Add mapper 449

src/boards/449.c

@@ -0,0 +1,83 @@
+/* FCEUmm - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2022
+ *
+ * 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 uint16 latchAddr;
+static uint8  latchData;
+
+static SFORMAT StateRegs[] =
+{
+   { &latchAddr, 2, "ADDR" },
+   { &latchData, 1, "DATA" },
+   { 0 }
+};
+
+static void Mapper449_Sync(void)
+{
+   int prg =latchAddr >>2 &0x1F | latchAddr >>3 &0x20;
+   if (~latchAddr &0x080)
+   {
+      setprg16(0x8000, prg);
+      setprg16(0xC000, prg |7);
+   }
+   else
+   {
+      if (latchAddr &0x001)
+      {
+         setprg32(0x8000, prg >>1);
+      }
+      else
+      {
+         setprg16(0x8000, prg);
+         setprg16(0xC000, prg);
+      }
+   }
+   setchr8(latchData);
+   setmirror(latchAddr &0x002? MI_H: MI_V);
+}
+
+static DECLFW(Mapper449_WriteLatch)
+{
+   latchData =V;
+   latchAddr =A &0xFFFF;
+   Mapper449_Sync();
+}
+
+static void Mapper449_Reset(void)
+{
+   latchAddr =latchData =0;
+   Mapper449_Sync();
+}
+
+static void Mapper449_Power(void)
+{
+   latchAddr =latchData =0;
+   Mapper449_Sync();
+   SetWriteHandler(0x8000, 0xFFFF, Mapper449_WriteLatch);
+   SetReadHandler(0x6000, 0xFFFF, CartBR);
+}
+
+void Mapper449_Init(CartInfo *info)
+{
+   info->Power       = Mapper449_Power;
+   info->Reset       = Mapper449_Reset;
+   AddExState(StateRegs, ~0, 0, 0);
+}

src/ines.c

@@ -818,6 +818,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "850335C",                  441, Mapper441_Init         )
 	INES_BOARD( "NC-3000M",                 443, Mapper443_Init         )
 	INES_BOARD( "NC-7000M/NC-8000M",        444, Mapper444_Init         )
+	INES_BOARD( "22-in-1 King Series",      449, Mapper449_Init         )
 	INES_BOARD( "DS-9-27",                  452, Mapper452_Init         )
 	INES_BOARD( "K6C3001A",                 456, Mapper456_Init         )
 	INES_BOARD( "8-in-1",                   459, Mapper459_Init         )

src/ines.h

@@ -326,6 +326,7 @@ void Mapper438_Init(CartInfo *);
 void Mapper441_Init(CartInfo *);
 void Mapper443_Init(CartInfo *);
 void Mapper444_Init(CartInfo *);
+void Mapper449_Init(CartInfo *);
 void Mapper452_Init(CartInfo *);
 void Mapper456_Init(CartInfo *);
 void Mapper459_Init(CartInfo *);