-correct.h
+++ b/src/ines-correct.h
@@ -57,6 +57,11 @@
 	{0x419461d0,	  2,		1},	/* Super Cars */
 	{0xdbf90772,	  3,		0},	/* Alpha Mission */
 	{0xd858033d,	  3,		0},	/* Armored Scrum Object */
+	{0xf283cf58,	  3,		0},	/* Colorful Dragon (Asia) (PAL) (Unl) */
+	{0xd858033d,	  3,		0},	/* Incantation (Asia) (Unl) */
+	{0x8f154a0d,	  3,		0},	/* Pu Ke Jing Ling (China) (Unl) */
+	{0xd04a40e6,	  3,		0},	/* Bingo 75 (Asia) (Unl) */
+	{0xebd0644d,	  3,		1},	/* Dao Shuai (Asia) (Unl) */
 	{0x9bde3267,	  3,		1},	/* Adventures of Dino Riki */
 	{0xd8eff0df,	  3,		1},	/* Gradius (J) */
 	{0x1d41cc8c,	  3,		1},	/* Gyruss */
diff --git a/src/ines.c b/src/ines.c
index e08e433..3721b3a 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -600,9 +600,9 @@ static BMAPPINGLocal bmap[] = {
 	{(uint8_t*)"NAMCOT 108 Rev. C",	206, Mapper206_Init},	// Deprecated, Used to be "DEIROM" whatever it means, but actually simple version of MMC3
 	{(uint8_t*)"TAITO X1-005 Rev. B",	207, Mapper207_Init},
 	{(uint8_t*)"",					208, Mapper208_Init},
-	{(uint8_t*)"",					209, Mapper209_Init},
+	{(uint8_t*)"HUMMER/JY BOARD",	209, Mapper209_Init},
 	{(uint8_t*)"",					210, Mapper210_Init},
-	{(uint8_t*)"",					211, Mapper211_Init},
+	{(uint8_t*)"HUMMER/JY BOARD",	211, Mapper211_Init},
 	{(uint8_t*)"",					212, Mapper212_Init},
 	{(uint8_t*)"",					213, Mapper213_Init},
 	{(uint8_t*)"",					214, Mapper214_Init},