diff --git a/src/boards/01-222.c b/src/boards/01-222.c
deleted file mode 100644
index 22eea70..0000000
--- a/src/boards/01-222.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- *  Copyright (C) 2006 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
- *
- * TXC mappers, originally much complex banksitching
- *
- * 01-22111-000 (05-00002-010) (132, 22211) - MGC-001 Qi Wang
- * 01-22110-000 (52S         )              - MGC-002 2-in-1 Gun
- * 01-22111-100 (02-00002-010) (173       ) - MGC-008 Mahjong Block
- *                             (079       ) - MGC-012 Poke Block
- * 01-22110-200 (05-00002-010) (036       ) - MGC-014 Strike Wolf
- * 01-22000-400 (05-00002-010) (036       ) - MGC-015 Policeman
- * 01-22017-000 (05-PT017-080) (189       ) - MGC-017 Thunder Warrior
- * 01-11160-000 (04-02310-000) (   , 11160) - MGC-023 6-in-1
- * 01-22270-000 (05-00002-010) (132, 22211) - MGC-xxx Creatom
- * 01-22200-400 (------------) (079       ) - ET.03   F-15 City War
- *                             (172       ) -         1991 Du Ma Racing
- *
- */
-
-#include "mapinc.h"
-
-static uint8 reg[4], cmd, is172, is173;
-static SFORMAT StateRegs[] =
-{
-	{ reg, 4, "REGS" },
-	{ &cmd, 1, "CMD" },
-	{ 0 }
-};
-
-static void Sync(void) {
-	setprg32(0x8000, (reg[2] >> 2) & 1);
-	if (is172)
-		setchr8((((cmd ^ reg[2]) >> 3) & 2) | (((cmd ^ reg[2]) >> 5) & 1));	/* 1991 DU MA Racing probably CHR bank sequence is WRONG, so it is possible to
-																			 * rearrange CHR banks for normal UNIF board and mapper 172 is unneccessary */
-	else
-		setchr8(reg[2] & 3);
-}
-
-static DECLFW(UNL22211WriteLo) {
-/*	FCEU_printf("bs %04x %02x\n",A,V); */
-	reg[A & 3] = V;
-}
-
-static DECLFW(UNL22211WriteHi) {
-/*	FCEU_printf("bs %04x %02x\n",A,V); */
-	cmd = V;
-	Sync();
-}
-
-static DECLFR(UNL22211ReadLo) {
-	return (reg[1] ^ reg[2]) | (is173 ? 0x01 : 0x40);
-#if 0
-	if(reg[3])
-		return reg[2];
-	else
-		return X.DB;
-#endif
-}
-
-static void UNL22211Power(void) {
-	Sync();
-	SetReadHandler(0x8000, 0xFFFF, CartBR);
-	SetReadHandler(0x4100, 0x4100, UNL22211ReadLo);
-	SetWriteHandler(0x4100, 0x4103, UNL22211WriteLo);
-	SetWriteHandler(0x8000, 0xFFFF, UNL22211WriteHi);
-}
-
-static void StateRestore(int version) {
-	Sync();
-}
-
-void UNL22211_Init(CartInfo *info) {
-	is172 = 0;
-	is173 = 0;
-	info->Power = UNL22211Power;
-	GameStateRestore = StateRestore;
-	AddExState(&StateRegs, ~0, 0, 0);
-}
-
-void Mapper172_Init(CartInfo *info) {
-	is172 = 1;
-	is173 = 0;
-	info->Power = UNL22211Power;
-	GameStateRestore = StateRestore;
-	AddExState(&StateRegs, ~0, 0, 0);
-}
-
-void Mapper173_Init(CartInfo *info) {
-	is172 = 0;
-	is173 = 1;
-	info->Power = UNL22211Power;
-	GameStateRestore = StateRestore;
-	AddExState(&StateRegs, ~0, 0, 0);
-}
-
diff --git a/src/boards/36.c b/src/boards/36.c
deleted file mode 100644
index afc1c87..0000000
--- a/src/boards/36.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* FCEUmm - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- *  Copyright (C) 2012 CaH4e3
- *  Copyright (C) 2019 Libretro Team
- *
- * 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
- *
- * TXC/Micro Genius simplified mapper
- * updated 06-2019 http://wiki.nesdev.com/w/index.php/INES_Mapper_036
- *
- * Known games:
- * - Strike Wolf (Asia) (Unl)
