Create method to generate an outstate giving an index

src/main/java/info/hkzlab/dupal/analyzer/palanalisys/explorers/OSExplorer.java

@@ -15,21 +15,12 @@ public class OSExplorer {
 
     private OSExplorer() {};
 
-    public static void exploreOutStates(final DuPALCmdInterface dpci, int ioAsOutMask) throws DuPALBoardException {
+    public static void exploreOutStates(final DuPALCmdInterface dpci, final int ioAsOutMask) throws DuPALBoardException {
         PALSpecs pSpecs = dpci.palSpecs;
         int maxLinks = 1 << (pSpecs.getPinCount_IN() + (pSpecs.getPinCount_IO()-BitUtils.countBits(ioAsOutMask)));
-        int ioAsOut_W = BitUtils.scatterBitField(BitUtils.consolidateBitField(ioAsOutMask, pSpecs.getMask_IO_R()), pSpecs.getMask_IO_W());
-        int pinState_A, pinState_B;
-        OutStatePins osp;
         OutState curState;
 
-        dpci.write(0); // Set every input pin (and I/Os too) to low
-        pinState_A = dpci.read();
-        dpci.write(pSpecs.getMask_O_W() | ioAsOut_W);
-        pinState_B = dpci.read();
-        osp = extractOutPinStates(pSpecs, ioAsOutMask, pinState_A, pinState_B);
-
-        curState = new OutState(osp, maxLinks);
+        curState = generateOutStateForIdx(dpci, 0, ioAsOutMask, maxLinks);
         logger.info("exploreOutStates() -> Initial state: " + curState);
 
         //while(curState != null) {
@@ -37,6 +28,25 @@ public class OSExplorer {
         //}
     }
 
+    private static OutState generateOutStateForIdx(final DuPALCmdInterface dpci, final int idx, final int ioAsOutMask, int maxLinks)
+            throws DuPALBoardException {
+        PALSpecs pSpecs = dpci.palSpecs;
+        int ioAsOut_W = BitUtils.scatterBitField(BitUtils.consolidateBitField(ioAsOutMask, pSpecs.getMask_IO_R()), pSpecs.getMask_IO_W());
+        int pinState_A, pinState_B;
+
+        int w_idx = BitUtils.scatterBitField(idx, dpci.palSpecs.getMask_IN());
+        w_idx |= BitUtils.scatterBitField((idx >> dpci.palSpecs.getPinCount_IN()), dpci.palSpecs.getMask_IO_W() & ~ioAsOut_W);
+
+        dpci.write(w_idx);
+        pinState_A = dpci.read();
+        dpci.write(w_idx | pSpecs.getMask_O_W() | ioAsOut_W);
+        pinState_B = dpci.read();
+
+        OutStatePins osp = extractOutPinStates(pSpecs, ioAsOutMask, pinState_A, pinState_B);
+
+        return new OutState(osp, maxLinks);
+    }
+
     private static OutStatePins extractOutPinStates(PALSpecs pSpecs, int ioAsOutMask, int read_a, int read_b) {
         int out, hiz;
 

src/main/java/info/hkzlab/dupal/analyzer/palanalisys/graph/OutState.java

@@ -31,6 +31,10 @@ public class OutState implements GraphState {
         return links.length;
     }
 
+    public int getNextLinkIdx() {
+        return lastOutLinkIdx;
+    }
+
     private boolean setOutLinkAtIdx(OutLink link, int idx) {
         if(links[idx] != null) return false;
         links[idx] = link;