X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2FKS7030.c;fp=boards%2FKS7030.c;h=58abf0e9369360226f82adb90aa874ac54b58786;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/KS7030.c b/boards/KS7030.c
new file mode 100644
index 0000000..58abf0e
--- /dev/null
+++ b/boards/KS7030.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
+ *
+ * FDS Conversion
+ *
+ * Logical bank layot 32 K BANK 0, 64K BANK 1, 32K ~0 hardwired, 8K is missing
+ * need redump from MASKROM!
+ * probably need refix mapper after hard dump
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 reg0, reg1;
+static uint8 *WRAM=NULL;
+static uint32 WRAMSIZE;
+
+static SFORMAT StateRegs[]=
+{
+  {&reg0, 1, "REG0"},
+  {&reg1, 1, "REG1"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setchr8(0);
+  setprg32(0x8000,~0);
+  setprg4(0xb800,reg0);
+  setprg4(0xc800,8+reg1);
+}
+
+// 6000 - 6BFF - RAM
+// 6C00 - 6FFF - BANK 1K REG1
+// 7000 - 7FFF - BANK 4K REG0
+
+static DECLFW(UNLKS7030RamWrite0)
+{
+  if((A >= 0x6000) && A <= 0x6BFF) {
+    WRAM[A-0x6000]=V;
+  } else if((A >= 0x6C00) && A <= 0x6FFF) {
+    CartBW(0xC800 + (A - 0x6C00), V);
+  } else if((A >= 0x7000) && A <= 0x7FFF) {
+    CartBW(0xB800 + (A - 0x7000), V);
+  }
+}
+
+static DECLFR(UNLKS7030RamRead0)
+{
+  if((A >= 0x6000) && A <= 0x6BFF) {
+    return WRAM[A-0x6000];
+  } else if((A >= 0x6C00) && A <= 0x6FFF) {
+    return CartBR(0xC800 + (A - 0x6C00));
+  } else if((A >= 0x7000) && A <= 0x7FFF) {
+    return CartBR(0xB800 + (A - 0x7000));
+  }
+  return 0;
+}
+
+// B800 - BFFF - RAM
+// C000 - CBFF - BANK 3K
+// CC00 - D7FF - RAM
+
+static DECLFW(UNLKS7030RamWrite1)
+{
+  if((A >= 0xB800) && A <= 0xBFFF) {
+    WRAM[0x0C00+(A-0xB800)]=V;
+  } else if((A >= 0xC000) && A <= 0xCBFF) {
+    CartBW(0xCC00 + (A - 0xC000), V);
+  } else if((A >= 0xCC00) && A <= 0xD7FF) {
+    WRAM[0x1400+(A-0xCC00)]=V;
+  }
+}
+
+static DECLFR(UNLKS7030RamRead1)
+{
+  if((A >= 0xB800) && A <= 0xBFFF) {
+    return WRAM[0x0C00+(A-0xB800)];
+  } else if((A >= 0xC000) && A <= 0xCBFF) {
+    return CartBR(0xCC00 + (A - 0xC000));
+  } else if((A >= 0xCC00) && A <= 0xD7FF) {
+    return WRAM[0x1400+(A-0xCC00)];
+  }
+  return 0;
+}
+
+static DECLFW(UNLKS7030Write0)
+{
+  reg0=A&7;
+  Sync();
+}
+
+static DECLFW(UNLKS7030Write1)
+{
+  reg1=A&15;
+  Sync();
+}
+
+static void UNLKS7030Power(void)
+{
+  reg0=reg1=~0;
+  Sync();
+  SetReadHandler(0x6000,0x7FFF,UNLKS7030RamRead0);
+  SetWriteHandler(0x6000,0x7FFF,UNLKS7030RamWrite0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0x8FFF,UNLKS7030Write0);
+  SetWriteHandler(0x9000,0x9FFF,UNLKS7030Write1);
+  SetReadHandler(0xB800,0xD7FF,UNLKS7030RamRead1);
+  SetWriteHandler(0xB800,0xD7FF,UNLKS7030RamWrite1);
+}
+
+static void UNLKS7030Close(void)
+{
+  if(WRAM)
+    FCEU_gfree(WRAM);
+  WRAM=NULL;
+}
+
+static void StateRestore(int version)
+{
+  Sync();
+}
+
+void UNLKS7030_Init(CartInfo *info)
+{
+  info->Power=UNLKS7030Power;
+  info->Close=UNLKS7030Close;
+  GameStateRestore=StateRestore;
+
+  WRAMSIZE=8192;
+  WRAM=(uint8*)FCEU_gmalloc(WRAMSIZE);
+  AddExState(WRAM, WRAMSIZE, 0, "WRAM");
+
+  AddExState(&StateRegs, ~0, 0, 0);
+}