Add mapper 218

src/boards/218.c

@@ -0,0 +1,38 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ * Copyright (C) 2020 negativeExponent
+ *
+ * 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 "../ines.h"
+
+static uint8 mirror;
+static uint8 mask;
+
+static void M218Power(void) {
+	setchr8(0);
+	setprg32(0x8000, 0);
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+}
+
+void Mapper218_Init(CartInfo* info) {
+	if (head.ROM_type & 0x08)
+		SetupCartMirroring(MI_0 + (head.ROM_type & 0x01), 1,  NULL);
+	SetupCartCHRMapping(0, NTARAM, 2048, 1);
+	info->Power = M218Power;
+}