mappers/simple.c

   1 /* FCE Ultra - NES/Famicom Emulator
   2  *
   3  * Copyright notice for this file:
   4  *  Copyright (C) 1998 BERO
   5  *  Copyright (C) 2002 Xodnizel
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "mapinc.h"
  23
  24 static uint8 latche;
  25
  26 //static DECLFW(Mapper2_write)
  27 //{
  28 //    latche=V;
  29 //    ROM_BANK16(0x8000,V);
  30 //}
  31 //
  32 //void Mapper2_init(void)
  33 //{
  34 //    SetWriteHandler(0x8000,0xFFFF,Mapper2_write);
  35 //    AddExState(&latche, 1, 0, "LATC");
  36 //}
  37
  38 //static DECLFW(Mapper3_write)
  39 //{
  40 //  VROM_BANK8(V);
  41 //  latche=V;
  42 //}
  43
  44 //void Mapper3_init(void)
  45 //{
  46 //        SetWriteHandler(0x8000,0xFFFF,Mapper3_write);
  47 //        AddExState(&latche, 1, 0, "LATC");
  48 //}
  49
  50 static DECLFW(Mapper7_write)
  51 {
  52 //    FCEU_printf("%04x,%04x\n",A,V);
  53       ROM_BANK32(V&0xF);
  54       onemir((V>>4)&1);
  55       latche=V;
  56 }
  57
  58 void Mapper7_init(void)
  59 {
  60         onemir(0);
  61         ROM_BANK32(0);
  62         SetWriteHandler(0x8000,0xFFFF,Mapper7_write);
  63         AddExState(&latche, 1, 0, "LATC");
  64 }
  65
  66 static DECLFW(Mapper11_write)
  67 {
  68         ROM_BANK32(V&0xF);
  69         VROM_BANK8(V>>4);
  70         latche=V;
  71 }
  72
  73 void Mapper11_init(void)
  74 {
  75         ROM_BANK32(0);
  76         SetWriteHandler(0x8000,0xFFFF,Mapper11_write);
  77         AddExState(&latche, 1, 0, "LATC");
  78 }
  79 void Mapper144_init(void)
  80 {
  81        ROM_BANK32(0);
  82         SetWriteHandler(0x8001,0xFFFF,Mapper11_write);
  83         AddExState(&latche, 1, 0, "LATC");
  84
  85 }
  86 //static DECLFW(Mapper13_write)
  87 //{
  88 //        setchr4r(0x10,0x1000,V&3);
  89 //        setprg32(0x8000,(V>>4)&3);
  90 //        latche=V;
  91 //}
  92
  93 //static void Mapper13_StateRestore(int version)
  94 //{
  95 //        setchr4r(0x10,0x0000,0);
  96 //        setchr4r(0x10,0x1000,latche&3);
  97 //        setprg32(0x8000,(latche>>4)&3);
  98 //}
  99
 100 //void Mapper13_init(void)
 101 //{
 102 //        SetWriteHandler(0x8000,0xFFFF,Mapper13_write);
 103 //        GameStateRestore=Mapper13_StateRestore;
 104 //        AddExState(&latche, 1, 0, "LATC");
 105 //        AddExState(MapperExRAM, 16384, 0, "CHRR");
 106 //        SetupCartCHRMapping(0x10, MapperExRAM, 16384, 1);
 107 //        latche=0;
 108 //        Mapper13_StateRestore(FCEU_VERSION_NUMERIC);
 109 //}
 110
 111 static DECLFW(Mapper34_write)
 112 {
 113  switch(A)
 114  {
