diff --git a/src/boards/267.c b/src/boards/267.c
new file mode 100644
index 0000000..7993d1e
--- /dev/null
+++ b/src/boards/267.c
@@ -0,0 +1,60 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * 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.
+ */
+
+/* NES 2.0 Mapper 267 - 8-in-1 JY-119 */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+#define OUTER_BANK (((EXPREGS[0] & 0x20) >> 2) | (EXPREGS[0] & 0x06))
+
+static void M267CW(uint32 A, uint8 V) {
+    setchr1(A, (V & 0x7F) | (OUTER_BANK << 6));
+}
+
+static void M267PW(uint32 A, uint8 V) {
+    setprg8(A, (V & 0x1F) | (OUTER_BANK << 4));
+}
+
+static DECLFW(M267Write) {
+    EXPREGS[0] = V;
+	FixMMC3PRG(MMC3_cmd);
+	FixMMC3CHR(MMC3_cmd);
+}
+
+static void M267Reset(void) {
+	EXPREGS[0] = 0;
+	MMC3RegReset();
+}
+
+static void M267Power(void) {
+	EXPREGS[0] = 0;
+    GenMMC3Power();
+	SetWriteHandler(0x6000, 0x6FFF, M267Write);
+}
+
+void Mapper267_Init(CartInfo *info) {
+	GenMMC3_Init(info, 128, 128, 0, 0);
+	cwrap = M267CW;
+	pwrap = M267PW;
+	info->Reset = M267Reset;
+	info->Power = M267Power;
+	AddExState(EXPREGS, 4, 0, "EXPR");
+}
diff --git a/src/boards/357.c b/src/boards/357.c
new file mode 100644
index 0000000..8d19ef4
--- /dev/null
+++ b/src/boards/357.c
@@ -0,0 +1,124 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  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.
+ */
+
+/* NES 2.0 Mapper 357 is used for a 4-in-1 multicart (cartridge ID 4602) from Bit Corp.
+ * The first game is Bit Corp's hack of the YUNG-08 conversion of Super Mario Brothers 2 (J) named Mr. Mary 2,
+ * the other three games are UNROM games.
+ *
+ * Implementation is modified so reset actually sets the correct dipswitch (or outer banks) for each of the 4 games
+ */
+
+#include "mapinc.h"
+
+static uint8 preg[4];
+static uint8 dipswitch;
+static uint32 IRQCount, IRQa;
+
+static uint8 banks[8] = { 4, 3, 5, 3, 6, 3, 7, 3 };
+static uint8 outer_bank[4] = { 0x00, 0x08, 0x10, 0x18 };
+
+static SFORMAT StateRegs[] =
+{
+	{ &IRQCount, 4 | FCEUSTATE_RLSB, "IRQC" },
+	{ &IRQa, 4 | FCEUSTATE_RLSB, "IRQA" },
+    { &dipswitch, 1, "DPSW" },
+	{ &preg, 4, "REG" },
+	{ 0 }
+};
+
+static void Sync(void) {
+    if (dipswitch == 0) {
+        /* SMB2J Mode */
+        setprg4(0x5000, 16);
+	    setprg8(0x6000, preg[1] ? 0 : 2);
+	    setprg8(0x8000, 1);
+	    setprg8(0xa000, 0);
+	    setprg8(0xc000, banks[preg[0]]);
+	    setprg8(0xe000, preg[1] ? 8 : 10);
+    } else {
+        /* UNROM Mode */
+        setprg16(0x8000, outer_bank[dipswitch] | preg[2]);
+        setprg16(0xc000, outer_bank[dipswitch] | 7);
+    }
+	setchr8(0);
+    setmirror(dipswitch == 3 ? MI_H : MI_V);
+}
+
+static DECLFW(M357WriteLo) {
+    switch (A & 0x71ff) {
+        case 0x4022: preg[0] = V & 7; Sync(); break;
+        case 0x4120: preg[1] = V & 1; Sync(); break;
+    }
+}
+
+static DECLFW(M357WriteIRQ) {
+    IRQa = V & 1;
+    if (!IRQa) {
+        IRQCount = 0;
+        X6502_IRQEnd(FCEU_IQEXT);
+    }
+}
+
+static DECLFW(M357WriteUNROM) {
+    preg[2] = V & 7;
+    Sync();
+}
+
+static void M357Power(void) {
+    preg[0] = 0;
+    preg[1] = 0;
+    IRQa = IRQCount = 0;
+	Sync();
+	SetReadHandler(0x5000, 0xffff, CartBR);
+	SetWriteHandler(0x4022, 0x4022, M357WriteLo);
+    SetWriteHandler(0x4120, 0x4120, M357WriteLo);
+    SetWriteHandler(0x4122, 0x4122, M357WriteIRQ);
+    SetWriteHandler(0x8000, 0xffff, M357WriteUNROM);
+}
+
+static void M357Reset(void) {
+    IRQa = IRQCount = 0;
+    dipswitch++;
+    dipswitch &= 3;
+    Sync();
+}
+
+static void FP_FASTAPASS(1) M357IRQHook(int a) {
+	if (IRQa) {
+		if (IRQCount < 4096)
+			IRQCount += a;
+		else {
+			IRQa = 0;
+			X6502_IRQBegin(FCEU_IQEXT);
+		}
+	}
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void Mapper357_Init(CartInfo *info) {
+	info->Reset = M357Reset;
+	info->Power = M357Power;
+	MapIRQHook = M357IRQHook;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}
diff --git a/src/boards/372.c b/src/boards/372.c
new file mode 100644
index 0000000..36d9800
--- /dev/null
+++ b/src/boards/372.c
@@ -0,0 +1,110 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  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.
+ */
+
+/* added 2020-1-28 - negativeExponent */
+/* NES 2.0 Mapper 372 is used for a revision of the Rockman I-VI multicart (PCB ID SFC-12).
