diff --git a/src/boards/128.c b/src/boards/128.c
new file mode 100644
index 0000000..83bb900
--- /dev/null
+++ b/src/boards/128.c
@@ -0,0 +1,56 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2023
+ *
+ * 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
+ */
+
+#include "mapinc.h"
+#include "latch.h"
+
+static uint16 outerbank = 0;
+
+static void Sync(void) {
+	setprg16(0x8000, (outerbank >> 2) | (latch.data & 7));
+    setprg16(0xC000, (outerbank >> 2) | 7);
+	setchr8(0);
+    setmirror(((outerbank >> 1) & 1) ^ 1);
+}
+
+static DECLFW(M128Write) {
+    if (outerbank < 0xF000) {
+        outerbank = A;
+    }
+    LatchWrite(A, V);
+}
+
+static void M128Reset() {
+    outerbank = 0;
+    LatchHardReset();
+}
+
+static void M128Power() {
+    outerbank = 0;
+    LatchPower();
+    SetWriteHandler(0x8000, 0xFFFF, M128Write);
+}
+
+void Mapper128_Init(CartInfo *info) {
+	Latch_Init(info, Sync, NULL, 0, 0);
+    info->Power = M128Power;
+    info->Reset = M128Reset;
+    AddExState(&outerbank, 2, 0, "BANK");
+}
diff --git a/src/ines.c b/src/ines.c
index 33c98f4..659015b 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -549,7 +549,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "FDS LH32",                 125, LH32_Init              )
 	INES_BOARD( "PowerJoy 84-in-1 PJ-008",  126, Mapper126_Init )
 /*    INES_BOARD( "",                            127, Mapper127_Init ) */
-/*    INES_BOARD( "",                            128, Mapper128_Init ) */
+	INES_BOARD( "1994 Super HiK 4-in-1",     128, Mapper128_Init )
 /*    INES_BOARD( "",                            129, Mapper129_Init ) */
 /*    INES_BOARD( "",                            130, Mapper130_Init ) */
 /*    INES_BOARD( "",                            131, Mapper131_Init ) */
diff --git a/src/ines.h b/src/ines.h
index 4222fb3..cad0c4f 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -151,6 +151,7 @@ void Mapper120_Init(CartInfo *);
 void Mapper121_Init(CartInfo *);
 void Mapper125_Init(CartInfo *);
 void Mapper126_Init(CartInfo *);
+void Mapper128_Init(CartInfo *);
 void Mapper132_Init(CartInfo *);
 void Mapper134_Init(CartInfo *);
 void Mapper136_Init(CartInfo *);