merged ppu code, added input+zapper, FDS/VS insert in menu
[fceu.git] / input / ftrainer.c
diff --git a/input/ftrainer.c b/input/ftrainer.c
new file mode 100644 (file)
index 0000000..5669310
--- /dev/null
@@ -0,0 +1,74 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2003 Xodnizel
+ *
+ * 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 <string.h>
+#include "share.h"
+
+static uint32 FTVal,FTValR;
+static char side;
+
+static uint8 FP_FASTAPASS(2) FT_Read(int w, uint8 ret)
+{
+ if(w) 
+ {
+  ret|=FTValR;
+ }
+ return(ret);
+}
+
+static void FP_FASTAPASS(1) FT_Write(uint8 V)
+{
+ FTValR=0;
+
+ //printf("%08x\n",FTVal);
+ if(!(V&0x1))
+  FTValR=(FTVal>>8);
+ else if(!(V&0x2))
+  FTValR=(FTVal>>4);
+ else if(!(V&0x4))
+  FTValR=FTVal;
+
+ FTValR=(~FTValR)&0xF;
+ if(side=='B')
+  FTValR=((FTValR&0x8)>>3) | ((FTValR&0x4)>>1) | ((FTValR&0x2)<<1) | ((FTValR&0x1)<<3);
+ FTValR<<=1;
+}
+
+static void FP_FASTAPASS(2) FT_Update(void *data, int arg)
+{
+ FTVal=*(uint32 *)data;
+}
+
+static INPUTCFC FamilyTrainer={FT_Read,FT_Write,0,FT_Update,0,0};
+
+INPUTCFC *FCEU_InitFamilyTrainerA(void)
+{
+ side='A';
+ FTVal=FTValR=0;
+ return(&FamilyTrainer);
+}
+
+INPUTCFC *FCEU_InitFamilyTrainerB(void)
+{
+ side='B';
+ FTVal=FTValR=0;
+ return(&FamilyTrainer);
+}
+