From fc816dacf7b9cbf04aab0b696e3089a0b4ae3243 Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Tue, 9 Sep 2025 00:00:23 +0200
Subject: [PATCH] Add mapper 567.

---
 src/boards/567.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/ines.c       |  1 +
 src/ines.h       |  1 +
 3 files changed, 73 insertions(+)
 create mode 100644 src/boards/567.c

diff --git a/src/boards/567.c b/src/boards/567.c
new file mode 100644
index 0000000..e62cd33
--- /dev/null
+++ b/src/boards/567.c
@@ -0,0 +1,71 @@
+/* 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 void sync() {
+	MMC3_syncPRG(0x0F, reg <<4);
+	if (reg == 0x0F)
+		MMC3_syncCHR(0x1FF, 0x400);
+	else
+		MMC3_syncCHR(0x07F, reg <<7 &0x380);
+	MMC3_syncMirror();
+}
+
+static int getPRGBank(uint8 bank) {
+	if (reg == 0x08) {
+		return MMC3_getPRGBank(bank &1) &~3 | bank &3;
+	} else
+		return MMC3_getPRGBank(bank);
+}
+
+static int getCHRBank(uint8 bank) {
+	if (reg == 0x0F)
+		return MMC3_getCHRBank(bank &6 | bank >>1 &1) <<1 | bank &1;
+	else
+		return MMC3_getCHRBank(bank);
+}
+
+static DECLFW(writeReg) {
+	reg = A &0xFF;
+	sync();
+}
+
+static void reset() {
+	reg = 0;
+	sync();
+}
+
+static void power() {
+	reg = 0;
+	MMC3_power();
+}
+
+void Mapper567_Init(CartInfo *info) {
+	MMC3_init(info, sync, MMC3_TYPE_SHARP, getPRGBank, getCHRBank, NULL, writeReg);
+	info->Power = power;
+	info->Reset = reset;
+	AddExState(&reg, 1, 0, "EXPR");
+}
diff --git a/src/ines.c b/src/ines.c
index 139f2aa..918a36c 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -950,6 +950,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "Bung Super Game Doctor",   561, Mapper561_562_Init     )
 	INES_BOARD( "Venus Turbo Game Doctor",  562, Mapper561_562_Init     )
 	INES_BOARD( "J-2020",                   563, Mapper563_Init         )
+	INES_BOARD( "Top Ten Variety (SF III)", 567, Mapper567_Init         )
 	INES_BOARD( "T-215",                    579, Mapper579_Init         )
 	INES_BOARD( "ET-82",                    581, Mapper581_Init         )
 	INES_BOARD( "HN-02",                    586, Mapper586_Init         )
diff --git a/src/ines.h b/src/ines.h
index 842b4c5..10e5854 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -415,6 +415,7 @@ void Mapper558_Init(CartInfo *);
 void Mapper559_Init(CartInfo *);
 void Mapper561_562_Init(CartInfo *);
 void Mapper563_Init(CartInfo *);
+void Mapper567_Init(CartInfo *);
 void Mapper579_Init(CartInfo *);
 void Mapper581_Init(CartInfo *);
 void Mapper586_Init(CartInfo *);