X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F3d-block.c;fp=boards%2F3d-block.c;h=24572a41c33f084b41ca9cef281f7df972da5273;hp=0000000000000000000000000000000000000000;hb=386f5371eb984fb9c2860c83e740890a75cd45c1;hpb=eec2623f6183dd0f9494b99065a16bf90f2a1ccf

diff --git a/boards/3d-block.c b/boards/3d-block.c
new file mode 100644
index 0000000..24572a4
--- /dev/null
+++ b/boards/3d-block.c
@@ -0,0 +1,110 @@
+/* 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "mapinc.h"
+
+static uint8 reg[4], IRQa;
+static int16 IRQCount, IRQPause;
+
+static int16 Count = 0x0000;
+
+static SFORMAT StateRegs[]=
+{
+  {reg, 4, "REGS"},
+  {&IRQa, 1, "IRQA"},
+  {&IRQCount, 2, "IRQC"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setprg32(0x8000,0);
+  setchr8(0);
+}
+
+//#define Count 0x1800
+#define Pause 0x010
+
+static DECLFW(UNL3DBlockWrite)
+{
+  switch(A)
+  {
+//4800 32
+//4900 37
+//4a00 01
+//4e00 18
+    case 0x4800: reg[0]=V; break;
+    case 0x4900: reg[1]=V; break;
+    case 0x4a00: reg[2]=V; break;
+    case 0x4e00: reg[3]=V; IRQCount=Count; IRQPause=Pause; IRQa=1; X6502_IRQEnd(FCEU_IQEXT); break;
+  } 
+}
+
+static void UNL3DBlockPower(void)
+{
+  Sync();
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x4800,0x4E00,UNL3DBlockWrite);
+}
+
+static void UNL3DBlockReset(void)
+{
+  Count+=0x10;
+  FCEU_printf("Count=%04x\n",Count);
+}
+
+static void UNL3DBlockIRQHook(int a)
+{
+  if(IRQa)
+  {
+    if(IRQCount>0)
+    {
+      IRQCount-=a;
+    }
+    else
+    {
+      if(IRQPause>0)
+      {
+        IRQPause-=a;
+        X6502_IRQBegin(FCEU_IQEXT);
+      }
+      else
+      {
+        IRQCount=Count; 
+        IRQPause=Pause;
+        X6502_IRQEnd(FCEU_IQEXT);
+      }
+    }
+  }
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void UNL3DBlock_Init(CartInfo *info)
+{
+  info->Power=UNL3DBlockPower;
+  info->Reset=UNL3DBlockReset;
+  MapIRQHook=UNL3DBlockIRQHook;
+  GameStateRestore=StateRestore;
+  AddExState(&StateRegs, ~0, 0, 0);
+}