diff --git a/trunk/src/boards/158B.cpp b/trunk/src/boards/158B.cpp
new file mode 100644
index 00000000..eda3bc0b
--- /dev/null
+++ b/trunk/src/boards/158B.cpp
@@ -0,0 +1,71 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2015 CaH4e3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * "Blood Of Jurassic" protected MMC3 based board (GD-98 Cart ID, 158B PCB ID)
+ *
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static uint8 lut[8] = { 0x00, 0x00, 0x00, 0x01, 0x02, 0x04, 0x0F, 0x00 };
+
+static void UNL158BPW(uint32 A, uint8 V) {
+	if (EXPREGS[0] & 0x80) {
+		uint32 bank = EXPREGS[0] & 7; 
+		if(EXPREGS[0] & 0x20) { // 32Kb mode
+			setprg32(0x8000, bank >> 1);
+		} else {				// 16Kb mode
+			setprg16(0x8000, bank);
+			setprg16(0xC000, bank);
+		}
+	} else {
+		setprg8(A, V & 0xF);
+	}
+}
+
+static DECLFW(UNL158BProtWrite) {
+	EXPREGS[A & 7] = V;
+	switch(A & 7) {
+	case 0:
+		FixMMC3PRG(MMC3_cmd);
+		break;
+	case 7:
+		FCEU_printf("UNK PROT WRITE\n");
+		break;
+	}
+
+}
+
+static DECLFR(UNL158BProtRead) {
+	return X.DB | lut[A & 7];
+}
+
+static void UNL158BPower(void) {
+	GenMMC3Power();
+	SetWriteHandler(0x5000, 0x5FFF, UNL158BProtWrite);
+	SetReadHandler(0x5000, 0x5FFF, UNL158BProtRead);
+}
+
+void UNL158B_Init(CartInfo *info) {
+	GenMMC3_Init(info, 128, 128, 0, 0);
+	pwrap = UNL158BPW;
+	info->Power = UNL158BPower;
+	AddExState(EXPREGS, 6, 0, "EXPR");
+}
diff --git a/trunk/src/unif.cpp b/trunk/src/unif.cpp
index 198b7d4e..938f0579 100644
--- a/trunk/src/unif.cpp
+++ b/trunk/src/unif.cpp
@@ -458,6 +458,7 @@ static BMAPPING bmap[] = {
 	{ "YOKO", UNLYOKO_Init, 0 },
 	{ "SB-2000", UNLSB2000_Init, 0 },
 	{ "COOLBOY", COOLBOY_Init, BMCFLAG_256KCHRR },
+	{ "158B", UNL158B_Init, 0 },
 
 	{ 0, 0, 0 }
 };
diff --git a/trunk/src/unif.h b/trunk/src/unif.h
index 1b690c38..c2030edf 100644
--- a/trunk/src/unif.h
+++ b/trunk/src/unif.h
@@ -146,6 +146,7 @@ void UNROM512_Init(CartInfo *info);
 void UNLSB2000_Init(CartInfo *info);
 void UNLKS7010_Init(CartInfo *info);
 void COOLBOY_Init(CartInfo *info);
+void UNL158B_Init(CartInfo *info);
 
 extern uint8 *UNIFchrrama;	// Meh.  So I can stop CHR RAM
 							// bank switcherooing with certain boards...
diff --git a/trunk/vc/vc10_fceux.vcxproj b/trunk/vc/vc10_fceux.vcxproj
index 2f8d0817..d2adf390 100644
--- a/trunk/vc/vc10_fceux.vcxproj
+++ b/trunk/vc/vc10_fceux.vcxproj
@@ -245,6 +245,7 @@
     <ClCompile Include="..\src\boards\15.cpp" />
     <ClCompile Include="..\src\boards\151.cpp" />
     <ClCompile Include="..\src\boards\156.cpp" />
+    <ClCompile Include="..\src\boards\158B.cpp" />
     <ClCompile Include="..\src\boards\164.cpp" />
     <ClCompile Include="..\src\boards\168.cpp" />
     <ClCompile Include="..\src\boards\170.cpp" />
diff --git a/trunk/vc/vc10_fceux.vcxproj.filters b/trunk/vc/vc10_fceux.vcxproj.filters
index bf156716..2b0733bb 100644
--- a/trunk/vc/vc10_fceux.vcxproj.filters
+++ b/trunk/vc/vc10_fceux.vcxproj.filters
@@ -1048,6 +1048,9 @@
     <ClCompile Include="..\src\boards\coolboy.cpp">
       <Filter>boards</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\boards\158B.cpp">
+      <Filter>boards</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\drivers\common\args.h">