finished init routine

and better implemented sys calls

lib/register/instructions/load_constant.rb

@@ -1,14 +1,14 @@
 module Register
   # load a constant into a register
   #
-  # first argument is the register the constant is loaded into
-  # second is the actual constant
+  # first is the actual constant, either immediate register or object reference (from the space)
+  # second argument is the register the constant is loaded into
 
   class LoadConstant < Instruction
-    def initialize value , constant
-      @value = value
+    def initialize constant , register
+      @register = register
       @constant = constant
     end
-    attr_accessor :value , :constant
+    attr_accessor :register , :constant
   end
 end