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

src/input/toprider.c

@@ -0,0 +1,52 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2003 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 <string.h>
+#include "share.h"
+
+static uint32 bs, bss;
+static uint32 boop;
+
+static uint8 FP_FASTAPASS(2) Read(int w, uint8 ret) {
+	if (w) {
+		ret |= (bs & 1) << 3;
+		ret |= (boop & 1) << 4;
+		bs >>= 1;
+		boop >>= 1;
+	}
+	return(ret);
+}
+
+static void FP_FASTAPASS(1) Write(uint8 V) {
+	bs = bss;
+}
+
+static void FP_FASTAPASS(2) Update(void *data, int arg) {
+	bss = *(uint8*)data;
+	bss |= bss << 8;
+	bss |= bss << 8;
+}
+
+static INPUTCFC TopRider = { Read, Write, 0, Update, 0, 0 };
+
+INPUTCFC *FCEU_InitTopRider(void) {
+	return(&TopRider);
+}
+