updated bords/mappers/stuff to 0.98.15, lots of them got broken, asmcore support...

[fceu.git] / mappers / 230.c

diff --git a/mappers/230.c b/mappers/230.c
new file mode 100644 (file)
index 0000000..cbf1fbe
--- /dev/null
+++ b/mappers/230.c
@@ -0,0 +1,62 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2003 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
+ */
+
+#include "mapinc.h"
+
+#define rom_sw mapbyte1[0]
+
+void Mapper230_Reset(void)
+{
+        rom_sw ^= 1; //1 - rom_sw;
+
+        if( rom_sw ) {
+                ROM_BANK16(0x8000,0);
+                ROM_BANK16(0xc000,7);
+        } else {
+                ROM_BANK16(0x8000,8);
+                ROM_BANK16(0xc000,39);
+        }
+        MIRROR_SET2(1);
+}
+
+static DECLFW(Mapper230_write)
+{
+        if( rom_sw ) {
+                ROM_BANK16( 0x8000, V&0x07 );
+        } else {
+                if( V & 0x20 ) {
+                        ROM_BANK16( 0x8000, (V&0x1F)+8 );
+                        ROM_BANK16( 0xc000, (V&0x1F)+8 );
+                } else {
+                        ROM_BANK32( ((V&0x1E) >> 1) + 4 );
+                }
+                MIRROR_SET2( ((V & 0x40) >> 6) );
+        }
+}
+
+void Mapper230_init(void)
+{
+        ROM_BANK16(0x8000,0);
+        ROM_BANK16(0xc000,7);
+        SetWriteHandler(0x8000, 0xffff, Mapper230_write);
+        MapperReset = Mapper230_Reset;
+        rom_sw = 1;
+}
+