more menu work, scalers, sound

[fceu.git] / boards / konami-qtai.c

/* FCE Ultra - NES/Famicom Emulator\r
 *\r
 * Copyright notice for this file:\r
 *  Copyright (C) 2005 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
 * CAI Shogakko no Sansu\r
 */\r
\r
#include "mapinc.h"\r
\r
static uint8 *CHRRAM=NULL;\r
static uint8 SWRAM[4096];\r
\r
static uint8 regs[16];\r
static uint8 WRAM[4096];\r
static SFORMAT StateRegs[]=\r
{\r
  {&regs, 16, "REGS"},\r
  {WRAM, 4096, "WRAM"},\r
  {0}\r
};\r
\r
static void Sync(void)\r
{\r
  if(regs[5]&0x40)\r
  {\r
    setchr4r(0,0x1000,regs[5]&0x3F);\r
  }\r
  else\r
  {\r
    setchr4r(0x10,0x0000,regs[5]);\r
    setchr4r(0x10,0x1000,regs[5]^1);\r
  }\r
  setprg8r((regs[2]>>6)&1,0x8000,(regs[2]&0x3F));\r
  setprg8r((regs[3]>>6)&1,0xA000,(regs[3]&0x3F));\r
  setprg8r((regs[4]>>6)&1,0xC000,(regs[4]&0x3F));\r
  setprg8r(1,0xE000,~0);\r
  setmirror((regs[0xA]&3));\r
}\r
\r
static DECLFW(M190Write)\r
{\r
// FCEU_printf("write %04x:%04x %d, %d\n",A,V,scanline,timestamp);\r
  regs[(A&0x0F00)>>8]=V;\r
  Sync();\r
}\r
\r
static DECLFR(M190Read)\r
{\r
// FCEU_printf("read %04x:%04x %d, %d\n",A,regs[(A&0x0F00)>>8],scanline,timestamp);\r
  return regs[(A&0x0F00)>>8];\r
}\r
\r
static DECLFR(AWRAM)\r
{\r
  return(WRAM[A-0x7000]);\r
}\r
static DECLFW(BWRAM)\r
{\r
  WRAM[A-0x7000]=V;\r
}\r
\r
static DECLFR(ASWRAM)\r
{\r
  return(SWRAM[A-0x6000]);\r
}\r
static DECLFW(BSWRAM)\r
{\r
  SWRAM[A-0x6000]=V;\r
}\r
\r
static void M190Power(void)\r
{\r
  setvram8(CHRRAM);\r
  SetReadHandler(0x8000,0xFFFF,CartBR);\r
  SetWriteHandler(0x8000,0xFFFF,M190Write);\r
// SetReadHandler(0xDA00,0xDA00,M190Read);\r
// SetReadHandler(0xDB00,0xDB00,M190Read);\r
  SetReadHandler(0xDC00,0xDC00,M190Read);\r
  SetReadHandler(0xDD00,0xDD00,M190Read);\r
  SetReadHandler(0x7000,0x7FFF,AWRAM);\r
  SetWriteHandler(0x7000,0x7FFF,BWRAM);\r
  SetReadHandler(0x6000,0x6FFF,ASWRAM);\r
  SetWriteHandler(0x6000,0x6FFF,BSWRAM);\r
  Sync();\r
}\r
\r
static void M190Close(void)\r
{\r
  if(CHRRAM)\r
    FCEU_gfree(CHRRAM);\r
  CHRRAM=NULL;\r
}\r
\r
static void StateRestore(int version)\r
{\r
  Sync();\r
}\r
\r
void Mapper190_Init(CartInfo *info)\r
{\r
  info->Power=M190Power;\r
  info->Close=M190Close;\r
  if(info->battery)\r
  {\r
    info->SaveGame[0]=SWRAM;\r
    info->SaveGameLen[0]=4096;\r
  }\r
  GameStateRestore=StateRestore;\r
  CHRRAM=(uint8*)FCEU_gmalloc(8192);\r
  SetupCartCHRMapping(0x10,CHRRAM,8192,1);\r
  AddExState(CHRRAM, 8192, 0, "CHRRAM");\r
  AddExState(&StateRegs, ~0, 0, 0);\r
}\r