- * - Policeman (Gluk Video) (unl)
- * - F-15 City War (Spain) (Gluk Video) (Unl)
- */
-
-#include "mapinc.h"
-
-static uint8 regs[5];
-
-static SFORMAT StateRegs[] =
-{
-	{ regs, 5, "REGS" },
-	{ 0 }
-};
-
-static void Sync(void) {
-	setprg32(0x8000, regs[0] >> 4);
-	setchr8(regs[4] & 0x0F);
-}
-
-static DECLFW(M36Write4100) {
-	switch(A & 0xE103) {
-	case 0x4100:
-		if(regs[3] & 0x10)
-			regs[0]++;
-		else
-			regs[0] = regs[2];
-		break;
-	case 0x4101:
-	case 0x4102:
-	case 0x4103:
-		regs[A & 0x03] = V;
-		break;
-	}
-}
-
-static DECLFW(M36Write4200) {
-	regs[4] = V;
-	Sync();
-}
-
-static DECLFW(M36WriteHi) {
-	Sync();
-}
-
-static DECLFR(M36Read) {
-	return ((X.DB & 0xCF) | (regs[0] & 0x30));
-}
-
-static void M36Power(void) {
-	Sync();
-	SetReadHandler(0x4100, 0x4100, M36Read);
-	SetReadHandler(0x8000, 0xFFFF, CartBR);
-	SetWriteHandler(0x4100, 0x4103, M36Write4100);
-	SetWriteHandler(0x4200, 0x4200, M36Write4200);
-	SetWriteHandler(0x8000, 0xFFFF, M36WriteHi);
-}
-
-static void M36Restore(int version) {
-	Sync();
-}
-
-void Mapper36_Init(CartInfo *info) {
-	info->Power = M36Power;
-	GameStateRestore = M36Restore;
-	AddExState(StateRegs, ~0, 0, 0);
-}
diff --git a/src/boards/sachen.c b/src/boards/sachen.c
index bc79786..fdfd7aa 100644
--- a/src/boards/sachen.c
+++ b/src/boards/sachen.c
@@ -322,73 +322,6 @@ void SA0037_Init(CartInfo *info) {
 	AddExState(&latch[0], 1, 0, "LATC");
 }
 
-/* ----------------------------------------------- */
-
-static void TCU01Synco() {
-	setprg32(0x8000, ((latch[0] & 0x80) >> 6) | ((latch[0] >> 2) & 1));
-	setchr8((latch[0] >> 3) & 0xF);
-}
-
-static DECLFW(TCU01Write) {
-	if ((A & 0x103) == 0x102) {
-		latch[0] = V;
-		TCU01Synco();
-	}
-}
-
-static void TCU01Power(void) {
-	latch[0] = 0;
-	SetReadHandler(0x8000, 0xFFFF, CartBR);
-	SetWriteHandler(0x4100, 0xFFFF, TCU01Write);
-	TCU01Synco();
-}
-
-static void TCU01Restore(int version) {
-	TCU01Synco();
-}
-
-void TCU01_Init(CartInfo *info) {
-	GameStateRestore = TCU01Restore;
-	info->Power = TCU01Power;
-	AddExState(&latch[0], 1, 0, "LATC");
-}
-
-/* ----------------------------------------------- */
-
-static void TCU02Synco() {
-	setprg32(0x8000, 0);
-	setchr8(latch[0] & 3);
-}
-
-static DECLFW(TCU02Write) {
-	if ((A & 0x103) == 0x102) {
-		latch[0] = V + 3;
-		TCU02Synco();
-	}
-}
-
-static DECLFR(TCU02Read) {
-	return (latch[0] & 0x3F) | (X.DB & 0xC0);
-}
-
-static void TCU02Power(void) {
-	latch[0] = 0;
-	SetReadHandler(0x8000, 0xFFFF, CartBR);
-	SetReadHandler(0x4100, 0x4100, TCU02Read);
-	SetWriteHandler(0x4100, 0xFFFF, TCU02Write);
-	TCU02Synco();
-}
-
-static void TCU02Restore(int version) {
-	TCU02Synco();
-}
-
-void TCU02_Init(CartInfo *info) {
-	GameStateRestore = TCU02Restore;
-	info->Power = TCU02Power;
-	AddExState(&latch[0], 1, 0, "LATC");
-}
-
 /* --------------------------------------------- */
 
 static DECLFR(TCA01Read) {
diff --git a/src/boards/txcchip.c b/src/boards/txcchip.c
new file mode 100644
index 0000000..d2c0ab8
--- /dev/null
+++ b/src/boards/txcchip.c
@@ -0,0 +1,407 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2012 CaH4e3
+ *  Copyright (C) 2019 Libretro Team
+ *  Copyright (C) 2020 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
+ *
+ * TXC/Micro Genius simplified mapper
+ * updated 06-2019 http://wiki.nesdev.com/w/index.php/INES_Mapper_036
