seperate position create and register

many test fixes

test/arm/helper.rb

@@ -18,7 +18,7 @@ module Arm
       @machine = Arm::ArmMachine
       @binary = FakeBin.new
       Risc::Position.clear_positions
-      Risc::Position.new(@binary , 0)
+      Risc::Position.create(@binary).set(0)
     end
 
     # code is what the generator spits out, at least one instruction worth (.first)

test/arm/test_call.rb

@@ -18,9 +18,9 @@ module Arm
     def test_method_call
       Risc.machine.boot
       bin = Parfait::BinaryCode.new(1)
-      Risc::Position.new(bin , 0x20)
+      Risc::Position.new(bin).set(0x20)
       code = @machine.call(	bin ,{} )#this jumps to the next instruction
-      Risc::Position.new(code, 0)
+      Risc::Position.new(code).set(0)
       assert_code code , :call, [0x08,0x0,0x0,0xeb]
     end
     def test_swi

test/arm/test_logic.rb

@@ -82,7 +82,7 @@ module Arm
     end
     def test_too_big_add
       code = @machine.add	 :r1 , :r1, 0x222
-      Risc::Position.new(code,0)
+      Risc::Position.create(code).set(0)
       # add 0x02 (first instruction) and then 0x220 shifted
       assert_code code , :add , [0x02,0x1c,0x91,0xe2] #e2 91 1e 02
       # added extra instruction to add "extra"
@@ -91,14 +91,14 @@ module Arm
 
     def label( pos = 0x22 + 8)
       label  = Risc::Label.new("some" , "Label" , FakeAddress.new(pos))
-      Risc::Position.new(label , pos)
+      Risc::Position.create(label).set(pos)
       #Risc::Position.set(l , pos , @binary)
       label
     end
 
     def test_move_object
       code = @machine.add( :r1 , label)
-      Risc::Position.new(code,0)
+      Risc::Position.create(code).set(0)
       assert_code code , :add , [0x22,0x10,0x9f,0xe2] #e2 9f 10 22
     end
 

test/arm/test_move.rb

@@ -26,7 +26,7 @@ module Arm
     end
     def test_mov_big
       code = @machine.mov  :r0,  0x222  # is not 8 bit and can't be rotated by the arm system in one instruction
-      Risc::Position.new(code,0)
+      Risc::Position.new(code).set(0)
       # mov 512(0x200) = e3 a0 0c 02    add 34(0x22) = e2 90 00 22
       assert_code code , :mov , [ 0x02,0x0c,0xb0,0xe3]
       assert_code code.next , :add , [ 0x22,0x00,0x90,0xe2]