rename risc_value to register_value

almost to register, but it still carries that value

test/risc/test_builder.rb

@@ -17,7 +17,7 @@ module Risc
     end
     def test_alloc_space
       reg = @builder.space
-      assert_equal RiscValue , reg.class
+      assert_equal RegisterValue , reg.class
       assert_equal :Space , reg.type
     end
     def test_next_message
@@ -31,36 +31,36 @@ module Risc
       assert_equal :Message , reg.type
     end
     def test_returns_built
-      r1 = RiscValue.new(:r1 , :Space)
+      r1 = RegisterValue.new(:r1 , :Space)
       built = @builder.build{ space << r1 }
       assert_equal Transfer , built.class
     end
     def test_returns_two
-      r1 = RiscValue.new(:r1 , :Space)
+      r1 = RegisterValue.new(:r1 , :Space)
       built = @builder.build{ space << r1 ; space << r1}
       assert_equal Transfer , built.next.class
     end
     def test_returns_slot
-      r2 = RiscValue.new(:r2 , :Message)
+      r2 = RegisterValue.new(:r2 , :Message)
       r2.builder = @builder
       built = @builder.build{ r2 << space[:first_message] }
       assert_equal SlotToReg , built.class
       assert_equal :r1 , built.array.symbol
     end
     def test_returns_slot_reverse
-      r2 = RiscValue.new(:r2 , :Message)
+      r2 = RegisterValue.new(:r2 , :Message)
       r2.builder = @builder
       built = @builder.build{ r2 << space[:first_message] }
       assert_equal SlotToReg , built.class
       assert_equal :r1 , built.array.symbol
     end
     def test_reuses_names
-      r1 = RiscValue.new(:r1 , :Space)
+      r1 = RegisterValue.new(:r1 , :Space)
       built = @builder.build{ space << r1 ; space << r1}
       assert_equal built.to.symbol , built.next.to.symbol
     end
     def test_uses_message_as_message
-      r1 = RiscValue.new(:r1 , :Space)
+      r1 = RegisterValue.new(:r1 , :Space)
       built = @builder.build{ message[:receiver] << r1}
       assert_equal RegToSlot , built.class
       assert_equal :r0 , built.array.symbol
@@ -105,7 +105,7 @@ module Risc
       @builder = Risc::MethodCompiler.new( @init ).builder(true, @init)
     end
     def test_inserts_built
-      r1 = RiscValue.new(:r1 , :Space)
+      r1 = RegisterValue.new(:r1 , :Space)
       @builder.build{ space << r1 }
       assert_equal Transfer , @init.risc_instructions.next.class , @init.risc_instructions.next
     end

test/risc/test_risc_value.rb

@@ -11,8 +11,8 @@ module Risc
 
     def setup
       Risc.machine.boot
-      @r0 = RiscValue.new(:r0 , :Message)
-      @r1 = RiscValue.new(:r1 , :Space)
+      @r0 = RegisterValue.new(:r0 , :Message)
+      @r1 = RegisterValue.new(:r1 , :Space)
     end
     def test_r0
       assert_equal :r0 , @r0.symbol