X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2FKS7057.c;fp=boards%2FKS7057.c;h=8dd3caadbf06729e9becedb3ea036bff45167b8d;hp=0000000000000000000000000000000000000000;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/KS7057.c b/boards/KS7057.c
new file mode 100644
index 0000000..8dd3caa
--- /dev/null
+++ b/boards/KS7057.c
@@ -0,0 +1,97 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2011 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
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 reg[8], mirror;
+static SFORMAT StateRegs[]=
+{
+  {reg, 8, "PRG"},
+  {&mirror, 1, "MIRR"},
+  {0}
+};
+
+static void Sync(void)
+{
+  setprg2(0x6000,reg[4]);
+  setprg2(0x6800,reg[5]);
+  setprg2(0x7000,reg[6]);
+  setprg2(0x7800,reg[7]);
+  setprg2(0x8000,reg[0]);
+  setprg2(0x8800,reg[1]);
+  setprg2(0x9000,reg[2]);
+  setprg2(0x9800,reg[3]);
+  setprg8(0xA000,0xd);
+  setprg16(0xC000,7);
+  setchr8(0);
+  setmirror(mirror);
+}
+
+static DECLFW(UNLKS7057Write)
+{
+  switch(A&0xF003) {
+   case 0x8000:
+   case 0x8001:
+   case 0x8002:
+   case 0x8003:
+   case 0x9000: 
+   case 0x9001: 
+   case 0x9002: 
+   case 0x9003: mirror = V & 1; Sync(); break;
+   case 0xB000: reg[0] = (reg[0] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xB001: reg[0] = (reg[0] & 0x0F) | (V << 4); Sync(); break;
+   case 0xB002: reg[1] = (reg[1] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xB003: reg[1] = (reg[1] & 0x0F) | (V << 4); Sync(); break;
+   case 0xC000: reg[2] = (reg[2] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xC001: reg[2] = (reg[2] & 0x0F) | (V << 4); Sync(); break;
+   case 0xC002: reg[3] = (reg[3] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xC003: reg[3] = (reg[3] & 0x0F) | (V << 4); Sync(); break;
+   case 0xD000: reg[4] = (reg[4] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xD001: reg[4] = (reg[4] & 0x0F) | (V << 4); Sync(); break;
+   case 0xD002: reg[5] = (reg[5] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xD003: reg[5] = (reg[5] & 0x0F) | (V << 4); Sync(); break;
+   case 0xE000: reg[6] = (reg[6] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xE001: reg[6] = (reg[6] & 0x0F) | (V << 4); Sync(); break;
+   case 0xE002: reg[7] = (reg[7] & 0xF0) | (V & 0x0F); Sync(); break;
+   case 0xE003: reg[7] = (reg[7] & 0x0F) | (V << 4); Sync(); break;
+  }
+}
+
+static void UNLKS7057Power(void)
+{
+  Sync();
+  SetReadHandler(0x6000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xFFFF,UNLKS7057Write);
+}
+
+static void UNLKS7057Reset(void)
+{
+  Sync();
+}
+
+void UNLKS7057_Init(CartInfo *info)
+{
+  info->Power=UNLKS7057Power;
+  info->Reset=UNLKS7057Reset;
+  AddExState(&StateRegs, ~0, 0, 0);
+}