merge mapper code from FCEUX

[fceu.git] / boards / 183.c

diff --git a/boards/183.c b/boards/183.c
index 94cf072..bf0b7c0 100644 (file)
--- a/boards/183.c
+++ b/boards/183.c
@@ -15,9 +15,9 @@
  *\r
  * You should have received a copy of the GNU General Public License\r
  * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA\r
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA\r
  *\r
- * Gimmick Bootleg\r
+ * Gimmick Bootleg (VRC4 mapper)\r
  */\r
 \r
 #include "mapinc.h"\r
@@ -64,7 +64,7 @@ static DECLFW(M183Write)
 {\r
   if(((A&0xF80C)>=0xB000)&&((A&0xF80C)<=0xE00C))\r
   {\r
-    uint8 index=(((A&0x7000)>>11)-6)|((A&8)>>3);\r
+    uint8 index=(((A>>11)-6)|(A>>3))&7;\r
     chr[index]=(chr[index]&(0xF0>>(A&4)))|((V&0x0F)<<(A&4));\r
     SyncChr();\r
   }\r