 115   case 0x7FFD:ROM_BANK32(V);break;
 116   case 0x7FFE:VROM_BANK4(0x0000,V);break;
 117   case 0x7fff:VROM_BANK4(0x1000,V);break;
 118  }
 119  if(A>=0x8000)
 120   ROM_BANK32(V);
 121 }
 122
 123 void Mapper34_init(void)
 124 {
 125  ROM_BANK32(0);
 126   SetWriteHandler(0x7ffd,0xffff,Mapper34_write);
 127 }
 128
 129 DECLFW(Mapper66_write)
 130 {
 131  VROM_BANK8(V&0xF);
 132  ROM_BANK32((V>>4));
 133  latche=V;
 134 }
 135
 136 void Mapper66_init(void)
 137 {
 138  ROM_BANK32(0);
 139  SetWriteHandler(0x6000,0xffff,Mapper66_write);
 140  AddExState(&latche, 1, 0, "LATC");
 141 }
 142
 143 DECLFW(Mapper152_write)
 144 {
 145  ROM_BANK16(0x8000,(V>>4)&0x7);
 146  VROM_BANK8(V&0xF);
 147  onemir((V>>7)&1);        /* Saint Seiya...hmm. */
 148  latche=V;
 149 }
 150
 151 void Mapper152_init(void)
 152 {
 153  onemir(0);
 154  SetWriteHandler(0x6000,0xffff,Mapper152_write);
 155  AddExState(&latche, 1, 0, "LATC");
 156 }
 157
 158 static DECLFW(Mapper70_write)
 159 {
 160  ROM_BANK16(0x8000,V>>4);
 161  VROM_BANK8(V&0xF);
 162  latche=V;
 163 }
 164
 165 void Mapper70_init(void)
 166 {
 167  SetWriteHandler(0x6000,0xffff,Mapper70_write);
 168  AddExState(&latche, 1, 0, "LATC");
 169 }
 170 /* Should be two separate emulation functions for this "mapper".  Sigh.  URGE TO KILL RISING. */
 171 static DECLFW(Mapper78_write)
 172 {
 173  //printf("$%04x:$%02x\n",A,V&0x8);
 174  ROM_BANK16(0x8000,V&0x7);
 175  VROM_BANK8(V>>4);
 176  onemir((V>>3)&1);
 177  latche=V;
 178 }
 179
 180 void Mapper78_init(void)
 181 {
 182  SetWriteHandler(0x8000,0xffff,Mapper78_write);
 183  AddExState(&latche, 1, 0, "LATC");
 184 }
 185
 186 DECLFW(Mapper87_write)
 187 {
 188  VROM_BANK8(V>>1);
 189  latche=V;
 190 }
 191
 192 void Mapper87_init(void)
 193 {
 194  SetWriteHandler(0x6000,0xffff,Mapper87_write);
 195  AddExState(&latche, 1, 0, "LATC");
 196 }
 197
 198 DECLFW(Mapper93_write)
 199 {
 200   ROM_BANK16(0x8000,V>>4);
 201   MIRROR_SET(V&1);
 202   latche=V;
 203 }
 204
 205 void Mapper93_init(void)
 206 {
 207   SetWriteHandler(0x8000,0xffff,Mapper93_write);
 208   AddExState(&latche, 1, 0, "LATC");
 209 }
 210
 211
 212 DECLFW(Mapper94_write)
 213 {
 214  ROM_BANK16(0x8000,V>>2);
 215  latche=V;
 216 }
 217
 218 void Mapper94_init(void)
 219 {
 220   SetWriteHandler(0x8000,0xffff,Mapper94_write);
 221   AddExState(&latche, 1, 0, "LATC");
 222 }
 223
 224 /* I might want to add some code to the mapper 96 PPU hook function
 225    to not change CHR banks if the attribute table is being accessed,
 226    if I make emulation a little more accurate in the future.