+ * It is INES Mapper 045 but with one bit of outer bank register #2 working as a CHR-ROM/RAM switch.
+ */
+
+#include "mapinc.h"
+#include "mmc3.h"
+
+static uint8 WRAM[0x2000];
+static uint32 CHRRAMSIZE;
+static uint8 *CHRRAM;
+
+static void M372CW(uint32 A, uint8 V) {
+	if (!UNIFchrrama) {
+		uint32 NV = V;
+		if (EXPREGS[2] & 8)
+			NV &= (1 << ((EXPREGS[2] & 7) + 1)) - 1;
+		else if (EXPREGS[2])
+			NV &= 0;	/* hack ;( don't know exactly how it should be */
+		NV |= EXPREGS[0] | ((EXPREGS[2] & 0xF0) << 4);
+        if (EXPREGS[2] & 0x20)
+		    setchr1r(0x10, A, V);
+		else
+			setchr1(A, NV);
+	} else
+		/* setchr8(0); */		/* i don't know what cart need this, but a new one need other lol */
+		setchr1(A, V);
+}
+
+static void M372PW(uint32 A, uint8 V) {
+	uint32 MV = V & ((EXPREGS[3] & 0x3F) ^ 0x3F);
+	MV |= EXPREGS[1];
+	if(UNIFchrrama)
+		MV |= ((EXPREGS[2] & 0x40) << 2);
+	setprg8(A, MV);
+/*	FCEU_printf("1:%02x 2:%02x 3:%02x A=%04x V=%03x\n",EXPREGS[1],EXPREGS[2],EXPREGS[3],A,MV); */
+}
+
+static DECLFW(M372Write) {
+	if (EXPREGS[3] & 0x40) {
+		WRAM[A - 0x6000] = V;
+		return;
+	}
+	EXPREGS[EXPREGS[4]] = V;
+	EXPREGS[4] = (EXPREGS[4] + 1) & 3;
+	FixMMC3PRG(MMC3_cmd);
+	FixMMC3CHR(MMC3_cmd);
+}
+
+static DECLFR(M372Read) {
+	uint32 addr = 1 << (EXPREGS[5] + 4);
+	if (A & (addr | (addr - 1)))
+		return X.DB | 1;
+	else
+		return X.DB;
+}
+
+static void M372Reset(void) {
+	EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = EXPREGS[4] = 0;
+	EXPREGS[5]++;
+	EXPREGS[5] &= 7;
+	MMC3RegReset();
+}
+
+static void M372Power(void) {
+	GenMMC3Power();
+	EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = EXPREGS[4] = EXPREGS[5] = 0;
+	SetWriteHandler(0x5000, 0x7FFF, M372Write);
+	SetReadHandler(0x5000, 0x5FFF, M372Read);
+}
+
+static void M372Close(void) {
+	if (CHRRAM)
+		FCEU_gfree(CHRRAM);
+	CHRRAM = NULL;
+}
+
+void Mapper372_Init(CartInfo *info) {
+	GenMMC3_Init(info, 512, 256, 8, info->battery);
+	cwrap = M372CW;
+	pwrap = M372PW;
+	info->Reset = M372Reset;
+	info->Power = M372Power;
+	info->Close = M372Close;
+	CHRRAMSIZE = 8192;
+	CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSIZE);
+	SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSIZE, 1);
+	AddExState(CHRRAM, CHRRAMSIZE, 0, "CHRR");
+	AddExState(EXPREGS, 5, 0, "EXPR");
+}
diff --git a/src/boards/390.c b/src/boards/390.c
new file mode 100644
index 0000000..9b88a84
--- /dev/null
+++ b/src/boards/390.c
@@ -0,0 +1,92 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * 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.
+ */
+
+/* NES 2.0 Mapper 390 - Realtec 8031 */
+
+#include "mapinc.h"
+
+static uint8 regs[2];
+static uint8 dipswitch;
+
+static SFORMAT StateRegs[] =
+{
+	{ &regs, 2, "REG" },
+    { &dipswitch, 1, "DPSW" },
+	{ 0 }
+};
+
+static void Sync(void) {
+    switch ((regs[1] >> 4) & 3) {
+    case 0:
+    case 1:
+        /* UNROM */
+        setprg16(0x8000, regs[1]);
+        setprg16(0xC000, regs[1] | 7);
+        break;
+    case 2:
+        /* Maybe unused, NROM-256? */
+        setprg32(0x8000, regs[1] >> 1); 
+        break;
+    case 3:
+        /* NROM-128 */
+        setprg16(0x8000, regs[1]);
+        setprg16(0xC000, regs[1]);
+        break;
+    }
+    setchr8(regs[0]);
+    setmirror(((regs[0] & 0x20) >> 5) ^ 1);
+}
+
+static DECLFR(M390Read) {
+    uint8 ret = CartBR(A);
+    if ((regs[1] & 0x30) == 0x10)
+        ret |= dipswitch;
+    return ret;
+}
+
+static DECLFW(M390Write) {
+    regs[(A >> 14) & 1] = A & 0x3F;
+    Sync();
+}
+
+static void M390Power(void) {
+    regs[0] = 0;
+    regs[1] = 0;
+    dipswitch = 11; /* hard-coded 150-in-1 menu */
+	Sync();
+	SetReadHandler(0x8000, 0xffff, M390Read);
+    SetWriteHandler(0x8000, 0xffff, M390Write);
+}
+
+static void M390Reset(void) {
+    dipswitch = 11; /* hard-coded 150-in-1 menu */
+    Sync();
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void Mapper390_Init(CartInfo *info) {
+	info->Reset = M390Reset;
+	info->Power = M390Power;
+	GameStateRestore = StateRestore;
+	AddExState(&StateRegs, ~0, 0, 0);
+}
diff --git a/src/boards/addrlatch.c b/src/boards/addrlatch.c
index 8118768..9aa62ed 100644
--- a/src/boards/addrlatch.c
+++ b/src/boards/addrlatch.c
@@ -472,6 +472,55 @@ void Mapper242_Init(CartInfo *info) {
 	Latch_Init(info, M242Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
 }
 
