split some tests, create more and especially big move

test/arm/test_add.rb

@@ -0,0 +1,30 @@
+require_relative 'arm-helper'
+
+class TestAdd < MiniTest::Test
+  include ArmHelper
+
+  def test_adc
+    code = @machine.adc	 :r1,  :r3, :r5
+    assert_code code , :adc , [0x05,0x10,0xa3,0xe0] #e0 a3 10 05
+  end
+  def test_add
+    code = @machine.add	 :r1 , :r1, :r3
+    assert_code code , :add , [0x03,0x10,0x81,0xe0] #e0 81 10 03
+  end
+  def test_add_const
+    code = @machine.add	 :r1 , :r1, 0x22
+    assert_code code , :add , [0x22,0x10,0x81,0xe2] #e2 81 10 22
+  end
+  def test_add_const_shift_lst
+    code = @machine.add( :r1 , :r1 , 0x22 ,  shift_lsr: 8)
+    assert_code code , :add , [0x22,0x14,0x81,0xe2] #e2 81 14 23
+  end
+  def test_add_lst
+    code = @machine.add( :r1 , :r2 , :r3 ,  shift_lsr: 8)
+    assert_code code , :add , [0x23,0x14,0x82,0xe0] #e0 82 14 23
+  end
+  def test_big_add
+    code = @machine.add	 :r1 , :r1, 0x220
+    assert_code code , :add , [0x20,0x12,0x81,0xe2] #e2 81 12 20
+  end
+end