merge mappers from FCEU-mm

[fceu.git] / mappers / 83.c

diff --git a/mappers/83.c b/mappers/83.c
deleted file mode 100644 (file)
index ca26388..0000000
--- a/mappers/83.c
+++ /dev/null
@@ -1,147 +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"
-
-static uint8 is2kbank, isnot2kbank, dipreg;
-
-/*void Mapper83_init(void)
-{             
- 
-} 
-*/
-static void m83IRQHook(int a)
-{
-  if(IRQa)
-  {
-   IRQCount-=a;
-   if(IRQCount<0)
-   {
-    X6502_IRQBegin(FCEU_IQEXT);
-    IRQa=0;
-    IRQCount=0xFFFF;
-   }
-  }
-}
-
-static DECLFW(wrlow)
-{
- mapbyte4[A&3]=V;
-}
-
-static DECLFR(rdlow)
-{
- return mapbyte4[A&3];
-}
-
-static DECLFR(rd5000)
-{
- return dipreg;
-}
-
-static void m83prg(void)
-{
-  ROM_BANK16(0x8000,(mapbyte1[0]&0x3F)); 
-  ROM_BANK16(0xC000,(mapbyte1[0]&0x30)|0xF);
-}
-
-static void m83chr(void)
-{
-  if(is2kbank&&!isnot2kbank)
-  {
-    VROM_BANK2(0x0000,mapbyte2[0]);
-    VROM_BANK2(0x0800,mapbyte2[1]);
-    VROM_BANK2(0x1000,mapbyte2[6]);
-    VROM_BANK2(0x1800,mapbyte2[7]);
-  }
-  else
-  {
-    int x;
-    for(x=0;x<8;x++)
-       VROM_BANK1(x*0x400,mapbyte2[x]|((mapbyte1[0]&0x30)<<4));
-  }
-}
-
-static DECLFW(Mapper83_write)
-{
- //printf("$%04x:$%02x\n",A,V);
- switch(A)
- {
-  case 0x8000: is2kbank = 1;
-  case 0xB000:
-  case 0xB0FF:
-  case 0xB1FF:
-       {
-        mapbyte1[0]=V;
-        m83prg();
-        m83chr();
-       }
-       break;
-  case 0x8100:
-              mapbyte3[0]=V&0x80;
-              switch(V&0x3)
-              {
-              case 0x00:MIRROR_SET2(1);break;
-              case 0x01:MIRROR_SET2(0);break;
-              case 0x02:onemir(0);break;
-              case 0x03:onemir(1);break;
-              }
-              break;
-  case 0x8200:IRQCount&=0xFF00;IRQCount|=V;X6502_IRQEnd(FCEU_IQEXT);break;
-  case 0x8201:IRQa=mapbyte3[0];IRQCount&=0xFF;IRQCount|=V<<8;break;
-  case 0x8300:ROM_BANK8(0x8000,V);break;
-  case 0x8301:ROM_BANK8(0xA000,V);break;
-  case 0x8302:ROM_BANK8(0xC000,V);break;
-  case 0x8310:mapbyte2[0]=V;m83chr();break;
-  case 0x8311:mapbyte2[1]=V;m83chr();break;
-  case 0x8312:mapbyte2[2]=V;isnot2kbank = 1;m83chr();break; // 2 mappers in one :)
-  case 0x8313:mapbyte2[3]=V;isnot2kbank = 1;m83chr();break;
-  case 0x8314:mapbyte2[4]=V;isnot2kbank = 1;m83chr();break;
-  case 0x8315:mapbyte2[5]=V;isnot2kbank = 1;m83chr();break;
-  case 0x8316:mapbyte2[6]=V;m83chr();break;
-  case 0x8317:mapbyte2[7]=V;m83chr();break;
-  case 0x8318:mapbyte1[1]=V;m83prg();break;
- }
-// printf("$%04x:$%02x, $%04x\n",A,V,X.PC.W);
- 
-}
-
-static void m83Reset(void)
-{
- dipreg^=1;
-}
-
-void Mapper83_init(void)
-{
- is2kbank = 0;
- isnot2kbank = 0;
- dipreg = 0;
- ROM_BANK8(0xc000,0x1e);
- ROM_BANK8(0xe000,0x1f);
-
- MapIRQHook=m83IRQHook;
- MapperReset=m83Reset;
-
- SetReadHandler(0x5000,0x5000,rd5000); // title scren dip switch
- SetReadHandler(0x5100,0x5103,rdlow);
- SetWriteHandler(0x5100,0x5103,wrlow);
- SetWriteHandler(0x8000,0xffff,Mapper83_write);
- mapbyte1[1]=0xF;
-}