+/*------------------ Map 288 ---------------------------*/
+/* NES 2.0 Mapper 288 is used for two GKCX1 21-in-1 multicarts
+ * - 21-in-1 (GA-003)
+ * - 64-in-1 (CF-015)
+ */
+static void M288Sync(void) {
+	setchr8(latche & 7);
+	setprg32(0x8000, (latche >> 3) & 3);
+}
+
+static DECLFR(M288Read) {
+	uint8 ret = CartBR(A);
+	if (latche & 0x20)
+		ret |= (dipswitch << 2);
+	return ret;
+}
+
+static void M288Reset(void) {
+	dipswitch++;
+	dipswitch &= 3;
+	M288Sync();
+}
+
+void Mapper288_Init(CartInfo *info) {
+	dipswitch = 0;
+	Latch_Init(info, M288Sync, M288Read, 0x0000, 0x8000, 0xFFFF, 0);
+	info->Reset = M288Reset;
+	AddExState(&dipswitch, 1, 0, "DIPSW");
+}
+
+/*------------------ Map 541 ---------------------------*/
+/* LittleCom 160-in-1 multicart */
+static void M541Sync(void) {
+	if (latche & 2) {
+		/* NROM-128 */
+		setprg16(0x8000, latche >> 2);
+		setprg16(0xC000, latche >> 2);
+	} else {
+		/* NROM=256 */
+		setprg32(0x8000, latche >> 3);
+	}
+	setchr8(0);
+	setmirror(latche & 1);
+}
+
+void Mapper541_Init(CartInfo *info) {
+	Latch_Init(info, M541Sync, NULL, 0x0000, 0xC000, 0xFFFF, 0);
+}
+
 /*------------------ 190in1 ---------------------------*/
 
