merge mapper code from FCEUX
[fceu.git] / boards / 186.c
index 80b39d8..4976265 100644 (file)
-/* FCE Ultra - NES/Famicom Emulator
- *
- * Copyright notice for this file:
- *  Copyright (C) 2005 CaH4e3
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * Family Study Box by Fukutake Shoten
- */
-
-#include "mapinc.h"
-
-static uint8 SWRAM[2816];
-static uint8 *WRAM=NULL;
-static uint8 regs[4];
-
-static SFORMAT StateRegs[]=
-{
-  {regs, 4, "DREG"},
-  {SWRAM, 2816, "SWRAM"},
-  {0}
-};
-
-static void Sync(void)
-{
-  setprg8r(0x10,0x6000,regs[0]>>6);
-  setprg16(0x8000,regs[1]);
-  setprg16(0xc000,0);
-}
-
-static DECLFW(M186Write)
-{
-  if(A&0x4203) regs[A&3]=V;
-  Sync();
-}
-
-static DECLFR(M186Read)
-{
-  switch(A)
-  {
-    case 0x4200: return 0x00; break;
-    case 0x4201: return 0x00; break;
-    case 0x4202: return 0x40; break;
-    case 0x4203: return 0x00; break;
-  }
-  return 0xFF;
-}
-
-static DECLFR(ASWRAM)
-{
-  return(SWRAM[A-0x4400]);
-}
-static DECLFW(BSWRAM)
-{
-  SWRAM[A-0x4400]=V;
-}
-
-static void M186Power(void)
-{
-  setchr8(0);
-  SetReadHandler(0x6000,0xFFFF,CartBR);
-  SetWriteHandler(0x6000,0xFFFF,CartBW);
-  SetReadHandler(0x4200,0x43FF,M186Read);
-  SetWriteHandler(0x4200,0x43FF,M186Write);
-  SetReadHandler(0x4400,0x4EFF,ASWRAM);
-  SetWriteHandler(0x4400,0x4EFF,BSWRAM);
-  regs[0]=regs[1]=regs[2]=regs[3];
-  Sync();
-}
-
-static void M186Close(void)
-{
-  if(WRAM)
-    FCEU_gfree(WRAM);
-  WRAM=NULL;
-}
-
-static void M186Restore(int version)
-{
-  Sync();
-}
-
-void Mapper186_Init(CartInfo *info)
-{
-  info->Power=M186Power;
-  info->Close=M186Close;
-  GameStateRestore=M186Restore;
-  WRAM=(uint8*)FCEU_gmalloc(32384);
-  SetupCartPRGMapping(0x10,WRAM,32384,1);
-  AddExState(WRAM, 32384, 0, "WRAM");
-  AddExState(StateRegs, ~0, 0, 0);
-}
+/* 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA\r
+ *\r
+ * Family Study Box by Fukutake Shoten\r
+ */\r
+\r
+#include "mapinc.h"\r
+\r
+static uint8 SWRAM[2816];\r
+static uint8 *WRAM=NULL;\r
+static uint8 regs[4];\r
+\r
+static SFORMAT StateRegs[]=\r
+{\r
+  {regs, 4, "DREG"},\r
+  {SWRAM, 2816, "SWRAM"},\r
+  {0}\r
+};\r
+\r
+static void Sync(void)\r
+{\r
+  setprg8r(0x10,0x6000,regs[0]>>6);\r
+  setprg16(0x8000,regs[1]);\r
+  setprg16(0xc000,0);\r
+}\r
+\r
+static DECLFW(M186Write)\r
+{\r
+  if(A&0x4203) regs[A&3]=V;\r
+  Sync();\r
+}\r
+\r
+static DECLFR(M186Read)\r
+{\r
+  switch(A)\r
+  {\r
+    case 0x4200: return 0x00; break;\r
+    case 0x4201: return 0x00; break;\r
+    case 0x4202: return 0x40; break;\r
+    case 0x4203: return 0x00; break;\r
+  }\r
+  return 0xFF;\r
+}\r
+\r
+static DECLFR(ASWRAM)\r
+{\r
+  return(SWRAM[A-0x4400]);\r
+}\r
+static DECLFW(BSWRAM)\r
+{\r
+  SWRAM[A-0x4400]=V;\r
+}\r
+\r
+static void M186Power(void)\r
+{\r
+  setchr8(0);\r
+  SetReadHandler(0x6000,0xFFFF,CartBR);\r
+  SetWriteHandler(0x6000,0xFFFF,CartBW);\r
+  SetReadHandler(0x4200,0x43FF,M186Read);\r
+  SetWriteHandler(0x4200,0x43FF,M186Write);\r
+  SetReadHandler(0x4400,0x4EFF,ASWRAM);\r
+  SetWriteHandler(0x4400,0x4EFF,BSWRAM);\r
+  regs[0]=regs[1]=regs[2]=regs[3];\r
+  Sync();\r
+}\r
+\r
+static void M186Close(void)\r
+{\r
+  if(WRAM)\r
+    FCEU_gfree(WRAM);\r
+  WRAM=NULL;\r
+}\r
+\r
+static void M186Restore(int version)\r
+{\r
+  Sync();\r
+}\r
+\r
+void Mapper186_Init(CartInfo *info)\r
+{\r
+  info->Power=M186Power;\r
+  info->Close=M186Close;\r
+  GameStateRestore=M186Restore;\r
+  WRAM=(uint8*)FCEU_gmalloc(32768);\r
+  SetupCartPRGMapping(0x10,WRAM,32768,1);\r
+  AddExState(WRAM, 32768, 0, "WRAM");\r
+  AddExState(StateRegs, ~0, 0, 0);\r
+}\r