+ *
+ * Known games:
+ * - Strike Wolf (Asia) (Unl)
+ * - Policeman (Gluk Video) (unl)
+ * - F-15 City War (Spain) (Gluk Video) (Unl)
+ *
+ * TXC mappers, originally much complex banksitching
+ *
+ * 01-22111-000 (05-00002-010) (132, 22211) - MGC-001 Qi Wang
+ * 01-22110-000 (52S         )              - MGC-002 2-in-1 Gun
+ * 01-22111-100 (02-00002-010) (173       ) - MGC-008 Mahjong Block
+ *                             (079       ) - MGC-012 Poke Block
+ * 01-22110-200 (05-00002-010) (036       ) - MGC-014 Strike Wolf
+ * 01-22000-400 (05-00002-010) (036       ) - MGC-015 Policeman
+ * 01-22017-000 (05-PT017-080) (189       ) - MGC-017 Thunder Warrior
+ * 01-11160-000 (04-02310-000) (   , 11160) - MGC-023 6-in-1
+ * 01-22270-000 (05-00002-010) (132, 22211) - MGC-xxx Creatom
+ * 01-22200-400 (------------) (079       ) - ET.03   F-15 City War
+ *                             (172       ) -         1991 Du Ma Racing
+ *
+ */
+
+/* added 2020-2-16
+ * Updated based on latest source
+ * Mappers 36, 132, 173
+ * Mappers 136, 147, 172
+ */
+
+#include "mapinc.h"
+
+typedef struct {
+	uint8 mask;
+	uint8 isJV001;
+	uint8 accumulator;
+	uint8 inverter;
+	uint8 staging;
+	uint8 output;
+	uint8 increase;
+	uint8 Y;
+	uint8 invert;
+} TXC;
+
+static TXC txc;
+
+static void (*WSync)(void);
+
+static SFORMAT StateRegs[] =
+{
+	{ &txc.accumulator, 1, "ACC0" },
+	{ &txc.inverter,    1, "INVR" },
+	{ &txc.staging,     1, "STG0" },
+	{ &txc.output,      1, "OUT0" },
+	{ &txc.increase,    1, "INC0" },
+	{ &txc.Y,        1, "YFLG" },
+	{ &txc.invert,      1, "INVT" },
+	{ 0 }
+};
+
+static uint8 TXC_CMDRead(void) {
+	uint8 ret = ((txc.accumulator & txc.mask) | ((txc.inverter ^ txc.invert) & ~txc.mask));
+	txc.Y = !txc.invert || ((ret & 0x10) != 0);
+	WSync();
+	return ret;
+}
+
+static DECLFW(TXC_CMDWrite) {
+	if (A & 0x8000) {
+		if (txc.isJV001)
+			txc.output = (txc.accumulator & 0x0F) | (txc.inverter & 0xF0);
+		else
+			txc.output = (txc.accumulator & 0x0F) | ((txc.inverter << 1) & 0x10);
+	} else {
+		switch (A & 0x103) {
+		case 0x100:
+			if (txc.increase)
+				txc.accumulator++;
+			else
+				txc.accumulator = ((txc.accumulator & ~txc.mask) | (txc.staging ^ txc.invert) & txc.mask);
+			break;
+		case 0x101:
+			txc.invert = (V & 0x01) ? 0xFF : 0x00;
+			break;
+		case 0x102:
+			txc.staging = V & txc.mask;
+			txc.inverter = V & ~txc.mask;
+			break;
+		case 0x103:
+			txc.increase = ((V & 0x01) != 0);
+			break;
+		}
+	}
+	txc.Y = !txc.invert || ((V & 0x10) != 0);
+	WSync();
+}
+
+static void TXCRegReset(void) {
+	txc.output      = 0;
+	txc.accumulator = 0;
+	txc.inverter    = 0;
+	txc.staging     = 0;
+	txc.increase    = 0;
+	txc.Y       = 0;
+	txc.mask        = txc.isJV001 ? 0x0F : 0x07;
+	txc.invert      = txc.isJV001 ? 0xFF : 0x00;
+
+	WSync();
+}
+
+static void GenTXCPower(void) {
+	TXCRegReset();
+}
+
+static void TXCClose(void) {
+}
+
+static void StateRestore(int version) {
+	WSync();
+}
+
+static void GenTXC_Init(CartInfo *info, void (*proc)(void), uint32 jv001) {
+	txc.isJV001 = jv001;
+	WSync   = proc;
+	GameStateRestore = StateRestore;
+	AddExState(StateRegs, ~0, 0, 0);
+}
+
+static int CheckHash(CartInfo *info) {
+	int x, i = 0;
+	uint64 partialmd5 = 0;
+
+	/* These carts do not work with new mapper implementation.