 static void BMC190in1Sync(void) {
diff --git a/src/boards/datalatch.c b/src/boards/datalatch.c
index c221310..1926cdf 100644
--- a/src/boards/datalatch.c
+++ b/src/boards/datalatch.c
@@ -490,6 +490,46 @@ void Mapper241_Init(CartInfo *info) {
 	Latch_Init(info, M241Sync, 0, 0x8000, 0xFFFF, 1, 0);
 }
 
+/*------------------ Map 381 ---------------------------*/
+/* 2-in-1 High Standard Game (BC-019), reset-based */
+static uint8 reset = 0;
+static void M381Sync(void) {
+	setprg16(0x8000, ((latche & 0x10) >> 4) | ((latche & 7) << 1) | (reset << 4));
+	setprg16(0xC000, 15 | (reset << 4));
+	setchr8(0);
+}
+
+static void M381Reset(void) {
+	reset ^= 1;
+	M381Sync();
+}
+
+void Mapper381_Init(CartInfo *info) {
+	info->Reset = M381Reset;
+	Latch_Init(info, M381Sync, 0, 0x8000, 0xFFFF, 1, 0);
+	AddExState(&reset, 1, 0, "RST0");
+}
+
+/*------------------ Map 538 ---------------------------*/
+/* NES 2.0 Mapper 538 denotes the 60-1064-16L PCB, used for a
+ * bootleg cartridge conversion named Super Soccer Champion
+ * of the Konami FDS game Exciting Soccer.
+ */
+static uint8 M538Banks[16] = { 0, 1, 2, 1, 3, 1, 4, 1, 5, 5, 1, 1, 6, 6, 7, 7 };
+static void M538Sync(void) {
+	setprg8(0x6000, (latche >> 1) | 8);
+	setprg8(0x8000, M538Banks[latche & 15]);
+	setprg8(0xA000, 14);
+	setprg8(0xC000, 7);
+	setprg8(0xE000, 15);
+	setchr8(0);
+	setmirror(1);
+}
+
+void Mapper538_Init(CartInfo *info) {
+	Latch_Init(info, M538Sync, 0, 0xC000, 0xCFFF, 1, 0);
+}
+
 /* ------------------ A65AS --------------------------- */
 
