more or less almost done with the instr reels.

src/spider/runtime/cpu/CPU.cpp

@@ -19,7 +19,8 @@ namespace spider {
         R6{}, R7{}, R8{}, R9{},
         RF{}, RI{}, RS{}, RZ{},
         RE{}, RN{}, RV{}, RM{},
-        ALU0{}, ALU1{},
+        ALU0{},
+        _dst(nullptr), _src(nullptr),
         _ram(nullptr), _reel(nullptr) {
     }
 
@@ -65,8 +66,6 @@ namespace spider {
      * Immediate Addressing Mode
      */
     void CPU::imm() {
-        u8 size = 2 << _size;
-        _next = &ALU0;
     }
 
     /**
@@ -80,7 +79,7 @@ namespace spider {
      * Register Addressing Mode
      */
     void CPU::reg() {
-        sizeof(CPU);
+        
     }
 
     /**