diff --git a/src/boards/485.c b/src/boards/485.c
new file mode 100644
index 0000000..91548b5
--- /dev/null
+++ b/src/boards/485.c
@@ -0,0 +1,64 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2025 NewRisingSun
+ *
+ * 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 uint8 reg;
+
+static SFORMAT StateRegs[] = {
+    { &reg, 1, "REG " },
+    { 0 }
+};
+
+static void Sync(void) {
+	if (latch.data &0x20) {
+		setprg16(0x8000, latch.data &0x1F | reg <<5);
+		setprg16(0xC000, latch.data &0x1F | reg <<5);
+	} else
+		setprg32(0x8000, latch.data >>1 &0x0F | reg <<4);
+	setchr8(0);
+	setmirror(latch.data &0x80? (latch.data &0x40? MI_1: MI_H): (latch.data &0x40? MI_V: MI_0));
+}
+
+static DECLFW(writeReg) {
+	reg =V;
+	Sync();
+}
+
+static void Power() {
+	reg =0;
+	LatchPower();
+	SetWriteHandler(0x5000, 0x5FFF, writeReg);
+}
+
+static void Reset() {
+	reg =0;
+	latch.data =0;
+	Sync();
+}
+
+void Mapper485_Init(CartInfo *info) {
+	Latch_Init(info, Sync, NULL, 0, 0);
+	info->Power = Power;
+	info->Reset = Reset;
+	AddExState(StateRegs, ~0, 0, NULL);
+}
diff --git a/src/ines.c b/src/ines.c
index f7eac48..d5894b0 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -904,6 +904,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "045N",          		481, Mapper481_Init         )
 	INES_BOARD( "K-1079",          		482, Mapper482_Init         )
 	INES_BOARD( "ESTIQUE",         		484, Mapper484_Init         )
+	INES_BOARD( "0359",         		485, Mapper485_Init         )
 	INES_BOARD( "AVE NINA-08",    		487, Mapper487_Init         )
 	INES_BOARD( "Yhc-000",                  500, Mapper500_Init         )
 	INES_BOARD( "Yhc-001",                  501, Mapper501_Init         )
diff --git a/src/ines.h b/src/ines.h
index 4b89deb..81af0c5 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -383,6 +383,7 @@ void Mapper480_Init(CartInfo *);
 void Mapper481_Init(CartInfo *);
 void Mapper482_Init(CartInfo *);
 void Mapper484_Init(CartInfo *);
+void Mapper485_Init(CartInfo *);
 void Mapper487_Init(CartInfo *);
 void Mapper500_Init(CartInfo *);
 void Mapper501_Init(CartInfo *);