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hdl.mem: use read_port(domain="comb") for asynchronous read ports.

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This avoids the absurdity of the combination of arguments that is
read_port(domain="sync", synchronous=True).

Fixes #116.
This commit is contained in:
whitequark 2019-07-01 19:56:49 +00:00
parent f75a0163f9
commit 94e8f479a5
5 changed files with 20 additions and 23 deletions
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2
nmigen/lib/fifo.py
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@ -151,7 +151,7 @@ class SyncFIFO(Elaboratable, FIFOInterface):
storage = Memory(self.width, self.depth)
wrport = m.submodules.wrport = storage.write_port()
rdport = m.submodules.rdport = storage.read_port(
synchronous=not self.fwft, transparent=self.fwft)
domain="comb" if self.fwft else "sync", transparent=self.fwft)
produce = Signal(max=self.depth)
consume = Signal(max=self.depth)