/*
   &unsupportedByte,      //--- 00
   &bytePushInstance,     //--- 01
   &bytePushArgument,     //--- 02
   &bytePushTemporary,    //--- 03
   &bytePushLiteral,      //--- 04
   &bytePushConstant,     //--- 05
   &byteAssignInstance,   //--- 06
   &byteAssignTemporary,  //--- 07
   &byteMarkArguments,    //--- 08
   &byteSendMessage,      //--- 09
   &byteSendUnary,        //--- 10
   &byteSendBinary,       //--- 11
   &unsupportedByte,      //--- 12
   &byteDoPrimitive,      //--- 13
   &unsupportedByte,      //--- 14
   &byteDoSpecial         //--- 15


* Directly access by byte codes
> the receiver and arguments of the invoking message 
> the values of the receiver's instance variables 
> the values of any temporary variables required by the method 
> seven special constants (true, false, nil, -1, 0, 1, and 2) 
> 32 special message selectors 

* contained in literal frame.
> shared variables (global, class, and pool) 
> most literal constants (numbers, characters, strings, arrays, and symbols) 
> most message selectors (those that are not special) 

PushInstance
PushArgument -> normal arguments plus self/super(0)
PushTemporary
PushConstant -> nil, true, false, etc....
PushLiteral -> global variables, literal constants... -> access literal frame

AssignInstance
AssignTemporary
*/