Initial commit - http://sourceforge.net/p/fceumm/code/160/

src/boards/karaoke.c

@@ -0,0 +1,63 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2002 Xodnizel
+ *
+ * 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"
+
+extern uint32 ROM_size;
+static uint8 latche;
+
+static void Sync(void) {
+	if (latche) {
+		if (latche & 0x10)
+			setprg16(0x8000, (latche & 7));
+		else
+			setprg16(0x8000, (latche & 7) | 8);
+	} else
+		setprg16(0x8000, 7 + (ROM_size >> 4));
+}
+
+static DECLFW(M188Write) {
+	latche = V;
+	Sync();
+}
+
+static DECLFR(ExtDev) {
+	return(3);
+}
+
+static void Power(void) {
+	latche = 0;
+	Sync();
+	setchr8(0);
+	setprg16(0xc000, 0x7);
+	SetReadHandler(0x6000, 0x7FFF, ExtDev);
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, M188Write);
+}
+
+static void StateRestore(int version) {
+	Sync();
+}
+
+void Mapper188_Init(CartInfo *info) {
+	info->Power = Power;
+	GameStateRestore = StateRestore;
+	AddExState(&latche, 1, 0, "LATC");
+}