Implementing breakpoint condition evaluator

src/desktop/Main.java

@@ -50,6 +50,16 @@ public class Main {
 
         // Begin application operations
         new App(useNative);
+
+/*
+        var brk = new Breakpoint();
+        String exp = "([sp - 8] & 3) << 6 != 12.0 + r6 * ecr && [0x0500008C + r8] == 0";
+        System.out.println(exp);
+        if (brk.setCondition(exp))
+            System.out.println(brk.debug());
+        else System.out.println(brk.getErrorCode() + "\t" +
+            brk.getErrorPosition() + ":" + brk.getErrorText());
+*/
     }
 
 }

src/desktop/vue/CPU.java

@@ -1114,7 +1114,7 @@ this.cycles = 0; // DEBUG: Stop processing after execute
 
     // Trap
     private void TRAP() {
-        exception.code = 0xFFA0 | inst.imm & 15;
+        exception.code = 0xFFA0 | inst.imm & 31;
         pc += 2;
     }
 

src/desktop/vue/JavaVUE.java

@@ -91,6 +91,12 @@ class JavaVUE extends VUE {
         return Math.max(0, maxCycles);
     }
 
+    // Evaluate the condition in a breakpoint
+    public boolean evaluate(Breakpoint brk) {
+        return brk != null ? false :
+            brk.evaluate(this, new int[brk.depth() * 2]);
+    }
+
     // Retrieve the application break code
     public int getBreakCode() {
         return breakCode;

src/desktop/vue/NativeVUE.java

@@ -29,6 +29,9 @@ class NativeVUE extends VUE {
     // Process the simulation
     public native int emulate(int maxCycles);
 
+    // Evaluate the condition in a breakpoint
+    public native boolean evaluate(Breakpoint brk);
+
     // Retrieve the application break code
     public native int getBreakCode();
 

src/desktop/vue/VUE.java

@@ -173,6 +173,9 @@ public abstract class VUE {
     // Process the simulation
     public abstract int emulate(int maxCycles);
 
+    // Evaluate the condition in a breakpoint
+    public abstract boolean evaluate(Breakpoint brk);
+
     // Retrieve the application break code
     public abstract int getBreakCode();