 227 */
 228
 229 static uint8 M96LA;
 230 static DECLFW(Mapper96_write)
 231 {
 232  latche=V;
 233  setprg32(0x8000,V&3);
 234  setchr4r(0x10,0x0000,(latche&4)|M96LA);
 235  setchr4r(0x10,0x1000,(latche&4)|3);
 236 }
 237
 238 static void FP_FASTAPASS(1) M96Hook(uint32 A)
 239 {
 240  if((A&0x3000)!=0x2000) return;
 241  //if((A&0x3ff)>=0x3c0) return;
 242  M96LA=(A>>8)&3;
 243  setchr4r(0x10,0x0000,(latche&4)|M96LA);
 244 }
 245
 246 static void M96Sync(int v)
 247 {
 248  setprg32(0x8000,latche&3);
 249  setchr4r(0x10,0x0000,(latche&4)|M96LA);
 250  setchr4r(0x10,0x1000,(latche&4)|3);
 251 }
 252
 253 void Mapper96_init(void)
 254 {
 255  SetWriteHandler(0x8000,0xffff,Mapper96_write);
 256  PPU_hook=M96Hook;
 257  AddExState(&latche, 1, 0, "LATC");
 258  AddExState(&M96LA, 1, 0, "LAVA");
 259  SetupCartCHRMapping(0x10, MapperExRAM, 32768, 1);
 260  latche=M96LA=0;
 261  M96Sync(0);
 262  setmirror(MI_0);
 263  GameStateRestore=M96Sync;
 264 }
 265
 266 static DECLFW(Mapper140_write)
 267 {
 268  VROM_BANK8(V&0xF);
 269  ROM_BANK32((V>>4)&0xF);
 270 }
 271
 272 void Mapper140_init(void)
 273 {
 274  ROM_BANK32(0);
 275  SetWriteHandler(0x6000,0x7FFF,Mapper140_write);
 276 }
 277
 278 static void M185Sync(int version)
 279 {
 280 //   on    off
 281 //1  0x0F, 0xF0 - Bird Week
 282 //2  0x33, 0x00 - B-Wings
 283 //3  0x11, 0x00 - Mighty Bomb Jack
 284 //4  0x22, 0x20 - Sansuu 1 Nen, Sansuu 2 Nen
 285 //5  0xFF, 0x00 - Sansuu 3 Nen
 286 //6  0x21, 0x13 - Spy vs Spy
 287
 288 //  if((mapbyte1[0]&3)==1)                     // 6, 3
 289 //  if(mapbyte1[0]&1)                          // 1, 2, 3, 5
 290 //  if(mapbyte1[0]&2)                          // 1, 2, 4, 5,
 291   if((mapbyte1[0]&2)||((mapbyte1[0]&3)==1)) // 1, 2, 3, 4, 5
 292    setchr8(0);
 293   else
 294    setchr8r(0x10,0);
 295 }
 296
 297 static DECLFW(Mapper185_write)
 298 {
 299   mapbyte1[0]=V;
 300   M185Sync(0);
 301 }
 302
 303 void Mapper185_init(void)
 304 {
 305   int x;
 306   for(x=0;x<8192;x++)
 307    MapperExRAM[x]=0xff;
 308   MapStateRestore=M185Sync;
 309   mapbyte1[0]=0;
 310   M185Sync(0);
 311   SetupCartCHRMapping(0x10,MapperExRAM,8192,0);
 312   SetWriteHandler(0x8000,0xFFFF,Mapper185_write);
 313 }
 314
 315
 316 static DECLFW(M156Write)
 317 {
 318  if(A>=0xc000 && A<=0xC003)
 319   VROM_BANK1((A&3)*1024,V);
 320  else if(A>=0xc008 &&  A<=0xc00b)
 321   VROM_BANK1(0x1000+(A&3)*1024,V);
 322  if(A==0xc010) ROM_BANK16(0x8000,V);
 323 // printf("$%04x:$%02x\n",A,V);
 324 }
 325
 326 void Mapper156_init(void)
 327 {
 328  onemir(0);
 329  SetWriteHandler(0xc000,0xc010,M156Write);
 330 }
 331
 332 static DECLFW(m107w)
 333 {
 334  ROM_BANK32((V>>1)&0x3);
 335  VROM_BANK8(V&0x7);
 336 }
 337
 338 void Mapper107_init(void)
 339 {
 340  SetWriteHandler(0x8000,0xffff,m107w);
 341 }
 342