lib.fifo: in FIFOInterface.read(), check readable on the right cycle.

2019-01-22 07:03:46 +00:00 · 2019-01-22 07:03:46 +00:00 · 1782b841b2
parent eeb023a7f5
commit 1782b841b2
1 changed files with 1 additions and 1 deletions
--- a/nmigen/lib/fifo.py
+++ b/nmigen/lib/fifo.py
@ -72,9 +72,9 @@ class FIFOInterface:

    def read(self):
        """Read method for simulation."""
-        assert (yield self.readable)
        yield self.re.eq(1)
        yield
+        assert (yield self.readable)
        value = (yield self.dout)
        yield self.re.eq(0)
        return value