+	 * This is a hack to use previous mapper implementation for such carts. */
+	for (x = 0; x < 8; x++)
+		partialmd5 |= (uint64)info->MD5[15 - x] << (x * 8);
+	switch (partialmd5) {
+	case 0x2dd8f958850f21f4LL: /* Jin Gwok Sei Chuen Saang (Ch) [U][!] */
+		FCEU_printf(" WARNING: Using alternate mapper implementation.\n");
+		UNL22211_Init(info);
+		return 1;
+	}
+	return 0;
+}
+
+/* --------------- Mapper 36 --------------- */
+
+static uint8 creg = 0;
+
+static void M36Sync(void) {
+	setprg32(0x8000, txc.output & 0x03);
+	setchr8(creg & 0x0F);
+}
+
+static DECLFW(M36Write) {
+	if ((A & 0xF200) == 0x4200) creg = V;
+	TXC_CMDWrite(A, (V >> 4) & 0x03);
+}
+
+static DECLFR(M36Read) {
+	uint8 ret = X.DB;
+	if ((A & 0x103) == 0x100)
+		ret = (X.DB & 0xCF) | ((TXC_CMDRead() << 4) & 0x30);
+	return ret;
+}
+
+static void M36Power(void) {
+	creg = 0;
+	GenTXCPower();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x5FFF, M36Read);
+	SetWriteHandler(0x4100, 0xFFFF, M36Write);
+}
+
+void Mapper36_Init(CartInfo *info) {
+	GenTXC_Init(info, M36Sync, 0);
+	info->Power = M36Power;
+	AddExState(&creg, 1, 0, "CREG");
+}
+
+/* --------------- Mapper 132 --------------- */
+
+static void M132Sync(void) {
+	setprg32(0x8000, (txc.output >> 2) & 0x01);
+	setchr8(txc.output & 0x03);
+}
+
+static DECLFW(M132Write) {
+	TXC_CMDWrite(A, V & 0x0F);
+}
+
+static DECLFR(M132Read) {
+	uint8 ret = X.DB;
+	if ((A & 0x103) == 0x100)
+		ret = ((X.DB & 0xF0) | (TXC_CMDRead() & 0x0F));
+	return ret;
+}
+
+static void M132Power(void) {
+	GenTXCPower();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x5FFF, M132Read);
+	SetWriteHandler(0x4100, 0xFFFF, M132Write);
+}
+
+void Mapper132_Init(CartInfo *info) {
+	if (CheckHash(info) != 0) return;
+	GenTXC_Init(info, M132Sync, 0);
+	info->Power = M132Power;
+}
+
+/* --------------- Mapper 173 --------------- */
+
+static void M173Sync(void) {
+	setprg32(0x8000, 0);
+	if (CHRsize[0] > 0x2000)
+		setchr8(((txc.output & 0x01) | (txc.Y ? 0x02 : 0x00) | ((txc.output & 2) << 0x01)));
+	else
+		setchr8(0);
+}
+
+void Mapper173_Init(CartInfo *info) {
+	GenTXC_Init(info, M173Sync, 0);
+	info->Power = M132Power;
+}
+
+/* ---------------- Joy/Van ----------------- */
+
+/* --------------- Mapper 136 --------------- */
+
+static void M136Sync(void) {
+	setprg32(0x8000, (txc.output >> 4) & 0x01);
+	setchr8(txc.output & 0x07);
+}
+
+static DECLFW(M136Write) {
+	TXC_CMDWrite(A, V & 0x3F);
+}
+
+static DECLFR(M136Read) {
+	uint8 ret = X.DB;
+	if ((A & 0x103) == 0x100)
+		ret = ((X.DB & 0xC0) | (TXC_CMDRead() & 0x3F));
+	return ret;
+}
+
+static void M136Power(void) {
+	GenTXCPower();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x5FFF, M136Read);
