Fixed negate

6 years ago · 4e6abd161f
1 changed files with 5 additions and 1 deletions
--- a/register.py
+++ b/register.py
@ -27,8 +27,12 @@ class Register:
    def get(self):
        return self.value

+    def complement(self):
+        self.value = self.value ^ ((1 << self.n_bits) - 1)
+
    def negate(self):
-        self.value = ~self.value + 1
+        self.complement()
+        self.value += 1


 class Acumulator(Register):