Start to convert integer operations

All apart from operators, which are its own thing

test/risc/builtin/test_integer.rb

@@ -0,0 +1,78 @@
+require_relative "helper"
+
+module Risc
+  module Builtin
+    class TestIntDiv4 < BootTest
+      def setup
+        super
+        @method = get_compiler(:div4)
+      end
+      def test_has_get_internal
+        assert_equal Mom::MethodCompiler , @method.class
+      end
+      def test_mom_length
+        assert_equal 5 , @method.mom_instructions.length
+      end
+      def test_compile
+        assert_equal Risc::MethodCompiler , @method.to_risc.class
+      end
+      def test_risc_length
+        assert_equal 47 , @method.to_risc.risc_instructions.length
+      end
+    end
+    class TestIntDiv10 < BootTest
+      def setup
+        super
+        @method = get_compiler(:div10)
+      end
+      def test_has_get_internal
+        assert_equal Mom::MethodCompiler , @method.class
+      end
+      def test_mom_length
+        assert_equal 5 , @method.mom_instructions.length
+      end
+      def test_compile
+        assert_equal Risc::MethodCompiler , @method.to_risc.class
+      end
+      def test_risc_length
+        assert_equal 76 , @method.to_risc.risc_instructions.length
+      end
+    end
+    class TestIntComp1 < BootTest
+      def setup
+        super
+        @method = get_compiler(:<)
+      end
+      def test_has_get_internal
+        assert_equal Mom::MethodCompiler , @method.class
+      end
+      def test_mom_length
+        assert_equal 5 , @method.mom_instructions.length
+      end
+      def test_compile
+        assert_equal Risc::MethodCompiler , @method.to_risc.class
+      end
+      def test_risc_length
+        assert_equal 27 , @method.to_risc.risc_instructions.length
+      end
+    end
+    class TestIntComp2 < BootTest
+      def setup
+        super
+        @method = get_compiler(:>=)
+      end
+      def test_has_get_internal
+        assert_equal Mom::MethodCompiler , @method.class
+      end
+      def test_mom_length
+        assert_equal 5 , @method.mom_instructions.length
+      end
+      def test_compile
+        assert_equal Risc::MethodCompiler , @method.to_risc.class
+      end
+      def test_risc_length
+        assert_equal 27 , @method.to_risc.risc_instructions.length
+      end
+    end
+  end
+end

test/risc/test_builtin.rb

@@ -14,7 +14,7 @@ module Risc
       assert_equal Array, @functions.class
     end
     def test_boot_function_length
-      assert_equal 9, @functions.length
+      assert_equal 15, @functions.length
     end
     def test_boot_function_first
       assert_equal Mom::MethodCompiler, @functions.first.class