boards/konami-qtai.c

   1 /* FCE Ultra - NES/Famicom Emulator\r
   2  *\r
   3  * Copyright notice for this file:\r
   4  *  Copyright (C) 2005 CaH4e3\r
   5  *\r
   6  * This program is free software; you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation; either version 2 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * This program is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with this program; if not, write to the Free Software\r
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
  19  *\r
  20  * CAI Shogakko no Sansu\r
  21  */\r
  22 \r
  23 #include "mapinc.h"\r
  24 \r
  25 static uint8 *CHRRAM=NULL;\r
  26 static uint8 SWRAM[4096];\r
  27 \r
  28 static uint8 regs[16];\r
  29 static uint8 WRAM[4096];\r
  30 static SFORMAT StateRegs[]=\r
  31 {\r
  32   {&regs, 16, "REGS"},\r
  33   {WRAM, 4096, "WRAM"},\r
  34   {0}\r
  35 };\r
  36 \r
  37 static void Sync(void)\r
  38 {\r
  39   if(regs[5]&0x40)\r
  40   {\r
  41     setchr4r(0,0x1000,regs[5]&0x3F);\r
  42   }\r
  43   else\r
  44   {\r
  45     setchr4r(0x10,0x0000,regs[5]);\r
  46     setchr4r(0x10,0x1000,regs[5]^1);\r
  47   }\r
  48   setprg8r((regs[2]>>6)&1,0x8000,(regs[2]&0x3F));\r
  49   setprg8r((regs[3]>>6)&1,0xA000,(regs[3]&0x3F));\r
  50   setprg8r((regs[4]>>6)&1,0xC000,(regs[4]&0x3F));\r
  51   setprg8r(1,0xE000,~0);\r
  52   setmirror((regs[0xA]&3));\r
  53 }\r
  54 \r
  55 static DECLFW(M190Write)\r
  56 {\r
  57 // FCEU_printf("write %04x:%04x %d, %d\n",A,V,scanline,timestamp);\r
  58   regs[(A&0x0F00)>>8]=V;\r
  59   Sync();\r
  60 }\r
  61 \r
  62 static DECLFR(M190Read)\r
  63 {\r
  64 // FCEU_printf("read %04x:%04x %d, %d\n",A,regs[(A&0x0F00)>>8],scanline,timestamp);\r
  65   return regs[(A&0x0F00)>>8];\r
  66 }\r
  67 \r
  68 static DECLFR(AWRAM)\r
  69 {\r
  70   return(WRAM[A-0x7000]);\r
  71 }\r
  72 static DECLFW(BWRAM)\r
  73 {\r
  74   WRAM[A-0x7000]=V;\r
  75 }\r
  76 \r
  77 static DECLFR(ASWRAM)\r
  78 {\r
  79   return(SWRAM[A-0x6000]);\r
  80 }\r
  81 static DECLFW(BSWRAM)\r
  82 {\r
  83   SWRAM[A-0x6000]=V;\r
  84 }\r
  85 \r
  86 static void M190Power(void)\r
  87 {\r
  88   setvram8(CHRRAM);\r
  89   SetReadHandler(0x8000,0xFFFF,CartBR);\r
  90   SetWriteHandler(0x8000,0xFFFF,M190Write);\r
  91 // SetReadHandler(0xDA00,0xDA00,M190Read);\r
  92 // SetReadHandler(0xDB00,0xDB00,M190Read);\r
  93   SetReadHandler(0xDC00,0xDC00,M190Read);\r
  94   SetReadHandler(0xDD00,0xDD00,M190Read);\r
  95   SetReadHandler(0x7000,0x7FFF,AWRAM);\r
  96   SetWriteHandler(0x7000,0x7FFF,BWRAM);\r
  97   SetReadHandler(0x6000,0x6FFF,ASWRAM);\r
  98   SetWriteHandler(0x6000,0x6FFF,BSWRAM);\r
  99   Sync();\r
 100 }\r
 101 \r
 102 static void M190Close(void)\r
 103 {\r
 104   if(CHRRAM)\r
 105     FCEU_gfree(CHRRAM);\r
 106   CHRRAM=NULL;\r
 107 }\r
 108 \r
 109 static void StateRestore(int version)\r
 110 {\r
 111   Sync();\r
 112 }\r
 113 \r
 114 void Mapper190_Init(CartInfo *info)\r
 115 {\r
 116   info->Power=M190Power;\r
 117   info->Close=M190Close;\r
 118   if(info->battery)\r
 119   {\r
 120     info->SaveGame[0]=SWRAM;\r
 121     info->SaveGameLen[0]=4096;\r
 122   }\r
 123   GameStateRestore=StateRestore;\r
 124   CHRRAM=(uint8*)FCEU_gmalloc(8192);\r
 125   SetupCartCHRMapping(0x10,CHRRAM,8192,1);\r
 126   AddExState(CHRRAM, 8192, 0, "CHRRAM");\r
 127   AddExState(&StateRegs, ~0, 0, 0);\r
 128 }\r