+	SetWriteHandler(0x4100, 0xFFFF, M136Write);
+}
+
+void Mapper136_Init(CartInfo *info) {
+	GenTXC_Init(info, M136Sync, 1);
+	info->Power = M136Power;
+}
+
+/* --------------- Mapper 147 --------------- */
+
+static void M147Sync(void) {
+	setprg32(0x8000, ((txc.output >> 4) & 0x02) | (txc.output & 0x01));
+	setchr8((txc.output >> 1) & 0x0F);
+}
+
+static DECLFW(M147Write) {
+	TXC_CMDWrite(A, ((V >> 2) & 0x3F) | ((V << 6) & 0xC0));
+}
+
+static DECLFR(M147Read) {
+	uint8 ret = X.DB;
+	if ((A & 0x103) == 0x100) {
+		uint8 value = TXC_CMDRead();
+		ret = ((value << 2) & 0xFC) | ((value >> 6) & 0x03);
+	}
+	return ret;
+}
+
+static void M147Power(void) {
+	GenTXCPower();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x5FFF, M147Read);
+	SetWriteHandler(0x4100, 0xFFFF, M147Write);
+}
+
+void Mapper147_Init(CartInfo *info) {
+	GenTXC_Init(info, M147Sync, 1);
+	info->Power = M147Power;
+}
+
+/* --------------- Mapper 172 --------------- */
+
+static void M172Sync(void) {
+	setprg32(0x8000, 0);
+	setchr8(txc.output);
+	setmirror(txc.invert ? 1 : 0);
+}
+
+static uint8 GetValue(uint8 value) {
+	return (((value << 5) & 0x20) | ((value << 3) & 0x10) | ((value << 1) & 0x08) |
+			((value >> 1) & 0x04) | ((value >> 3) & 0x02) | ((value >> 5) & 0x01));
+}
+
+static DECLFW(M172Write) {
+	TXC_CMDWrite(A, GetValue(V));
+}
+
+static DECLFR(M172Read) {
+	uint8 ret = X.DB;
+	if ((A & 0x103) == 0x100)
+		ret = (X.DB & 0xC0) | GetValue(TXC_CMDRead());
+	return ret;
+}
+
+static void M172Power(void) {
+	GenTXCPower();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x5FFF, M172Read);
+	SetWriteHandler(0x4100, 0xFFFF, M172Write);
+}
+
+void Mapper172_Init(CartInfo *info) {
+	GenTXC_Init(info, M172Sync, 1);
+	info->Power = M172Power;
+}
+
+/* === LEGACY MAPPER IMPLEMENTATION === */
+
+static uint8 reg[4], cmd, is172, is173;
+
+static SFORMAT UNL22211StateRegs[] =
+{
+	{ reg, 4, "REGS" },
+	{ &cmd, 1, "CMD" },
+	{ 0 }
+};
+
+static void UNL22211Sync(void) {
+	setprg32(0x8000, (reg[2] >> 2) & 1);
+	if (is172)
+		setchr8((((cmd ^ reg[2]) >> 3) & 2) | (((cmd ^ reg[2]) >> 5) & 1));	/* 1991 DU MA Racing probably CHR bank sequence is WRONG, so it is possible to
+																			 * rearrange CHR banks for normal UNIF board and mapper 172 is unneccessary */
+	else
+		setchr8(reg[2] & 3);
+}
+
+static DECLFW(UNL22211WriteLo) {
+/*	FCEU_printf("bs %04x %02x\n",A,V); */
+	reg[A & 3] = V;
+}
+
+static DECLFW(UNL22211WriteHi) {
+/*	FCEU_printf("bs %04x %02x\n",A,V); */
+	cmd = V;
+	UNL22211Sync();
+}
+
+static DECLFR(UNL22211ReadLo) {
+	return (reg[1] ^ reg[2]) | (is173 ? 0x01 : 0x40);
+#if 0
+	if(reg[3])
+		return reg[2];
+	else
+		return X.DB;
+#endif
+}
+
+static void UNL22211Power(void) {
