merge mappers from FCEU-mm

[fceu.git] / boards / SA-9602B.c

diff --git a/boards/SA-9602B.c b/boards/SA-9602B.c
new file mode 100644 (file)
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--- /dev/null
+++ b/boards/SA-9602B.c
@@ -0,0 +1,67 @@
+/* FCE Ultra - NES/Famicom Emulator\r
+ *\r
+ * Copyright notice for this file:\r
+ *  Copyright (C) 2012 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
+#include "mmc3.h"\r
+\r
+static void SA9602BPW(uint32 A, uint8 V)\r
+{\r
+  setprg8r(EXPREGS[1],A,V&0x3F);\r
+  if(MMC3_cmd&0x40)\r
+    setprg8r(0,0x8000,~(1));\r
+  else\r
+    setprg8r(0,0xc000,~(1));\r
+  setprg8r(0,0xe000,~(0));\r
+}\r
+\r
+static DECLFW(SA9602BWrite)\r
+{\r
+  switch(A & 0xe001)\r
+  {\r
+    case 0x8000: EXPREGS[0] = V; break;\r
+    case 0x8001:\r
+      if((EXPREGS[0] & 7) < 6)\r
+      {\r
+        EXPREGS[1] = V >> 6;\r
+        FixMMC3PRG(MMC3_cmd);\r
+      }\r
+      break;\r
+  }\r
+  MMC3_CMDWrite(A, V);\r
+}\r
+\r
+static void SA9602BPower(void)\r
+{\r
+  EXPREGS[0]=EXPREGS[1]=0;\r
+  GenMMC3Power();\r
+  SetReadHandler(0x8000,0xFFFF,CartBR);\r
+  SetWriteHandler(0x8000,0xBFFF,SA9602BWrite);\r
+}\r
+\r
+void SA9602B_Init(CartInfo *info)\r
+{\r
+  GenMMC3_Init(info, 512, 0, 0, 0);\r
+  pwrap=SA9602BPW;\r
+  mmc3opts|=2;\r
+  info->SaveGame[0]=UNIFchrrama;\r
+  info->SaveGameLen[0]=32 * 1024;\r
+  info->Power=SA9602BPower;\r
+  AddExState(EXPREGS, 2, 0, "EXPR");\r
+}\r