X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2Fdance2000.c;fp=boards%2Fdance2000.c;h=8089270ab20824218581cba40268124e302bd89f;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/dance2000.c b/boards/dance2000.c
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--- /dev/null
+++ b/boards/dance2000.c
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+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2007 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
+ * 
+ * Dance 2000 12-in-1
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 prg, mirr, prgmode;
+static uint8 *WRAM=NULL;
+static uint32 WRAMSIZE;
+
+static SFORMAT StateRegs[]=
+{
+  {&prg, 1, "REGS"},
+  {&mirr, 1, "MIRR"},
+  {&prgmode, 1, "MIRR"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setmirror(mirr);
+  setprg8r(0x10,0x6000,0);
+  setchr8(0);
+  if(prgmode)
+    setprg32(0x8000,prg&7);
+  else {
+    setprg16(0x8000,prg&0x0f);
+    setprg16(0xC000,0);
+  }
+}
+
+static DECLFW(UNLD2000Write)
+{
+//  FCEU_printf("write %04x:%04x\n",A,V);
+  switch(A) {
+    case 0x5000: prg = V; Sync(); break;
+    case 0x5200: mirr = (V & 1)^1; prgmode = V & 4; Sync(); break;
+//    default: FCEU_printf("write %04x:%04x\n",A,V);
+  }
+}
+
+static DECLFR(UNLD2000Read)
+{
+  if(prg & 0x40)
+    return X.DB;
+  else
+    return CartBR(A);
+}
+
+static void UNLD2000Power(void)
+{
+  prg = prgmode = 0;
+  Sync();
+  SetReadHandler(0x6000,0x7FFF,CartBR);
+  SetWriteHandler(0x6000,0x7FFF,CartBW);
+  SetReadHandler(0x8000,0xFFFF,UNLD2000Read);
+  SetWriteHandler(0x4020,0x5FFF,UNLD2000Write);
+}
+
+static void UNLAX5705IRQ(void)
+{
+  if(scanline > 174) setchr4(0x0000,1);
+  else setchr4(0x0000,0);
+}
+
+static void UNLD2000Close(void)
+{
+  if(WRAM)
+    FCEU_gfree(WRAM);
+  WRAM=NULL;
+}
+
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void UNLD2000_Init(CartInfo *info)
+{
+  info->Power=UNLD2000Power;
+  info->Close=UNLD2000Close;
+  GameHBIRQHook=UNLAX5705IRQ;
+  GameStateRestore=StateRestore;
+
+  WRAMSIZE=8192;
+  WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
+  SetupCartPRGMapping(0x10,WRAM,WRAMSIZE,1);
+  AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+
+  AddExState(&StateRegs, ~0, 0, 0);
+}