X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2Ftransformer.c;fp=boards%2Ftransformer.c;h=0ac2a1c45f063ae90629ec114f69d6a1538a119a;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/transformer.c b/boards/transformer.c
new file mode 100644
index 0000000..0ac2a1c
--- /dev/null
+++ b/boards/transformer.c
@@ -0,0 +1,103 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2009 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 *WRAM=NULL;
+static uint32 WRAMSIZE;
+
+char *GetKeyboard(void);
+
+static char *TransformerKeys, oldkeys[256];
+static int TransformerCycleCount, TransformerChar = 0;
+
+static void FP_FASTAPASS(1) TransformerIRQHook(int a)
+{
+ TransformerCycleCount+=a;
+ if(TransformerCycleCount >= 1000)
+ {
+   uint32 i;
+   TransformerCycleCount -= 1000;
+   TransformerKeys = GetKeyboard();
+  
+   for(i=0; i<256; i++) {
+     if(oldkeys[i] != TransformerKeys[i]) {
+       if(oldkeys[i] == 0)
+         TransformerChar = i;
+       else
+         TransformerChar = i | 0x80;
+       X6502_IRQBegin(FCEU_IQEXT);
+       memcpy((void *)&oldkeys[0], (void *)TransformerKeys, 256);
+       break;
+     }
+   }
+ }
+}
+
+static DECLFR(TransformerRead)
+{
+  uint8 ret = 0;
+  switch(A&3) {
+    case 0: ret = TransformerChar & 15; break;
+    case 1: ret = (TransformerChar >> 4); break;
+    case 2: break;
+    case 4: break;
+  }
+  X6502_IRQEnd(FCEU_IQEXT);
+  return ret;
+}
+
+static void TransformerPower(void)
+{
+  setprg8r(0x10,0x6000,0);
+  setprg16(0x8000,0);
+  setprg16(0xC000,~0);
+  setchr8(0);
+
+  SetReadHandler(0x5000,0x5004,TransformerRead);
+  SetReadHandler(0x6000,0x7FFF,CartBR);
+  SetWriteHandler(0x6000,0x7FFF,CartBW);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+
+  MapIRQHook=TransformerIRQHook;
+}
+
+static void TransformerClose(void)
+{
+  if(WRAM)
+    FCEU_gfree(WRAM);
+  WRAM=NULL;
+}
+
+void Transformer_Init(CartInfo *info)
+{
+  info->Power=TransformerPower;
+  info->Close=TransformerClose;
+
+  WRAMSIZE=8192;
+  WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
+  SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
+  if(info->battery)
+  {
+    info->SaveGame[0]=WRAM;
+    info->SaveGameLen[0]=WRAMSIZE;
+  }
+  AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+}