merge mappers from FCEU-mm

[fceu.git] / boards / famicombox.c

diff --git a/boards/famicombox.c b/boards/famicombox.c
new file mode 100644 (file)
index 0000000..2bc8a4f
--- /dev/null
+++ b/boards/famicombox.c
@@ -0,0 +1,124 @@
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ *  Copyright (C) 2009 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 uint8 regs[8];\r
+static uint8 *WRAM = NULL;\r
+static uint32 WRAMSIZE;\r
+\r
+static SFORMAT StateRegs[]=\r
+{\r
+  {regs, 8, "REGS"},\r
+  {0}\r
+};\r
+\r
+static void Sync(void)\r
+{\r
+  setprg2r(0x10,0x0800,0);\r
+  setprg2r(0x10,0x1000,1);\r
+  setprg2r(0x10,0x1800,2);\r
+  setprg8r(0x10,0x6000,1);\r
+  setprg16(0x8000,0);\r
+  setprg16(0xC000,~0);\r
+  setchr8(0);\r
+}\r
+\r
+//static DECLFW(SSSNROMWrite)\r
+//{\r
+//  CartBW(A,V);\r
+//}\r
+\r
+static DECLFW(SSSNROMWrite)\r
+{\r
+  //FCEU_printf("write %04x %02x\n",A,V);\r
+  //regs[A&7] = V;\r
+}\r
+\r
+static DECLFR(SSSNROMRead)\r
+{\r
+  //FCEU_printf("read %04x\n",A);\r
+  switch(A&7) {\r
+  case 0: return regs[0]=0xff;   // clear all exceptions\r
+  case 2: return 0xc0; // DIP selftest + freeplay\r
+  case 3: return 0x00; // 0, 1 - attract\r
+                       // 2\r
+                       // 4    - menu\r
+                       // 8    - self check and game casette check\r
+                       // 10   - lock?\r
+                       // 20   - game title & count display\r
+  case 7: return 0x22; // TV type, key not turned, relay B\r
+  default: return 0;\r
+  }\r
+}\r
+\r
+static void SSSNROMPower(void)\r
+{\r
+  regs[0]=regs[1]=regs[2]=regs[3]=regs[4]=regs[5]=regs[6]=0;\r
+  regs[7]=0xff;\r
+  Sync();\r
+  memset(WRAM,0x00,WRAMSIZE);\r
+//  SetWriteHandler(0x0000,0x1FFF,SSSNROMRamWrite);\r
+  SetReadHandler(0x0800,0x1FFF,CartBR);\r
+  SetWriteHandler(0x0800,0x1FFF,CartBW);\r
+  SetReadHandler(0x5000,0x5FFF,SSSNROMRead);\r
+  SetWriteHandler(0x5000,0x5FFF,SSSNROMWrite);\r
+  SetReadHandler(0x6000,0x7FFF,CartBR);\r
+  SetWriteHandler(0x6000,0x7FFF,CartBW);\r
+  SetReadHandler(0x8000,0xFFFF,CartBR);\r
+}\r
+\r
+static void SSSNROMReset(void)\r
+{\r
+  regs[1]=regs[2]=regs[3]=regs[4]=regs[5]=regs[6]=0;\r
+}\r
+\r
+static void SSSNROMClose(void)\r
+{\r
+  if(WRAM)\r
+    FCEU_gfree(WRAM);\r
+  WRAM=NULL;\r
+}\r
+\r
+static void SSSNROMIRQHook(void)\r
+{\r
+//  X6502_IRQBegin(FCEU_IQEXT);\r
+}\r
+\r
+static void StateRestore(int version)\r
+{\r
+  Sync();\r
+}\r
+\r
+void SSSNROM_Init(CartInfo *info)\r
+{\r
+  info->Reset=SSSNROMReset;\r
+  info->Power=SSSNROMPower;\r
+  info->Close=SSSNROMClose;\r
+  GameHBIRQHook=SSSNROMIRQHook;\r
+  GameStateRestore=StateRestore;\r
+\r
+  WRAMSIZE=16384;\r
+  WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);\r
+  SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);\r
+\r
+  AddExState(WRAM, WRAMSIZE, 0, "WRAM");\r
+  AddExState(&StateRegs, ~0, 0, 0);\r
+}\r