more or less almost done with the instr reels.

src/spider/runtime/cpu/CPU.hpp

@@ -42,7 +42,16 @@ namespace spider {
          * This way we don't "write" into constant values, rather
          * we write into a writeable var which is "hidden"
          */
-        register_t ALU0, ALU1;
+        register_t ALU0;
+
+        union {
+            struct {
+                register_t* _dst;
+                register_t* _src;
+            };
+            register_t* _opers[2];
+        };
+        
 
     private:
 
@@ -67,10 +76,6 @@ namespace spider {
          */
         InstrReel* _reel;
 
-        register_t* _next;
-        u8 _addrm : 6;
-        u8 _size : 2;
-
     public:
 
         CPU();