fix label loading in arm

was still loading the integer address
instead of the return address's address
Hello World working

lib/arm/instructions/logic_instruction.rb

@@ -91,6 +91,7 @@ module Arm
       if( @left.is_a?(Parfait::Object) or @left.is_a?(Risc::Label) or
         (@left.is_a?(Symbol) and !Risc::RiscValue.look_like_reg(@left)))
         left = @left
+        left = left.address if left.is_a?(Risc::Label)
         # do pc relative addressing with the difference to the instuction
         # 8 is for the funny pipeline adjustment (ie pointing to fetch and not execute)
         right = Risc::Position.get(left) - 8

lib/risc/position/position.rb

@@ -147,7 +147,7 @@ module Risc
     end
 
     def self.set?(object)
-      self.positions.has_key?(object)
+      self.positions[object]
     end
 
     # get a position from the cache (object -> position)

test/arm/test_logic.rb

@@ -90,7 +90,9 @@ module Arm
     end
 
     def label( pos = 0x22 + 8)
-      label  = Risc::Label.new("some" , "Label" , FakeAddress.new(pos))
+      addr = FakeAddress.new(pos)
+      Risc::Position.new(addr).set(pos)
+      label  = Risc::Label.new("some" , "Label" , addr)
       Risc::Position.create(label).set(pos)
       #Risc::Position.set(l , pos , @binary)
       label

test/elf/test_hello.rb

@@ -12,7 +12,7 @@ class HelloTest < MiniTest::Test
   end
 
   def test_string_put
-    @input = "return 'Hello'.putstring"
+    @input = "return 'Hello World!\n'.putstring"
     check
   end
 end