reinserted arm for now, until dependecy is cleaned up. fixed tests

test/arm/test_memory.rb

@@ -0,0 +1,37 @@
+require_relative 'arm-helper'
+
+class TestMemory < MiniTest::Test
+  include ArmHelper
+
+  def test_ldr
+    code = @machine.ldr  :r0, :r0
+    assert_code code, :ldr ,  [0x00,0x00,0x90,0xe5] #e5 90 00 00
+  end
+  def test_ldr_const_offset
+    code = @machine.ldr  :r0, :r0 ,  4
+    assert_code code, :ldr ,  [0x04,0x00,0x90,0xe5] #e5 90 00 04
+  end
+  def test_ldr_reg_offset
+    code = @machine.ldr  :r0, :r1 , :r2
+    assert_code code, :ldr ,  [0x02,0x00,0x91,0xe6] #e6 91 00 02
+  end  
+  def test_ldrb
+    code = @machine.ldrb  :r0, :r0
+    assert_code code, :ldrb ,  [0x00,0x00,0xd0,0xe5] #e5 d0 00 00
+  end
+
+  def test_str
+    code = @machine.str  :r0, :r1
+    assert_code code, :str ,  [0x00,0x00,0x81,0xe5] #e5 81 00 00
+  end
+
+  def test_strb_add
+    code = @machine.strb  :r0, :r1 , 1 , flaggie: 1
+    assert_code code, :strb ,  [0x01,0x00,0xc1,0xe4] #e4 c1 00 01
+  end
+
+  def test_strb
+    code = @machine.strb  :r0, :r0
+    assert_code code, :strb ,  [0x00,0x00,0xc0,0xe5] #e5 c0 00 00
+  end
+end