folded salama-arm in

lib/arm/attributed.rb

@@ -0,0 +1,38 @@
+module Arm
+  # The arm machine has following instruction classes
+  # - Memory
+  # - Stack
+  # - Logic
+  # - Math
+  # - Control/Compare
+  # - Move
+  # - Call  class Instruction
+  module Attributed
+
+    attr_reader :attributes
+    def opcode
+      @attributes[:opcode]
+    end
+    def set_opcode code
+      @attributes[:opcode] = code
+    end
+
+    # for the shift handling that makes the arm so unique
+    def shift val , by
+      raise "Not integer #{val}:#{val.class} #{inspect}" unless val.is_a? Fixnum
+      val << by
+    end
+
+    def byte_length
+      4
+    end
+  end
+end
+
+require_relative "constants"
+require_relative "instructions/call_instruction"
+require_relative "instructions/compare_instruction"
+require_relative "instructions/logic_instruction"
+require_relative "instructions/memory_instruction"
+require_relative "instructions/move_instruction"
+require_relative "instructions/stack_instruction"