merge mappers from FCEU-mm
[fceu.git] / mappers / 18.c
diff --git a/mappers/18.c b/mappers/18.c
deleted file mode 100644 (file)
index 030c055..0000000
+++ /dev/null
@@ -1,80 +0,0 @@
-/* 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"
-
-#define K4buf mapbyte2
-#define K4buf2 mapbyte3
-
-void JalecoIRQHook(int a)
-{
-  if(IRQa && IRQCount)
-  {
-   IRQCount-=a;
-   if(IRQCount<=0)
-   {
-    X6502_IRQBegin(FCEU_IQEXT);
-    IRQCount=0;
-    IRQa=0;
-   }
-  }
-}
-
-DECLFW(Mapper18_write)
-{
-        A&=0xF003;
-        if(A>=0x8000 && A<=0x9001)
-        {
-         int x=((A>>1)&1)|((A-0x8000)>>11);
-
-         K4buf2[x]&=(0xF0)>>((A&1)<<2);
-         K4buf2[x]|=(V&0xF)<<((A&1)<<2);
-         ROM_BANK8(0x8000+(x<<13),K4buf2[x]);
-        }
-        else if(A>=0xa000 && A<=0xd003)
-        {
-         int x=((A>>1)&1)|((A-0xA000)>>11);
-
-         K4buf[x]&=(0xF0)>>((A&1)<<2);
-         K4buf[x]|=(V&0xF)<<((A&1)<<2);
-         VROM_BANK1(x<<10,K4buf[x]);
-        }
-        else switch(A)
-        {
-           case 0xe000:IRQLatch&=0xFFF0;IRQLatch|=(V&0x0f);break;
-         case 0xe001:IRQLatch&=0xFF0F;IRQLatch|=(V&0x0f)<<4;break;
-          case 0xe002:IRQLatch&=0xF0FF;IRQLatch|=(V&0x0f)<<8;break;
-         case 0xe003:IRQLatch&=0x0FFF;IRQLatch|=(V&0x0f)<<12;break;
-         case 0xf000:IRQCount=IRQLatch;
-                     break;
-         case 0xf001:IRQa=V&1;
-                     X6502_IRQEnd(FCEU_IQEXT);
-                     break;
-         case 0xf002:MIRROR_SET2(V&1);
-                     if(V&2) onemir(0);
-                      break;
-        }
-}
-
-void Mapper18_init(void)
-{
- SetWriteHandler(0x8000,0xffff,Mapper18_write);
- MapIRQHook=JalecoIRQHook;
-}