+	UNL22211Sync();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetReadHandler(0x4100, 0x4100, UNL22211ReadLo);
+	SetWriteHandler(0x4100, 0x4103, UNL22211WriteLo);
+	SetWriteHandler(0x8000, 0xFFFF, UNL22211WriteHi);
+}
+
+static void UNL22211StateRestore(int version) {
+	UNL22211Sync();
+}
+
+void UNL22211_Init(CartInfo *info) {
+	is172 = 0;
+	is173 = 0;
+	info->Power = UNL22211Power;
+	GameStateRestore = UNL22211StateRestore;
+	AddExState(&UNL22211StateRegs, ~0, 0, 0);
+}
diff --git a/src/ines-correct.h b/src/ines-correct.h
index b18c35f..f2d4cb2 100644
--- a/src/ines-correct.h
+++ b/src/ines-correct.h
@@ -359,6 +359,14 @@
 	{0xa3ac0095,    189,       -1}, /* Street Fighter II - The World Warrior (Unl) [a2].nes */
 	{0xeced5899,    121,       -1}, /* Ultimate Mortal Kombat 4 (Unl) [!].nes */
 
+	/* TXC / Sachen / JoyVan */
+
+	/* This cart does not work anymore with latest mapper implementation.
+	 * This will be run using alternate mapper using override in m132 */
+	{0x2a5f4c5a,    132,       -1}, /* /Zhan Guo Si Chuan Sheng (C&E) (Unl).nes */
+
+	{0x0acfc3cd,    132,       -1}, /* Mahjong Block (MGC-008) (Unl) [!].nes */
+
 	/* ines mappers that uses iNes 2.0 numbers */
 
 	{0xf6bd8e31,    281,        0}, /* 1997 Super HIK 4-in-1 (JY-052) [p1][!] */
diff --git a/src/ines.c b/src/ines.c
index 7b24030..061f5f6 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -526,12 +526,12 @@ static BMAPPINGLocal bmap[] = {
 /*	{(uint8_t*)"",					129, Mapper129_Init}, */
 /*	{(uint8_t*)"",					130, Mapper130_Init}, */
 /*	{(uint8_t*)"",					131, Mapper131_Init}, */
-	{(uint8_t*)"TXC/MGENIUS 22111",	132, UNL22211_Init},
+	{(uint8_t*)"TXC/UNL-22211",		132, Mapper132_Init},
 	{(uint8_t*)"SA72008",				133, SA72008_Init},
 /*	{(uint8_t*)"MMC3 BMC PIRATE",		134, Mapper134_Init}, */
 	{(uint8_t*)"MMC3 BMC PIRATE",		134, Bs5652_Init},
 /*	{(uint8_t*)"",					135, Mapper135_Init}, */
-	{(uint8_t*)"TCU02",				136, TCU02_Init},
+	{(uint8_t*)"Sachen 3011",			136, Mapper136_Init},
 	{(uint8_t*)"S8259D",				137, S8259D_Init},
 	{(uint8_t*)"S8259B",				138, S8259B_Init},
 	{(uint8_t*)"S8259C",				139, S8259C_Init},
@@ -542,7 +542,7 @@ static BMAPPINGLocal bmap[] = {
 	{(uint8_t*)"AGCI 50282",			144, Mapper144_Init},
 	{(uint8_t*)"SA72007",				145, SA72007_Init},
 	{(uint8_t*)"SA0161M",				146, SA0161M_Init},
-	{(uint8_t*)"TCU01",				147, TCU01_Init},
+	{(uint8_t*)"Sachen 3018 board",		147, Mapper147_Init},
 	{(uint8_t*)"SA0037",				148, SA0037_Init},
 	{(uint8_t*)"SA0036",				149, SA0036_Init},
 	{(uint8_t*)"SA-015/SA-630",			150, S74LS374N_Init},
@@ -567,8 +567,8 @@ static BMAPPINGLocal bmap[] = {
 /*	{(uint8_t*)"",					169, Mapper169_Init}, */
 	{(uint8_t*)"",					170, Mapper170_Init},
 	{(uint8_t*)"",					171, Mapper171_Init},
