merge mappers from FCEU-mm

[fceu.git] / boards / KS7057.c

/* FCE Ultra - NES/Famicom Emulator\r
 *\r
 * Copyright notice for this file:\r
 *  Copyright (C) 2011 CaH4e3\r
 *\r
 * This program is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *\r
 * This program is distributed in the hope that it will be useful,\r
 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 * GNU General Public License for more details.\r
 *\r
 * You should have received a copy of the GNU General Public License\r
 * along with this program; if not, write to the Free Software\r
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
 *\r
 * FDS Conversion\r
 *\r
 */\r
\r
#include "mapinc.h"\r
\r
static uint8 reg[8], mirror;\r
static SFORMAT StateRegs[]=\r
{\r
  {reg, 8, "PRG"},\r
  {&mirror, 1, "MIRR"},\r
  {0}\r
};\r
\r
static void Sync(void)\r
{\r
  setprg2(0x6000,reg[4]);\r
  setprg2(0x6800,reg[5]);\r
  setprg2(0x7000,reg[6]);\r
  setprg2(0x7800,reg[7]);\r
  setprg2(0x8000,reg[0]);\r
  setprg2(0x8800,reg[1]);\r
  setprg2(0x9000,reg[2]);\r
  setprg2(0x9800,reg[3]);\r
  setprg8(0xA000,0xd);\r
  setprg16(0xC000,7);\r
  setchr8(0);\r
  setmirror(mirror);\r
}\r
\r
static DECLFW(UNLKS7057Write)\r
{\r
  switch(A&0xF003) {\r
   case 0x8000:\r
   case 0x8001:\r
   case 0x8002:\r
   case 0x8003:\r
   case 0x9000: \r
   case 0x9001: \r
   case 0x9002: \r
   case 0x9003: mirror = V & 1; Sync(); break;\r
   case 0xB000: reg[0] = (reg[0] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xB001: reg[0] = (reg[0] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xB002: reg[1] = (reg[1] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xB003: reg[1] = (reg[1] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xC000: reg[2] = (reg[2] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xC001: reg[2] = (reg[2] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xC002: reg[3] = (reg[3] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xC003: reg[3] = (reg[3] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xD000: reg[4] = (reg[4] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xD001: reg[4] = (reg[4] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xD002: reg[5] = (reg[5] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xD003: reg[5] = (reg[5] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xE000: reg[6] = (reg[6] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xE001: reg[6] = (reg[6] & 0x0F) | (V << 4); Sync(); break;\r
   case 0xE002: reg[7] = (reg[7] & 0xF0) | (V & 0x0F); Sync(); break;\r
   case 0xE003: reg[7] = (reg[7] & 0x0F) | (V << 4); Sync(); break;\r
  }\r
}\r
\r
static void UNLKS7057Power(void)\r
{\r
  Sync();\r
  SetReadHandler(0x6000,0xFFFF,CartBR);\r
  SetWriteHandler(0x8000,0xFFFF,UNLKS7057Write);\r
}\r
\r
static void UNLKS7057Reset(void)\r
{\r
  Sync();\r
}\r
\r
void UNLKS7057_Init(CartInfo *info)\r
{\r
  info->Power=UNLKS7057Power;\r
  info->Reset=UNLKS7057Reset;\r
  AddExState(&StateRegs, ~0, 0, 0);\r
}\r