From ca898191dbeebb96f279f9f7357c370fb409bdb6 Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Thu, 11 Sep 2025 23:11:47 +0200
Subject: [PATCH] Add mapper 363.

---
 src/boards/363.c | 39 +++++++++++++++++++++++++++++++++++++++
 src/ines.c       |  1 +
 src/ines.h       |  1 +
 3 files changed, 41 insertions(+)
 create mode 100644 src/boards/363.c

diff --git a/src/boards/363.c b/src/boards/363.c
new file mode 100644
index 0000000..2916e41
--- /dev/null
+++ b/src/boards/363.c
@@ -0,0 +1,39 @@
+/* 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 () {
+	setprg16(0x8000, Latch_address <<3 | Latch_data &0x07);
+	setprg16(0xC000, Latch_address <<3 |             0x07);
+	setchr8(0);
+	setmirror(Latch_address &0x20? MI_H: MI_V);
+}
+
+static void trapLatchWrite (uint16 *newAddress, uint8 *newValue, uint8 romValue) {
+	if (!(~Latch_address &0x10 && *newAddress &0x10)) *newAddress = Latch_address; /* Address bits only latched on a rising edge of A4 */
+	*newValue &= romValue; /* AND-type bus conflicts */
+}
+
+void Mapper363_Init (CartInfo *info) {
+	Latch_init(info, sync, 0x8000, 0xFFFF, trapLatchWrite);
+	info->Reset = Latch_clear;
+}
diff --git a/src/ines.c b/src/ines.c
index 9a962ae..8e98837 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -807,6 +807,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "Bitcorp 31-in-1",          360, Mapper360_Init         )
 	INES_BOARD( "OK-411",                   361, GN45_Init              ) /* OK-411 is emulated together with GN-45 */
 	INES_BOARD( "830506C",                  362, Mapper362_Init         )
+	INES_BOARD( "5069",                     363, Mapper363_Init         )
 	INES_BOARD( "JY830832C",                364, Mapper364_Init         )
 	INES_BOARD( "GN-45",                    366, GN45_Init              )
 	INES_BOARD( "JC-016-2 variant",         367, Mapper367_Init         )
diff --git a/src/ines.h b/src/ines.h
index 34a42bf..ee6f074 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -290,6 +290,7 @@ void Mapper358_Init(CartInfo *);
 void Mapper359_Init(CartInfo *);
 void Mapper360_Init(CartInfo *);
 void Mapper362_Init(CartInfo *);
+void Mapper363_Init(CartInfo *);
 void Mapper364_Init(CartInfo *);
 void Mapper367_Init(CartInfo *);
 void Mapper368_Init(CartInfo *);