-	{(uint8_t*)"",					172, Mapper172_Init},
-	{(uint8_t*)"",					173, Mapper173_Init},
+	{(uint8_t*)"Super Mega P-4070",	172, Mapper172_Init},
+	{(uint8_t*)"Idea-Tek ET.xx",	173, Mapper173_Init},
 /*	{(uint8_t*)"",					174, Mapper174_Init}, */
 	{(uint8_t*)"",					175, Mapper175_Init},
 	{(uint8_t*)"BMCFK23C",			176, BMCFK23C_Init},	/* zero 26-may-2012 - well, i have some WXN junk games that use 176 for instance ????. i dont know what game uses this BMCFK23C as mapper 176. we'll have to make a note when we find it. */
diff --git a/src/ines.h b/src/ines.h
index d54c8b1..6f37f89 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -148,9 +148,12 @@ void Mapper120_Init(CartInfo *);
 void Mapper121_Init(CartInfo *);
 void Mapper125_Init(CartInfo *);
 void Mapper126_Init(CartInfo *);
+void Mapper132_Init(CartInfo *);
 void Mapper134_Init(CartInfo *);
+void Mapper136_Init(CartInfo *);
 void Mapper140_Init(CartInfo *);
 void Mapper144_Init(CartInfo *);
+void Mapper147_Init(CartInfo *);
 void Mapper151_Init(CartInfo *);
 void Mapper152_Init(CartInfo *);
 void Mapper153_Init(CartInfo *);
diff --git a/src/unif.c b/src/unif.c
index 82d91f0..674d240 100644
--- a/src/unif.c
+++ b/src/unif.c
@@ -418,7 +418,7 @@ static BMAPPING bmap[] = {
 	{ "12-IN-1",  331, BMC12IN1_Init, 0 },
 	{ "13in1JY110", 295, BMC13in1JY110_Init, 0 },
 	{ "190in1", 300, BMC190in1_Init, 0 },
-	{ "22211", 132, UNL22211_Init, 0 },
+	{ "22211", 132, Mapper132_Init, 0 },
 	{ "3D-BLOCK", 355, UNL3DBlock_Init, 0 },
 	{ "411120-C", 287, BMC411120C_Init, 0 },
 	{ "42in1ResetSwitch", 233, Mapper233_Init, 0 },
@@ -493,7 +493,7 @@ static BMAPPING bmap[] = {
 	{ "PEC-586", NO_INES, UNLPEC586Init, 0 },
 	{ "RROM", 0, NROM_Init, 0 },
 	{ "RROM-128", 0, NROM_Init, 0 },
-	{ "SA-002", 136, TCU02_Init, 0 },
+	{ "SA-002", 136, Mapper136_Init, 0 },
 	{ "SA-0036", 149, SA0036_Init, 0 },
 	{ "SA-0037", 148, SA0037_Init, 0 },
 	{ "SA-009", 160, SA009_Init, 0 },
@@ -532,7 +532,7 @@ static BMAPPING bmap[] = {
 	{ "T-230", 529, UNLT230_Init, 0 },
 	{ "T-262", 265, BMCT262_Init, 0 },
 	{ "TBROM", 4, TBROM_Init, 0 },
-	{ "TC-U01-1.5M", 147, TCU01_Init, 0 },
+	{ "TC-U01-1.5M", 147, Mapper147_Init, 0 },
 	{ "TEK90", 90, Mapper90_Init, 0 },
 	{ "TEROM", 4, TEROM_Init, 0 },
 	{ "TF1201", 298, UNLTF1201_Init, 0 },
diff --git a/src/unif.h b/src/unif.h
index b7dce10..bc2b4da 100644
--- a/src/unif.h
+++ b/src/unif.h
@@ -94,8 +94,6 @@ void Super24_Init(CartInfo *info);
 void Supervision16_Init(CartInfo *info);
 void TBROM_Init(CartInfo *info);
 void TCA01_Init(CartInfo *info);
-void TCU01_Init(CartInfo *info);
-void TCU02_Init(CartInfo *info);
 void TEROM_Init(CartInfo *info);
 void TFROM_Init(CartInfo *info);
 void TGROM_Init(CartInfo *info);