updated bords/mappers/stuff to 0.98.15, lots of them got broken, asmcore support...
[fceu.git] / boards / datalatch.c
diff --git a/boards/datalatch.c b/boards/datalatch.c
new file mode 100644 (file)
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--- /dev/null
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+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2002 Xodnizel
+ *
+ * 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"
+
+static uint8 latche;
+
+//------------------ CPROM ---------------------------
+
+static DECLFW(CPROMWrite)
+{
+  latche=V&3;
+  setchr4(0x1000,latche);
+}
+
+static void CPROMReset(void)
+{
+  setprg32(0x8000,0);
+  setchr8(0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xffff,CPROMWrite);
+}
+
+static void CPROMRestore(int version)
+{
+  setchr4(0x1000,latche);
+}
+
+void CPROM_Init(CartInfo *info)
+{
+  info->Power=CPROMReset;
+  GameStateRestore=CPROMRestore;
+  AddExState(&latche, 1, 0, "LATC");
+}
+
+//------------------ CNROM ---------------------------
+
+DECLFW(CNROMWrite)
+{
+  latche=V&3;
+  setchr8(latche);
+}
+
+static void CNROMReset(void)
+{
+  setprg16(0x8000,0);
+  setprg16(0xC000,1);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  SetWriteHandler(0x8000,0xffff,CNROMWrite);
+}
+
+static void CNROMRestore(int version)
+{
+  setchr8(latche);
+}
+
+void CNROM_Init(CartInfo *info)
+{
+  info->Power=CNROMReset;
+  GameStateRestore=CNROMRestore;
+  AddExState(&latche, 1, 0, "LATC");
+}
+
+//------------------ NROM128 ---------------------------
+
+static void NROM128Reset(void)
+{
+  setprg16(0x8000,0);
+  setprg16(0xC000,0);
+  setchr8(0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+void NROM128_Init(CartInfo *info)
+{
+  info->Power=NROM128Reset;
+}
+
+//------------------ NROM256 ---------------------------
+
+static void NROM256Reset(void)
+{
+  setprg16(0x8000,0);
+  setprg16(0xC000,1);
+  setchr8(0);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+void NROM256_Init(CartInfo *info)
+{
+  info->Power=NROM256Reset;
+}
+
+//------------------ MHROM ---------------------------
+
+static DECLFW(MHROMWrite)
+{
+  setprg32(0x8000,V>>4);
+  setchr8(V);
+  latche=V;
+}
+
+static void MHROMReset(void)
+{
+  setprg32(0x8000,0);
+  setchr8(0);
+  latche=0;
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+static void MHROMRestore(int version)
+{
+  setprg32(0x8000,latche);
+  setchr8(latche);
+  SetWriteHandler(0x8000,0xffff,MHROMWrite);
+}
+
+void MHROM_Init(CartInfo *info)
+{ 
+  info->Power=MHROMReset;
+  AddExState(&latche, 1, 0,"LATC");
+  PRGmask32[0]&=1;
+  CHRmask8[0]&=1;
+  GameStateRestore=MHROMRestore;
+}
+
+//------------------ UNROM ---------------------------
+
+static void UNROMRestore(int version)
+{
+  setprg16(0x8000,latche);
+}
+
+static DECLFW(UNROMWrite)
+{
+  setprg16(0x8000,V);
+  latche=V;
+}
+
+static void UNROMReset(void)
+{
+  setprg16(0x8000,0);
+  setprg16(0xc000,~0);
+  setchr8(0);
+  SetWriteHandler(0x8000,0xffff,UNROMWrite);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+  latche=0;
+}
+
+void UNROM_Init(CartInfo *info)
+{
+  info->Power=UNROMReset;
+  PRGmask16[0]&=7;
+  AddExState(&latche, 1, 0, "LATC");
+  GameStateRestore=UNROMRestore;
+}
+
+//------------------ GNROM ---------------------------
+
+static void GNROMSync()
+{
+  setchr8(latche&3);
+  setprg32(0x8000,(latche>>4)&3);
+}
+
+static DECLFW(GNROMWrite)
+{
+  latche=V&0x33;
+  GNROMSync();
+}
+
+static void GNROMStateRestore(int version)
+{
+  GNROMSync();
+}
+
+static void GNROMReset(void)
+{
+  latche=0;
+  GNROMSync();
+  SetWriteHandler(0x8000,0xffff,GNROMWrite);
+  SetReadHandler(0x8000,0xFFFF,CartBR);
+}
+
+void GNROM_Init(CartInfo *info)
+{
+  info->Power=GNROMReset;
+  AddExState(&latche, 1, 0, "LATC");
+  GameStateRestore=GNROMStateRestore;
+}