core/Trigger: also apply mask to trigger value (avoid having doing it in software).

litescope/core.py

@@ -80,7 +80,7 @@ class _Trigger(Module, AutoCSR):
         self.submodules += flush
         self.comb += [
             flush.wait.eq(~(~enable & enable_d)), # flush when disabling
-            hit.eq((sink.data & mem.source.mask) == mem.source.value),
+            hit.eq((sink.data & mem.source.mask) == (mem.source.value & mem.source.mask)),
             mem.source.ready.eq((enable & hit) | ~flush.done),
         ]
 
@@ -92,7 +92,6 @@ class _Trigger(Module, AutoCSR):
             source.hit.eq(done)
         ]
 
-
 class _SubSampler(Module, AutoCSR):
     def __init__(self, data_width):
         self.sink   = sink   = stream.Endpoint(core_layout(data_width))