more menu work, scalers, sound

[fceu.git] / boards / addrlatch.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
\r
#include "mapinc.h"\r
\r
static uint16 addrlatche;\r
\r
//------------------ UNLCC21 ---------------------------\r
\r
static DECLFW(UNLCC21Write)\r
{\r
  addrlatche=A;\r
  setchr8(addrlatche&1);\r
  setmirror(MI_0+((addrlatche&2)>>1));\r
}\r
\r
static void UNLCC21Power(void)\r
{\r
  setprg32(0x8000,0);\r
  setchr8(0);\r
  SetReadHandler(0x8000,0xFFFF,CartBR);\r
  SetWriteHandler(0x8000,0xffff,UNLCC21Write);\r
}\r
\r
static void UNLCC21Restore(int version)\r
{\r
  setchr8(addrlatche&1);\r
  setmirror(MI_0+((addrlatche&2)>>1));\r
}\r
\r
void UNLCC21_Init(CartInfo *info)\r
{\r
  info->Power=UNLCC21Power;\r
  GameStateRestore=UNLCC21Restore;\r
  AddExState(&addrlatche, 2, 0, "ALATC");\r
}\r