-/* 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
- *
- */
-
-#include "mapinc.h"
-
-static uint8 prg_reg;
-static uint8 chr_reg;
-static uint8 hrd_flag;
-
-static SFORMAT StateRegs[]=
-{
- {&prg_reg, 1, "PRG"},
- {&chr_reg, 1, "CHR"},
- {0}
-};
-
-static void Sync(void)
-{
- if(prg_reg&0x80)
- setprg32(0x8000,prg_reg>>6);
- else
- {
- setprg16(0x8000,(prg_reg>>5)&3);
- setprg16(0xC000,(prg_reg>>5)&3);
- }
- setmirror((prg_reg&8)>>3);
- setchr8((chr_reg&3)|(prg_reg&7)|((prg_reg&0x10)>>1));
-}
-
-static DECLFR(M57Read)
-{
- return hrd_flag;
-}
-
-static DECLFW(M57Write)
-{
- if((A&0x8800)==0x8800)
- prg_reg=V;
- else
- chr_reg=V;
- Sync();
-}
-
-static void M57Power(void)
-{
- prg_reg=0;
- chr_reg=0;
- hrd_flag=0;
- SetReadHandler(0x8000,0xFFFF,CartBR);
- SetWriteHandler(0x8000,0xFFFF,M57Write);
- SetReadHandler(0x6000,0x6000,M57Read);
- Sync();
-}
-
-static void M57Reset()
-{
- if(hrd_flag==3)
- hrd_flag=0;
- else
- hrd_flag++;
- FCEU_printf("Select Register = %02x\n",hrd_flag);
-}
-
-static void StateRestore(int version)
-{
- Sync();
-}
-
-void Mapper57_Init(CartInfo *info)
-{
- info->Power=M57Power;
- info->Reset=M57Reset;
- GameStateRestore=StateRestore;
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ */\r
+\r
+#include "mapinc.h"\r
+\r
+static uint8 prg_reg;\r
+static uint8 chr_reg;\r
+static uint8 hrd_flag;\r
+\r
+static SFORMAT StateRegs[]=\r
+{\r
+ {&hrd_flag, 1, "DPSW"},\r
+ {&prg_reg, 1, "PRG"},\r
+ {&chr_reg, 1, "CHR"},\r
+ {0}\r
+};\r
+\r
+static void Sync(void)\r
+{\r
+ if(prg_reg&0x80)\r
+ setprg32(0x8000,prg_reg>>6);\r
+ else\r
+ {\r
+ setprg16(0x8000,(prg_reg>>5)&3);\r
+ setprg16(0xC000,(prg_reg>>5)&3);\r
+ }\r
+ setmirror((prg_reg&8)>>3);\r
+ setchr8((chr_reg&3)|(prg_reg&7)|((prg_reg&0x10)>>1));\r
+}\r
+\r
+static DECLFR(M57Read)\r
+{\r
+ return hrd_flag;\r
+}\r
+\r
+static DECLFW(M57Write)\r
+{\r
+ if((A&0x8800)==0x8800)\r
+ prg_reg=V;\r
+ else\r
+ chr_reg=V;\r
+ Sync();\r
+}\r
+\r
+static void M57Power(void)\r
+{\r
+ prg_reg=0;\r
+ chr_reg=0;\r
+ hrd_flag=0;\r
+ SetReadHandler(0x8000,0xFFFF,CartBR);\r
+ SetWriteHandler(0x8000,0xFFFF,M57Write);\r
+ SetReadHandler(0x6000,0x6000,M57Read);\r
+ Sync();\r
+}\r
+\r
+static void M57Reset()\r
+{\r
+ hrd_flag++;\r
+ hrd_flag&=3;\r
+ FCEU_printf("Select Register = %02x\n",hrd_flag);\r
+}\r
+\r
+static void StateRestore(int version)\r
+{\r
+ Sync();\r
+}\r
+\r
+void Mapper57_Init(CartInfo *info)\r
+{\r
+ info->Power=M57Power;\r
+ info->Reset=M57Reset;\r
+ GameStateRestore=StateRestore;\r
+ AddExState(&StateRegs, ~0, 0, 0);\r
+}\r