X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=boards%2F43.c;h=94aa7b63403b32dec4280c1a1fc41838380db90e;hp=ee12dec6bd29695d36b3d214694c49114a6fabe0;hb=43725da7349c85fa13e828fdbf20cc7ac8d298d6;hpb=386f5371eb984fb9c2860c83e740890a75cd45c1

diff --git a/boards/43.c b/boards/43.c
index ee12dec..94aa7b6 100644
--- a/boards/43.c
+++ b/boards/43.c
@@ -15,16 +15,16 @@
  *
  * 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
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * FDS Conversion
+ *
  */
 
-//ccording to nestopia, BTL_SMB2_C, otherwise known as UNL-SMB2J
-
 #include "mapinc.h"
 
 static uint8 reg;
-static uint8 IRQa;
-static uint32 IRQCount;
+static uint32 IRQCount, IRQa;
 
 static SFORMAT StateRegs[]=
 {
@@ -36,7 +36,7 @@ static SFORMAT StateRegs[]=
 
 static void Sync(void)
 {
-  setprg4(0x5000,16);  
+  setprg4(0x5000,16);    // Only YS-612 advdnced version
   setprg8(0x6000,2);
   setprg8(0x8000,1);
   setprg8(0xa000,0);
@@ -47,11 +47,13 @@ static void Sync(void)
 
 static DECLFW(M43Write)
 {
-  int transo[8]={4,3,4,4,4,7,5,6};
+//  int transo[8]={4,3,4,4,4,7,5,6};
+  int transo[8]={4,3,5,3,6,3,7,3};  // According to hardware tests
   switch(A&0xf1ff)
   {
     case 0x4022: reg=transo[V&7]; Sync(); break;
-    case 0x8122: IRQa=V&1; IRQCount=0; break;
+    case 0x8122:                                                            // hacked version
+    case 0x4122: IRQa=V&1; X6502_IRQEnd(FCEU_IQEXT); IRQCount=0; break;     // original version
   }
 }
 
@@ -59,7 +61,6 @@ static void M43Power(void)
 {
   reg=0;
   Sync();
-//  SetReadHandler(0x5000,0x5fff,CartBR);
   SetReadHandler(0x5000,0xffff,CartBR);
   SetWriteHandler(0x4020,0xffff,M43Write);
 }
@@ -68,15 +69,15 @@ static void M43Reset(void)
 {
 }
 
-static void M43IRQHook(int a)
+static void FP_FASTAPASS(1) M43IRQHook(int a)
 {
- IRQCount+=a;
- if(IRQa)
-  if(IRQCount>=4096)
-  {
-   IRQa=0;
-   X6502_IRQBegin(FCEU_IQEXT);
-  }
+  IRQCount+=a;
+  if(IRQa)
+    if(IRQCount>=4096)
+    {
+      IRQa=0;
+      X6502_IRQBegin(FCEU_IQEXT);
+    }
 }
 
 static void StateRestore(int version)