diff --git a/dcpu_16.py b/dcpu_16.py
index c22727c..a695593 100644
--- a/dcpu_16.py
+++ b/dcpu_16.py
@@ -299,6 +299,64 @@ class CPU(object):
         """clear memory"""
         c.m = [0 for _ in xrange(0, 2**w)]
 
+    @property
+    def a(c):
+        return c.r[0]
+    @a.setter
+    def a(c, val):
+        c.r[0] = val
+
+    @property
+    def b(c):
+        return c.r[1]
+    @b.setter
+    def b(c, val):
+        c.r[1] = val
+
+    @property
+    def c(c):
+        return c.r[2]
+    @c.setter
+    def c(c, val):
+        c.r[2] = val
+
+    @property
+    def x(c):
+        return c.r[3]
+    @x.setter
+    def x(c, val):
+        c.r[3] = val
+
+    @property
+    def y(c):
+        return c.r[4]
+    @y.setter
+    def y(c, val):
+        c.r[4] = val
+
+    @property
+    def z(c):
+        return c.r[5]
+    @z.setter
+    def z(c, val):
+        c.r[5] = val
+
+    @property
+    def i(c):
+        return c.r[6]
+    @i.setter
+    def i(c, val):
+        c.r[6] = val
+
+    @property
+    def j(c):
+        return c.r[7]
+    @j.setter
+    def j(c, val):
+        c.r[7] = val
+
+
+
     def _pointer(c, code):
         """get pointer to value code"""
         try: