back.pysim: fix an off-by-1 in add_sync_process().

2018-12-18 04:43:04 +00:00 · 2018-12-18 04:43:04 +00:00 · 65702719e8
parent 34b81d0b87
commit 65702719e8
1 changed files with 3 additions and 2 deletions
--- a/nmigen/back/pysim.py
+++ b/nmigen/back/pysim.py
@ -342,10 +342,11 @@ class Simulator:
            try:
                result = None
                while True:
+                    self._process_loc[sync_process] = self._name_process(process)
+                    result = process.send(result)
                    if result is None:
                        result = Tick(domain)
-                    self._process_loc[sync_process] = self._name_process(process)
-                    result = process.send((yield result))
+                    result = yield result
            except StopIteration:
                pass
        sync_process = sync_process()