updated bords/mappers/stuff to 0.98.15, lots of them got broken, asmcore support...
[fceu.git] / mappers / 61.c
diff --git a/mappers/61.c b/mappers/61.c
new file mode 100644 (file)
index 0000000..4303932
--- /dev/null
@@ -0,0 +1,54 @@
+/* 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "mapinc.h"
+
+
+static DECLFW(Mapper61_write)
+{
+// printf("$%04x:$%02x\n",A,V);
+ switch(A&0x30)
+ {
+  case 0x00:
+  case 0x30:
+          ROM_BANK32(A&0xF);
+          break;
+  case 0x20:
+  case 0x10:
+          ROM_BANK16(0x8000,((A&0xF)<<1)| (((A&0x20)>>4)) );
+          ROM_BANK16(0xC000,((A&0xF)<<1)| (((A&0x20)>>4)) );
+          break;
+ }
+ #ifdef moo
+ if(!(A&0x10))
+  ROM_BANK32(A&0xF);
+ else
+ {
+  ROM_BANK16(0x8000,((A&0xF)<<1)| (((A&0x10)>>4)^1) );
+  ROM_BANK16(0xC000,((A&0xF)<<1)| (((A&0x10)>>4)^1) );
+ }
+ #endif
+ MIRROR_SET((A&0x80)>>7);
+}
+
+void Mapper61_init(void)
+{
+ SetWriteHandler(0x8000,0xffff,Mapper61_write);
+}