From 93e4f5905f86af26213204461918f5f1097bb3df Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Fri, 12 Sep 2025 00:29:19 +0200
Subject: [PATCH] Add mapper 518.

---
 src/boards/514.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/ines.c       |  1 +
 src/ines.h       |  1 +
 3 files changed, 50 insertions(+)
 create mode 100644 src/boards/514.c

diff --git a/src/boards/514.c b/src/boards/514.c
new file mode 100644
index 0000000..fb8d823
--- /dev/null
+++ b/src/boards/514.c
@@ -0,0 +1,48 @@
+/* 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"
+#include "wram.h"
+
+uint8 chr;
+
+static void sync () {
+	setprg8r(0x10, 0x6000, 0);
+	setprg32(0x8000, Latch_data);
+	setchr4(0x0000, Latch_data &0x80? chr: 0);
+	setchr4(0x1000, 1);
+	setmirror(Latch_data &0x40? MI_H: MI_V);
+}
+
+static void FP_FASTAPASS(1) trapPPUAddressChange (uint32 A) {
+	if (A &0x2000 && (A &0x23C0) < 0x23C0) {
+		chr = A >>(10 +(Latch_data &0x40? 1: 0)) &1;
+		setchr4(0x0000, Latch_data &0x80? chr: 0);
+	}
+}
+
+void Mapper514_Init (CartInfo *info) {
+	Latch_init(info, sync, 0x8000, 0xFFFF, NULL);
+	WRAM_init(info, 8);
+	info->Reset = Latch_clear;
+	PPU_hook = trapPPUAddressChange;
+	AddExState(&chr, 1, 0, "CHRB");
+}
diff --git a/src/ines.c b/src/ines.c
index 7e1110a..5969e5d 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -941,6 +941,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "1n4148",                   511, Mapper511_Init         )
 	INES_BOARD( "Zhonggguo Daheng",         512, Mapper512_Init         )
 	INES_BOARD( "SA-9602B",                 513, SA9602B_Init           )
+	INES_BOARD( "Subor Karaoke",            514, Mapper514_Init         )
 	INES_BOARD( "Brilliant Com Cocoma Pack",516, Mapper516_Init         )
 	INES_BOARD( "Kkachi-wa Nolae Chingu",   517, UNROM_Init             ) /* Microphone input currently not emulated */
 	INES_BOARD( "DANCE2000",                518, UNLD2000_Init          )
diff --git a/src/ines.h b/src/ines.h
index e179c7f..b255d79 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -421,6 +421,7 @@ void Mapper509_Init(CartInfo *);
 void Mapper510_Init(CartInfo *);
 void Mapper511_Init(CartInfo *);
 void Mapper512_Init(CartInfo *);
+void Mapper514_Init(CartInfo *);
 void Mapper516_Init(CartInfo *);
 void Mapper520_Init(CartInfo *);
 void Mapper523_Init(CartInfo *);