Add mapper 446 using mapper emulation cores that can be included in other multi-ASIC mappers.

src/boards/wram.c

@@ -0,0 +1,46 @@
+/* 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 "wram.h"
+
+static uint8 *WRAMData = NULL;
+uint32 WRAMSize = 0;
+
+void WRAM_close (void) {
+	if (WRAMData) {
+		FCEU_gfree(WRAMData);
+		WRAMData =NULL;
+	}
+}
+
+void WRAM_init (CartInfo *info, uint8 defaultWRAMSizeKiB) {
+	WRAMSize =info->iNES2? (info->PRGRamSize +info->PRGRamSaveSize): (defaultWRAMSizeKiB *1024);
+	if (WRAMSize) {
+		info->Close =WRAM_close;
+		WRAMData =(uint8*)FCEU_gmalloc(WRAMSize);
+		SetupCartPRGMapping(0x10, WRAMData, WRAMSize, 1);
+		AddExState(WRAMData, WRAMSize, 0, "WRAM");
+		if (info->battery) {
+			info->SaveGame[0] =WRAMData;
+			info->SaveGameLen[0] =WRAMSize;
+		}
+	}
+}