merge mapper code from FCEUX

[fceu.git] / mappers / 15.c

diff --git a/mappers/15.c b/mappers/15.c
deleted file mode 100644 (file)
index e649af6..0000000
--- a/mappers/15.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "mapinc.h"
-
-static void Sync(void)
-{
-        int x;
-
-        setmirror(((mapbyte1[0]>>6)&1)^1);
-        switch(mapbyte1[1]&0x3)
-        {
-         case 0x0:
-          for(x=0;x<4;x++)
-           setprg8(0x8000+x*8192,(((mapbyte1[0]&0x7F)<<1)+x)^(mapbyte1[0]>>7));
-          break;
-         case 0x2:
-          for(x=0;x<4;x++)
-           setprg8(0x8000+x*8192,((mapbyte1[0]&0x7F)<<1)+(mapbyte1[0]>>7));
-          break;
-         case 0x1:
-         case 0x3:
-          for(x=0;x<4;x++)
-          {
-           unsigned int b;
-
-           b=mapbyte1[0]&0x7F;
-           if(x>=2 && !(mapbyte1[1]&0x2))
-            b=0x7F;
-           setprg8(0x8000+x*8192,(x&1)+((b<<1)^(mapbyte1[0]>>7)));
-          }
-          break;
-        }
-}
-
-
-static DECLFW(Mapper15_write)
-{
- mapbyte1[0]=V;
- mapbyte1[1]=A&3;
- Sync();
-}
-
-static void StateRestore(int version)
-{
- Sync();
-}
-
-void Mapper15_init(void)
-{
-        mapbyte1[0]=mapbyte1[1]=0;
-        Sync();
-        GameStateRestore=StateRestore;
-        SetWriteHandler(0x8000,0xFFFF,Mapper15_write);
-}
-