merge mapper code from FCEUX
[fceu.git] / mappers / 86.c
index 5bcefcd..f95b639 100644 (file)
@@ -1,7 +1,7 @@
 /* FCE Ultra - NES/Famicom Emulator
  *
  * Copyright notice for this file:
- *  Copyright (C) 2002 Ben Parnell
+ *  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
  *
  * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #include "mapinc.h"
 
 DECLFW(Mapper86_write)
 {
- VROM_BANK8((V&3)|((V>>4)&4));
- ROM_BANK32((V>>4)&3);
+ if(A>=0x6000 && A<=0x6fFF)
+ {
+  VROM_BANK8((V&3)|((V>>4)&4));
+  ROM_BANK32((V>>4)&3);
+ }
+ //else
+ //if(A!=0x6000)
+ // printf("$%04x:$%02x\n",A,V);
 }
-
 void Mapper86_init(void)
 {
- SetWriteHandler(0x6000,0x6000,Mapper86_write);
+ SetWriteHandler(0x6000,0x6fff,Mapper86_write);
+ SetWriteHandler(0x4020,0xffff,Mapper86_write);
 }