Fixed some small bugs in XGM2Tool

Author: Stephane-D

bin/xgm2tool.jar

@@ -17,7 +17,7 @@
 
 public class Launcher extends JFrame
 {
-    final static String VERSION = "1.04";
+    final static String VERSION = "1.05";
 
     final static int SYSTEM_AUTO = -1;
     final static int SYSTEM_NTSC = 0;

tools/xgm2tool/src/sgdk/xgm2tool/Launcher.java

@@ -906,7 +906,7 @@ else if (com.isYMSetTL() || com.isYMKeyAdvWrite() || com.isYMKeySequence() || co
         boolean canCombineON = false;
         XGMFMCommand setFreq = null;
 
-        // isolated key-on / key-off combine
+        // isolated key-off/on sequence combine
         for (XGMFMCommand com : fmChannelCommands)
         {
             if (com.isYMKeyOFFWrite())
@@ -926,12 +926,26 @@ else if (com.isYMKeyONWrite())
             }
             else if (com.isYMSetTL() || com.isYMKeyAdvWrite() || com.isYMKeySequence() || com.isYMLoadInst() || com.isYMWrite())
             {
-                // not yet meet the set freq command ? --> cancel combination
-                if (setFreq == null)
+                // meet a set freq command ? --> combine now
+                if (setFreq != null)
                 {
-                    canCombineOFF = false;
-                    canCombineON = false;
+                    if (canCombineOFF)
+                    {
+                        setFreq.setYMFreqKeyOFF();
+                        lastKeyOFF.setDummy();
+                    }
+                    if (canCombineON)
+                    {
+                        setFreq.setYMFreqKeyON();
+                        lastKeyON.setDummy();
+                    }
                 }
+                
+                // done
+                canCombineOFF = false;
+                canCombineON = false;
+                setFreq = null;
+                hasKeyOn = false;
             }
             // the driver does not support key on/off on setFreq special
             else if (com.isYMFreqWrite() && !com.isYMFreqSpecialWrite())
@@ -942,14 +956,15 @@ else if (com.isYMFreqWrite() && !com.isYMFreqSpecialWrite())
             }
         }
 
+        // last set Freq to combine ?
         if (setFreq != null)
         {
-            if (canCombineOFF && !setFreq.isYMFreqWithKeyOFF())
+            if (canCombineOFF)
             {
                 setFreq.setYMFreqKeyOFF();
                 lastKeyOFF.setDummy();
             }
-            if (canCombineON && !setFreq.isYMFreqWithKeyON())
+            if (canCombineON)
             {
                 setFreq.setYMFreqKeyON();
                 lastKeyON.setDummy();

tools/xgm2tool/src/sgdk/xgm2tool/format/XGM.java

@@ -124,24 +124,37 @@ else if (type == 1)
 
     public boolean isSame(PSGState state, int ind, int typ)
     {
-        if ((init[ind][typ] == false) && (state.init[ind][typ] == false))
+    	// consider same if 'state' is not initialised here
+        if (!state.init[ind][typ])
             return true;
+        // consider different if we are not initialised here while 'state' is
+        if (!init[ind][typ])
+            return false;
 
         return init[ind][typ] && (state.get(ind, typ) == get(ind, typ));
     }
 
     public boolean isLowSame(PSGState state, int ind, int typ)
     {
-        if ((init[ind][typ] == false) && (state.init[ind][typ] == false))
+    	// consider same if 'state' is not initialised here
+        if (!state.init[ind][typ])
             return true;
+        // consider different if we are not initialised here while 'state' is
+        if (!init[ind][typ])
+            return false;
 
         return init[ind][typ] && ((state.get(ind, typ) & 0xF) == (get(ind, typ) & 0xF));
     }
 
     public boolean isHighSame(PSGState state, int ind, int typ)
     {
-        if ((init[ind][typ] == false) && (state.init[ind][typ] == false))
+    	// consider same if 'state' is not initialised here
+        if (!state.init[ind][typ])
             return true;
+        // consider different if we are not initialised here while 'state' is
+        if (!init[ind][typ])
+            return false;
+
 
         return init[ind][typ] && ((state.get(ind, typ) & 0x3F0) == (get(ind, typ) & 0x3F0));
     }