Document final opcode investigations

engine/Age.Engine/Model/GfxState.cs

@@ -922,7 +922,8 @@ public sealed class GfxState
         }
     }
 
-    /// <summary>Op 0x13a: replace one of the native engine's eleven decimal-glyph atlas styles.</summary>
+    /// <summary>Op 0x13a: replace one of eleven safely isolated handler-addressable styles.
+    /// Native physically clears ten records; its admitted index 10 aliases return-stack storage.</summary>
     public bool RegisterNumericGlyphStyle(int styleIndex, int surfaceSlot, int atlasX, int atlasY,
                                           int digitWidth, int digitHeight)
     {

engine/Age.Engine/Vm/VirtualMachine.cs

@@ -1617,7 +1617,7 @@ public sealed class VirtualMachine
                 return pc + 1;
             }
             case "u0041EF00":
-            case "reset-int-queue": // 0x132 (queue_id): destroy/recreate one of 11 native FIFO slots
+            case "reset-int-queue": // 0x132: 11 safe logical slots; native's admitted id 10 aliases stack 0
             {
                 int queueId = unchecked((int)Read(a[0]));
                 if ((uint)queueId >= (uint)_intQueues.Length)