diff --git a/src/boards/326.c b/src/boards/326.c
new file mode 100644
index 0000000..d15a6ff
--- /dev/null
+++ b/src/boards/326.c
@@ -0,0 +1,98 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2022 negativeExponent
+ *
+ * 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
+ *
+ * NES 2.0 Mapper 326 is used for a bootleg version of Contra/Gryzor.
+ * as implemented from
+ * http://forums.nesdev.org/viewtopic.php?f=9&t=17352&p=218722#p218722
+ */
+
+#include "mapinc.h"
+
+static uint8 PRG[3], CHR[8], NTAPage[4];
+
+static SFORMAT StateRegs[] =
+{
+	{ PRG, 3, "PRG" },
+	{ CHR, 8, "CHR" },
+	{ NTAPage, 4, "NT" },
+	{ 0 }
+};
+
+static void SyncPRG(void) {
+	setprg8(0x8000, PRG[0]);
+	setprg8(0xA000, PRG[1]);
+	setprg8(0xC000, PRG[2]);
+	setprg8(0xE000, ~0);
+}
+
+static void DoCHR(int x, uint8 V) {
+	CHR[x] = V;
+	setchr1(x << 10, V);
+}
+
+static void FixCHR(void) {
+	int x;
+	for (x = 0; x < 8; x++)
+		DoCHR(x, CHR[x]);
+}
+
+static void FASTAPASS(2) DoNTARAM(int w, uint8 V) {
+	NTAPage[w] = V;
+	setntamem(NTARAM + ((V & 1) << 10), 1, w);
+}
+
+static void FixNTAR(void) {
+	int x;
+	for (x = 0; x < 4; x++)
+		DoNTARAM(x, NTAPage[x]);
+}
+
+static DECLFW(M326Write) {
+	switch (A & 0xE010) {
+	case 0x8000: PRG[0] = V; SyncPRG(); break;
+	case 0xA000: PRG[1] = V; SyncPRG(); break;
+	case 0xC000: PRG[2] = V; SyncPRG(); break;
+	}
+
+	A &= 0x801F;
+	if ((A >= 0x8010) && (A <= 0x8017))
+		DoCHR(A - 0x8010, V);
+	else if ((A >= 0x8018) && (A <= 0x801B))
+		DoNTARAM(A - 0x8018, V);
+}
+
+static void M326Power(void) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M326Write);
+}
+
+static void StateRestore(int version) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+}
+
+void Mapper326_Init(CartInfo *info) {
+	info->Power = M326Power;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}
diff --git a/src/boards/330.c b/src/boards/330.c
new file mode 100644
index 0000000..e2012c6
--- /dev/null
+++ b/src/boards/330.c
@@ -0,0 +1,137 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2022 negativeExponent
+ *
+ * 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
+ *
+ * NES 2.0 Mapper 330 is used for a bootleg version of Contra/Gryzor.
+ * as implemented from
+ * http://forums.nesdev.org/viewtopic.php?f=9&t=17352&p=218722#p218722
+ */
+
+#include "mapinc.h"
+
+static uint8 *WRAM;
+
+static uint8 PRG[3], CHR[8], NTAPage[4];
+static uint8 IRQa;
+static uint16 IRQCount;
+
+static SFORMAT StateRegs[] =
+{
+	{ PRG, 3, "PRG" },
+	{ CHR, 8, "CHR" },
+	{ NTAPage, 4, "NT" },
+	{ &IRQa, 1, "IRQA" },
+	{ &IRQCount, 2, "IRQC" },
+	{ 0 }
+};
+
+static void SyncPRG(void) {
+	setprg8(0x8000, PRG[0]);
+	setprg8(0xA000, PRG[1]);
+	setprg8(0xC000, PRG[2]);
+	setprg8(0xE000, ~0);
+}
+
+static void DoCHR(int x, uint8 V) {
+	CHR[x] = V;
+	setchr1(x << 10, V);
+}
+
+static void FixCHR(void) {
+	int x;
+	for (x = 0; x < 8; x++)
+		DoCHR(x, CHR[x]);
+}
+
+static void FASTAPASS(2) DoNTARAM(int w, uint8 V) {
+	NTAPage[w] = V;