 /* actually, there is two cart in one... First have extra mirroring
diff --git a/src/boards/mmc1.c b/src/boards/mmc1.c
index f3ef3c1..a3f670d 100644
--- a/src/boards/mmc1.c
+++ b/src/boards/mmc1.c
@@ -443,3 +443,92 @@ void FARIDSLROM8IN1_Init(CartInfo *info) {
 	AddExState(&lock, 1, 0, "LOCK");
 	AddExState(&reg, 1, 0, "REG6");
 }
+
+/* ---------------------------- Mapper 374 -------------------------------- */
+/* 1995 Super HiK 4-in-1 - 新系列機器戰警组合卡 (JY-022)
+ * 1996 Super HiK 4-in-1 - 新系列超級飛狼組合卡 (JY-051)
+ */
+static uint8 game = 0;
+static void M374PRG(uint32 A, uint8 V) {
+	setprg16(A, (V & 0x07) | (game << 3));
+}
+
+static void M374CHR(uint32 A, uint8 V) {
+	setchr4(A, (V & 0x1F) | (game << 5));
+}
+
+static void M374Reset(void) {
+	game = (game + 1) & 3;
+	MMC1CMReset();
+}
+
+void Mapper374_Init(CartInfo *info) {
+	GenMMC1Init(info, 128, 128, 0, 0);
+	MMC1CHRHook4 = M374CHR;
+	MMC1PRGHook16 = M374PRG;
+	info->Reset = M374Reset;
+	AddExState(&game, 1, 0, "GAME");
+}
+
+/* ---------------------------- Mapper 297 -------------------------------- */
+/* NES 2.0 Mapper 297 - 2-in-1 Uzi Lightgun (MGC-002) */
+
+static uint8 mode;
+static uint8 latch;
+
+static void M297PRG(uint32 A, uint8 V) {
+	setprg16(A, (V & 0x07) | ((mode & 1) << 3));
+}
+
+static void M297CHR(uint32 A, uint8 V) {
+	setchr4(A, (V & 0x1F) | ((mode & 1) << 5));
+}
+
+static void Sync(void) {
+	if (mode & 1) {
+		/* MMC1 */
+        MMC1PRG();
+		MMC1CHR();
+		MMC1MIRROR();
+    } else {		
+		/* Mapper 70 */
+        setprg16(0x8000, ((mode & 2) << 1) | ((latch >> 4) & 3));
+        setprg16(0xC000, ((mode & 2) << 1) | 3);
+        setchr8(latch & 0xF);
+        setmirror(1);
+    }
+}
+
+static DECLFW(M297Mode) {
+    if (A & 0x100) {
+        mode = V;
+        Sync();
+    }
+}
+
+static DECLFW(M297Latch) {
+	if (mode & 1) {
+		MMC1_write(A, V);
+	} else {
+		latch = V;
+		Sync();
+	}
+}
+
+static void M297Power(void) {
+	latch = 0;
+	mode = 0;
+	Sync();
+	GenMMC1Power();
+	SetWriteHandler(0x4120, 0x4120, M297Mode);
+	SetWriteHandler(0x8000, 0xFFFF, M297Latch);
+}
+
+void Mapper297_Init(CartInfo *info) {
+	GenMMC1Init(info, 256, 256, 0, 0);
+	info->Power = M297Power;
+	MMC1CHRHook4 = M297CHR;
+	MMC1PRGHook16 = M297PRG;
+	AddExState(&latch, 1, 0, "LATC");
+	AddExState(&mode, 1, 0, "MODE");
+}
diff --git a/src/boards/resettxrom.c b/src/boards/resettxrom.c
index 910c8a2..1047283 100644
--- a/src/boards/resettxrom.c
+++ b/src/boards/resettxrom.c
@@ -2,6 +2,7 @@
  *
  * Copyright notice for this file:
  *  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
@@ -27,12 +28,37 @@
 #include "mapinc.h"
 #include "mmc3.h"
 
+static uint8 submapper;
+
 static void M313CW(uint32 A, uint8 V) {
-	setchr1(A, (EXPREGS[0] << 7) | (V & 0x7F));
+	/*FCEU_printf("CHR: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/
+	uint32_t bank;
+	switch (submapper) {
+	default: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
+	case 1: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
+	case 2: bank = (EXPREGS[0] << 8) | (V & 0xFF); break;
+	case 3: bank = (EXPREGS[0] << 8) | (V & 0xFF); break;
+	case 4: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
+	}
+	setchr1(A, bank);
 }
 
 static void M313PW(uint32 A, uint8 V) {
-	setprg8(A, (EXPREGS[0] << 4) | (V & 0x0F));
+	/*FCEU_printf("PRG: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/
+	uint32_t bank;
+	switch (submapper) {
+	default: bank = (EXPREGS[0] << 4) | (V & 0x0F); break;
+	case 1: bank = (EXPREGS[0] << 5) | (V & 0x1F); break;
+	case 2: bank = (EXPREGS[0] << 4) | (V & 0x0F); break;
+	case 3: bank = (EXPREGS[0] << 5) | (V & 0x1F); break;
+	case 4:
+		if (EXPREGS[0] == 0)
+			bank = (EXPREGS[0] << 5) | (V & 0x1F);
+		else
+			bank = (EXPREGS[0] << 4) | (V & 0x0F);
+		break;
+	}
+	setprg8(A, bank);
 }
 
