From db31ff7021fd57e0360cb5dfc0c55397c3e45a60 Mon Sep 17 00:00:00 2001
From: Torsten Ruger <torsten@villataika.fi>
Date: Sun, 9 Aug 2015 00:52:27 +0300
Subject: [PATCH] implement adding in interpreter

---
 lib/interpreter/interpreter.rb | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/interpreter/interpreter.rb b/lib/interpreter/interpreter.rb
index 950e4598..5575d7b2 100644
--- a/lib/interpreter/interpreter.rb
+++ b/lib/interpreter/interpreter.rb
@@ -31,7 +31,7 @@ module Interpreter
       @stdout = ""
       @registers = {}
       @clock = 0
-      (0...16).each do |r|
+      (0...12).each do |r|
         set_register "r#{r}".to_sym , "r#{r}:unknown"
       end
     end
@@ -103,7 +103,8 @@ module Interpreter
 
     def execute_LoadConstant
       to = @instruction.register
-      value = @instruction.constant.object_id
+      value = @instruction.constant
+      value = value.object_id unless value.is_a?(Fixnum)
       set_register( to , value )
       true
     end
@@ -174,8 +175,12 @@ module Interpreter
     def execute_OperatorInstruction
       case @instruction.operator
       when :add
-        puts @instruction
-        
+        left = get_register(@instruction.left)
+        rr = @instruction.right
+        right = get_register(rr)
+        result = left + right
+        puts "#{@instruction} == #{result}"
+        right = set_register(rr , result)
       else
         raise "unimplemented operator #{@instruction}"
       end