mappers updated to 0.98.16

[fceu.git] / boards / sheroes.c

diff --git a/boards/sheroes.c b/boards/sheroes.c
new file mode 100644 (file)
index 0000000..d228a26
--- /dev/null
+++ b/boards/sheroes.c
@@ -0,0 +1,86 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2006 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"
+#include "mmc3.h"
+
+//static uint8 *CHRRAM;
+static uint8 tekker;
+
+static void MSHCW(uint32 A, uint8 V)
+{
+  if(EXPREGS[0]&0x40)
+    setchr8r(0x10,0);
+  else
+  {
+    if(A<0x800)
+      setchr1(A,V|((EXPREGS[0]&8)<<5));
+    else if(A<0x1000)
+      setchr1(A,V|((EXPREGS[0]&4)<<6));
+    else if(A<0x1800)
+      setchr1(A,V|((EXPREGS[0]&1)<<8));
+    else
+      setchr1(A,V|((EXPREGS[0]&2)<<7));
+  }
+}
+
+static DECLFW(MSHWrite)
+{
+  EXPREGS[0]=V;
+  FixMMC3CHR(MMC3_cmd);
+}
+
+static DECLFR(MSHRead)
+{
+  return(tekker);
+}
+
+static void MSHReset(void)
+{
+  MMC3RegReset();
+  tekker^=0xFF;
+}
+
+static void MSHPower(void)
+{
+  tekker=0x00;
+  GenMMC3Power();
+  SetWriteHandler(0x4100,0x4100,MSHWrite);
+  SetReadHandler(0x4100,0x4100,MSHRead);
+}
+
+static void MSHClose(void)
+{
+  if(CHRRAM)
+    FCEU_gfree(CHRRAM);
+  CHRRAM=NULL;
+}
+
+void UNLSHeroes_Init(CartInfo *info)
+{
+  GenMMC3_Init(info, 256, 512, 0, 0);
+  cwrap=MSHCW;
+  info->Power=MSHPower;
+  info->Reset=MSHReset;
+  info->Close=MSHClose;
+  CHRRAM = (uint8*)FCEU_gmalloc(8192);
+  SetupCartCHRMapping(0x10, CHRRAM, 8192, 1);
+  AddExState(EXPREGS, 4, 0, "EXPR");
+}