 static void M313Reset(void) {
@@ -48,10 +74,12 @@ static void M313Power(void) {
 
 /* NES 2.0 313, UNIF BMC-RESET-TXROM */
 void BMCRESETTXROM_Init(CartInfo *info) {
-	GenMMC3_Init(info, 128, 128, 0, 0);
+	GenMMC3_Init(info, 256, 256, 8, 0);
 	cwrap = M313CW;
 	pwrap = M313PW;
+	submapper = info->submapper;
 	info->Power = M313Power;
 	info->Reset = M313Reset;
-	AddExState(EXPREGS, 1, 0, "EXPR");
+	AddExState(&EXPREGS[0], 1, 0, "EXPR");
+	AddExState(&submapper, 1, 0, "SUBM");
 }
diff --git a/src/ines.c b/src/ines.c
index 561c33c..8b52604 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -198,6 +198,8 @@ static void SetInput(void) {
 		{0xb8b9aca3,	SI_UNSET,		SI_ZAPPER,		SIFC_NONE		},	/* Wild Gunman */
 		{0x5112dc21,	SI_UNSET,		SI_ZAPPER,		SIFC_NONE		},	/* Wild Gunman */
 		{0xaf4010ea,	SI_GAMEPAD,		SI_POWERPADB,	SIFC_UNSET		},	/* World Class Track Meet */
+		{0xb3cc4d26,	SI_GAMEPAD,		SI_UNSET,		SIFC_SHADOW		},	/* 2-in-1 Uzi Lightgun (MGC-002) */
+
 		{0x00000000,	SI_UNSET,		SI_UNSET,		SIFC_UNSET		}
 	};
 	int x = 0;
@@ -659,6 +661,18 @@ static BMAPPINGLocal bmap[] = {
 	{(uint8_t*)"OK-411",				361, GN45_Init}, /* OK-411 is emulated together with GN-45 */
 	{(uint8_t*)"HUMMER/JY-052",			281, Mapper281_Init},
 	{(uint8_t*)"GN-45",					366, GN45_Init},
+	
+	{(uint8_t*)"GKCX1",					288, Mapper288_Init },
+	{(uint8_t*)"Bit Corp 4-in-1",		357, Mapper357_Init },
+	{(uint8_t*)"MMC3 PIRATE SFC-12",	372, Mapper372_Init },
+	{(uint8_t*)"95/96 Super HiK 4-in-1",	374, Mapper374_Init },
+	{(uint8_t*)"KN-42",					381, Mapper381_Init },
+	{(uint8_t*)"Realtec 8031",			390, Mapper390_Init },
+	{(uint8_t*)"60-1064-16L (FDS)",		538, Mapper538_Init },
+	{(uint8_t*)"LittleCom 160-in-1",	541, Mapper541_Init },
+	{(uint8_t*)"8-in-1 JY-119",	267, Mapper267_Init },
+	{(uint8_t*)"MMC3 BMC PIRATE",		294, Bs5652_Init}, /* nesdev redirects this as mapper 134 */
+	{(uint8_t*)"TXC 01-22110-000",		297, Mapper297_Init},
 
 	/* UNIF to NES 2.0 BOARDS */
 
diff --git a/src/ines.h b/src/ines.h
index 0121528..871216d 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -243,4 +243,15 @@ void Bs5652_Init(CartInfo *);
 void NC7000M_Init(CartInfo *);
 void J2282_Init(CartInfo *);
 
+void Mapper267_Init(CartInfo *);
+void Mapper288_Init(CartInfo *);
+void Mapper297_Init(CartInfo *);
+void Mapper357_Init(CartInfo *);
+void Mapper372_Init(CartInfo *);
+void Mapper374_Init(CartInfo *);
+void Mapper381_Init(CartInfo *);
+void Mapper390_Init(CartInfo *);
+void Mapper538_Init(CartInfo *);
+void Mapper541_Init(CartInfo *);
+
 #endif
diff --git a/src/unif.c b/src/unif.c
index 2c11ca7..5163b4e 100644
--- a/src/unif.c
+++ b/src/unif.c
@@ -604,7 +604,7 @@ static BMAPPING bmap[] = {
 	{ "830134C", 315, BMC830134C_Init, 0 },
 	{ "GN-26", 344, BMCGN26_Init, 0 },
 	{ "KG256", NO_INES,KG256_Init, 0 },
-	{ "T4A54A", 134, Mapper134_Init, 0 },
+	{ "T4A54A", 134, Bs5652_Init, 0 },
 
 #ifdef COPYFAMI
 	{ "COPYFAMI_MMC3", NO_INES, MapperCopyFamiMMC3_Init, 0 },