diff --git a/src/boards/489.c b/src/boards/489.c
new file mode 100644
index 0000000..f84753e
--- /dev/null
+++ b/src/boards/489.c
@@ -0,0 +1,43 @@
+/* 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 "asic_latch.h"
+
+static void sync () {
+	if ((Latch_data &0x1F) == 2)
+		setprg32(0x8000, Latch_data >>1);
+	else {
+		setprg16(0x8000, Latch_data);
+		setprg16(0xC000, Latch_data);
+	}
+	setchr8(Latch_data);
+	switch(Latch_data >>6) {
+		case 0: setmirrorw(0, 0, 0, 1); break;
+		case 1: setmirror(MI_V); break;
+		case 2: setmirror(MI_H); break;
+		case 3: setmirror(MI_1); break;
+	}
+}
+
+void Mapper489_Init (CartInfo *info) {
+	Latch_init(info, sync, 0x8000, 0xFFFF, NULL);
+	info->Reset = Latch_clear;
+}
diff --git a/src/boards/490.c b/src/boards/490.c
new file mode 100644
index 0000000..67bc48a
--- /dev/null
+++ b/src/boards/490.c
@@ -0,0 +1,67 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2020
+ *
+ * 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 "asic_mmc3.h"
+
+static uint8 reg;
+static uint8 pad;
+
+static DECLFR(readPad) {
+	return CartBR(A &~0xF | pad &0xF);
+}
+
+static void sync() {
+	if (reg &0x20)
+		setprg32(0x8000, reg >>1);
+	else {
+		setprg16(0x8000, reg);
+		setprg16(0xC000, reg);
+	}
+	MMC3_syncCHR(0xFF, reg <<4 &~0xFF);
+	MMC3_syncMirror();
+	SetReadHandler(0x8000, 0xFFFF, reg &0x80? readPad: CartBR);
+}
+
+static DECLFW(writeReg) {
+	reg = A &0xFF;
+	sync();
+}
+
+static void reset() {
+	reg = 0;
+	++pad;
+	sync();
+}
+
+static void power() {
+	reg = 0;
+	pad = 0;
+	MMC3_power();
+}
+
+void Mapper490_Init(CartInfo *info) {
+	MMC3_init(info, sync, MMC3_TYPE_AX5202P, NULL, NULL, NULL, writeReg);
+	info->Power = power;
+	info->Reset = reset;
+	AddExState(&reg, 1, 0, "EXPR");
+}
diff --git a/src/ines.c b/src/ines.c
index cb49002..67fcaa1 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -909,6 +909,8 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "KS7009",         		486, Mapper486_Init         )
 	INES_BOARD( "AVE NINA-08",    		487, Mapper487_Init         )
 	INES_BOARD( "HC001",    		488, Mapper488_Init         )
+	INES_BOARD( "N-80",                     489, Mapper489_Init         )
+	INES_BOARD( "K-3101",                   490, Mapper490_Init         )
 	INES_BOARD( "Sane Ting 5-in-1",         491, Mapper491_Init         )
 	INES_BOARD( "K-3069/12-28",             492, Mapper492_Init         )
 	INES_BOARD( "AVE-NTDEC 30-in-1",        493, Mapper493_Init         )
diff --git a/src/ines.h b/src/ines.h
index 0b330ae..9618844 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -389,6 +389,8 @@ void Mapper485_Init(CartInfo *);
 void Mapper486_Init(CartInfo *);
 void Mapper487_Init(CartInfo *);
 void Mapper488_Init(CartInfo *);
+void Mapper489_Init(CartInfo *);
+void Mapper490_Init(CartInfo *);
 void Mapper491_Init(CartInfo *);
 void Mapper492_Init(CartInfo *);
 void Mapper493_Init(CartInfo *);