access to memblock.read_ports now and error

Author: timsherwood

pyrtl/memory.py

@@ -166,6 +166,10 @@ def __init__(self, bitwidth, addrwidth, name='', max_read_ports=2, max_write_por
         self.num_write_ports = 0
         self.writeport_nets = []
 
+    @property
+    def read_ports(self):
+        raise PyrtlError('read_ports now called num_read_ports for clarity')
+
     def __getitem__(self, item):
         """ Builds circuitry to retrieve an item from the memory """
         item = as_wires(item, bitwidth=self.addrwidth, truncating=False)