+	setntamem(NTARAM + ((V & 1) << 10), 1, w);
+}
+
+static void FixNTAR(void) {
+	int x;
+	for (x = 0; x < 4; x++)
+		DoNTARAM(x, NTAPage[x]);
+}
+
+static DECLFW(M330Write) {
+	if (!(A & 0x400)) {
+		if (A >= 0x8000 && A <= 0xB800)
+			DoCHR((A - 0x8000) >> 11, V);
+		else if (A >= 0xC000 && A <= 0xD800)
+			DoNTARAM((A - 0xC000) >> 11, V);
+		else if (A >= 0xE000 && A <= 0xF000) {
+			PRG[(A - 0xE000) >> 11] = V;
+			SyncPRG();
+		}
+	} else if ((A < 0xC000) && !(A & 0x4000)) {
+		if (A & 0x2000) {
+			IRQCount &= 0x00FF;
+			IRQCount |= (V & 0x7F) << 8;
+			IRQa = V & 0x80;
+			X6502_IRQEnd(FCEU_IQEXT);
+		} else {
+			IRQCount &= 0xFF00;
+			IRQCount |= V;
+		}
+	}
+}
+
+static void M330Power(void) {
+	int i;
+	for (i = 0; i < 4; i++)
+		PRG[i] = i;
+	for (i = 0; i < 8; i++)
+		CHR[i] = i;
+	for (i = 0; i < 4; i++)
+		NTAPage[i] = ~0;
+	IRQa = 0;
+	IRQCount = 0;
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+	SetReadHandler(0x6000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M330Write);
+}
+
+static void FP_FASTAPASS(1) M330IRQHook(int a) {
+	if (IRQa) {
+		IRQCount += a;
+		if (IRQCount > 0x7FFF) {
+			X6502_IRQBegin(FCEU_IQEXT);
+			IRQa = 0;
+			IRQCount = 0;
+		}
+	}
+}
+
+static void StateRestore(int version) {
+	SyncPRG();
+	FixCHR();
+	FixNTAR();
+}
+
+void Mapper330_Init(CartInfo *info) {
+	info->Power = M330Power;
+	MapIRQHook = M330IRQHook;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+	WRAM = (uint8 *)FCEU_gmalloc(8192);
+	SetupCartPRGMapping(0x10, WRAM, 8192, 1);
+	AddExState(WRAM, 8192, 0, "WRAM");
+}
diff --git a/src/ines.c b/src/ines.c
index 575ac88..a29539e 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -730,9 +730,11 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "FARID_SLROM_8-IN-1",       323, FARIDSLROM8IN1_Init    )
 	INES_BOARD( "FARID_UNROM_8-IN-1",       324, FARIDUNROM_Init        )
 	INES_BOARD( "MALISB",                   325, UNLMaliSB_Init         )
+	INES_BOARD( "Contra/Gryzor",            326, Mapper326_Init         )
 	INES_BOARD( "10-24-C-A1",               327, BMC1024CA1_Init        )
 	INES_BOARD( "RT-01",                    328, UNLRT01_Init           )
 	INES_BOARD( "EDU2000",                  329, UNLEDU2000_Init        )
+	INES_BOARD( "Sangokushi II: Haō no Tairiku", 330, Mapper330_Init    )
 	INES_BOARD( "12-IN-1",                  331, BMC12IN1_Init          )
 	INES_BOARD( "WS",                       332, BMCWS_Init             )
 	INES_BOARD( "NEWSTAR-GRM070-8IN1",      333, BMC8IN1_Init           )
diff --git a/src/ines.h b/src/ines.h
index 0671d68..2b70cb9 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -264,6 +264,8 @@ void Mapper288_Init(CartInfo *);
 void Mapper293_Init(CartInfo *);
 void Mapper297_Init(CartInfo *);
 void Mapper319_Init(CartInfo *);
+void Mapper326_Init(CartInfo *);
+void Mapper330_Init(CartInfo *);
 void Mapper334_Init(CartInfo *);
 void Mapper353_Init(CartInfo *);
 void Mapper356_Init(CartInfo *);